().value'\n def _get_presult_success_isset(self, value_if_set=None):\n if self.flag_compatibility:\n if value_if_set is None:\n return 'result.__isset.success'\n else:\n return 'result.__isset.success = {0}'.format(value_if_set)\n else:\n if value_if_set is None:\n return 'result.getIsSet(0)'\n else:\n return 'result.setIsSet(0, {0})'.format(value_if_set)\n def _get_presult_exception(self, ex_idx, e):\n if self.flag_compatibility:\n return 'result.{0}'.format(e.name)\n else:\n return 'result.get<{0}>().ref()'.format(ex_idx)\n def _get_presult_exception_isset(self, ex_idx, e, value_if_set=None):\n if self.flag_compatibility:\n if value_if_set is None:\n return 'result.__isset.{0}'.format(e.name)\n else:\n return 'result.__isset.{0} = {1}'.format(e.name, value_if_set)\n else:\n if value_if_set is None:\n return 'result.getIsSet({0})'.format(ex_idx)\n else:\n return 'result.setIsSet({0}, {1})'.format(ex_idx, value_if_set)\n def _get_pargs_field(self, idx, f, pointer=True):\n if self.flag_compatibility:\n return '{0}args.{1}'.format('' if pointer else '*', f.name)\n else:\n return 'args.get<{0}>().{1}'.format(idx,\n 'value' if pointer else 'ref()')\n\n def _generate_enum_constant_list(self, enum, constants, quote_names,\n include_values):\n if include_values:\n name_format = '{0.name}'\n value_format = ' = {0.value}'\n else:\n value_format = ''\n name_format = quote_names and '\"{0.name}\"' or enum + \"::{0.name}\"\n return ',\\n'.join((name_format + value_format).format(const) \\\n for const in constants)\n\n def _generate_enum(self, tenum):\n '''\n Generates code for an enumerated type. In C++, this is essentially the\n same as the thrift defn itself, using the enum keyword in C++.\n\n @param tenum The enumeration\n '''\n constants = tenum.constants\n # get the scope inside the namespace definitions\n s = self._types_scope\n if self.flag_compatibility:\n s('typedef {0} {1};'.format(self._namespace_prefix(\n self._program.get_namespace('cpp')) + tenum.name,\n tenum.name))\n return\n primitive = s.defn('enum class {0.name}'.format(tenum), in_header=True)\n # what follows after the closing brace\n primitive.epilogue = ';\\n\\n'\n with primitive:\n out(self._generate_enum_constant_list(tenum.name, constants,\n quote_names=False, include_values=True))\n # Generate a character array of enum values for debugging purposes.\n with s.impl('{0} _k{0}Values[] ='.format(tenum.name)):\n out(self._generate_enum_constant_list(tenum.name, constants,\n quote_names=False, include_values=False))\n with s.impl('const char* _k{0}Names[] ='.format(tenum.name)):\n out(self._generate_enum_constant_list(tenum.name, constants,\n quote_names=True, include_values=False))\n s.extern('const std::map<{0}, const char*> _{0}_VALUES_TO_NAMES'.format(\n tenum.name), value=('(apache::thrift::TEnumIterator<{0}>({1}, '\n '_k{0}Values, _k{0}Names), apache::thrift::TEnumIterator<{0}>('\n '-1, nullptr, nullptr));\\n').format(tenum.name, len(constants)))\n s.extern('const std::map<const char*, {0}, apache::thrift::ltstr> '\n '_{0}_NAMES_TO_VALUES'.format(tenum.name),\n value=('(apache::thrift::TEnumInverseIterator<{0}>({1}, '\n '_k{0}Values, _k{0}Names), '\n 'apache::thrift::TEnumInverseIterator<{0}>'\n '(-1, nullptr, nullptr));\\n').format(\n tenum.name, len(constants)))\n s()\n s.impl('\\n')\n\n # specialize TEnumTraitsBase\n s.release()\n\n ns = self._namespace_prefix(self._get_namespace())\n fullName = ns + tenum.name\n minName = None\n maxName = None\n\n if len(constants) > 0:\n sortedConstants = sorted(constants, key=lambda c: c.value)\n minName = sortedConstants[0].name\n maxName = sortedConstants[-1].name\n\n self._generate_hash_equal_to(tenum)\n\n with self._types_global.namespace('apache.thrift').scope:\n\n with out().defn('template <> const char* TEnumTraitsBase<{fullName}>::'\n 'findName({fullName} value)'.format(**locals()),\n name='findName'):\n out('return findName({ns}_{tenum.name}_VALUES_TO_NAMES, '\n 'value);'.format(**locals()))\n with out().defn('template <> bool TEnumTraitsBase<{fullName}>::'\n 'findValue(const char* name, {fullName}* outValue)'.\n format(**locals()), name='findName'):\n out('return findValue({ns}_{tenum.name}_NAMES_TO_VALUES, '\n 'name, outValue);'.format(**locals()))\n if minName is not None and maxName is not None:\n with out().defn('template <> constexpr {fullName} '\n 'TEnumTraits<{fullName}>::min()'\n .format(**locals()), name='min', in_header=True):\n out('return {fullName}::{minName};'.format(**locals()))\n with out().defn('template <> constexpr {fullName} '\n 'TEnumTraits<{fullName}>::max()'\n .format(**locals()), name='max', in_header=True):\n out('return {fullName}::{maxName};'.format(**locals()))\n s = self._types_scope = \\\n s.namespace(self._get_namespace()).scope\n s.acquire()\n\n def _generate_typedef(self, ttypedef):\n the_type = self._type_name(ttypedef.type, in_typedef=True,\n scope=self._types_scope)\n txt = 'typedef {0} {1};\\n\\n'.format(the_type, ttypedef.symbolic)\n # write it to the types scope\n self._types_scope(txt)\n\n def _declare_field(self, field, pointer=False, constant=False,\n reference=False, unique=False, optional_wrapped=False):\n # I removed the 'init' argument, as all inits happen in default\n # constructor\n result = ''\n if constant:\n result += 'const '\n result += self._type_name(field.type)\n if pointer:\n result += '*'\n if reference:\n result += '&'\n if unique:\n result = \"std::unique_ptr<\" + result + \">\"\n if optional_wrapped:\n result = \"folly::Optional<\" + result + \">\"\n result += ' ' + field.name\n if not reference:\n result += ';'\n return result\n\n def _type_to_enum(self, ttype):\n 'Converts the parse type to a C++ enum string for a given type.'\n t = self._get_true_type(ttype)\n suffix = None\n if t.is_base_type:\n base = t.as_base_type.base\n if base == t_base.void:\n raise ValueError('NO T_VOID CONSTRUCT')\n switch = {\n t_base.string: 'T_STRING',\n t_base.bool: 'T_BOOL',\n t_base.byte: 'T_BYTE',\n t_base.i16: 'T_I16',\n t_base.i32: 'T_I32',\n t_base.i64: 'T_I64',\n t_base.double: 'T_DOUBLE',\n t_base.float: 'T_FLOAT',\n }\n suffix = switch[base]\n elif t.is_enum:\n suffix = 'T_I32'\n elif t.is_struct or t.is_xception:\n suffix = 'T_STRUCT'\n elif t.is_map:\n suffix = 'T_MAP'\n elif t.is_set:\n suffix = 'T_SET'\n elif t.is_list:\n suffix = 'T_LIST'\n if suffix is None:\n raise TypeError('INVALID TYPE IN type_to_enum: ' + t.name)\n return 'apache::thrift::protocol::' + suffix\n\n # =====================================================================\n # SERVICE INTERFACE\n # =====================================================================\n\n def _generate_service(self, service):\n # open files and instantiate outputs\n context = self._make_context(service.name, True, True, True, True)\n self._out_tcc = context.tcc\n self._additional_outputs = context.additional_outputs\n self._custom_protocol_h = context.custom_protocol_h\n s = self._service_global = get_global_scope(CppPrimitiveFactory,\n context)\n # Enter the scope (prints guard)\n s.acquire()\n s('#include <thrift/lib/cpp2/ServiceIncludes.h>')\n if not self.flag_bootstrap:\n s('#include <thrift/lib/cpp/TApplicationException.h>')\n s('#include <thrift/lib/cpp2/async/FutureRequest.h>')\n s('#include <folly/futures/Future.h>')\n s('#include \"{0}\"'.format(self._with_include_prefix(self._program,\n self._program.name\n + '_types.h')))\n print >>self._custom_protocol_h, \\\n '#include \"{0}\"'.format(self._with_include_prefix(\n self._program,\n self._program.name + '_types_custom_protocol.h'))\n for _, b, _ in self.protocols:\n print >>context.additional_outputs[-1], \\\n '#include <thrift/lib/cpp2/protocol/{0}.h>'.format(b)\n print >>context.impl, '#include <thrift/lib/cpp2/protocol/Protocol.h>'\n for _, b, _ in self.protocols:\n print >>context.impl, \\\n '#include <thrift/lib/cpp2/protocol/{0}.h>'.format(b)\n s()\n if self.flag_compatibility:\n # Transform the cpp2 include prefix path into a cpp prefix path.\n s('#include \"{0}.h\"'\n .format(self._with_compatibility_include_prefix(self._program,\n service.name)))\n # Include other Thrift includes\n for inc in self._program.includes:\n s('#include \"{0}_types.h\"' \\\n .format(self._with_include_prefix(inc, inc.name)))\n print >>self._custom_protocol_h, \\\n '#include \"{0}_types_custom_protocol.h\"'.format(\n self._with_include_prefix(inc, inc.name))\n if self.flag_implicit_templates:\n print >>self._out_tcc, '#include \"{0}_types.tcc\"'.format(\n self._with_include_prefix(inc, inc.name))\n s()\n # Include custom headers\n for inc in self._program.cpp_includes:\n if inc.startswith('<'):\n s('#include {0}'.format(inc))\n else:\n s('#include \"{0}\"'.format(inc))\n\n if service.extends:\n s('#include \"{0}.h\"'.format(\n self._with_include_prefix(service.extends.program,\n service.extends.name)))\n print >>self._custom_protocol_h, \\\n '#include \"{0}_custom_protocol.h\"'.format(\n self._with_include_prefix(service.extends.program,\n service.extends.name))\n s()\n s('namespace folly { ')\n s(' class IOBuf;')\n s(' class IOBufQueue;')\n s('}')\n s('namespace apache { namespace thrift {')\n s(' class Cpp2RequestContext;')\n s(' class BinaryProtocolReader;')\n s(' class CompactProtocolReader;')\n s(' namespace transport { class THeader; }')\n s('}}')\n s()\n\n # Open namespace\n s = s.namespace(self._get_namespace()).scope\n s.acquire()\n\n self._generate_service_helpers(service, s)\n self._generate_service_server_interface_async(service, s)\n s('class ' + service.name + 'AsyncProcessor;')\n self._generate_service_server_interface(service, s)\n self._generate_service_server_null(service, s)\n self._generate_processor(service, s)\n self._generate_service_client(service, s)\n\n # make sure that the main types namespace is closed\n s.release()\n\n self._generate_service_helpers_serializers(service, s)\n\n if self.flag_implicit_templates:\n # Include the types.tcc file from the types header file\n s = self._service_global\n s()\n s('#include \"{0}.tcc\"'.format(\n self._with_include_prefix(self._program, service.name)))\n self._service_global.release()\n\n def _generate_service_helpers_serializers(self, service, s):\n s = s.namespace('apache.thrift').scope\n s.acquire()\n for function in service.functions:\n arglist = function.arglist\n if self.flag_compatibility:\n if self.flag_stack_arguments:\n arglist.name = \"{0}_{1}_args\".format(service.name, function.name)\n self._generate_cpp2ops(True, arglist, s)\n arglist.name = \"{0}_{1}_pargs\".format(service.name, function.name)\n self._generate_cpp2ops(True, arglist, s)\n\n if not function.oneway:\n result = self._get_presult_object(service, function)\n self._generate_cpp2ops(True, result, s)\n s.release()\n\n def _get_presult_object(self, service, function):\n result = frontend.t_struct(\n self.program,\n \"{0}_{1}_presult\".format(service.name, function.name))\n success = frontend.t_field(function.returntype, \"success\", 0)\n if not function.returntype.is_void:\n result.append(success)\n xs = function.xceptions\n for field in xs.members:\n result.append(field)\n return result\n\n\n\n def _generate_service_helpers(self, service, s):\n for function in service.functions:\n arglist = function.arglist\n if self.flag_compatibility:\n name_orig = arglist.name\n if self.flag_stack_arguments:\n arglist.name = \"{0}_{1}_args\".format(service.name, function.name)\n self._generate_struct_complete(s, arglist,\n is_exception=False,\n pointers=False,\n read=True,\n write=True,\n swap=False,\n result=False,\n to_additional=True,\n simplejson=False)\n arglist.name = \"{0}_{1}_pargs\".format(service.name, function.name)\n self._generate_struct_complete(s, arglist,\n is_exception=False,\n pointers=True,\n read=True,\n write=True,\n swap=False,\n result=False,\n has_isset=False,\n to_additional=True,\n simplejson=False)\n arglist.name = name_orig\n else:\n def generate_pargs(suffix, pargs):\n flist = ['apache::thrift::FieldData<{0}, {1}, {2}{3}>'.format(\n arg.key,\n self._type_to_enum(arg.type),\n self._type_name(arg.type),\n suffix)\n for arg in arglist.members]\n pargs = \"{0}_{1}_{2}\".format(service.name, function.name, pargs)\n flist.insert(0, 'false')\n fstr = \", \".join(flist)\n print >>self._out_tcc, \\\n 'typedef apache::thrift::ThriftPresult<{0}> {1};'.format(\n fstr, pargs)\n if self.flag_stack_arguments:\n generate_pargs('', 'args')\n generate_pargs('*', 'pargs')\n\n\n if not function.oneway:\n if self.flag_compatibility:\n # WTF Using _get_presult_object causes a segmentation fault?\n result = frontend.t_struct(\n self.program,\n \"{0}_{1}_presult\".format(service.name, function.name))\n success = frontend.t_field(function.returntype, \"success\", 0)\n if not function.returntype.is_void:\n result.append(success)\n xs = function.xceptions\n for field in xs.members:\n result.append(field)\n self._generate_struct_complete(s, result,\n is_exception=False,\n pointers=True,\n read=True,\n write=True,\n swap=False,\n result=True,\n to_additional=True,\n simplejson=False)\n else:\n flist = ['apache::thrift::FieldData<{0}, '\n 'apache::thrift::protocol::T_STRUCT, {1}>'.format(\n field.key, self._type_name(field.type))\n for field in function.xceptions.members]\n if not function.returntype.is_void:\n type = self._type_name(function.returntype)\n ttype = self._type_to_enum(function.returntype)\n flist.insert(0, 'apache::thrift::FieldData<0, {0}, {1}*>'\n .format(ttype, type))\n\n presult = \"{0}_{1}_presult\".format(service.name, function.name)\n flist.insert(0, 'true')\n fstr = \", \".join(flist)\n\n print >>self._out_tcc, \\\n 'typedef apache::thrift::ThriftPresult<{0}> {1};'.format(\n fstr, presult)\n\n def _generate_service_client(self, service, s):\n classname = service.name + \"AsyncClient\"\n if not service.extends:\n class_signature = 'class ' + classname + \\\n ' : public apache::thrift::TClientBase'\n else:\n class_signature = 'class ' + classname + \\\n ' : public ' + self._type_name(service.extends) +\\\n 'AsyncClient'\n with s.cls(class_signature):\n out().label('public:')\n\n with out().defn('const char* {name}()',\n name='getServiceName',\n modifiers='virtual',\n output=self._additional_outputs[-1]):\n out(\"return \\\"{0}\\\";\".format(service.name))\n\n out(\"typedef std::unique_ptr<apache::thrift::RequestChannel\"\n \", apache::thrift::async::TDelayedDestruction::Destructor>\"\n \" channel_ptr;\")\n init = OrderedDict()\n if service.extends:\n init[self._type_name(service.extends) + 'AsyncClient'] = \\\n 'channel'\n if not service.extends:\n init[\"channel_\"] = \"channel\"\n # TODO: make it possible to create a connection context from a\n # thrift channel\n out().defn('~{name}()', name=classname,\n modifiers='virtual', in_header=True).scope.empty()\n\n with out().defn('{name}(std::shared_ptr<' +\n 'apache::thrift::RequestChannel> channel)',\n name=classname,\n init_dict=init,\n in_header=True):\n if not service.extends:\n out('connectionContext_.reset('\n 'new apache::thrift::Cpp2ConnContext);')\n\n if not service.extends:\n with out().defn('apache::thrift::RequestChannel* '\n ' {name}()', name='getChannel',\n in_header=True):\n out(\"return this->channel_.get();\")\n\n # Write out all the functions\n for function in service.functions:\n self._generate_client_async_function(service, function)\n self._generate_client_async_function(service, function,\n uses_rpc_options=True)\n\n if not self._is_stream_type(function.returntype):\n self._generate_client_sync_function(service, function)\n self._generate_client_sync_function(service, function,\n uses_rpc_options=True)\n self._generate_client_future_function(service, function)\n self._generate_client_future_function(service, function,\n uses_rpc_options=True)\n\n self._generate_client_std_function(function)\n\n if self._is_stream_type(function.returntype):\n self._generate_client_streaming_function(service, function)\n self._generate_client_streaming_function(service, function,\n uses_rpc_options=True)\n\n if not function.oneway:\n self._generate_recv_functions(function)\n\n self._generate_templated_client_function(service, function)\n\n if not function.oneway:\n self._generate_templated_recv_function(service, function)\n\n if not service.extends:\n out().label('protected:')\n out(\"std::unique_ptr<apache::thrift::Cpp2ConnContext> \"\n \"connectionContext_;\")\n out(\"std::shared_ptr<apache::thrift::RequestChannel> channel_;\")\n\n def _get_async_func_name(self, function):\n if self._is_processed_in_eb(function):\n return 'async_eb_' + function.name\n else:\n return 'async_tm_' + function.name\n\n def _generate_service_server_null(self, service, s):\n classname = service.name + \"SvNull\"\n if not service.extends:\n class_signature = \"class \" + classname + \" : public \" + \\\n service.name + \\\n \"SvIf\"\n else:\n class_signature = \"class \" + classname + \" : public \" + \\\n service.name + \"SvIf, virtual public \" + \\\n self._type_name(service.extends) + \"SvIf\"\n with s.cls(class_signature):\n out().label('public:')\n out().defn('~{0}()'.format(classname), name=classname,\n modifiers='virtual',\n in_header=True).scope.empty()\n for function in service.functions:\n if not self._is_processed_in_eb(function) and \\\n not self._is_stream_type(function.returntype):\n with out().defn(\n self._get_process_function_signature(service,\n function,\n True),\n name=function.name,\n modifiers='virtual'):\n if not function.oneway and \\\n not function.returntype.is_void and \\\n not self._is_complex_type(function.returntype):\n out('return ' +\n self._default_value(function.returntype) + ';')\n\n def _generate_service_server_interface_async(self, service, s):\n classname = service.name + \"SvAsyncIf\"\n class_signature = \"class \" + classname\n with s.cls(class_signature):\n out().label('public:')\n out().defn('~{0}()'.format(classname), name=classname,\n modifiers='virtual',\n in_header=True).scope.empty()\n for function in service.functions:\n out().defn(self._get_process_function_signature_async(service,\n function),\n name=self._get_async_func_name(function),\n modifiers='virtual',\n pure_virtual=True)\n\n # TODO: Remove this once everything has migrated to async_eb or\n # async_tm\n out().defn(self._get_process_function_signature_async(service,\n function),\n name=\"async_\" + function.name,\n modifiers='virtual',\n delete=True)\n if not self._is_stream_type(function.returntype):\n out().defn(self._get_process_function_signature_future(\n service, function),\n name=\"future_\" + function.name,\n modifiers='virtual',\n pure_virtual=True)\n\n def _get_function_priority(self, service, function):\n if function.annotations is not None and \\\n 'priority' in function.annotations.annotations:\n return function.annotations.annotations['priority']\n elif 'priority' in service.annotations:\n return service.annotations['priority']\n else:\n return 'NORMAL'\n\n def _generate_service_server_interface(self, service, s):\n classname = service.name + \"SvIf\"\n if not service.extends:\n class_signature = \"class \" + classname + \" : public \" + \\\n service.name + \\\n \"SvAsyncIf, public apache::thrift::ServerInterface\"\n else:\n class_signature = \"class \" + classname + \" : public \" + \\\n service.name + \"SvAsyncIf, virtual public \" + \\\n self._type_name(service.extends) + \"SvIf\"\n with s.cls(class_signature):\n out().label('public:')\n out('typedef ' + service.name + 'AsyncProcessor ProcessorType;')\n out().defn('~{0}()'.format(classname), name=classname,\n modifiers='virtual',\n in_header=True).scope.empty()\n with out().defn('std::unique_ptr<apache::thrift::AsyncProcessor>' +\n ' {name}()',\n name='getProcessor',\n modifiers='virtual'):\n out('return folly::make_unique<{klass}AsyncProcessor>(this);'\n .format(klass=service.name))\n for function in service.functions:\n if not self._is_stream_type(function.returntype):\n with out().defn(self._get_process_function_signature(service,\n function,\n True),\n name=function.name,\n modifiers='virtual'):\n out('throw apache::thrift::TApplicationException('\n '\"Function {0} is unimplemented\");'\n .format(function.name))\n self._generate_server_future_function(service, function)\n self._generate_server_async_function(service, function)\n\n def _generate_server_future_function(self, service, function):\n name = \"future_\" + function.name\n sig = self._get_process_function_signature_future(service, function)\n with out().defn(sig, name=name):\n rettype = self._type_name(function.returntype)\n if self.flag_stack_arguments:\n args = [m.name for m in function.arglist.members]\n if not self._is_complex_type(function.returntype):\n f = \"future\"\n c = \"[&] {{ return {n}({a}); }}\"\n else:\n f = \"future_returning\"\n args = [\"_return\"] + args\n c = \"[&]({r}& _return) {{ {n}({a}); }}\"\n else:\n mv = lambda n: \"std::move({n})\".format(n=n)\n args = [\n mv(m.name) if self._is_complex_type(m.type) else m.name\n for m in function.arglist.members\n ]\n if not self._is_complex_type(function.returntype):\n f = \"future\"\n c = \"[&] {{ return {n}({a}); }}\"\n else:\n f = \"future_returning_uptr\"\n args = [\"_return\"] + args\n c = \"[&]({r}& _return) {{ {n}({a}); }}\"\n s = \"return {ns}::{f}(\" + c + \");\"\n ns = \"apache::thrift::detail::si\"\n r = self._type_name(function.returntype)\n out(s.format(ns=ns, f=f, n=function.name, r=r, a=\", \".join(args)))\n\n def _generate_server_async_function_streaming(self, function):\n out('callback->exception(folly::make_exception_wrapper<'\n 'apache::thrift::TApplicationException>('\n '\"Function {0} is unimplemented\"));'.format(function.name))\n\n def _generate_server_async_function_future(self, function):\n if self._is_stream_type(function.returntype):\n return self._generate_server_async_function_streaming(function)\n stack_args = self.flag_stack_arguments\n is_complex_type = lambda t: self._is_complex_type(t) and not stack_args\n if self._is_processed_in_eb(function):\n for arg in function.arglist.members:\n if is_complex_type(arg.type):\n out(\"auto {n}_ = folly::makeMoveWrapper({n});\"\n .format(n=arg.name))\n f = \"async_eb_oneway\" if function.oneway else \"async_eb\"\n mv = lambda n: \"{n}_.move()\".format(n=n)\n c = \"[=]() mutable {{ return future_{n}({a}); }}\"\n else:\n f = \"async_tm_oneway\" if function.oneway else \"async_tm\"\n mv = lambda n: \"std::move({n})\".format(n=n)\n c = \"[&] {{ return future_{n}({a}); }}\"\n s = \"{ns}::{f}(this, std::move(callback), \" + c + \");\"\n args = [\n mv(m.name) if is_complex_type(m.type) else m.name\n for m in function.arglist.members\n ]\n ns = \"apache::thrift::detail::si\"\n out(s.format(ns=ns, f=f, n=function.name, a=\", \".join(args)))\n\n def _generate_server_async_function(self, service, function):\n with out().defn(self._get_process_function_signature_async(service,\n function),\n name=self._get_async_func_name(function),\n modifiers='virtual'):\n self._generate_server_async_function_future(function)\n\n def _get_process_function_signature_async(self, service, function):\n sig = 'void {name}('\n if function.oneway:\n sig += 'std::unique_ptr<apache::thrift::HandlerCallbackBase>' + \\\n ' callback'\n else:\n sig += 'std::unique_ptr<{0}> callback'.format(\n self._get_handler_callback_class(function))\n\n sig += self._argument_list(function.arglist, True, unique=True)\n sig += ')'\n return sig\n\n def _get_process_function_signature_future(self, service, function):\n rettype = self._type_name(function.returntype)\n if self._is_complex_type(function.returntype) and \\\n not self.flag_stack_arguments:\n rettype = 'std::unique_ptr<' + rettype + '>'\n sig = 'folly::Future<' + \\\n _lift_unit(rettype) + '> {name}('\n\n sig += self._argument_list(function.arglist, False, unique=True)\n sig += ')'\n return sig\n\n def _get_process_function_signature(self, service, function,\n no_param_names=False):\n addcomma = False\n if not function.oneway:\n if self._is_complex_type(function.returntype):\n sig = 'void {name}' + '({0}& {1}'.format(\n self._type_name(function.returntype),\n '/*_return*/' if no_param_names else '_return')\n addcomma = True\n else:\n sig = self._type_name(function.returntype)\n sig += ' {name}('\n else:\n sig = 'void {name}('\n sig += self._argument_list(function.arglist, addcomma, unique=True,\n no_param_names=no_param_names)\n sig += ')'\n return sig\n\n def _generate_app_ex(self, service, errorstr, functionname, seqid, is_in_eb,\n s, reqCtx, static=True, err_code=None,\n uex_str='folly::demangle(typeid(e)).toStdString()',\n uexw_str='e.what()'):\n with out('if (req)'):\n out('LOG(ERROR) << {0} << \" in function {1}\";'.format(\n errorstr, functionname))\n code = '' if err_code is None else \\\n 'apache::thrift::TApplicationException::' \\\n 'TApplicationExceptionType::' + err_code + ', '\n out('apache::thrift::TApplicationException x({0}{1});'.\n format(code, errorstr))\n if static:\n ctx = 'ctx'\n out('ctx->userException({}, {});'.format(uex_str, uexw_str))\n else:\n ctx = 'nullptr'\n out('folly::IOBufQueue queue = serializeException(\"{0}\", &prot, {1}, {2}, '\n 'x);'.format(functionname, seqid, ctx))\n out('queue.append(apache::thrift::transport::THeader::transform('\n 'queue.move(), '\n '{0}->getHeader()->getWriteTransforms(), '\n '{0}->getHeader()->getMinCompressBytes()));'.format(reqCtx))\n if is_in_eb:\n out('req->sendReply(queue.move());')\n else:\n out('auto queue_mw = '\n 'folly::makeMoveWrapper(std::move(queue));')\n out('auto req_mw = folly::makeMoveWrapper(std::move(req));')\n with out('eb->runInEventBaseThread([=]() mutable'):\n out('(*req_mw)->sendReply(queue_mw->move());')\n out(');')\n out('return;')\n with out('else'):\n out('LOG(ERROR) << {0} << \" in oneway function {1}\";'.format(\n errorstr, functionname))\n\n def _generate_process_function(self, service, function):\n if function.oneway:\n if self._is_processed_in_eb(function):\n # Old clients may not send the special\n # oneway id, so we need to send a fake\n # response to them while in event base.\n with out('if (!req->isOneway())'):\n out('req->sendReply(std::unique_ptr<folly::IOBuf>());')\n out(\"// make sure getConnectionContext is null\")\n out(\"// so async calls don't accidentally use it\")\n out('iface_->setConnectionContext(nullptr);')\n aprefix = 'uarg_'\n if self.flag_stack_arguments:\n out('{0}_{1}_args args;'.format(service.name, function.name))\n else:\n out('{0}_{1}_pargs args;'.format(service.name, function.name))\n for idx, field in enumerate(function.arglist.members):\n val = \"\"\n t = self._get_true_type(field.type)\n if t.is_base_type or t.is_enum:\n val = self._member_default_value(field)\n if self.flag_stack_arguments:\n pass\n elif self._is_complex_type(field.type):\n out('std::unique_ptr<{0}> {1}(new {0}({2}));'.format(\n self._type_name(field.type), aprefix + field.name, val))\n out('{0} = {1}.get();'.format(\n self._get_pargs_field(idx, field),\n aprefix + field.name))\n else:\n # use uniform initialization syntax to avoid most vexing parse\n out('{0} {1}{{{2}}};'.format(\n self._type_name(field.type), aprefix + field.name, val))\n out('{0} = &{1};'.format(\n self._get_pargs_field(idx, field),\n aprefix + field.name))\n out(('std::unique_ptr<apache::thrift::' +\n 'ContextStack> c(this->getContextStack' +\n '(this->getServiceName(), \"{0}.{1}\", ctx));'\n ).format(service.name, function.name))\n out(\"\")\n with out('try'):\n out('deserializeRequest(args, buf.get(), iprot.get(), c.get());')\n with out('catch (const std::exception& ex)'):\n if function.oneway:\n out('LOG(ERROR) << ex.what() << \" in function noResponse\";')\n out('return;')\n else:\n out('ProtocolOut_ prot;')\n self._generate_app_ex(service, 'ex.what()',\n function.name, \"iprot->getSeqId()\",\n False, out, 'ctx', False,\n 'PROTOCOL_ERROR')\n args = []\n for idx, member in enumerate(function.arglist.members):\n if self.flag_stack_arguments:\n args.append(self._get_pargs_field(idx, member))\n elif self._is_complex_type(member.type):\n args.append(\"std::move({0})\".format(\n aprefix + member.name))\n else:\n args.append(self._get_pargs_field(idx, member, False))\n if function.oneway:\n out('std::unique_ptr<apache::thrift::HandlerCallbackBase> callback(' +\n 'new apache::thrift::HandlerCallbackBase(std::move(req), ' +\n 'std::move(c), nullptr, nullptr, eb, tm, ctx));')\n else:\n cb_class = self._get_handler_callback_class(function)\n out(('auto callback = folly::make_unique<{0}>(std::move(req), ' +\n 'std::move(c), return_{1}<ProtocolIn_,' +\n 'ProtocolOut_>, throw_{1}<ProtocolIn_,' +\n ' ProtocolOut_>, throw_wrapped_{1}<ProtocolIn_,' +\n ' ProtocolOut_>, iprot->getSeqId(),' +\n ' eb, tm, ctx);').format(cb_class, function.name))\n # Oneway request won't be canceled if expired. see D1006482 for\n # further details. TODO: fix this\n if not self._is_processed_in_eb(function) and not function.oneway:\n with out('if (!callback->isRequestActive())'):\n out('callback.release()->deleteInThread();')\n out('return;')\n args.insert(0, 'std::move(callback)')\n out('ctx->setStartedProcessing();')\n out('iface_->{0}({1});'.format(self._get_async_func_name(function),\n \", \".join(args)))\n\n def _generate_processor(self, service, s):\n if not service.extends:\n class_signature = 'class {0} : '.format(\n service.name + 'AsyncProcessor') + \\\n 'public ::apache::thrift::GeneratedAsyncProcessor'\n else:\n class_signature = 'class {0} : '.format(\n service.name + 'AsyncProcessor') + \\\n 'public ' + self._type_name(service.extends) + \\\n 'AsyncProcessor'\n with s.cls(class_signature):\n out().label('public:')\n with out().defn('const char* {name}()', name='getServiceName',\n modifiers='virtual'):\n out(\"return \\\"{0}\\\";\".format(service.name))\n\n base_of = lambda n: \"{}AsyncProcessor\".format(self._type_name(n))\n base = base_of(service.extends) if service.extends else \"void\"\n out('using BaseAsyncProcessor = {};'.format(base))\n\n out().label('protected:')\n\n out('{0}SvIf* iface_;'.format(service.name))\n with out().defn('folly::Optional<std::string> {name}(' +\n 'folly::IOBuf* buf, ' +\n 'apache::thrift::protocol::PROTOCOL_TYPES protType)',\n name='getCacheKey',\n modifiers='virtual'):\n out('return apache::thrift::detail::ap::get_cache_key(' +\n 'buf, protType, cacheKeyMap_);')\n\n out().label('public:')\n\n with out().defn('void {name}(std::unique_ptr<' +\n 'apache::thrift::ResponseChannel::Request> req, ' +\n 'std::unique_ptr<folly::IOBuf> buf, ' +\n 'apache::thrift::protocol::PROTOCOL_TYPES protType, ' +\n 'apache::thrift::Cpp2RequestContext* context, ' +\n 'apache::thrift::async::TEventBase* eb, ' +\n 'apache::thrift::concurrency::ThreadManager* tm)',\n name='process',\n modifiers='virtual'):\n out('apache::thrift::detail::ap::process(' +\n 'this, std::move(req), std::move(buf), protType, ' +\n 'context, eb, tm);')\n\n out().label('protected:')\n\n with out().defn('bool {name}(const folly::IOBuf* buf, ' +\n 'const apache::thrift::transport::THeader* header)',\n name='isOnewayMethod',\n modifiers='virtual'):\n out('return apache::thrift::detail::ap::is_oneway_method(' +\n 'buf, header, onewayMethods_);')\n\n out().label('private:')\n oneways = out().defn('std::unordered_set<std::string> {name}',\n name='onewayMethods_',\n modifiers='static')\n oneways.epilogue = ';\\n'\n with oneways:\n out(',\\n'.join('\"' + function.name + '\"'\n for function in service.functions if function.oneway))\n cache_map_type = 'std::unordered_map<std::string, int16_t>'\n cache_map = out().defn(cache_map_type + ' {name}',\n name='cacheKeyMap_',\n modifiers='static')\n cache_map.epilogue = ';'\n\n cache_member_map = {}\n for function in service.functions:\n cache_key = self._get_cache_key(function)\n if cache_key is not None:\n if not cache_key.type.is_string:\n raise CompilerError('Cache annotation is only \\\n allowed on string types')\n cache_member_map[function.name] = cache_key.key\n with cache_map:\n out(',\\n'.join(\"{{\\\"{}\\\", {}}}\".format(function, cache_key)\n for function, cache_key in\n cache_member_map.iteritems()))\n prot = 0\n for shortprot, protname, prottype in self.protocols:\n if shortprot == 'simple_json':\n continue\n out().label('public:')\n out((\n 'using {proto}ProcessFunc = ' +\n 'ProcessFunc<{klass}AsyncProcessor, ' +\n 'apache::thrift::{proto}Reader>;')\n .format(proto=protname, klass=service.name))\n out('using {proto}ProcessMap = ProcessMap<{proto}ProcessFunc>;'\n .format(proto=protname))\n map_type = '{klass}AsyncProcessor::{proto}ProcessMap' \\\n .format(proto=protname, klass=service.name)\n map_name = '{0}ProcessMap_'.format(shortprot)\n with out().defn('const ' + map_type + '& {name}()',\n name='get{proto}ProcessMap'\n .format(proto=protname),\n modifiers='static'):\n out('return {proto}ProcessMap_;'.format(proto=shortprot))\n out().label('private:')\n process_map = out().defn(map_type + ' {name}',\n name=map_name,\n modifiers='static')\n if self.flag_separate_processmap:\n process_map.output = self._additional_outputs[prot]\n if prot < 1: # TODO: fix build tool to use more than 2 outputs\n prot = prot + 1\n process_map.epilogue = ';'\n\n with process_map:\n out(',\\n'.join('{\"' + function.name + '\", &' +\n service.name + 'AsyncProcessor::' +\n self._get_handler_function_name(function) +\n '<apache::thrift::{0}Reader, '\n 'apache::thrift::{0}Writer>}}'.format(protname)\n for function in service.functions))\n\n out().label('private:')\n for function in service.functions:\n loadname = '\"{0}.{1}\"'.format(service.name, function.name)\n if not self._is_processed_in_eb(function):\n with out().defn(\n 'template <typename ProtocolIn_, '\n 'typename ProtocolOut_>\\n'\n 'void {name}(std::unique_ptr<'\n 'apache::thrift::ResponseChannel::Request> req, '\n 'std::unique_ptr<folly::IOBuf> buf, '\n 'std::unique_ptr<ProtocolIn_> iprot, '\n 'apache::thrift::Cpp2RequestContext* ctx, '\n 'apache::thrift::async::TEventBase* eb, '\n 'apache::thrift::concurrency::ThreadManager* tm'\n ')',\n name=\"_processInThread_{0}\"\n .format(function.name),\n output=self._out_tcc):\n out('auto pri = iface_->getRequestPriority(ctx, '\n 'apache::thrift::concurrency::{0});'.format(\n self._get_function_priority(service, function)))\n out('processInThread<ProtocolIn_, ProtocolOut_>' +\n '(std::move(req), std::move(buf),' +\n 'std::move(iprot), ctx, eb, tm, pri, '\n + (function.oneway and 'true' or 'false') +\n ', &{0}AsyncProcessor::process_{1}'.format(\n service.name, function.name) +\n '<ProtocolIn_, ProtocolOut_>, this);')\n\n with out().defn('template <typename ProtocolIn_, ' +\n 'typename ProtocolOut_>\\n' +\n 'void {name}(std::unique_ptr<' +\n 'apache::thrift::ResponseChannel::Request> req, ' +\n 'std::unique_ptr<folly::IOBuf> buf, ' +\n 'std::unique_ptr<ProtocolIn_> iprot,' +\n 'apache::thrift::Cpp2RequestContext* ctx,' +\n 'apache::thrift::async::TEventBase* eb, ' +\n 'apache::thrift::concurrency::ThreadManager* tm)',\n name=\"process_{0}\".format(function.name),\n output=self._out_tcc):\n self._generate_process_function(service, function)\n\n if not function.oneway:\n args = [\n 'int32_t protoSeqId',\n 'apache::thrift::ContextStack* ctx']\n\n if not function.returntype.is_void:\n args.append(\"{0} const& _return\".format(\n self._type_name(function.returntype)))\n\n with out().defn(\n 'template <class ProtocolIn_, class ProtocolOut_>\\n' +\n 'folly::IOBufQueue {name}' + '({0})'\n .format(\", \".join(args)),\n name=\"return_{0}\".format(function.name),\n output=self._out_tcc,\n modifiers='static'):\n out('ProtocolOut_ prot;')\n out('{0}_{1}_presult result;'.format(\n service.name, function.name))\n if self._function_produces_result(function):\n out('{0} = const_cast<{1}*>(&_return);'.format(\n self._get_presult_success(),\n self._type_name(function.returntype)))\n out('{0};'.format(\n self._get_presult_success_isset('true')))\n out('return serializeResponse(\"{0}\", '\n '&prot, protoSeqId, ctx, result);'\n .format(function.name))\n\n def cast_xceptions(xceptions):\n for idx, xception in enumerate(xceptions):\n with out('catch (const {0}& e)'.format(\n self._type_name(xception.type))):\n out('ctx->userException(' +\n 'folly::demangle(typeid(e)).toStdString(), ' +\n 'e.what());')\n ex_idx = self._exception_idx(function, idx)\n out('{0} = e;'.format(\n self._get_presult_exception(ex_idx, xception)))\n out('{0};'.format(\n self._get_presult_exception_isset(ex_idx, xception, 'true')))\n if not function.oneway:\n with out().defn(\n 'template <class ProtocolIn_, class ProtocolOut_>\\n' +\n 'void {name}(std::unique_ptr' +\n '<apache::thrift::ResponseChannel::Request> req,' +\n 'int32_t protoSeqId,' +\n 'apache::thrift::ContextStack* ctx,' +\n 'std::exception_ptr ep,' +\n 'apache::thrift::Cpp2RequestContext* reqCtx)',\n name=\"throw_{0}\".format(function.name),\n modifiers='static',\n output=self._out_tcc):\n out('ProtocolOut_ prot;')\n if len(function.xceptions.members) > 0:\n out('{0}_{1}_presult result;'.format(\n service.name, function.name))\n with out('try'):\n out('std::rethrow_exception(ep);')\n cast_xceptions(\n function.xceptions.members)\n with out('catch (const std::exception& e)'):\n self._generate_app_ex(\n service,\n \"folly::exceptionStr(e).\" +\n \"toStdString()\",\n function.name, \"protoSeqId\", True,\n out(), 'reqCtx')\n with out('catch (...)'):\n self._generate_app_ex(\n service,\n \"\\\"<unknown exception>\\\"\",\n function.name, \"protoSeqId\", True,\n out(), 'reqCtx', False)\n if len(function.xceptions.members) > 0:\n out('auto queue = serializeResponse('\n '\"{0}\", &prot, protoSeqId, ctx,'\n ' result);'.format(function.name))\n out('queue.append('\n 'apache::thrift::transport::THeader::transform('\n 'queue.move(), '\n '{0}->getHeader()->getWriteTransforms(), '\n '{0}->getHeader()->getMinCompressBytes()));'.format('reqCtx'))\n out('return req->sendReply(queue.move());')\n with out().defn(\n 'template <class ProtocolIn_, class ProtocolOut_>\\n' +\n 'void {name}(std::unique_ptr' +\n '<apache::thrift::ResponseChannel::Request> req,' +\n 'int32_t protoSeqId,' +\n 'apache::thrift::ContextStack* ctx,' +\n 'folly::exception_wrapper ew,' +\n 'apache::thrift::Cpp2RequestContext* reqCtx)',\n name=\"throw_wrapped_{0}\".format(function.name),\n modifiers='static',\n output=self._out_tcc\n ):\n with out('if (!ew)'):\n out('return;')\n\n out('ProtocolOut_ prot;')\n if len(function.xceptions.members) > 0:\n out('{0}_{1}_presult result;'.format(\n service.name, function.name))\n for idx, xception in enumerate(function.xceptions.members):\n xception_type = self._type_name(\n xception.type)\n with out('if (ew.with_exception<{0}>([&]({0}& e)'.\n format(xception_type)):\n out('ctx->userException('\n 'folly::demangle(typeid(e)).'\n 'toStdString(), e.what());')\n ex_idx = self._exception_idx(function, idx)\n out('{0} = e;'.format(\n self._get_presult_exception(ex_idx, xception)))\n out('{0};'.format(\n self._get_presult_exception_isset(ex_idx, xception, 'true')))\n out(')) {} else ')\n with out(' '):\n self._generate_app_ex(\n service,\n 'ew.what().toStdString()',\n function.name, \"protoSeqId\", True,\n out(), 'reqCtx', True, None,\n 'ew.class_name().toStdString()',\n 'ew.what().toStdString()')\n if len(function.xceptions.members) > 0:\n out('auto queue = serializeResponse('\n '\"{0}\", &prot, protoSeqId, ctx,'\n ' result);'.format(function.name))\n out('queue.append('\n 'apache::thrift::transport::THeader::transform('\n 'queue.move(), '\n '{0}->getHeader()->getWriteTransforms(), '\n '{0}->getHeader()->getMinCompressBytes()));'.format('reqCtx'))\n out('return req->sendReply(queue.move());')\n\n\n out().label('public:')\n init = OrderedDict()\n if service.extends:\n init[self._type_name(service.extends) + 'AsyncProcessor'] = \\\n 'iface'\n init['iface_'] = 'iface'\n out().defn('{name}(' + service.name + 'SvIf* iface)',\n name=service.name + 'AsyncProcessor',\n init_dict=init,\n in_header=True).scope.empty()\n out().defn('{name}()', name='~' + service.name + 'AsyncProcessor',\n in_header=True, modifiers='virtual').scope.empty()\n\n def _get_handler_function_name(self, function):\n if self._is_processed_in_eb(function):\n return 'process_' + function.name\n else:\n return '_processInThread_' + function.name\n\n def _generate_client_sync_function(self, service, function,\n uses_rpc_options=False):\n\n signature = self._get_sync_function_signature(function,\n uses_rpc_options)\n\n with out().defn(signature,\n name=\"sync_\" + function.name,\n modifiers='virtual',\n output=self._additional_outputs[-1]):\n common_args = [arg.name for arg in function.arglist.members]\n\n if not uses_rpc_options:\n out('::apache::thrift::RpcOptions rpcOptions;')\n if function.returntype.is_void:\n args = [\"rpcOptions\"]\n args.extend(common_args)\n args_list = \", \".join(args)\n out(\"sync_{name}({args_list});\".format(name=function.name,\n args_list=args_list))\n elif not self._is_complex_type(function.returntype):\n args = [\"rpcOptions\"]\n args.extend(common_args)\n args_list = \", \".join(args)\n\n out(\"return sync_{name}({args_list});\"\n .format(name=function.name, args_list=args_list))\n else:\n args = [\"rpcOptions\", \"_return\"]\n args.extend(common_args)\n args_list = \", \".join(args)\n\n out(\"sync_{name}({args_list});\"\n .format(name=function.name, args_list=args_list))\n\n else:\n out('apache::thrift::ClientReceiveState _returnState;')\n\n sync_callback_name = self.tmp(\"callback\")\n out(\"std::unique_ptr<apache::thrift::RequestCallback> \"\n \"{sync_callback_name}(\"\n \"new apache::thrift::ClientSyncCallback(\"\n \"&_returnState, getChannel()->getEventBase(), {isOneWay}));\"\n .format(sync_callback_name=sync_callback_name,\n isOneWay=str(function.oneway).lower()))\n\n args = [\"rpcOptions\",\n \"std::move({0})\".format(sync_callback_name)]\n args.extend(common_args)\n args_list = \", \".join(args)\n\n out(\"{name}({args_list});\".format(name=function.name,\n args_list=args_list))\n\n out(\"getChannel()->getEventBase()->loopForever();\")\n\n if not function.oneway:\n out(\"SCOPE_EXIT {\")\n out(\" if (_returnState.header() && \"\n \"!_returnState.header()->getHeaders().empty()) {\")\n out(\" rpcOptions.setReadHeaders(\"\n \"_returnState.header()->releaseHeaders());\")\n out(\" }\")\n out(\"};\")\n\n with out(\"if (!_returnState.buf())\"):\n out(\"assert(_returnState.exception());\")\n out(\"std::rethrow_exception(_returnState.exception());\")\n\n if not function.returntype.is_void:\n if not self._is_complex_type(function.returntype):\n out(\"return recv_{}(_returnState);\"\n .format(function.name))\n else:\n out(\"recv_{}(_return, _returnState);\"\n .format(function.name))\n else:\n out(\"recv_{}(_returnState);\".format(function.name))\n\n def _get_sync_function_signature(self, function, uses_rpc_options=False):\n params = []\n\n if uses_rpc_options:\n params.append(\"apache::thrift::RpcOptions& rpcOptions\")\n\n if function.returntype.is_void:\n return_type = \"void\"\n elif not self._is_complex_type(function.returntype):\n return_type = self._type_name(function.returntype)\n else:\n return_type = \"void\"\n params.append(self._type_name(function.returntype) + \"& _return\")\n\n param_list = \", \".join(params)\n param_list += self._argument_list(function.arglist,\n add_comma=bool(params),\n unique=False)\n\n return return_type + \" {name}(\" + param_list + \")\"\n\n def _generate_client_nonrpcoptions_function(self, service, function,\n function_name):\n out(\"::apache::thrift::RpcOptions rpcOptions;\")\n args = [\"rpcOptions\"]\n\n args.extend([arg.name for arg in function.arglist.members])\n args_list = \", \".join(args)\n\n out(\"return {function}({args});\"\n .format(function=function_name, args=args_list))\n\n def _generate_client_future_function(self, service, function,\n uses_rpc_options=False):\n\n function_name = \"future_\" + function.name\n signature = self._get_future_function_signature(function,\n uses_rpc_options)\n with out().defn(signature,\n name=function_name,\n modifiers='virtual',\n output=self._additional_outputs[-1]):\n if not uses_rpc_options:\n self._generate_client_nonrpcoptions_function(service,\n function, function_name)\n else:\n common_args = []\n for arg in function.arglist.members:\n common_args.append(arg.name)\n\n promise_name = self.tmp(\"promise\")\n\n return_type = self._type_name(function.returntype)\n\n out(\"folly::Promise<{type}> {promise};\"\n .format(type=_lift_unit(return_type), promise=promise_name))\n\n future_name = self.tmp(\"future\")\n out(\"auto {future} = {promise}.getFuture();\"\n .format(future=future_name, promise=promise_name))\n\n args = [\"rpcOptions\"]\n end_args = []\n\n callback = self.tmp(\"callback\")\n\n if function.oneway:\n out(\"std::unique_ptr<apache::thrift::RequestCallback> \"\n \"{callback}(\"\n \"new apache::thrift::OneWayFutureCallback(\"\n \"std::move({promise}), channel_));\"\n .format(callback=callback,\n promise=promise_name))\n\n args.append(\"std::move({0})\".format(callback))\n\n else:\n out(\"std::unique_ptr<apache::thrift::RequestCallback> \"\n \"{callback}(\"\n \"new apache::thrift::FutureCallback<{type}>(\"\n \"std::move({promise}), recv_wrapped_{name}, channel_, \"\n \"(rpcOptions.getUseForReadHeaders() ? &rpcOptions : \"\n \"nullptr)));\"\n .format(callback=callback,\n type=_lift_unit(return_type),\n promise=promise_name,\n name=function.name))\n\n args.append(\"std::move({0})\".format(callback))\n\n args.extend(common_args)\n args.extend(end_args)\n args_list = \", \".join(args)\n\n out(\"{name}({args_list});\".format(name=function.name,\n args_list=args_list))\n\n out(\"return std::move({0});\".format(future_name))\n\n def _generate_client_streaming_function(self, service, function,\n uses_rpc_options=False):\n\n function_name = \"observable_\" + function.name\n signature = self._get_streaming_function_signature(function,\n uses_rpc_options)\n with out().defn(signature, name=function_name,\n modifiers='virtual',\n output=self._additional_outputs[-1]):\n if not uses_rpc_options:\n self._generate_client_nonrpcoptions_function(service,\n function, function_name)\n else:\n args = [arg.name for arg in function.arglist.members]\n arglist = \", \".join(args)\n\n return_type = self._type_name(function.returntype)\n\n subj = self.tmp(\"subj\")\n out(\"auto {subj} = std::make_shared<wangle::Subject<{type}>>();\".format(\n type=return_type, subj=subj))\n out(\"{name}(rpcOptions, \"\n \"std::unique_ptr<apache::thrift::RequestCallback>(\"\n \"new apache::thrift::FunctionReplyCallback(\"\n \"[{subj}](apache::thrift::ClientReceiveState&& state) mutable {{ \"\n \"apache::thrift::clientCallbackToObservable(\"\n \"state, recv_wrapped_{name}, {subj}); \"\n \"}})), {args});\".format(\n name=function.name, subj=subj, args=arglist))\n out(\"return {subj};\".format(subj=subj))\n\n def _get_streaming_function_signature(self, function, uses_rpc_options):\n result_type = self._type_name(function.returntype)\n return self._get_noncallback_function_signature(\n function,\n uses_rpc_options,\n \"wangle::ObservablePtr\",\n result_type)\n\n def _get_future_function_signature(self, function, uses_rpc_options):\n result_type = _lift_unit(self._type_name(function.returntype))\n return self._get_noncallback_function_signature(\n function, uses_rpc_options, \"folly::Future\", result_type)\n\n def _get_noncallback_function_signature(\n self, function, uses_rpc_options, ret_template, result_type):\n params = []\n if uses_rpc_options:\n params.append(\"apache::thrift::RpcOptions& rpcOptions\")\n\n return_type = \"{0}<{1}>\".format(ret_template, result_type)\n\n param_list = \", \".join(params)\n param_list += self._argument_list(function.arglist,\n add_comma=bool(params),\n unique=False)\n\n return return_type + \" {name}(\" + param_list + \")\"\n\n def _generate_client_async_function(self, service, function,\n uses_rpc_options=False,\n name_prefix=\"\"):\n if not uses_rpc_options:\n signature = self._get_async_function_signature(function,\n uses_rpc_options)\n with out().defn(signature,\n name=name_prefix + function.name,\n modifiers='virtual',\n output=self._additional_outputs[-1]):\n out('::apache::thrift::RpcOptions rpcOptions;')\n args = [\"rpcOptions\"]\n\n args.append(\"std::move(callback)\")\n\n args.extend([arg.name for arg in function.arglist.members])\n args_list = \", \".join(args)\n\n out(\"{name}({args});\".format(name=function.name, args=args_list))\n\n else:\n signature = self._get_async_function_signature(\n function, uses_rpc_options=True, uses_callback_ptr=True)\n\n with out().defn(signature,\n name=name_prefix + function.name,\n modifiers='virtual',\n output=self._additional_outputs[-1]):\n args = [\"&writer\", \"rpcOptions\"]\n args.append(\"std::move(callback)\")\n\n for arg in function.arglist.members:\n args.append(arg.name)\n\n args_list = \", \".join(args)\n\n with out(\"switch(getChannel()->getProtocolId())\"):\n for key, val, prot in self.protocols:\n if key == 'simple_json':\n continue\n with out().case(\"apache::thrift::protocol::\" + prot):\n out(\"apache::thrift::{0}Writer writer;\".format(val))\n out(\"{name}T({args});\".\n format(name=function.name, args=args_list))\n\n with out().case(\"default\", nobreak=True):\n out(\"throw apache::thrift::TApplicationException(\"\n '\"Could not find Protocol\");')\n\n def _generate_templated_client_function(self, service, function):\n signature = self._get_async_function_signature(function,\n uses_rpc_options=True,\n uses_template=True,\n uses_callback_ptr=True)\n\n func_name = function.name + \"T\"\n\n with out().defn(signature, name=func_name, output=self._out_tcc):\n out(\"auto header = std::make_shared<apache::thrift::transport::THeader>();\")\n out(\"header->setProtocolId(getChannel()->getProtocolId());\")\n out(\"header->setHeaders(rpcOptions.releaseWriteHeaders());\")\n out(\"getChannel()->flushWriteHeaders(header.get());\")\n out(\"connectionContext_->setRequestHeader(header.get());\")\n out(\"std::unique_ptr<apache::thrift::ContextStack> ctx = \"\n \"this->getContextStack(this->getServiceName(), \"\n '\"{0}.{1}\", connectionContext_.get());'\n .format(service.name, function.name))\n pargs_class = \"{0}_{1}_pargs\".format(service.name, function.name)\n out(\"{0} args;\".format(pargs_class))\n\n # Generate list of function args\n for idx, field in enumerate(function.arglist.members):\n rtype = self._get_true_type(field.type)\n if rtype.is_string or rtype.is_container \\\n or rtype.is_struct:\n out(\"{0} = const_cast<{1}*>(&{2});\".format(\n self._get_pargs_field(idx, field),\n self._type_name(field.type),\n field.name))\n else:\n out(\"{0} = &{1};\".format(\n self._get_pargs_field(idx, field),\n field.name))\n\n if self.flag_compatibility:\n sizer = '[](Protocol_* prot, {0}& args) ' \\\n '{{ return {0}_serializedSizeZC(prot, &args); }}'\n writer = '[](Protocol_* prot, {0}& args) ' \\\n '{{ {0}_write(prot, &args); }}'\n else:\n sizer = '[](Protocol_* prot, {0}& args) ' \\\n '{{ return args.serializedSizeZC(prot); }}'\n writer = '[](Protocol_* prot, {0}& args) ' \\\n '{{ args.write(prot); }}'\n sizer = sizer.format(pargs_class)\n writer = writer.format(pargs_class)\n\n out('apache::thrift::clientSendT<{}>(prot, rpcOptions, '\n 'std::move(callback), std::move(ctx), header, '\n 'channel_.get(), args, '\n '\"{}\", {}, {});'.format([\"false\", \"true\"][function.oneway],\n function.name, writer, sizer))\n out(\"connectionContext_->setRequestHeader(nullptr);\")\n\n def _get_async_function_signature(self,\n function,\n uses_rpc_options,\n uses_template=False,\n uses_callback_ptr=False):\n signature_prefix = \"\"\n if uses_template:\n signature_prefix = \"template <typename Protocol_>\\n\"\n\n params = []\n if uses_template:\n params.append(\"Protocol_* prot\")\n\n if uses_rpc_options:\n params.append(\"apache::thrift::RpcOptions& rpcOptions\")\n\n params.append(\"std::unique_ptr<apache::thrift::RequestCallback> \"\n \"callback\")\n\n param_list = \", \".join(params)\n\n param_list += self._argument_list(function.arglist,\n add_comma=bool(params),\n unique=False)\n\n return signature_prefix + \"void {name}(\" + param_list + \")\"\n\n def _generate_client_std_function(self, function, name_prefix=\"\"):\n sig = (\"void {name}(std::function<void (\"\n \"::apache::thrift::ClientReceiveState&&)> callback\" +\n self._argument_list(function.arglist, True, unique=False) + \")\")\n\n args = [\"std::unique_ptr<apache::thrift::RequestCallback>(\"\n \"new apache::thrift::FunctionReplyCallback(\"\n \"std::move(callback)))\"]\n args.extend([arg.name for arg in function.arglist.members])\n args_list = \",\".join(args)\n\n name = name_prefix + function.name\n\n with out().defn(sig,\n name=name,\n modifiers=\"virtual\",\n output=self._additional_outputs[-1]):\n out(\"{name}({args});\".format(name=function.name, args=args_list))\n\n def _generate_throwing_recv_function(self, function, uses_template):\n callee_name = function.name\n if uses_template:\n callee_name = callee_name + 'T'\n output = None\n if uses_template:\n output = self._out_tcc\n else:\n output = self._additional_outputs[-1]\n with out().defn(self._get_recv_function_signature(function,\n uses_template),\n name='recv_' + callee_name,\n modifiers='static',\n output=output):\n simple_return = not function.returntype.is_void and \\\n not self._is_complex_type(function.returntype)\n if simple_return:\n out(self._type_name(function.returntype) + ' _return;')\n\n params = []\n if uses_template:\n params.append('prot')\n if not function.returntype.is_void:\n params.append('_return')\n params.append('state')\n func_name = 'recv_wrapped_' + function.name\n if uses_template:\n func_name = func_name + 'T'\n out('auto ew = {0}({1});'.format(func_name, ', '.join(params)))\n with out('if (ew)'):\n out('ew.throwException();')\n if simple_return:\n out('return _return;')\n\n def _generate_recv_functions(self, function):\n with out().defn(self._get_recv_function_signature(function,\n is_wrapped=True),\n name=\"recv_wrapped_\" + function.name,\n modifiers=\"static\",\n output=self._additional_outputs[-1]):\n out('auto ew = state.exceptionWrapper();')\n with out('if (ew)'):\n out('return ew;')\n with out('if (!state.buf())'):\n out('return folly::make_exception_wrapper<'\n 'apache::thrift::TApplicationException>('\n '\"recv_ called without result\");')\n with out(\"switch(state.protocolId())\"):\n for key, value, prottype in self.protocols:\n if key == 'simple_json':\n continue\n with out().case('apache::thrift::protocol::' + prottype,\n nobreak=True):\n out(\"apache::thrift::{0}Reader reader;\".format(value))\n\n callee_name = \"recv_wrapped\" + function.name + \"T\"\n\n args = [\"&reader\"]\n\n if not function.returntype.is_void:\n args.append(\"_return\")\n\n args.append(\"state\")\n args_list = \", \".join(args)\n\n out('return recv_wrapped_' + function.name + 'T(' +\n args_list + ');')\n\n with out().case(\"default\", nobreak=True):\n pass\n out('return folly::make_exception_wrapper<'\n 'apache::thrift::TApplicationException>('\n '\"Could not find Protocol\");')\n\n self._generate_throwing_recv_function(function, False)\n\n # Most mock frameworks require your functions to be virtual instance\n # functions. Generating a virtual instance version of recv_ so\n # that folks wanting to mock the thrift service clients can use\n # this function and override in their mock objects.\n out(\"// Mock friendly virtual instance method\")\n with out().defn(self._get_recv_function_signature(function),\n name=\"recv_\" + \"instance_\" + function.name,\n modifiers=\"virtual\",\n output=self._additional_outputs[-1]):\n params = []\n if self._is_complex_type(function.returntype):\n params.append('_return')\n params.append('state')\n if not function.oneway:\n if not function.returntype.is_void:\n out(\"return recv_\" + function.name +\n \"(\" + \", \".join(params) + \");\")\n else:\n out(\"recv_\" + function.name + \"(\" + \", \".join(params) +\n \");\")\n\n with out().defn(self._get_recv_function_signature(function,\n is_wrapped=True),\n name=\"recv_instance_wrapped_\" + function.name,\n modifiers=\"virtual\",\n output=self._additional_outputs[-1]):\n params = []\n if not function.returntype.is_void:\n params.append('_return')\n params.append('state')\n if not function.oneway:\n out(\"return recv_wrapped_\" + function.name +\n \"(\" + \", \".join(params) + \");\")\n\n def _generate_templated_recv_function(self, service, function):\n sig = self._get_recv_function_signature(function,\n uses_template=True,\n is_wrapped=True)\n\n with out().defn(sig,\n name=\"recv_wrapped_\" + function.name + \"T\",\n modifiers=\"static\",\n output=self._out_tcc):\n with out('if (state.isException())'):\n out('return state.exceptionWrapper();')\n out(\"prot->setInput(state.buf());\")\n out(\"auto guard = folly::makeGuard([&] {prot->setInput(nullptr);});\")\n out(\"apache::thrift::ContextStack* ctx = state.ctx();\")\n out(\"std::string fname;\")\n out(\"int32_t protoSeqId = 0;\")\n out(\"apache::thrift::MessageType mtype;\")\n out(\"ctx->preRead();\")\n\n out(\"folly::exception_wrapper interior_ew;\")\n with out(\"auto caught_ew = folly::try_and_catch<\"\n \"apache::thrift::TException, \"\n \"apache::thrift::protocol::TProtocolException>([&]() \"):\n out(\"prot->readMessageBegin(fname, mtype, protoSeqId);\")\n\n with out(\"if (mtype == apache::thrift::T_EXCEPTION)\"):\n out(\"apache::thrift::TApplicationException x;\")\n out(\"x.read(prot);\")\n out(\"prot->readMessageEnd();\")\n out(\"interior_ew = folly::make_exception_wrapper<\"\n \"apache::thrift::TApplicationException>(x);\")\n out(\"return; // from try_and_catch\")\n\n with out(\"if (mtype != apache::thrift::T_REPLY)\"):\n out(\"prot->skip(apache::thrift::protocol::T_STRUCT);\")\n out(\"prot->readMessageEnd();\")\n out(\"interior_ew = folly::make_exception_wrapper<\"\n \"apache::thrift::TApplicationException>(\"\n \"apache::thrift::TApplicationException\"\n \"::TApplicationExceptionType::INVALID_MESSAGE_TYPE);\")\n out(\"return; // from try_and_catch\")\n\n with out('if (fname.compare(\"' + function.name + '\") != 0)'):\n out(\"prot->skip(apache::thrift::protocol::T_STRUCT);\")\n out(\"prot->readMessageEnd();\")\n out(\"interior_ew = folly::make_exception_wrapper<\"\n \"apache::thrift::TApplicationException>(\"\n \"apache::thrift::TApplicationException\"\n \"::TApplicationExceptionType::WRONG_METHOD_NAME);\")\n out(\"return; // from try_and_catch\")\n out(\"::apache::thrift::SerializedMessage smsg;\")\n out(\"smsg.protocolType = prot->protocolType();\")\n out(\"smsg.buffer = state.buf();\")\n out(\"ctx->onReadData(smsg);\")\n\n out(\"{0}_{1}_presult result;\".format(service.name, function.name))\n\n if not function.returntype.is_void:\n out(\"{0} = &_return;\".format(\n self._get_presult_success()))\n\n if self.flag_compatibility:\n out(\"{0}_{1}_presult_read(prot, &result);\".format(\n service.name, function.name))\n else:\n out(\"result.read(prot);\")\n\n out(\"prot->readMessageEnd();\")\n out('ctx->postRead(state.header(), state.buf()->length());')\n\n if not function.returntype.is_void:\n with out(\"if ({0})\".format(self._get_presult_success_isset())):\n out(\"// _return pointer has been filled\")\n out(\"return; // from try_and_catch\")\n for idx, xs in enumerate(function.xceptions.members):\n ex_idx = self._exception_idx(function, idx)\n with out(\"if ({0})\".format(\n self._get_presult_exception_isset(ex_idx, xs))):\n out(\"interior_ew = folly::make_exception_wrapper<\"\n \"{0}>({1});\".format(\n self._type_name(xs.type),\n self._get_presult_exception(ex_idx, xs)))\n out(\"return; // from try_and_catch\")\n\n if not function.returntype.is_void:\n with out(\"else\"):\n # else throw, no success\n out(\"interior_ew = folly::make_exception_wrapper<\"\n \"apache::thrift::TApplicationException>(\"\n \"apache::thrift::TApplicationException::\"\n \"TApplicationExceptionType::MISSING_RESULT, \"\n '\"failed: unknown result\");')\n out(\"return; // from try_and_catch\")\n out(\");\")\n with out(\"if (interior_ew || caught_ew)\"):\n out(\"ctx->handlerError();\")\n out(\"return interior_ew ? interior_ew : caught_ew;\")\n out(\"return folly::exception_wrapper();\")\n\n self._generate_throwing_recv_function(function, True)\n\n def _get_recv_function_signature(self, function, uses_template=False,\n is_wrapped=False):\n signature_prefix = \"\"\n\n if uses_template:\n signature_prefix = \"template <typename Protocol_>\\n\"\n\n if is_wrapped:\n signature_prefix += 'folly::exception_wrapper'\n elif function.returntype.is_void or \\\n self._is_complex_type(function.returntype):\n signature_prefix += \"void\"\n else:\n signature_prefix += self._type_name(function.returntype)\n\n params = []\n if uses_template:\n params.append(\"Protocol_* prot\")\n\n if not function.returntype.is_void and (\n self._is_complex_type(function.returntype) or is_wrapped\n ):\n params.append(self._type_name(function.returntype) + \"& _return\")\n\n params.append(\"::apache::thrift::ClientReceiveState& state\")\n param_list = \", \".join(params)\n return signature_prefix + \" {name}(\" + param_list + \")\"\n\n def _recv_has_void_return_type(self, function):\n return not self._function_produces_result(function) or \\\n self._recv_uses_return_parameter(function)\n\n def _recv_uses_return_parameter(self, function):\n return self._function_produces_result(function) and \\\n self._is_complex_type(function.returntype)\n\n def _function_produces_result(self, function):\n return_type = function.returntype\n return not return_type.is_void\n\n def _exception_idx(self, function, idx):\n return idx + (1 if self._function_produces_result(function) else 0)\n\n def _argument_list(self, arglist, add_comma, unique, no_param_names=False):\n out = \"\"\n for field in arglist.members:\n if len(out) > 0 or add_comma:\n out += \", \"\n\n type_name = self._type_name(field.type,\n arg=True, unique=unique)\n\n field_name = \"/*\" + field.name + \"*/\" if no_param_names \\\n else field.name\n out += type_name + \" \" + field_name\n\n return out\n\n # ======================================================================\n # STRUCT GENERATION CODE + following two sections\n # ======================================================================\n\n def _default_value(self, t):\n t = self._get_true_type(t)\n if t.is_base_type or t.is_enum:\n dval = None\n if t.is_enum:\n dval = \"({0})0\".format(self._type_name(t))\n elif t.is_string:\n dval = '{0}()'.format(self._type_name(t))\n else:\n dval = '0'\n return dval\n else:\n return False\n\n def _should_generate_field(self, field):\n return ('format' not in field.annotations or\n field.annotations['format'] != 'serialized')\n\n def _member_default_value(self, member, explicit=False):\n t = self._get_true_type(member.type)\n if member.value:\n return self._render_const_value(t, member.value)\n if t.is_base_type and not t.is_string:\n return '0'\n if explicit or t.is_enum:\n return '{0}()'.format(self._type_name(t))\n return ''\n\n def _get_serialized_fields_options(self, obj):\n keep_unknown_fields = ('keep_unknown_fields' in obj.annotations and\n obj.annotations['keep_unknown_fields'] == '1')\n return SerializedFieldOptions(\n keep_unknown_fields=keep_unknown_fields,\n has_serialized_fields=keep_unknown_fields or any(\n 'format' in field.annotations and\n field.annotations['format'] == 'serialized'\n for field in obj.members)\n )\n\n def _gen_union_constructor(self, s, obj, is_operator, is_move):\n i = OrderedDict()\n if is_operator:\n if is_move:\n sig = '{name}& operator=({name}&& rhs)'\n else:\n sig = '{name}& operator=(const {name}& rhs)'\n else:\n i['type_'] = 'Type::__EMPTY__'\n if is_move:\n sig = '{name}({name}&& rhs)'\n else:\n sig = '{name}(const {name}& rhs)'\n\n with s.defn(sig, name=obj.name, in_header=True, init_dict=i):\n out('if (this == &rhs) {{return{0}; }}'.format(\n ' *this' if is_operator else ''))\n if is_operator:\n out('__clear();')\n out('if (rhs.type_ == Type::__EMPTY__) {{ return{0}; }}'.format(\n ' *this' if is_operator else ''))\n\n with out('switch(rhs.type_)'):\n for member in obj.members:\n with out().case('Type::' + member.name):\n if is_move:\n if self._is_reference(member):\n fmt = 'set_{field}(std::move(*rhs.value_.{field}));'\n else:\n fmt = 'set_{field}(std::move(rhs.value_.{field}));'\n elif self._is_reference(member):\n fmt = 'set_{field}(*rhs.value_.{field});'\n else:\n fmt = 'set_{field}(rhs.value_.{field});'\n out(fmt.format(field=member.name))\n with out().case('default'):\n out('assert(false);')\n\n if is_move:\n out('rhs.__clear();')\n if is_operator:\n out('return *this;')\n\n def _gen_union_switch(self, members, stmt,\n val='type_', default='assert(false);'):\n with out('switch({0})'.format(val)):\n for member in members:\n with out().case('Type::' + member.name):\n out(stmt.format(field=member.name))\n with out().case('default'):\n out(default)\n\n def _generate_struct_complete(self, s, obj, is_exception,\n pointers, read, write, swap,\n result, has_isset=True,\n to_additional=False, simplejson=True):\n def output(data):\n if to_additional:\n print >>self._additional_outputs[-1], data\n else:\n s.impl(data)\n\n if not self.flag_implicit_templates:\n for a,b,c in self.protocols:\n if a == 'simple_json' and not simplejson:\n continue\n if not self.flag_compatibility:\n output((\"template uint32_t {1}::read<apache::thrift::{0}Reader>\"\n \"(apache::thrift::{0}Reader*);\").format(b,obj.name))\n\n output((\"template uint32_t {1}::write<\"\n \"apache::thrift::{0}Writer\"\">(\"\n \"apache::thrift::{0}Writer*) const;\").format(\n b,obj.name))\n output((\"template uint32_t {1}::serializedSize\"\n \"<apache::thrift::{0}Writer>(apache::thrift::{0}Writer*)\"\n \" const;\").format(b,obj.name))\n output((\"template uint32_t {1}::serializedSizeZC\"\n \"<apache::thrift::{0}Writer>(\"\n \"apache::thrift::{0}Writer*) const;\").format(\n b,obj.name))\n else:\n output((\"template uint32_t {1}_read<\"\n \"apache::thrift::{0}Reader>(\"\n \"apache::thrift::{0}Reader*, {1}*);\").format(\n b,obj.name))\n output((\"template uint32_t {1}_write<\"\n \"apache::thrift::{0}Writer>(\"\n \"apache::thrift::{0}Writer*, const {1}*);\").format(\n b,obj.name))\n output((\"template uint32_t {1}_serializedSize<\"\n \"apache::thrift::{0}Writer>(\"\n \"apache::thrift::{0}Writer*, const {1}*);\").format(\n b,obj.name))\n output((\"template uint32_t {1}_serializedSizeZC<\"\n \"apache::thrift::{0}Writer>(\"\n \"apache::thrift::{0}Writer*, const {1}*);\").format(\n b,obj.name))\n\n if self.flag_compatibility:\n base = self._namespace_prefix(\n self._program.get_namespace('cpp')) + obj.name\n s('typedef{0} {1};'.format(base, obj.name))\n\n if read:\n self._generate_struct_reader(s, obj, pointers,\n has_isset=has_isset)\n if write:\n for zc in False, True:\n self._generate_struct_compute_length(\n s, obj, pointers, result, zero_copy=zc)\n self._generate_struct_writer(s, obj, pointers, result)\n return\n\n extends = ' : private boost::totally_ordered<{0}>'.format(obj.name)\n if is_exception:\n extends += ', public apache::thrift::TException'\n # Open struct def\n struct = s.cls('class {0}{1}'.format(obj.name, extends)).scope\n struct.acquire()\n struct.label('public:')\n # Get members\n members = filter(self._should_generate_field, obj.members)\n has_nonrequired_fields = any(member.req != e_req.required\n for member in members)\n should_generate_isset = has_nonrequired_fields and \\\n ((not pointers) or read) and not obj.is_union \\\n and not self.flag_optionals\n struct_options = self._get_serialized_fields_options(obj)\n\n # Type enum for unions\n if obj.is_union:\n with struct('enum Type'):\n out('__EMPTY__ = 0,')\n i = 0\n for member in members:\n i += 1\n out('{0} = {1},'.format(member.name, i))\n struct.sameLine(';')\n\n if not pointers:\n # Default constructor\n i = OrderedDict()\n if not obj.is_union:\n for member in members:\n value = self._member_default_value(member)\n if value:\n i[member.name] = value\n struct()\n else:\n i['type_'] = 'Type::__EMPTY__'\n c = struct.defn('{name}()', name=obj.name,\n in_header=True, init_dict=i).scope.empty()\n\n # generate from-string ctors for exceptions with message annotation\n if is_exception and 'message' in obj.annotations:\n i = OrderedDict()\n i[obj.annotations['message']] = '__message'\n c = struct.defn('explicit {name}(const std::string& __message)',\n name=obj.name,\n in_header=True,\n init_dict=i).scope.empty()\n\n i = OrderedDict()\n i[obj.annotations['message']] = 'std::move(__message)'\n c = struct.defn('explicit {name}(std::string&& __message)',\n name=obj.name,\n in_header=True,\n init_dict=i).scope.empty()\n\n is_copyable = self._is_copyable_struct(obj)\n is_comparable = self._is_comparable_struct(obj)\n if not obj.is_union:\n # Generate a initializer_list type constructor\n init_vars = []\n init_vars.append('apache::thrift::FragileConstructor')\n for member in members:\n t = self._get_true_type(member.type)\n typename = self._type_name(member.type)\n if self._is_reference(member):\n typename = \"std::unique_ptr<\" + typename + \">\"\n init_vars.append(\"{0} {1}__arg\".format(\n typename, member.name))\n i = OrderedDict()\n for member in members:\n i[member.name] = 'std::move({name}__arg)'.format(\n name=member.name)\n struct('// FragileConstructor for use in'\n ' initialization lists only')\n c = struct.defn('{name}(' + ', '.join(init_vars) + ')',\n name=obj.name,\n in_header=True,\n init_dict=i).scope.empty()\n\n # move constructor, move assignment, defaulted\n # (not implicitly declared because we have a destructor)\n if self._is_noex_move_ctor_struct(obj):\n i = OrderedDict()\n for member in members:\n i[member.name] = 'std::move(other.{name})'.format(\n name=member.name)\n if should_generate_isset:\n i['__isset'] = 'other.__isset'\n c = struct.defn('{name}({name}&& other)',\n name=obj.name,\n in_header=True,\n no_except=True,\n init_dict=i).scope.empty()\n else:\n c = struct.defn('{name}({name}&&)',\n name=obj.name, in_header=True, default=True)\n if is_copyable:\n needs_copy_constructor = False\n for member in members:\n if self._is_reference(member):\n needs_copy_constructor = True\n if needs_copy_constructor:\n src = self.tmp('src')\n with struct.defn('{{name}}(const {0}& {1})'\n .format(obj.name, src),\n name=obj.name):\n for member in members:\n if self._is_reference(member):\n out(\"if ({2}.{0}) {0}.reset(\"\n \"new {1}(*{2}.{0}));\".format(\n member.name, self._type_name(\n member.type), src))\n else:\n out(\"{0} = {1}.{0};\".format(\n member.name, src))\n if self._has_isset(member):\n out('__isset.{0} = {1}.__isset.{0};'.format(\n member.name, src))\n else:\n c = struct.defn(\n '{name}(const {name}&)',\n name=obj.name, in_header=True, default=True)\n c = struct.defn('{name}& operator=({name}&&)',\n name=obj.name, in_header=True, default=True)\n if is_copyable:\n if needs_copy_constructor:\n src = self.tmp('src')\n tmp = self.tmp('tmp')\n with struct.defn('{0}& {{name}}(const {0}& {1})'\n .format(obj.name, src),\n name='operator='):\n out('{name} {tmp}({src});'.format(\n name=obj.name, tmp=tmp, src=src))\n out('swap(*this, {tmp});'.format(tmp=tmp))\n out('return *this;')\n else:\n c = struct.defn('{name}& operator=(const {name}&)',\n name=obj.name, in_header=True, default=True)\n\n else:\n # unions need to define the above constructors because of the\n # union member\n for op in False, True:\n self._gen_union_constructor(struct, obj, op, True)\n if is_copyable:\n self._gen_union_constructor(struct, obj, op, False)\n\n if len(members) > 0:\n with struct.defn('void {name}()', name=\"__clear\"):\n if obj.is_union:\n out('if (type_ == Type::__EMPTY__) { return; }')\n self._gen_union_switch(members,\n 'destruct(value_.{field});')\n out('type_ = Type::__EMPTY__;')\n else:\n for member in members:\n t = self._get_true_type(member.type)\n name = member.name + \\\n self._type_access_suffix(member.type)\n if self._is_optional_wrapped(member):\n # trumps below conditions, regardless of type\n out(('{0}.clear();').format(name))\n elif t.is_base_type or t.is_enum:\n dval = self._member_default_value(\n member, explicit=True)\n out('{0} = {1};'.format(name, dval))\n elif t.is_struct or t.is_xception:\n stype = self._get_true_type(\n member.type.as_struct)\n if len(stype.members) > 0:\n if self._is_reference(member):\n out(('if ({1}) ' +\n '::apache::thrift::Cpp2Ops< {0}>' +\n '::clear({1}.get());').format(\n self._type_name(member.type),\n name))\n else:\n out(('::apache::thrift::Cpp2Ops< {0}>' +\n '::clear(&{1});').format(\n self._type_name(member.type),\n name))\n elif t.is_container:\n out('{0}.clear();'.format(name))\n else:\n raise TypeError('Unknown type for member:' +\n member.name)\n if should_generate_isset:\n out('__isset.__clear();')\n if struct_options.has_serialized_fields:\n out('{0}.reset();'.format(\n self._serialized_fields_name))\n # END if not pointers\n\n if 'final' not in obj.annotations:\n with struct.defn('~{name}() throw()', name=obj.name,\n modifiers='virtual', in_header=True):\n if obj.is_union:\n out('__clear();')\n struct()\n\n s1 = struct\n if obj.is_union:\n s1 = struct('union storage_type').scope\n s1.acquire()\n\n # Declare all fields.\n for member in members:\n s1(self._declare_field(\n member,\n pointers and not member.type.is_xception,\n not read, False,\n self._is_reference(member),\n self._is_optional_wrapped(member)))\n\n if s1 is not struct:\n s1()\n s1('storage_type() {}')\n s1('~storage_type() {}')\n s1.release()\n struct.sameLine(';')\n\n # Isset struct has boolean fields, but only for non-required fields\n if should_generate_isset:\n struct()\n with struct.cls('struct __isset', epilogue=' __isset;') as ist:\n with ist.defn('__isset()', in_header=True):\n out('__clear();')\n with ist.defn('void __clear()', in_header=True):\n for member in members:\n if self._has_isset(member):\n out(\"{0} = false;\".format(member.name))\n # Declare boolean fields\n ist()\n for member in members:\n if self._has_isset(member):\n ist('bool {0};'.format(member.name))\n if struct_options.has_serialized_fields:\n struct()\n struct('apache::thrift::ProtocolType {0};'.format(\n self._serialized_fields_protocol_name))\n struct('{0} {1};'.format(self._serialized_fields_type,\n self._serialized_fields_name))\n if ((not pointers and\n is_comparable and\n not struct_options.has_serialized_fields)):\n # Generate an equality testing operator.\n with struct.defn('bool {{name}}(const {0}& {1}) const'\n .format(obj.name,\n len(members) > 0 and 'rhs' or '/* rhs */'),\n name='operator=='):\n if obj.is_union:\n out('if (type_ != rhs.type_) { return false; }')\n self._gen_union_switch(members,\n 'return value_.{field} == rhs.value_.{field};',\n default='return true;')\n else:\n for m in members:\n # Most existing Thrift code does not use isset or\n # optional/required, so we treat \"default\" fields as\n # required.\n if self._is_reference(m):\n check = (\"(({0} && rhs.{0} && *{0} == *rhs.{0}) ||\"\n \"(!{0} && !rhs.{0}))\").format(m.name)\n else:\n check = \"({0} == rhs.{0})\".format(m.name)\n\n ctype = self._get_true_type(m.type)\n if ctype.is_base_type and ctype.as_base_type.is_binary:\n check = \"apache::thrift::StringTraits<{0}>::\" \\\n \"isEqual({1}, rhs.{1})\".format(\n self._type_name(ctype), m.name)\n if m.req != e_req.optional or not self._has_isset(m):\n with out('if (!({0}))'.format(\n check)):\n out('return false;')\n else:\n with out('if (__isset.{0} != rhs.__isset.{0})'\n .format(m.name)):\n out('return false;')\n with out('else if'\n ' (__isset.{0} && !({1}))'\n .format(m.name, check)):\n out('return false;')\n out('return true;')\n\n # Generate the declaration of a less-than operator. This must be\n # implemented by the application developer if they wish to use it.\n # (They will get a link error if they try to use it without an\n # implementation.)i\n if self._is_orderable_type(obj) and \\\n 'no_default_comparators' not in obj.annotations:\n with struct.defn('bool operator < (const {0}& rhs) const'\n .format(obj.name), in_header=True):\n if obj.is_union:\n out('if (type_ != rhs.type_)'\n ' { return type_ < rhs.type_; }')\n self._gen_union_switch(members,\n 'return value_.{field} < rhs.value_.{field};',\n default='return false;')\n else:\n for m in members:\n with out('if (!({0} == rhs.{0}))'\n .format(m.name)):\n out('return {0} < rhs.{0};'.format(m.name))\n out('return false;')\n else:\n struct('bool operator < (const {0}& rhs) const;'\n .format(obj.name))\n\n # generate union accessors/settors\n if obj.is_union:\n for member in members:\n t = self._type_name(self._get_true_type(member.type))\n with struct.defn('template<typename... T>\\n'\n 'void set_{name}(T&&... t)',\n in_header=True, name=member.name):\n out('__clear();')\n out('type_ = Type::{0};'.format(member.name))\n if self._is_reference(member):\n out('new (&value_.{0}) std::unique_ptr<{1}>('\n 'new {1}(std::forward<T>(t)...));'.format(\n member.name, t))\n else:\n out('new (&value_.{0}) {1}(std::forward<T>(t)...);'\n .format(member.name, t))\n\n for member in members:\n t = self._type_name(self._get_true_type(member.type))\n if self._is_reference(member):\n t = \"std::unique_ptr<\" + t + \">\"\n with struct.defn('get_{name}() const', in_header=True,\n name=member.name,\n modifiers='const {0}&'.format(t)):\n out('assert(type_ == Type::{0});'.format(member.name))\n out('return value_.{0};'.format(member.name))\n\n for member in members:\n t = self._type_name(self._get_true_type(member.type))\n if self._is_reference(member):\n t = \"std::unique_ptr<\" + t + \">\"\n with struct.defn('mutable_{name}()', in_header=True,\n name=member.name,\n modifiers='{0}&'.format(t)):\n out('assert(type_ == Type::{0});'.format(member.name))\n out('return value_.{0};'.format(member.name))\n\n for member in members:\n t = self._type_name(self._get_true_type(member.type))\n if self._is_reference(member):\n t = \"std::unique_ptr<\" + t + \">\"\n with struct.defn('move_{name}()', in_header=True,\n name=member.name, modifiers=t):\n out('assert(type_ == Type::{0});'.format(member.name))\n out('return std::move(value_.{0});'.format(member.name))\n\n struct()\n struct('Type getType() const { return type_; }')\n\n if read or write:\n struct()\n if read:\n self._generate_struct_reader(struct, obj, pointers)\n if write:\n for zc in False, True:\n self._generate_struct_compute_length(\n struct, obj, pointers, result, zero_copy=zc)\n self._generate_struct_writer(struct, obj, pointers, result)\n if is_exception:\n if 'message' in obj.annotations:\n what = '{0}.c_str()'.format(obj.annotations['message'])\n else:\n what = '\"{0}\"'.format(self._type_name(obj))\n with struct.defn('virtual const char* what() const throw()',\n in_header=True) as x1:\n x1('return {0};'.format(what))\n\n # generate the union protected members\n if obj.is_union:\n struct.label('protected:')\n with struct.defn('template <class T>\\n' + 'void destruct(T &val)',\n in_header=True):\n out('(&val)->~T();')\n struct()\n struct('Type type_;')\n struct('storage_type value_;')\n\n # we're done with the struct definition\n struct.release()\n\n if swap:\n s = self._types_scope\n # Generate a namespace-scope swap() function\n with s.defn('void {{name}}({0}& a, {0}& b)'.format(obj.name),\n name='swap'):\n if obj.is_union:\n # For unions, the members cannot be swapped individually\n # so instead we use the logic in the move constructors to\n # swap the object wholesale\n out('{0} temp(std::move(a));'.format(obj.name))\n out('a = std::move(b);')\n out('b = std::move(temp);')\n else:\n # Let argument-dependent name lookup find the correct swap()\n # function to use based on the argument types. If none is found\n # in the arguments' namespaces, fall back to ::std::swap().\n out('using ::std::swap;')\n has_nonrequired_fields = False\n for tfield in members:\n ttype = self._get_true_type(tfield.type)\n if tfield.req != e_req.required:\n has_nonrequired_fields = True\n out('swap(a.{0}, b.{0});'.format(tfield.name))\n if should_generate_isset:\n out('swap(a.__isset, b.__isset);')\n if struct_options.has_serialized_fields:\n out('swap(a.{0}, b.{0});'.format(\n self._serialized_fields_protocol_name))\n out('swap(a.{0}, b.{0});'.format(\n self._serialized_fields_name))\n\n # ======================================================================\n # DESERIALIZATION CODE\n # ======================================================================\n\n def _generate_struct_reader(self, scope, obj,\n pointers=False, has_isset=True):\n if self.flag_optionals:\n has_isset = False\n this = 'this'\n if self.flag_compatibility:\n this = 'obj'\n name = '{0}_read'.format(obj.name)\n d = scope.defn('template <class Protocol_>\\n' +\n 'uint32_t {name}(Protocol_* iprot, ' + obj.name +\n '* obj)',\n name=name,\n output=self._out_tcc)\n else:\n d = scope.defn('template <class Protocol_>\\n'\n 'uint32_t {name}(Protocol_* iprot)', name='read',\n output=self._out_tcc)\n if obj.is_union:\n has_isset = False\n fields = obj.members\n\n struct_options = self._get_serialized_fields_options(obj)\n # s = scope of the read() function\n s = d.scope\n # Declare stack tmp variables\n s('uint32_t xfer = 0;')\n s('std::string fname;')\n s('apache::thrift::protocol::TType ftype;')\n s('int16_t fid;')\n s()\n s('xfer += iprot->readStructBegin(fname);')\n s()\n s('using apache::thrift::TProtocolException;')\n s()\n # Special handling for serialized fields\n if struct_options.has_serialized_fields:\n s('{0}->{1} = iprot->protocolType();'.format(\n this, self._serialized_fields_protocol_name))\n s('std::unique_ptr<folly::IOBuf> serialized;')\n # Required variables aren't in __isset, so we need tmp vars to\n # check them.\n req_fields = ifilter(lambda field: field.req == e_req.required,\n fields)\n for field in req_fields:\n s('bool isset_{0.name} = false;'.format(field))\n s()\n\n fields_scope = None\n if obj.is_union:\n # Unions only have one member set, so don't loop\n s('xfer += iprot->readFieldBegin(fname, ftype, fid);')\n s1 = s('if (ftype == apache::thrift::protocol::T_STOP)').scope\n s1(this + '->__clear();')\n s1.release()\n fields_scope = s1 = s.sameLine('else').scope\n else:\n # Loop over reading in fields\n s1 = s('while (true)').scope\n # Save the position before the field beginning\n if struct_options.has_serialized_fields:\n s1('auto fbegin = iprot->getCurrentPosition();')\n s1('bool fserialized = false;')\n # Read beginning field marker\n s1('xfer += iprot->readFieldBegin(fname, ftype, fid);')\n # Check for field STOP marker\n with s1('if (ftype == apache::thrift::protocol::T_STOP)'):\n out('break;')\n fields_scope = s\n\n with s1('if (fid == std::numeric_limits<int16_t>::min())'):\n cond_type = 'if'\n for field in fields:\n with s1('{0} (fname == \"{1}\")'.format(cond_type, field.name)):\n s1('fid = {0};'.format(field.key))\n s1('ftype = {0};'.format(self._type_to_enum(field.type)))\n cond_type = 'else if'\n\n # Switch statement on the field we are reading\n s2 = fields_scope('switch (fid)').scope\n # Generate deserialization code for known cases\n for field in fields:\n s3 = s2.case(field.key).scope\n if ('format' in field.annotations and\n field.annotations['format'] == 'serialized'):\n s3('fserialized = true;')\n s3('xfer += iprot->skip(ftype);')\n s3.release() # \"break;\"\n continue\n s4 = s3('if (ftype == {0})'.format(self._type_to_enum(\n field.type))).scope\n with s4:\n field_prefix = this + '->'\n field_suffix = ''\n if obj.is_union:\n s4(field_prefix + 'set_{0}();'.format(field.name))\n field_prefix += 'mutable_'\n field_suffix = '()'\n if pointers and not field.type.is_xception:\n # This is only used for read pargs, so a const-cast is okay\n # since the struct is exposed in generated code only.\n self._generate_deserialize_field(\n s4, field,\n '(*const_cast<{0}*>('.format(\n self._type_name(field.type)) +\n field_prefix,\n field_suffix + '))')\n else:\n self._generate_deserialize_field(s4, field, field_prefix,\n field_suffix)\n if has_isset and self._has_isset(field):\n s4('{0}->__isset.{1} = true;'.format(this, field.name))\n elif field.req == e_req.required:\n s4('isset_{1} = true;'.format(this, field.name))\n with s3.sameLine('else'):\n out('xfer += iprot->skip(ftype);')\n # TODO(dreiss): Make this an option when thrift structs have a\n # common base class.\n # s4('throw TProtocolException(TProtocolException::'\n # 'INVALID_DATA);')\n s3.release() # \"break;\"\n # Default case\n with s2.case('default'):\n out('xfer += iprot->skip(ftype);')\n if struct_options.keep_unknown_fields:\n out('fserialized = true;')\n s2.release() # switch\n # Read field end marker\n s1('xfer += iprot->readFieldEnd();')\n # Eat the stop byte that terminates union content\n if obj.is_union:\n s1('xfer += iprot->readFieldBegin(fname, ftype, fid);')\n s1('xfer += iprot->readFieldEnd();')\n if struct_options.has_serialized_fields:\n with s1('if (fserialized)').scope:\n out('iprot->readFromPositionAndAppend(fbegin, serialized);')\n s1.release() # while(true)\n s('xfer += iprot->readStructEnd();')\n # Finalize serialized fields buffer if necessary\n if struct_options.has_serialized_fields:\n s()\n # Thrift is supposed to be called only with IOBuf that manage\n # underlying buffer. Thus it's safe to store IOBuf pointing to the\n # parts of original buffer inside the deserialized struct.\n # Note: it might be somewhat memory inefficient as we might be\n # pointing to a small chunk of the big buffer while keeping the\n # entire buffer around. However, the current implementation leaves\n # it to the application to call coalesce() on __serialized field\n # if necessary.\n with s('if (serialized)'):\n out(('{0}->{1} = std::move(serialized);').format(\n this, self._serialized_fields_name))\n # Throw if any required fields are missing.\n # We do this after reading the struct end so that there might possibly\n # be a chance of continuing.\n s()\n for field in filter(self._should_generate_field, fields):\n if not field.req == e_req.required:\n continue\n with s('if (!isset_{0.name})'.format(field)):\n out(('throw TProtocolException(TProtocolException::'\n 'MISSING_REQUIRED_FIELD, \"Required field \\'{0}\\' was not found'\n 'in serialized data! Struct: {1}\");').format(\n field.name, obj.name))\n s('return xfer;')\n s.release() # the function\n\n def _generate_deserialize_field(self, scope, field, prefix='', suffix=''):\n 'Deserializes a field of any type.'\n name = prefix + field.name + self._type_access_suffix(field.type) + \\\n suffix\n self._generate_deserialize_type(\n scope, field.type, name, self._is_reference(field),\n self._is_optional_wrapped(field))\n\n def _generate_deserialize_type(self, scope, otype, name,\n pointer=False, optional_wrapped=False):\n 'Deserializes a variable of any type.'\n ttype = self._get_true_type(otype)\n s = scope\n if ttype.is_void:\n raise TypeError('CANNOT GENERATE DESERIALIZE CODE FOR void TYPE: '\\\n + name)\n\n if ttype.is_struct or ttype.is_xception:\n self._generate_deserialize_struct(\n scope, otype, ttype.as_struct, name, pointer, optional_wrapped)\n elif ttype.is_container:\n self._generate_deserialize_container(scope, ttype.as_container,\n name, otype, optional_wrapped)\n elif ttype.is_base_type:\n if optional_wrapped:\n # assign a new default-constructed value into the Optional\n s('{0} = {1}();'.format(name, self._type_name(ttype)))\n btype = ttype.as_base_type\n base = btype.base\n if base == t_base.void:\n raise CompilerError(\"Cannot deserialize void field in a \"\n \"struct: \" + name)\n elif base == t_base.string:\n if btype.is_binary:\n txt = 'readBinary({0})'\n else:\n txt = 'readString({0})'\n elif base == t_base.bool:\n txt = 'readBool({0})'\n elif base == t_base.byte:\n txt = 'readByte({0})'\n elif base == t_base.i16:\n txt = 'readI16({0})'\n elif base == t_base.i32:\n txt = 'readI32({0})'\n elif base == t_base.i64:\n txt = 'readI64({0})'\n elif base == t_base.double:\n txt = 'readDouble({0})'\n elif base == t_base.float:\n txt = 'readFloat({0})'\n else:\n raise CompilerError('No C++ reader for base type ' + \\\n btype.t_base_name(base) + name)\n dest = name\n if optional_wrapped:\n dest += \".value()\"\n txt = 'xfer += iprot->{0};'.format(txt.format(dest))\n s(txt)\n elif ttype.is_enum:\n t = self.tmp('ecast')\n s('int32_t {0};'.format(t))\n s('xfer += iprot->readI32({0});'.format(t))\n s('{0} = ({1}){2};'.format(name, self._type_name(ttype), t))\n else:\n raise TypeError((\"DO NOT KNOW HOW TO DESERIALIZE '{0}' \"\n \"TYPE {1}\").format(name, self._type_name(ttype)))\n\n def _generate_deserialize_struct(self, scope, otype, struct, prefix,\n pointer=False, optional_wrapped=False):\n if pointer:\n scope(\"{0} = std::unique_ptr<{1}>(new {1});\".format(\n prefix, self._type_name(otype)))\n scope('xfer += ::apache::thrift::Cpp2Ops< {0}>::read('\n 'iprot, {1}.get());'.format(\n self._type_name(otype), prefix))\n elif optional_wrapped:\n scope(\"{0} = std::move({1}());\".format(\n prefix, self._type_name(otype)))\n scope('xfer += ::apache::thrift::Cpp2Ops< {0}>::read('\n 'iprot, &{1}.value());'.format(\n self._type_name(otype), prefix))\n else:\n scope('xfer += ::apache::thrift::Cpp2Ops< {0}>::read('\n 'iprot, &{1});'.format(\n self._type_name(otype), prefix))\n\n def _generate_deserialize_container(self, scope, cont, prefix,\n otype, optional_wrapped):\n s = scope\n size = self.tmp('_size')\n ktype = self.tmp('_ktype')\n vtype = self.tmp('_vtype')\n etype = self.tmp('_etype')\n cpptype = self._cpp_type_name(cont)\n use_push = (cpptype is not None and 'list' in cpptype) \\\n or self._has_cpp_annotation(cont, 'template')\n\n s('{0} = std::move({1}());'.format(prefix, self._type_name(otype)))\n if optional_wrapped:\n cont_ref = \"{0}.value()\".format(prefix)\n else:\n cont_ref = prefix\n\n s('uint32_t {0};'.format(size))\n # Declare variables, read header\n if cont.is_map:\n s('apache::thrift::protocol::TType {0};'.format(ktype))\n s('apache::thrift::protocol::TType {0};'.format(vtype))\n s('xfer += iprot->readMapBegin({0}, {1}, {2});'.format(\n ktype, vtype, size))\n elif cont.is_set:\n s('apache::thrift::protocol::TType {0};'.format(etype))\n s('xfer += iprot->readSetBegin({0}, {1});'.format(etype, size))\n elif cont.is_list:\n s('apache::thrift::protocol::TType {0};'.format(etype))\n txt = 'xfer += iprot->readListBegin({0}, {1});'.format(etype, size)\n s(txt)\n # For loop iterates over elements\n i = self.tmp('_i')\n s('uint32_t {0};'.format(i))\n\n with s('if ({0} == {1})'\n .format(size, 'std::numeric_limits<uint32_t>::max()')):\n peek = 'false'\n if cont.is_map:\n peek = 'iprot->peekMap()'\n elif cont.is_set:\n peek = 'iprot->peekSet()'\n elif cont.is_list:\n peek = 'iprot->peekList()'\n\n with s('for ({0} = 0; {1}; {0}++)'.format(i, peek)):\n if cont.is_map:\n self._generate_deserialize_map_element(\n out(), cont.as_map, cont_ref)\n elif cont.is_set:\n self._generate_deserialize_set_element(\n out(), cont.as_set, cont_ref)\n elif cont.is_list:\n if not use_push:\n s('{0}.resize({1} + 1);'.format(cont_ref, i))\n self._generate_deserialize_list_element(out(), cont.as_list,\n cont_ref, use_push,\n i)\n with s('else'):\n if cont.is_list and not use_push:\n s('{0}.resize({1});'.format(cont_ref, size))\n elif ((cont.is_map and cont.as_map.is_unordered) or\n (cont.is_set and cont.as_set.is_unordered)):\n s('{0}.reserve({1});'.format(cont_ref, size))\n with s('for ({0} = 0; {0} < {1}; ++{0})'.format(i, size)):\n if cont.is_map:\n self._generate_deserialize_map_element(\n out(), cont.as_map, cont_ref)\n elif cont.is_set:\n self._generate_deserialize_set_element(\n out(), cont.as_set, cont_ref)\n elif cont.is_list:\n self._generate_deserialize_list_element(out(), cont.as_list,\n cont_ref, use_push,\n i)\n # Read container end\n if cont.is_map:\n s('xfer += iprot->readMapEnd();')\n elif cont.is_set:\n s('xfer += iprot->readSetEnd();')\n elif cont.is_list:\n s('xfer += iprot->readListEnd();')\n\n def _generate_deserialize_map_element(self, scope, tmap, prefix):\n 'Generates code to deserialize a map'\n key = self.tmp('_key')\n val = self.tmp('_val')\n fkey = frontend.t_field(tmap.key_type, key)\n fval = frontend.t_field(tmap.value_type, val)\n scope(self._declare_field(fkey))\n self._generate_deserialize_field(scope, fkey)\n scope('{0} = {1}[std::move({2})];'.format(\n self._declare_field(fval, reference=True), prefix, key))\n self._generate_deserialize_field(scope, fval)\n\n def _generate_deserialize_set_element(self, scope, tset, prefix):\n elem = self.tmp('_elem')\n felem = frontend.t_field(tset.elem_type, elem)\n scope(self._declare_field(felem))\n self._generate_deserialize_field(scope, felem)\n scope('{0}.insert(std::move({1}));'.format(prefix, elem))\n\n def _generate_deserialize_list_element(self, scope, tlist, prefix,\n use_push, index):\n if use_push:\n elem = self.tmp('_elem')\n felem = frontend.t_field(tlist.elem_type, elem)\n scope(self._declare_field(felem))\n self._generate_deserialize_field(scope, felem)\n scope('{0}.push_back(std::move({1}));'.format(prefix, elem))\n else:\n felem = frontend.t_field(tlist.elem_type, '{0}[{1}]'.format(prefix,\n index))\n self._generate_deserialize_field(scope, felem)\n\n # ======================================================================\n # SERIALIZATION CODE\n # ======================================================================\n\n def _generate_struct_compute_length(self, scope, obj,\n pointers=False,\n result=False,\n zero_copy=False):\n method = \"serializedSizeZC\" if zero_copy else \"serializedSize\"\n this = 'this'\n if self.flag_compatibility:\n this = 'obj'\n name = '{0}_{1}'.format(obj.name, method)\n d = scope.defn('template <class Protocol_>\\n' +\n 'uint32_t {name}(Protocol_* prot_, const ' +\n obj.name + '* obj)',\n name=name,\n output=self._out_tcc)\n else:\n d = scope.defn('template <class Protocol_>\\n'\n 'uint32_t {name}(Protocol_* prot_) const',\n name=method,\n output=self._out_tcc)\n\n struct_options = self._get_serialized_fields_options(obj)\n\n s = d.scope\n if struct_options.has_serialized_fields:\n with s('if ({0}->{1} && '\n 'prot_->protocolType() != {0}->{2})'.format(\n this,\n self._serialized_fields_name,\n self._serialized_fields_protocol_name)):\n out('using apache::thrift::TProtocolException;')\n out('throw TProtocolException(TProtocolException::BAD_VERSION);')\n s('uint32_t xfer = 0;')\n s('xfer += prot_->serializedStructSize(\"{0}\");'.format(obj.name))\n\n # unions need a case statement to select which member is active\n s0 = s\n if obj.is_union:\n s = s0('switch({0}->getType())'.format(this)).scope\n\n first = True\n for field in filter(self._should_generate_field, obj.members):\n if self._is_reference(field):\n isset_expr_format = '{0}->{1}'\n elif self._is_optional_wrapped(field):\n isset_expr_format = '{0}->{1}.hasValue()'\n else:\n isset_expr_format = '{0}->__isset.{1}'\n\n isset_expr = isset_expr_format.format(this, field.name)\n\n if result == True:\n if first:\n first = False\n s1 = s('if ({0})'.format(isset_expr)).scope\n else:\n s1 = s('else if ({0})'.format(isset_expr)).scope\n elif field.req == e_req.optional:\n s1 = s('if ({0})'.format(isset_expr)).scope\n elif obj.is_union:\n s1 = s.case(obj.name + '::Type::' + field.name).scope\n elif self.flag_terse_writes and not field.req == e_req.required:\n s1 = self._try_terse_write(field, this, s, pointers)\n else:\n s1 = s\n\n # Add the size of field header + footer\n s1('xfer += prot_->serializedFieldSize(\"{0}\", {1}, {2});'\n ''.format(field.name, self._type_to_enum(field.type),\n field.key))\n # Add the sizes of field contents\n field_prefix = this + '->'\n field_suffix = ''\n if obj.is_union:\n field_prefix += 'get_'\n field_suffix = '()'\n if pointers and not field.type.is_xception:\n self._generate_serialize_field(\n s1, field,\n '(*const_cast<{0}*>('.format(\n self._type_name(field.type)) + field_prefix,\n field_suffix + '))',\n method=\"serializedSize\",\n struct_method=method,\n binary_method=method)\n else:\n self._generate_serialize_field(s1, field, field_prefix,\n field_suffix,\n method=\"serializedSize\",\n struct_method=method,\n binary_method=method)\n if s1 is not s:\n s1.release() # if this->__isset.{0}\n if s0 is not s:\n s('case ' + obj.name + '::Type::__EMPTY__:;')\n s.release()\n s = s0\n\n if struct_options.has_serialized_fields:\n s('xfer += prot_->serializedSizeSerializedData({0}->{1});'\n .format(this, self._serialized_fields_name))\n s('xfer += prot_->serializedSizeStop();')\n s('return xfer;')\n s.release()\n\n def _try_terse_write(self, field, this, s, pointers):\n 'Generates a terse write predicate for unspecified field, if possible'\n t = self._get_true_type(field.type)\n # Not possible for void/struct/exception.\n if t.is_void or t.is_struct or t.is_xception:\n return s\n\n # Terse write is unsafe to use without explicitly setting default\n # value as in PHP / Python that would change result of deserialization\n # (comparing with the case when terse_writes is not used): field set\n # in C++ to default value would be deserialized as null / None.\n if self.safe_terse_writes and field.value is None:\n return s\n\n cmpval = (('(*' + this + '->{0})') if pointers else\n ('' + this + '->{0}')).format(field.name)\n\n # For strings, containers - only support predicate if default\n # value is empty.\n if t.is_string:\n if not field.value or len(field.value.string) == 0:\n return s('if (!apache::thrift::StringTraits< {0}>::'\n 'isEmpty({1}))'.format(\n self._type_name(t), cmpval)).scope\n else:\n return s\n\n if t.is_container:\n if not field.value: # only support empty default.\n return s('if (!{0}.empty())'.format(cmpval)).scope\n else:\n return s # Otherwise, no terse_write possible\n\n # For base type/enum, check vs. default const value.\n if t.is_base_type or t.is_enum:\n return s('if ({0} != {1})'.format(\n cmpval, self._member_default_value(field,\n explicit=True))).scope\n return s\n\n def _generate_struct_writer(self, scope, obj, pointers=False,\n result=False):\n 'Generates the write function.'\n this = 'this'\n if self.flag_compatibility:\n this = 'obj'\n name = '{0}_write'.format(obj.name)\n d = scope.defn('template <class Protocol_>\\n' +\n 'uint32_t {name}(Protocol_* prot_, const ' +\n obj.name + '* obj)',\n name=name,\n output=self._out_tcc)\n else:\n d = scope.defn('template <class Protocol_>\\nuint32_t {name}'\n '(Protocol_* prot_) const', name='write',\n output=self._out_tcc)\n s = d.scope\n name = obj.name\n fields = filter(self._should_generate_field, obj.members)\n\n struct_options = self._get_serialized_fields_options(obj)\n\n if struct_options.has_serialized_fields:\n with s('if ({0}->{1} && '\n 'Protocol_::protocolType() != {0}->{2})'.format(\n this,\n self._serialized_fields_name,\n self._serialized_fields_protocol_name)).scope:\n out('using apache::thrift::TProtocolException;')\n out('throw TProtocolException(TProtocolException::BAD_VERSION);')\n\n s('uint32_t xfer = 0;')\n s('xfer += prot_->writeStructBegin(\"{0}\");'.format(name))\n\n # unions need a case statement to select which member is active\n s0 = s\n if obj.is_union:\n s = s0('switch({0}->getType())'.format(this)).scope\n\n first = True\n for field in fields:\n if self._is_reference(field):\n isset_expr_format = '{0}->{1}'\n elif self._is_optional_wrapped(field):\n isset_expr_format = '{0}->{1}.hasValue()'\n else:\n isset_expr_format = '{0}->__isset.{1}'\n\n isset_expr = isset_expr_format.format(this, field.name)\n\n if result == True:\n if first:\n first = False\n s1 = s('if ({0})'.format(isset_expr)).scope\n else:\n s1 = s('else if ({0})'.format(isset_expr)).scope\n elif field.req == e_req.optional:\n s1 = s('if ({0})'.format(isset_expr)).scope\n elif obj.is_union:\n s1 = s.case(obj.name + '::Type::' + field.name).scope\n elif self.flag_terse_writes and not field.req == e_req.required:\n s1 = self._try_terse_write(field, this, s, pointers)\n else:\n s1 = s\n # Write field header\n s1('xfer += prot_->writeFieldBegin(\"{0}\", {1}, {2});'.format(\n field.name, self._type_to_enum(field.type), field.key))\n # Write field contents\n field_prefix = this + '->'\n field_suffix = ''\n if obj.is_union:\n field_prefix += 'get_'\n field_suffix = '()'\n if pointers and not field.type.is_xception:\n self._generate_serialize_field(\n s1, field,\n '(*const_cast<{0}*>('.format(\n self._type_name(field.type)) + field_prefix,\n field_suffix + '))')\n else:\n self._generate_serialize_field(s1, field, field_prefix,\n field_suffix)\n # Write field closer\n s1('xfer += prot_->writeFieldEnd();')\n if s1 is not s:\n s1.release() # if this->_isset.{0}\n if s0 is not s:\n s('case ' + obj.name + '::Type::__EMPTY__:;')\n s.release()\n s = s0\n # Flush any fields stored in serialized form\n if struct_options.has_serialized_fields:\n s('xfer += prot_->writeSerializedData({0}->{1});'.format(\n this, self._serialized_fields_name))\n # Write the struct map\n s('xfer += prot_->writeFieldStop();')\n s('xfer += prot_->writeStructEnd();')\n s('return xfer;')\n s.release() # the function\n\n def _generate_serialize_field(self, scope, tfield, prefix='', suffix='',\n method='write',\n struct_method=None,\n binary_method=None):\n 'Serializes a field of any type.'\n name = prefix + tfield.name + self._type_access_suffix(tfield.type) + \\\n suffix\n pointer = self._is_reference(tfield)\n self._generate_serialize_type(scope, tfield.type, name,\n self._is_optional_wrapped(tfield),\n method,\n struct_method, binary_method, pointer)\n\n def _generate_serialize_type(self, scope, otype, name,\n is_optional_wrapped,\n method='write',\n struct_method=None,\n binary_method=None,\n pointer=False):\n 'Serializes a variable of any type.'\n ttype = self._get_true_type(otype)\n if struct_method is None:\n struct_method = method\n if binary_method is None:\n binary_method = method\n\n val_expr = name\n if is_optional_wrapped:\n val_expr += \".value()\"\n\n # Do nothing for void types\n if ttype.is_void:\n raise TypeError('CANNOT GENERATE SERIALIZE CODE FOR void TYPE: '\\\n + name)\n if ttype.is_struct or ttype.is_xception:\n self._generate_serialize_struct(scope, otype, ttype.as_struct,\n val_expr,\n struct_method, pointer)\n elif ttype.is_container:\n self._generate_serialize_container(scope, ttype.as_container,\n val_expr,\n method,\n struct_method=struct_method,\n binary_method=binary_method)\n elif ttype.is_base_type:\n btype = ttype.as_base_type\n base = btype.base\n if base == t_base.void:\n raise CompilerError('Cannot serialize void field in a '\n 'struct: ' + name)\n elif base == t_base.string:\n if btype.is_binary:\n txt = '{binary_method}Binary({name});'\n else:\n txt = '{method}String({val_expr});'\n elif base == t_base.bool:\n txt = '{method}Bool({val_expr});'\n elif base == t_base.byte:\n txt = '{method}Byte({val_expr});'\n elif base == t_base.i16:\n txt = '{method}I16({val_expr});'\n elif base == t_base.i32:\n txt = '{method}I32({val_expr});'\n elif base == t_base.i64:\n txt = '{method}I64({val_expr});'\n elif base == t_base.double:\n txt = '{method}Double({val_expr});'\n elif base == t_base.float:\n txt = '{method}Float({val_expr});'\n else:\n raise CompilerError('No C++ writer for base type ' + \\\n btype.t_base_name(base) + name)\n txt = 'xfer += prot_->' + txt.format(name, **locals())\n scope(txt)\n elif ttype.is_enum:\n scope('xfer += prot_->{0}I32((int32_t){1});'\n .format(method, val_expr))\n else:\n raise TypeError((\"DO NOT KNOW HOW TO SERIALIZE '{0}' \"\n \"TYPE {1}\").format(name, self._type_name(ttype)))\n\n def _generate_serialize_struct(self, scope, otype, tstruct, prefix='',\n method='write', pointer=False):\n if pointer:\n with scope('if ({0})'.format(prefix)):\n out('xfer += ::apache::thrift::Cpp2Ops< {0}>::{1}('\n 'prot_, {2}.get());'.format(\n self._type_name(otype),\n method,\n prefix))\n with scope('else'):\n out('prot_->writeStructBegin(\\\"{0}\\\");"},"domain":{"kind":"string","value":"codeparrot/github-code-clean"}}},{"rowIdx":227799,"cells":{"text":{"kind":"string","value":"# coding: utf-8\n\"\"\"\nPackage resource API\n--------------------\n\nA resource is a logical file contained within a package, or a logical\nsubdirectory thereof. The package resource API expects resource names\nto have their path parts separated with ``/``, *not* whatever the local\npath separator is. Do not use os.path operations to manipulate resource\nnames being passed into the API.\n\nThe package resource API is designed to work with normal filesystem packages,\n.egg files, and unpacked .egg files. It can also work in a limited way with\n.zip files and with custom PEP 302 loaders that support the ``get_data()``\nmethod.\n\"\"\"\n\nfrom __future__ import absolute_import\n\nimport sys\nimport os\nimport io\nimport time\nimport re\nimport types\nimport zipfile\nimport zipimport\nimport warnings\nimport stat\nimport functools\nimport pkgutil\nimport operator\nimport platform\nimport collections\nimport plistlib\nimport email.parser\nimport errno\nimport tempfile\nimport textwrap\nimport itertools\nimport inspect\nfrom pkgutil import get_importer\n\ntry:\n import _imp\nexcept ImportError:\n # Python 3.2 compatibility\n import imp as _imp\n\ntry:\n FileExistsError\nexcept NameError:\n FileExistsError = OSError\n\nfrom pip._vendor import six\nfrom pip._vendor.six.moves import urllib, map, filter\n\n# capture these to bypass sandboxing\nfrom os import utime\ntry:\n from os import mkdir, rename, unlink\n WRITE_SUPPORT = True\nexcept ImportError:\n # no write support, probably under GAE\n WRITE_SUPPORT = False\n\nfrom os import open as os_open\nfrom os.path import isdir, split\n\ntry:\n import importlib.machinery as importlib_machinery\n # access attribute to force import under delayed import mechanisms.\n importlib_machinery.__name__\nexcept ImportError:\n importlib_machinery = None\n\nfrom . import py31compat\nfrom pip._vendor import appdirs\nfrom pip._vendor import packaging\n__import__('pip._vendor.packaging.version')\n__import__('pip._vendor.packaging.specifiers')\n__import__('pip._vendor.packaging.requirements')\n__import__('pip._vendor.packaging.markers')\n\n\n__metaclass__ = type\n\n\nif (3, 0) < sys.version_info < (3, 4):\n raise RuntimeError(\"Python 3.4 or later is required\")\n\nif six.PY2:\n # Those builtin exceptions are only defined in Python 3\n PermissionError = None\n NotADirectoryError = None\n\n# declare some globals that will be defined later to\n# satisfy the linters.\nrequire = None\nworking_set = None\nadd_activation_listener = None\nresources_stream = None\ncleanup_resources = None\nresource_dir = None\nresource_stream = None\nset_extraction_path = None\nresource_isdir = None\nresource_string = None\niter_entry_points = None\nresource_listdir = None\nresource_filename = None\nresource_exists = None\n_distribution_finders = None\n_namespace_handlers = None\n_namespace_packages = None\n\n\nclass PEP440Warning(RuntimeWarning):\n \"\"\"\n Used when there is an issue with a version or specifier not complying with\n PEP 440.\n \"\"\"\n\n\ndef parse_version(v):\n try:\n return packaging.version.Version(v)\n except packaging.version.InvalidVersion:\n return packaging.version.LegacyVersion(v)\n\n\n_state_vars = {}\n\n\ndef _declare_state(vartype, **kw):\n globals().update(kw)\n _state_vars.update(dict.fromkeys(kw, vartype))\n\n\ndef __getstate__():\n state = {}\n g = globals()\n for k, v in _state_vars.items():\n state[k] = g['_sget_' + v](g[k])\n return state\n\n\ndef __setstate__(state):\n g = globals()\n for k, v in state.items():\n g['_sset_' + _state_vars[k]](k, g[k], v)\n return state\n\n\ndef _sget_dict(val):\n return val.copy()\n\n\ndef _sset_dict(key, ob, state):\n ob.clear()\n ob.update(state)\n\n\ndef _sget_object(val):\n return val.__getstate__()\n\n\ndef _sset_object(key, ob, state):\n ob.__setstate__(state)\n\n\n_sget_none = _sset_none = lambda *args: None\n\n\ndef get_supported_platform():\n \"\"\"Return this platform's maximum compatible version.\n\n distutils.util.get_platform() normally reports the minimum version\n of Mac OS X that would be required to *use* extensions produced by\n distutils. But what we want when checking compatibility is to know the\n version of Mac OS X that we are *running*. To allow usage of packages that\n explicitly require a newer version of Mac OS X, we must also know the\n current version of the OS.\n\n If this condition occurs for any other platform with a version in its\n platform strings, this function should be extended accordingly.\n \"\"\"\n plat = get_build_platform()\n m = macosVersionString.match(plat)\n if m is not None and sys.platform == \"darwin\":\n try:\n plat = 'macosx-%s-%s' % ('.'.join(_macosx_vers()[:2]), m.group(3))\n except ValueError:\n # not Mac OS X\n pass\n return plat\n\n\n__all__ = [\n # Basic resource access and distribution/entry point discovery\n 'require', 'run_script', 'get_provider', 'get_distribution',\n 'load_entry_point', 'get_entry_map', 'get_entry_info',\n 'iter_entry_points',\n 'resource_string', 'resource_stream', 'resource_filename',\n 'resource_listdir', 'resource_exists', 'resource_isdir',\n\n # Environmental control\n 'declare_namespace', 'working_set', 'add_activation_listener',\n 'find_distributions', 'set_extraction_path', 'cleanup_resources',\n 'get_default_cache',\n\n # Primary implementation classes\n 'Environment', 'WorkingSet', 'ResourceManager',\n 'Distribution', 'Requirement', 'EntryPoint',\n\n # Exceptions\n 'ResolutionError', 'VersionConflict', 'DistributionNotFound',\n 'UnknownExtra', 'ExtractionError',\n\n # Warnings\n 'PEP440Warning',\n\n # Parsing functions and string utilities\n 'parse_requirements', 'parse_version', 'safe_name', 'safe_version',\n 'get_platform', 'compatible_platforms', 'yield_lines', 'split_sections',\n 'safe_extra', 'to_filename', 'invalid_marker', 'evaluate_marker',\n\n # filesystem utilities\n 'ensure_directory', 'normalize_path',\n\n # Distribution \"precedence\" constants\n 'EGG_DIST', 'BINARY_DIST', 'SOURCE_DIST', 'CHECKOUT_DIST', 'DEVELOP_DIST',\n\n # \"Provider\" interfaces, implementations, and registration/lookup APIs\n 'IMetadataProvider', 'IResourceProvider', 'FileMetadata',\n 'PathMetadata', 'EggMetadata', 'EmptyProvider', 'empty_provider',\n 'NullProvider', 'EggProvider', 'DefaultProvider', 'ZipProvider',\n 'register_finder', 'register_namespace_handler', 'register_loader_type',\n 'fixup_namespace_packages', 'get_importer',\n\n # Deprecated/backward compatibility only\n 'run_main', 'AvailableDistributions',\n]\n\n\nclass ResolutionError(Exception):\n \"\"\"Abstract base for dependency resolution errors\"\"\"\n\n def __repr__(self):\n return self.__class__.__name__ + repr(self.args)\n\n\nclass VersionConflict(ResolutionError):\n \"\"\"\n An already-installed version conflicts with the requested version.\n\n Should be initialized with the installed Distribution and the requested\n Requirement.\n \"\"\"\n\n _template = \"{self.dist} is installed but {self.req} is required\"\n\n @property\n def dist(self):\n return self.args[0]\n\n @property\n def req(self):\n return self.args[1]\n\n def report(self):\n return self._template.format(**locals())\n\n def with_context(self, required_by):\n \"\"\"\n If required_by is non-empty, return a version of self that is a\n ContextualVersionConflict.\n \"\"\"\n if not required_by:\n return self\n args = self.args + (required_by,)\n return ContextualVersionConflict(*args)\n\n\nclass ContextualVersionConflict(VersionConflict):\n \"\"\"\n A VersionConflict that accepts a third parameter, the set of the\n requirements that required the installed Distribution.\n \"\"\"\n\n _template = VersionConflict._template + ' by {self.required_by}'\n\n @property\n def required_by(self):\n return self.args[2]\n\n\nclass DistributionNotFound(ResolutionError):\n \"\"\"A requested distribution was not found\"\"\"\n\n _template = (\"The '{self.req}' distribution was not found \"\n \"and is required by {self.requirers_str}\")\n\n @property\n def req(self):\n return self.args[0]\n\n @property\n def requirers(self):\n return self.args[1]\n\n @property\n def requirers_str(self):\n if not self.requirers:\n return 'the application'\n return ', '.join(self.requirers)\n\n def report(self):\n return self._template.format(**locals())\n\n def __str__(self):\n return self.report()\n\n\nclass UnknownExtra(ResolutionError):\n \"\"\"Distribution doesn't have an \"extra feature\" of the given name\"\"\"\n\n\n_provider_factories = {}\n\nPY_MAJOR = sys.version[:3]\nEGG_DIST = 3\nBINARY_DIST = 2\nSOURCE_DIST = 1\nCHECKOUT_DIST = 0\nDEVELOP_DIST = -1\n\n\ndef register_loader_type(loader_type, provider_factory):\n \"\"\"Register `provider_factory` to make providers for `loader_type`\n\n `loader_type` is the type or class of a PEP 302 ``module.__loader__``,\n and `provider_factory` is a function that, passed a *module* object,\n returns an ``IResourceProvider`` for that module.\n \"\"\"\n _provider_factories[loader_type] = provider_factory\n\n\ndef get_provider(moduleOrReq):\n \"\"\"Return an IResourceProvider for the named module or requirement\"\"\"\n if isinstance(moduleOrReq, Requirement):\n return working_set.find(moduleOrReq) or require(str(moduleOrReq))[0]\n try:\n module = sys.modules[moduleOrReq]\n except KeyError:\n __import__(moduleOrReq)\n module = sys.modules[moduleOrReq]\n loader = getattr(module, '__loader__', None)\n return _find_adapter(_provider_factories, loader)(module)\n\n\ndef _macosx_vers(_cache=[]):\n if not _cache:\n version = platform.mac_ver()[0]\n # fallback for MacPorts\n if version == '':\n plist = '/System/Library/CoreServices/SystemVersion.plist'\n if os.path.exists(plist):\n if hasattr(plistlib, 'readPlist'):\n plist_content = plistlib.readPlist(plist)\n if 'ProductVersion' in plist_content:\n version = plist_content['ProductVersion']\n\n _cache.append(version.split('.'))\n return _cache[0]\n\n\ndef _macosx_arch(machine):\n return {'PowerPC': 'ppc', 'Power_Macintosh': 'ppc'}.get(machine, machine)\n\n\ndef get_build_platform():\n \"\"\"Return this platform's string for platform-specific distributions\n\n XXX Currently this is the same as ``distutils.util.get_platform()``, but it\n needs some hacks for Linux and Mac OS X.\n \"\"\"\n from sysconfig import get_platform\n\n plat = get_platform()\n if sys.platform == \"darwin\" and not plat.startswith('macosx-'):\n try:\n version = _macosx_vers()\n machine = os.uname()[4].replace(\" \", \"_\")\n return \"macosx-%d.%d-%s\" % (\n int(version[0]), int(version[1]),\n _macosx_arch(machine),\n )\n except ValueError:\n # if someone is running a non-Mac darwin system, this will fall\n # through to the default implementation\n pass\n return plat\n\n\nmacosVersionString = re.compile(r\"macosx-(\\d+)\\.(\\d+)-(.*)\")\ndarwinVersionString = re.compile(r\"darwin-(\\d+)\\.(\\d+)\\.(\\d+)-(.*)\")\n# XXX backward compat\nget_platform = get_build_platform\n\n\ndef compatible_platforms(provided, required):\n \"\"\"Can code for the `provided` platform run on the `required` platform?\n\n Returns true if either platform is ``None``, or the platforms are equal.\n\n XXX Needs compatibility checks for Linux and other unixy OSes.\n \"\"\"\n if provided is None or required is None or provided == required:\n # easy case\n return True\n\n # Mac OS X special cases\n reqMac = macosVersionString.match(required)\n if reqMac:\n provMac = macosVersionString.match(provided)\n\n # is this a Mac package?\n if not provMac:\n # this is backwards compatibility for packages built before\n # setuptools 0.6. All packages built after this point will\n # use the new macosx designation.\n provDarwin = darwinVersionString.match(provided)\n if provDarwin:\n dversion = int(provDarwin.group(1))\n macosversion = \"%s.%s\" % (reqMac.group(1), reqMac.group(2))\n if dversion == 7 and macosversion >= \"10.3\" or \\\n dversion == 8 and macosversion >= \"10.4\":\n return True\n # egg isn't macosx or legacy darwin\n return False\n\n # are they the same major version and machine type?\n if provMac.group(1) != reqMac.group(1) or \\\n provMac.group(3) != reqMac.group(3):\n return False\n\n # is the required OS major update >= the provided one?\n if int(provMac.group(2)) > int(reqMac.group(2)):\n return False\n\n return True\n\n # XXX Linux and other platforms' special cases should go here\n return False\n\n\ndef run_script(dist_spec, script_name):\n \"\"\"Locate distribution `dist_spec` and run its `script_name` script\"\"\"\n ns = sys._getframe(1).f_globals\n name = ns['__name__']\n ns.clear()\n ns['__name__'] = name\n require(dist_spec)[0].run_script(script_name, ns)\n\n\n# backward compatibility\nrun_main = run_script\n\n\ndef get_distribution(dist):\n \"\"\"Return a current distribution object for a Requirement or string\"\"\"\n if isinstance(dist, six.string_types):\n dist = Requirement.parse(dist)\n if isinstance(dist, Requirement):\n dist = get_provider(dist)\n if not isinstance(dist, Distribution):\n raise TypeError(\"Expected string, Requirement, or Distribution\", dist)\n return dist\n\n\ndef load_entry_point(dist, group, name):\n \"\"\"Return `name` entry point of `group` for `dist` or raise ImportError\"\"\"\n return get_distribution(dist).load_entry_point(group, name)\n\n\ndef get_entry_map(dist, group=None):\n \"\"\"Return the entry point map for `group`, or the full entry map\"\"\"\n return get_distribution(dist).get_entry_map(group)\n\n\ndef get_entry_info(dist, group, name):\n \"\"\"Return the EntryPoint object for `group`+`name`, or ``None``\"\"\"\n return get_distribution(dist).get_entry_info(group, name)\n\n\nclass IMetadataProvider:\n def has_metadata(name):\n \"\"\"Does the package's distribution contain the named metadata?\"\"\"\n\n def get_metadata(name):\n \"\"\"The named metadata resource as a string\"\"\"\n\n def get_metadata_lines(name):\n \"\"\"Yield named metadata resource as list of non-blank non-comment lines\n\n Leading and trailing whitespace is stripped from each line, and lines\n with ``#`` as the first non-blank character are omitted.\"\"\"\n\n def metadata_isdir(name):\n \"\"\"Is the named metadata a directory? (like ``os.path.isdir()``)\"\"\"\n\n def metadata_listdir(name):\n \"\"\"List of metadata names in the directory (like ``os.listdir()``)\"\"\"\n\n def run_script(script_name, namespace):\n \"\"\"Execute the named script in the supplied namespace dictionary\"\"\"\n\n\nclass IResourceProvider(IMetadataProvider):\n \"\"\"An object that provides access to package resources\"\"\"\n\n def get_resource_filename(manager, resource_name):\n \"\"\"Return a true filesystem path for `resource_name`\n\n `manager` must be an ``IResourceManager``\"\"\"\n\n def get_resource_stream(manager, resource_name):\n \"\"\"Return a readable file-like object for `resource_name`\n\n `manager` must be an ``IResourceManager``\"\"\"\n\n def get_resource_string(manager, resource_name):\n \"\"\"Return a string containing the contents of `resource_name`\n\n `manager` must be an ``IResourceManager``\"\"\"\n\n def has_resource(resource_name):\n \"\"\"Does the package contain the named resource?\"\"\"\n\n def resource_isdir(resource_name):\n \"\"\"Is the named resource a directory? (like ``os.path.isdir()``)\"\"\"\n\n def resource_listdir(resource_name):\n \"\"\"List of resource names in the directory (like ``os.listdir()``)\"\"\"\n\n\nclass WorkingSet:\n \"\"\"A collection of active distributions on sys.path (or a similar list)\"\"\"\n\n def __init__(self, entries=None):\n \"\"\"Create working set from list of path entries (default=sys.path)\"\"\"\n self.entries = []\n self.entry_keys = {}\n self.by_key = {}\n self.callbacks = []\n\n if entries is None:\n entries = sys.path\n\n for entry in entries:\n self.add_entry(entry)\n\n @classmethod\n def _build_master(cls):\n \"\"\"\n Prepare the master working set.\n \"\"\"\n ws = cls()\n try:\n from __main__ import __requires__\n except ImportError:\n # The main program does not list any requirements\n return ws\n\n # ensure the requirements are met\n try:\n ws.require(__requires__)\n except VersionConflict:\n return cls._build_from_requirements(__requires__)\n\n return ws\n\n @classmethod\n def _build_from_requirements(cls, req_spec):\n \"\"\"\n Build a working set from a requirement spec. Rewrites sys.path.\n \"\"\"\n # try it without defaults already on sys.path\n # by starting with an empty path\n ws = cls([])\n reqs = parse_requirements(req_spec)\n dists = ws.resolve(reqs, Environment())\n for dist in dists:\n ws.add(dist)\n\n # add any missing entries from sys.path\n for entry in sys.path:\n if entry not in ws.entries:\n ws.add_entry(entry)\n\n # then copy back to sys.path\n sys.path[:] = ws.entries\n return ws\n\n def add_entry(self, entry):\n \"\"\"Add a path item to ``.entries``, finding any distributions on it\n\n ``find_distributions(entry, True)`` is used to find distributions\n corresponding to the path entry, and they are added. `entry` is\n always appended to ``.entries``, even if it is already present.\n (This is because ``sys.path`` can contain the same value more than\n once, and the ``.entries`` of the ``sys.path`` WorkingSet should always\n equal ``sys.path``.)\n \"\"\"\n self.entry_keys.setdefault(entry, [])\n self.entries.append(entry)\n for dist in find_distributions(entry, True):\n self.add(dist, entry, False)\n\n def __contains__(self, dist):\n \"\"\"True if `dist` is the active distribution for its project\"\"\"\n return self.by_key.get(dist.key) == dist\n\n def find(self, req):\n \"\"\"Find a distribution matching requirement `req`\n\n If there is an active distribution for the requested project, this\n returns it as long as it meets the version requirement specified by\n `req`. But, if there is an active distribution for the project and it\n does *not* meet the `req` requirement, ``VersionConflict`` is raised.\n If there is no active distribution for the requested project, ``None``\n is returned.\n \"\"\"\n dist = self.by_key.get(req.key)\n if dist is not None and dist not in req:\n # XXX add more info\n raise VersionConflict(dist, req)\n return dist\n\n def iter_entry_points(self, group, name=None):\n \"\"\"Yield entry point objects from `group` matching `name`\n\n If `name` is None, yields all entry points in `group` from all\n distributions in the working set, otherwise only ones matching\n both `group` and `name` are yielded (in distribution order).\n \"\"\"\n return (\n entry\n for dist in self\n for entry in dist.get_entry_map(group).values()\n if name is None or name == entry.name\n )\n\n def run_script(self, requires, script_name):\n \"\"\"Locate distribution for `requires` and run `script_name` script\"\"\"\n ns = sys._getframe(1).f_globals\n name = ns['__name__']\n ns.clear()\n ns['__name__'] = name\n self.require(requires)[0].run_script(script_name, ns)\n\n def __iter__(self):\n \"\"\"Yield distributions for non-duplicate projects in the working set\n\n The yield order is the order in which the items' path entries were\n added to the working set.\n \"\"\"\n seen = {}\n for item in self.entries:\n if item not in self.entry_keys:\n # workaround a cache issue\n continue\n\n for key in self.entry_keys[item]:\n if key not in seen:\n seen[key] = 1\n yield self.by_key[key]\n\n def add(self, dist, entry=None, insert=True, replace=False):\n \"\"\"Add `dist` to working set, associated with `entry`\n\n If `entry` is unspecified, it defaults to the ``.location`` of `dist`.\n On exit from this routine, `entry` is added to the end of the working\n set's ``.entries`` (if it wasn't already present).\n\n `dist` is only added to the working set if it's for a project that\n doesn't already have a distribution in the set, unless `replace=True`.\n If it's added, any callbacks registered with the ``subscribe()`` method\n will be called.\n \"\"\"\n if insert:\n dist.insert_on(self.entries, entry, replace=replace)\n\n if entry is None:\n entry = dist.location\n keys = self.entry_keys.setdefault(entry, [])\n keys2 = self.entry_keys.setdefault(dist.location, [])\n if not replace and dist.key in self.by_key:\n # ignore hidden distros\n return\n\n self.by_key[dist.key] = dist\n if dist.key not in keys:\n keys.append(dist.key)\n if dist.key not in keys2:\n keys2.append(dist.key)\n self._added_new(dist)\n\n def resolve(self, requirements, env=None, installer=None,\n replace_conflicting=False, extras=None):\n \"\"\"List all distributions needed to (recursively) meet `requirements`\n\n `requirements` must be a sequence of ``Requirement`` objects. `env`,\n if supplied, should be an ``Environment`` instance. If\n not supplied, it defaults to all distributions available within any\n entry or distribution in the working set. `installer`, if supplied,\n will be invoked with each requirement that cannot be met by an\n already-installed distribution; it should return a ``Distribution`` or\n ``None``.\n\n Unless `replace_conflicting=True`, raises a VersionConflict exception\n if\n any requirements are found on the path that have the correct name but\n the wrong version. Otherwise, if an `installer` is supplied it will be\n invoked to obtain the correct version of the requirement and activate\n it.\n\n `extras` is a list of the extras to be used with these requirements.\n This is important because extra requirements may look like `my_req;\n extra = \"my_extra\"`, which would otherwise be interpreted as a purely\n optional requirement. Instead, we want to be able to assert that these\n requirements are truly required.\n \"\"\"\n\n # set up the stack\n requirements = list(requirements)[::-1]\n # set of processed requirements\n processed = {}\n # key -> dist\n best = {}\n to_activate = []\n\n req_extras = _ReqExtras()\n\n # Mapping of requirement to set of distributions that required it;\n # useful for reporting info about conflicts.\n required_by = collections.defaultdict(set)\n\n while requirements:\n # process dependencies breadth-first\n req = requirements.pop(0)\n if req in processed:\n # Ignore cyclic or redundant dependencies\n continue\n\n if not req_extras.markers_pass(req, extras):\n continue\n\n dist = best.get(req.key)\n if dist is None:\n # Find the best distribution and add it to the map\n dist = self.by_key.get(req.key)\n if dist is None or (dist not in req and replace_conflicting):\n ws = self\n if env is None:\n if dist is None:\n env = Environment(self.entries)\n else:\n # Use an empty environment and workingset to avoid\n # any further conflicts with the conflicting\n # distribution\n env = Environment([])\n ws = WorkingSet([])\n dist = best[req.key] = env.best_match(\n req, ws, installer,\n replace_conflicting=replace_conflicting\n )\n if dist is None:\n requirers = required_by.get(req, None)\n raise DistributionNotFound(req, requirers)\n to_activate.append(dist)\n if dist not in req:\n # Oops, the \"best\" so far conflicts with a dependency\n dependent_req = required_by[req]\n raise VersionConflict(dist, req).with_context(dependent_req)\n\n # push the new requirements onto the stack\n new_requirements = dist.requires(req.extras)[::-1]\n requirements.extend(new_requirements)\n\n # Register the new requirements needed by req\n for new_requirement in new_requirements:\n required_by[new_requirement].add(req.project_name)\n req_extras[new_requirement] = req.extras\n\n processed[req] = True\n\n # return list of distros to activate\n return to_activate\n\n def find_plugins(\n self, plugin_env, full_env=None, installer=None, fallback=True):\n \"\"\"Find all activatable distributions in `plugin_env`\n\n Example usage::\n\n distributions, errors = working_set.find_plugins(\n Environment(plugin_dirlist)\n )\n # add plugins+libs to sys.path\n map(working_set.add, distributions)\n # display errors\n print('Could not load', errors)\n\n The `plugin_env` should be an ``Environment`` instance that contains\n only distributions that are in the project's \"plugin directory\" or\n directories. The `full_env`, if supplied, should be an ``Environment``\n contains all currently-available distributions. If `full_env` is not\n supplied, one is created automatically from the ``WorkingSet`` this\n method is called on, which will typically mean that every directory on\n ``sys.path`` will be scanned for distributions.\n\n `installer` is a standard installer callback as used by the\n ``resolve()`` method. The `fallback` flag indicates whether we should\n attempt to resolve older versions of a plugin if the newest version\n cannot be resolved.\n\n This method returns a 2-tuple: (`distributions`, `error_info`), where\n `distributions` is a list of the distributions found in `plugin_env`\n that were loadable, along with any other distributions that are needed\n to resolve their dependencies. `error_info` is a dictionary mapping\n unloadable plugin distributions to an exception instance describing the\n error that occurred. Usually this will be a ``DistributionNotFound`` or\n ``VersionConflict`` instance.\n \"\"\"\n\n plugin_projects = list(plugin_env)\n # scan project names in alphabetic order\n plugin_projects.sort()\n\n error_info = {}\n distributions = {}\n\n if full_env is None:\n env = Environment(self.entries)\n env += plugin_env\n else:\n env = full_env + plugin_env\n\n shadow_set = self.__class__([])\n # put all our entries in shadow_set\n list(map(shadow_set.add, self))\n\n for project_name in plugin_projects:\n\n for dist in plugin_env[project_name]:\n\n req = [dist.as_requirement()]\n\n try:\n resolvees = shadow_set.resolve(req, env, installer)\n\n except ResolutionError as v:\n # save error info\n error_info[dist] = v\n if fallback:\n # try the next older version of project\n continue\n else:\n # give up on this project, keep going\n break\n\n else:\n list(map(shadow_set.add, resolvees))\n distributions.update(dict.fromkeys(resolvees))\n\n # success, no need to try any more versions of this project\n break\n\n distributions = list(distributions)\n distributions.sort()\n\n return distributions, error_info\n\n def require(self, *requirements):\n \"\"\"Ensure that distributions matching `requirements` are activated\n\n `requirements` must be a string or a (possibly-nested) sequence\n thereof, specifying the distributions and versions required. The\n return value is a sequence of the distributions that needed to be\n activated to fulfill the requirements; all relevant distributions are\n included, even if they were already activated in this working set.\n \"\"\"\n needed = self.resolve(parse_requirements(requirements))\n\n for dist in needed:\n self.add(dist)\n\n return needed\n\n def subscribe(self, callback, existing=True):\n \"\"\"Invoke `callback` for all distributions\n\n If `existing=True` (default),\n call on all existing ones, as well.\n \"\"\"\n if callback in self.callbacks:\n return\n self.callbacks.append(callback)\n if not existing:\n return\n for dist in self:\n callback(dist)\n\n def _added_new(self, dist):\n for callback in self.callbacks:\n callback(dist)\n\n def __getstate__(self):\n return (\n self.entries[:], self.entry_keys.copy(), self.by_key.copy(),\n self.callbacks[:]\n )\n\n def __setstate__(self, e_k_b_c):\n entries, keys, by_key, callbacks = e_k_b_c\n self.entries = entries[:]\n self.entry_keys = keys.copy()\n self.by_key = by_key.copy()\n self.callbacks = callbacks[:]\n\n\nclass _ReqExtras(dict):\n \"\"\"\n Map each requirement to the extras that demanded it.\n \"\"\"\n\n def markers_pass(self, req, extras=None):\n \"\"\"\n Evaluate markers for req against each extra that\n demanded it.\n\n Return False if the req has a marker and fails\n evaluation. Otherwise, return True.\n \"\"\"\n extra_evals = (\n req.marker.evaluate({'extra': extra})\n for extra in self.get(req, ()) + (extras or (None,))\n )\n return not req.marker or any(extra_evals)\n\n\nclass Environment:\n \"\"\"Searchable snapshot of distributions on a search path\"\"\"\n\n def __init__(\n self, search_path=None, platform=get_supported_platform(),\n python=PY_MAJOR):\n \"\"\"Snapshot distributions available on a search path\n\n Any distributions found on `search_path` are added to the environment.\n `search_path` should be a sequence of ``sys.path`` items. If not\n supplied, ``sys.path`` is used.\n\n `platform` is an optional string specifying the name of the platform\n that platform-specific distributions must be compatible with. If\n unspecified, it defaults to the current platform. `python` is an\n optional string naming the desired version of Python (e.g. ``'3.6'``);\n it defaults to the current version.\n\n You may explicitly set `platform` (and/or `python`) to ``None`` if you\n wish to map *all* distributions, not just those compatible with the\n running platform or Python version.\n \"\"\"\n self._distmap = {}\n self.platform = platform\n self.python = python\n self.scan(search_path)\n\n def can_add(self, dist):\n \"\"\"Is distribution `dist` acceptable for this environment?\n\n The distribution must match the platform and python version\n requirements specified when this environment was created, or False\n is returned.\n \"\"\"\n py_compat = (\n self.python is None\n or dist.py_version is None\n or dist.py_version == self.python\n )\n return py_compat and compatible_platforms(dist.platform, self.platform)\n\n def remove(self, dist):\n \"\"\"Remove `dist` from the environment\"\"\"\n self._distmap[dist.key].remove(dist)\n\n def scan(self, search_path=None):\n \"\"\"Scan `search_path` for distributions usable in this environment\n\n Any distributions found are added to the environment.\n `search_path` should be a sequence of ``sys.path`` items. If not\n supplied, ``sys.path`` is used. Only distributions conforming to\n the platform/python version defined at initialization are added.\n \"\"\"\n if search_path is None:\n search_path = sys.path\n\n for item in search_path:\n for dist in find_distributions(item):\n self.add(dist)\n\n def __getitem__(self, project_name):\n \"\"\"Return a newest-to-oldest list of distributions for `project_name`\n\n Uses case-insensitive `project_name` comparison, assuming all the\n project's distributions use their project's name converted to all\n lowercase as their key.\n\n \"\"\"\n distribution_key = project_name.lower()\n return self._distmap.get(distribution_key, [])\n\n def add(self, dist):\n \"\"\"Add `dist` if we ``can_add()`` it and it has not already been added\n \"\"\"\n if self.can_add(dist) and dist.has_version():\n dists = self._distmap.setdefault(dist.key, [])\n if dist not in dists:\n dists.append(dist)\n dists.sort(key=operator.attrgetter('hashcmp'), reverse=True)\n\n def best_match(\n self, req, working_set, installer=None, replace_conflicting=False):\n \"\"\"Find distribution best matching `req` and usable on `working_set`\n\n This calls the ``find(req)`` method of the `working_set` to see if a\n suitable distribution is already active. (This may raise\n ``VersionConflict`` if an unsuitable version of the project is already\n active in the specified `working_set`.) If a suitable distribution\n isn't active, this method returns the newest distribution in the\n environment that meets the ``Requirement`` in `req`. If no suitable\n distribution is found, and `installer` is supplied, then the result of\n calling the environment's ``obtain(req, installer)`` method will be\n returned.\n \"\"\"\n try:\n dist = working_set.find(req)\n except VersionConflict:\n if not replace_conflicting:\n raise\n dist = None\n if dist is not None:\n return dist\n for dist in self[req.key]:\n if dist in req:\n return dist\n # try to download/install\n return self.obtain(req, installer)\n\n def obtain(self, requirement, installer=None):\n \"\"\"Obtain a distribution matching `requirement` (e.g. via download)\n\n Obtain a distro that matches requirement (e.g. via download). In the\n base ``Environment`` class, this routine just returns\n ``installer(requirement)``, unless `installer` is None, in which case\n None is returned instead. This method is a hook that allows subclasses\n to attempt other ways of obtaining a distribution before falling back\n to the `installer` argument.\"\"\"\n if installer is not None:\n return installer(requirement)\n\n def __iter__(self):\n \"\"\"Yield the unique project names of the available distributions\"\"\"\n for key in self._distmap.keys():\n if self[key]:\n yield key\n\n def __iadd__(self, other):\n \"\"\"In-place addition of a distribution or environment\"\"\"\n if isinstance(other, Distribution):\n self.add(other)\n elif isinstance(other, Environment):\n for project in other:\n for dist in other[project]:\n self.add(dist)\n else:\n raise TypeError(\"Can't add %r to environment\" % (other,))\n return self\n\n def __add__(self, other):\n \"\"\"Add an environment or distribution to an environment\"\"\"\n new = self.__class__([], platform=None, python=None)\n for env in self, other:\n new += env\n return new\n\n\n# XXX backward compatibility\nAvailableDistributions = Environment\n\n\nclass ExtractionError(RuntimeError):\n \"\"\"An error occurred extracting a resource\n\n The following attributes are available from instances of this exception:\n\n manager\n The resource manager that raised this exception\n\n cache_path\n The base directory for resource extraction\n\n original_error\n The exception instance that caused extraction to fail\n \"\"\"\n\n\nclass ResourceManager:\n \"\"\"Manage resource extraction and packages\"\"\"\n extraction_path = None\n\n def __init__(self):\n self.cached_files = {}\n\n def resource_exists(self, package_or_requirement, resource_name):\n \"\"\"Does the named resource exist?\"\"\"\n return get_provider(package_or_requirement).has_resource(resource_name)\n\n def resource_isdir(self, package_or_requirement, resource_name):\n \"\"\"Is the named resource an existing directory?\"\"\"\n return get_provider(package_or_requirement).resource_isdir(\n resource_name\n )\n\n def resource_filename(self, package_or_requirement, resource_name):\n \"\"\"Return a true filesystem path for specified resource\"\"\"\n return get_provider(package_or_requirement).get_resource_filename(\n self, resource_name\n )\n\n def resource_stream(self, package_or_requirement, resource_name):\n \"\"\"Return a readable file-like object for specified resource\"\"\"\n return get_provider(package_or_requirement).get_resource_stream(\n self, resource_name\n )\n\n def resource_string(self, package_or_requirement, resource_name):\n \"\"\"Return specified resource as a string\"\"\"\n return get_provider(package_or_requirement).get_resource_string(\n self, resource_name\n )\n\n def resource_listdir(self, package_or_requirement, resource_name):\n \"\"\"List the contents of the named resource directory\"\"\"\n return get_provider(package_or_requirement).resource_listdir(\n resource_name\n )\n\n def extraction_error(self):\n \"\"\"Give an error message for problems extracting file(s)\"\"\"\n\n old_exc = sys.exc_info()[1]\n cache_path = self.extraction_path or get_default_cache()\n\n tmpl = textwrap.dedent(\"\"\"\n Can't extract file(s) to egg cache\n\n The following error occurred while trying to extract file(s)\n to the Python egg cache:\n\n {old_exc}\n\n The Python egg cache directory is currently set to:\n\n {cache_path}\n\n Perhaps your account does not have write access to this directory?\n You can change the cache directory by setting the PYTHON_EGG_CACHE\n environment variable to point to an accessible directory.\n \"\"\").lstrip()\n err = ExtractionError(tmpl.format(**locals()))\n err.manager = self\n err.cache_path = cache_path\n err.original_error = old_exc\n raise err\n\n def get_cache_path(self, archive_name, names=()):\n \"\"\"Return absolute location in cache for `archive_name` and `names`\n\n The parent directory of the resulting path will be created if it does\n not already exist. `archive_name` should be the base filename of the\n enclosing egg (which may not be the name of the enclosing zipfile!),\n including its \".egg\" extension. `names`, if provided, should be a\n sequence of path name parts \"under\" the egg's extraction location.\n\n This method should only be called by resource providers that need to\n obtain an extraction location, and only for names they intend to\n extract, as it tracks the generated names for possible cleanup later.\n \"\"\"\n extract_path = self.extraction_path or get_default_cache()\n target_path = os.path.join(extract_path, archive_name + '-tmp', *names)\n try:\n _bypass_ensure_directory(target_path)\n except Exception:\n self.extraction_error()\n\n self._warn_unsafe_extraction_path(extract_path)\n\n self.cached_files[target_path] = 1\n return target_path\n\n @staticmethod\n def _warn_unsafe_extraction_path(path):\n \"\"\"\n If the default extraction path is overridden and set to an insecure\n location, such as /tmp, it opens up an opportunity for an attacker to\n replace an extracted file with an unauthorized payload. Warn the user\n if a known insecure location is used.\n\n See Distribute #375 for more details.\n \"\"\"\n if os.name == 'nt' and not path.startswith(os.environ['windir']):\n # On Windows, permissions are generally restrictive by default\n # and temp directories are not writable by other users, so\n # bypass the warning.\n return\n mode = os.stat(path).st_mode\n if mode & stat.S_IWOTH or mode & stat.S_IWGRP:\n msg = (\n \"%s is writable by group/others and vulnerable to attack \"\n \"when \"\n \"used with get_resource_filename. Consider a more secure \"\n \"location (set with .set_extraction_path or the \"\n \"PYTHON_EGG_CACHE environment variable).\" % path\n )\n warnings.warn(msg, UserWarning)\n\n def postprocess(self, tempname, filename):\n \"\"\"Perform any platform-specific postprocessing of `tempname`\n\n This is where Mac header rewrites should be done; other platforms don't\n have anything special they should do.\n\n Resource providers should call this method ONLY after successfully\n extracting a compressed resource. They must NOT call it on resources\n that are already in the filesystem.\n\n `tempname` is the current (temporary) name of the file, and `filename`\n is the name it will be renamed to by the caller after this routine\n returns.\n \"\"\"\n\n if os.name == 'posix':\n # Make the resource executable\n mode = ((os.stat(tempname).st_mode) | 0o555) & 0o7777\n os.chmod(tempname, mode)\n\n def set_extraction_path(self, path):\n \"\"\"Set the base path where resources will be extracted to, if needed.\n\n If you do not call this routine before any extractions take place, the\n path defaults to the return value of ``get_default_cache()``. (Which\n is based on the ``PYTHON_EGG_CACHE`` environment variable, with various\n platform-specific fallbacks. See that routine's documentation for more\n details.)\n\n Resources are extracted to subdirectories of this path based upon\n information given by the ``IResourceProvider``. You may set this to a\n temporary directory, but then you must call ``cleanup_resources()`` to\n delete the extracted files when done. There is no guarantee that\n ``cleanup_resources()`` will be able to remove all extracted files.\n\n (Note: you may not change the extraction path for a given resource\n manager once resources have been extracted, unless you first call\n ``cleanup_resources()``.)\n \"\"\"\n if self.cached_files:\n raise ValueError(\n \"Can't change extraction path, files already extracted\"\n )\n\n self.extraction_path = path\n\n def cleanup_resources(self, force=False):\n \"\"\"\n Delete all extracted resource files and directories, returning a list\n of the file and directory names that could not be successfully removed.\n This function does not have any concurrency protection, so it should\n generally only be called when the extraction path is a temporary\n directory exclusive to a single process. This method is not\n automatically called; you must call it explicitly or register it as an\n ``atexit`` function if you wish to ensure cleanup of a temporary\n directory used for extractions.\n \"\"\"\n # XXX\n\n\ndef get_default_cache():\n \"\"\"\n Return the ``PYTHON_EGG_CACHE`` environment variable\n or a platform-relevant user cache dir for an app\n named \"Python-Eggs\".\n \"\"\"\n return (\n os.environ.get('PYTHON_EGG_CACHE')\n or appdirs.user_cache_dir(appname='Python-Eggs')\n )\n\n\ndef safe_name(name):\n \"\"\"Convert an arbitrary string to a standard distribution name\n\n Any runs of non-alphanumeric/. characters are replaced with a single '-'.\n \"\"\"\n return re.sub('[^A-Za-z0-9.]+', '-', name)\n\n\ndef safe_version(version):\n \"\"\"\n Convert an arbitrary string to a standard version string\n \"\"\"\n try:\n # normalize the version\n return str(packaging.version.Version(version))\n except packaging.version.InvalidVersion:\n version = version.replace(' ', '.')\n return re.sub('[^A-Za-z0-9.]+', '-', version)\n\n\ndef safe_extra(extra):\n \"\"\"Convert an arbitrary string to a standard 'extra' name\n\n Any runs of non-alphanumeric characters are replaced with a single '_',\n and the result is always lowercased.\n \"\"\"\n return re.sub('[^A-Za-z0-9.-]+', '_', extra).lower()\n\n\ndef to_filename(name):\n \"\"\"Convert a project or version name to its filename-escaped form\n\n Any '-' characters are currently replaced with '_'.\n \"\"\"\n return name.replace('-', '_')\n\n\ndef invalid_marker(text):\n \"\"\"\n Validate text as a PEP 508 environment marker; return an exception\n if invalid or False otherwise.\n \"\"\"\n try:\n evaluate_marker(text)\n except SyntaxError as e:\n e.filename = None\n e.lineno = None\n return e\n return False\n\n\ndef evaluate_marker(text, extra=None):\n \"\"\"\n Evaluate a PEP 508 environment marker.\n Return a boolean indicating the marker result in this environment.\n Raise SyntaxError if marker is invalid.\n\n This implementation uses the 'pyparsing' module.\n \"\"\"\n try:\n marker = packaging.markers.Marker(text)\n return marker.evaluate()\n except packaging.markers.InvalidMarker as e:\n raise SyntaxError(e)\n\n\nclass NullProvider:\n \"\"\"Try to implement resources and metadata for arbitrary PEP 302 loaders\"\"\"\n\n egg_name = None\n egg_info = None\n loader = None\n\n def __init__(self, module):\n self.loader = getattr(module, '__loader__', None)\n self.module_path = os.path.dirname(getattr(module, '__file__', ''))\n\n def get_resource_filename(self, manager, resource_name):\n return self._fn(self.module_path, resource_name)\n\n def get_resource_stream(self, manager, resource_name):\n return io.BytesIO(self.get_resource_string(manager, resource_name))\n\n def get_resource_string(self, manager, resource_name):\n return self._get(self._fn(self.module_path, resource_name))\n\n def has_resource(self, resource_name):\n return self._has(self._fn(self.module_path, resource_name))\n\n def has_metadata(self, name):\n return self.egg_info and self._has(self._fn(self.egg_info, name))\n\n def get_metadata(self, name):\n if not self.egg_info:\n return \"\"\n value = self._get(self._fn(self.egg_info, name))\n return value.decode('utf-8') if six.PY3 else value\n\n def get_metadata_lines(self, name):\n return yield_lines(self.get_metadata(name))\n\n def resource_isdir(self, resource_name):\n return self._isdir(self._fn(self.module_path, resource_name))\n\n def metadata_isdir(self, name):\n return self.egg_info and self._isdir(self._fn(self.egg_info, name))\n\n def resource_listdir(self, resource_name):\n return self._listdir(self._fn(self.module_path, resource_name))\n\n def metadata_listdir(self, name):\n if self.egg_info:\n return self._listdir(self._fn(self.egg_info, name))\n return []\n\n def run_script(self, script_name, namespace):\n script = 'scripts/' + script_name\n if not self.has_metadata(script):\n raise ResolutionError(\n \"Script {script!r} not found in metadata at {self.egg_info!r}\"\n .format(**locals()),\n )\n script_text = self.get_metadata(script).replace('\\r\\n', '\\n')\n script_text = script_text.replace('\\r', '\\n')\n script_filename = self._fn(self.egg_info, script)\n namespace['__file__'] = script_filename\n if os.path.exists(script_filename):\n source = open(script_filename).read()\n code = compile(source, script_filename, 'exec')\n exec(code, namespace, namespace)\n else:\n from linecache import cache\n cache[script_filename] = (\n len(script_text), 0, script_text.split('\\n'), script_filename\n )\n script_code = compile(script_text, script_filename, 'exec')\n exec(script_code, namespace, namespace)\n\n def _has(self, path):\n raise NotImplementedError(\n \"Can't perform this operation for unregistered loader type\"\n )\n\n def _isdir(self, path):\n raise NotImplementedError(\n \"Can't perform this operation for unregistered loader type\"\n )\n\n def _listdir(self, path):\n raise NotImplementedError(\n \"Can't perform this operation for unregistered loader type\"\n )\n\n def _fn(self, base, resource_name):\n if resource_name:\n return os.path.join(base, *resource_name.split('/'))\n return base\n\n def _get(self, path):\n if hasattr(self.loader, 'get_data'):\n return self.loader.get_data(path)\n raise NotImplementedError(\n \"Can't perform this operation for loaders without 'get_data()'\"\n )\n\n\nregister_loader_type(object, NullProvider)\n\n\nclass EggProvider(NullProvider):\n \"\"\"Provider based on a virtual filesystem\"\"\"\n\n def __init__(self, module):\n NullProvider.__init__(self, module)\n self._setup_prefix()\n\n def _setup_prefix(self):\n # we assume here that our metadata may be nested inside a \"basket\"\n # of multiple eggs; that's why we use module_path instead of .archive\n path = self.module_path\n old = None\n while path != old:\n if _is_egg_path(path):\n self.egg_name = os.path.basename(path)\n self.egg_info = os.path.join(path, 'EGG-INFO')\n self.egg_root = path\n break\n old = path\n path, base = os.path.split(path)\n\n\nclass DefaultProvider(EggProvider):\n \"\"\"Provides access to package resources in the filesystem\"\"\"\n\n def _has(self, path):\n return os.path.exists(path)\n\n def _isdir(self, path):\n return os.path.isdir(path)\n\n def _listdir(self, path):\n return os.listdir(path)\n\n def get_resource_stream(self, manager, resource_name):\n return open(self._fn(self.module_path, resource_name), 'rb')\n\n def _get(self, path):\n with open(path, 'rb') as stream:\n return stream.read()\n\n @classmethod\n def _register(cls):\n loader_names = 'SourceFileLoader', 'SourcelessFileLoader',\n for name in loader_names:\n loader_cls = getattr(importlib_machinery, name, type(None))\n register_loader_type(loader_cls, cls)\n\n\nDefaultProvider._register()\n\n\nclass EmptyProvider(NullProvider):\n \"\"\"Provider that returns nothing for all requests\"\"\"\n\n module_path = None\n\n _isdir = _has = lambda self, path: False\n\n def _get(self, path):\n return ''\n\n def _listdir(self, path):\n return []\n\n def __init__(self):\n pass\n\n\nempty_provider = EmptyProvider()\n\n\nclass ZipManifests(dict):\n \"\"\"\n zip manifest builder\n \"\"\"\n\n @classmethod\n def build(cls, path):\n \"\"\"\n Build a dictionary similar to the zipimport directory\n caches, except instead of tuples, store ZipInfo objects.\n\n Use a platform-specific path separator (os.sep) for the path keys\n for compatibility with pypy on Windows.\n \"\"\"\n with zipfile.ZipFile(path) as zfile:\n items = (\n (\n name.replace('/', os.sep),\n zfile.getinfo(name),\n )\n for name in zfile.namelist()\n )\n return dict(items)\n\n load = build\n\n\nclass MemoizedZipManifests(ZipManifests):\n \"\"\"\n Memoized zipfile manifests.\n \"\"\"\n manifest_mod = collections.namedtuple('manifest_mod', 'manifest mtime')\n\n def load(self, path):\n \"\"\"\n Load a manifest at path or return a suitable manifest already loaded.\n \"\"\"\n path = os.path.normpath(path)\n mtime = os.stat(path).st_mtime\n\n if path not in self or self[path].mtime != mtime:\n manifest = self.build(path)\n self[path] = self.manifest_mod(manifest, mtime)\n\n return self[path].manifest\n\n\nclass ZipProvider(EggProvider):\n \"\"\"Resource support for zips and eggs\"\"\"\n\n eagers = None\n _zip_manifests = MemoizedZipManifests()\n\n def __init__(self, module):\n EggProvider.__init__(self, module)\n self.zip_pre = self.loader.archive + os.sep\n\n def _zipinfo_name(self, fspath):\n # Convert a virtual filename (full path to file) into a zipfile subpath\n # usable with the zipimport directory cache for our target archive\n fspath = fspath.rstrip(os.sep)\n if fspath == self.loader.archive:\n return ''\n if fspath.startswith(self.zip_pre):\n return fspath[len(self.zip_pre):]\n raise AssertionError(\n \"%s is not a subpath of %s\" % (fspath, self.zip_pre)\n )\n\n def _parts(self, zip_path):\n # Convert a zipfile subpath into an egg-relative path part list.\n # pseudo-fs path\n fspath = self.zip_pre + zip_path\n if fspath.startswith(self.egg_root + os.sep):\n return fspath[len(self.egg_root) + 1:].split(os.sep)\n raise AssertionError(\n \"%s is not a subpath of %s\" % (fspath, self.egg_root)\n )\n\n @property\n def zipinfo(self):\n return self._zip_manifests.load(self.loader.archive)\n\n def get_resource_filename(self, manager, resource_name):\n if not self.egg_name:\n raise NotImplementedError(\n \"resource_filename() only supported for .egg, not .zip\"\n )\n # no need to lock for extraction, since we use temp names\n zip_path = self._resource_to_zip(resource_name)\n eagers = self._get_eager_resources()\n if '/'.join(self._parts(zip_path)) in eagers:\n for name in eagers:\n self._extract_resource(manager, self._eager_to_zip(name))\n return self._extract_resource(manager, zip_path)\n\n @staticmethod\n def _get_date_and_size(zip_stat):\n size = zip_stat.file_size\n # ymdhms+wday, yday, dst\n date_time = zip_stat.date_time + (0, 0, -1)\n # 1980 offset already done\n timestamp = time.mktime(date_time)\n return timestamp, size\n\n def _extract_resource(self, manager, zip_path):\n\n if zip_path in self._index():\n for name in self._index()[zip_path]:\n last = self._extract_resource(\n manager, os.path.join(zip_path, name)\n )\n # return the extracted directory name\n return os.path.dirname(last)\n\n timestamp, size = self._get_date_and_size(self.zipinfo[zip_path])\n\n if not WRITE_SUPPORT:\n raise IOError('\"os.rename\" and \"os.unlink\" are not supported '\n 'on this platform')\n try:\n\n real_path = manager.get_cache_path(\n self.egg_name, self._parts(zip_path)\n )\n\n if self._is_current(real_path, zip_path):\n return real_path\n\n outf, tmpnam = _mkstemp(\n \".$extract\",\n dir=os.path.dirname(real_path),\n )\n os.write(outf, self.loader.get_data(zip_path))\n os.close(outf)\n utime(tmpnam, (timestamp, timestamp))\n manager.postprocess(tmpnam, real_path)\n\n try:\n rename(tmpnam, real_path)\n\n except os.error:\n if os.path.isfile(real_path):\n if self._is_current(real_path, zip_path):\n # the file became current since it was checked above,\n # so proceed.\n return real_path\n # Windows, del old file and retry\n elif os.name == 'nt':\n unlink(real_path)\n rename(tmpnam, real_path)\n return real_path\n raise\n\n except os.error:\n # report a user-friendly error\n manager.extraction_error()\n\n return real_path\n\n def _is_current(self, file_path, zip_path):\n \"\"\"\n Return True if the file_path is current for this zip_path\n \"\"\"\n timestamp, size = self._get_date_and_size(self.zipinfo[zip_path])\n if not os.path.isfile(file_path):\n return False\n stat = os.stat(file_path)\n if stat.st_size != size or stat.st_mtime != timestamp:\n return False\n # check that the contents match\n zip_contents = self.loader.get_data(zip_path)\n with open(file_path, 'rb') as f:\n file_contents = f.read()\n return zip_contents == file_contents\n\n def _get_eager_resources(self):\n if self.eagers is None:\n eagers = []\n for name in ('native_libs.txt', 'eager_resources.txt'):\n if self.has_metadata(name):\n eagers.extend(self.get_metadata_lines(name))\n self.eagers = eagers\n return self.eagers\n\n def _index(self):\n try:\n return self._dirindex\n except AttributeError:\n ind = {}\n for path in self.zipinfo:\n parts = path.split(os.sep)\n while parts:\n parent = os.sep.join(parts[:-1])\n if parent in ind:\n ind[parent].append(parts[-1])\n break\n else:\n ind[parent] = [parts.pop()]\n self._dirindex = ind\n return ind\n\n def _has(self, fspath):\n zip_path = self._zipinfo_name(fspath)\n return zip_path in self.zipinfo or zip_path in self._index()\n\n def _isdir(self, fspath):\n return self._zipinfo_name(fspath) in self._index()\n\n def _listdir(self, fspath):\n return list(self._index().get(self._zipinfo_name(fspath), ()))\n\n def _eager_to_zip(self, resource_name):\n return self._zipinfo_name(self._fn(self.egg_root, resource_name))\n\n def _resource_to_zip(self, resource_name):\n return self._zipinfo_name(self._fn(self.module_path, resource_name))\n\n\nregister_loader_type(zipimport.zipimporter, ZipProvider)\n\n\nclass FileMetadata(EmptyProvider):\n \"\"\"Metadata handler for standalone PKG-INFO files\n\n Usage::\n\n metadata = FileMetadata(\"/path/to/PKG-INFO\")\n\n This provider rejects all data and metadata requests except for PKG-INFO,\n which is treated as existing, and will be the contents of the file at\n the provided location.\n \"\"\"\n\n def __init__(self, path):\n self.path = path\n\n def has_metadata(self, name):\n return name == 'PKG-INFO' and os.path.isfile(self.path)\n\n def get_metadata(self, name):\n if name != 'PKG-INFO':\n raise KeyError(\"No metadata except PKG-INFO is available\")\n\n with io.open(self.path, encoding='utf-8', errors=\"replace\") as f:\n metadata = f.read()\n self._warn_on_replacement(metadata)\n return metadata\n\n def _warn_on_replacement(self, metadata):\n # Python 2.7 compat for: replacement_char = '�'\n replacement_char = b'\\xef\\xbf\\xbd'.decode('utf-8')\n if replacement_char in metadata:\n tmpl = \"{self.path} could not be properly decoded in UTF-8\"\n msg = tmpl.format(**locals())\n warnings.warn(msg)\n\n def get_metadata_lines(self, name):\n return yield_lines(self.get_metadata(name))\n\n\nclass PathMetadata(DefaultProvider):\n \"\"\"Metadata provider for egg directories\n\n Usage::\n\n # Development eggs:\n\n egg_info = \"/path/to/PackageName.egg-info\"\n base_dir = os.path.dirname(egg_info)\n metadata = PathMetadata(base_dir, egg_info)\n dist_name = os.path.splitext(os.path.basename(egg_info))[0]\n dist = Distribution(basedir, project_name=dist_name, metadata=metadata)\n\n # Unpacked egg directories:\n\n egg_path = \"/path/to/PackageName-ver-pyver-etc.egg\"\n metadata = PathMetadata(egg_path, os.path.join(egg_path,'EGG-INFO'))\n dist = Distribution.from_filename(egg_path, metadata=metadata)\n \"\"\"\n\n def __init__(self, path, egg_info):\n self.module_path = path\n self.egg_info = egg_info\n\n\nclass EggMetadata(ZipProvider):\n \"\"\"Metadata provider for .egg files\"\"\"\n\n def __init__(self, importer):\n \"\"\"Create a metadata provider from a zipimporter\"\"\"\n\n self.zip_pre = importer.archive + os.sep\n self.loader = importer\n if importer.prefix:\n self.module_path = os.path.join(importer.archive, importer.prefix)\n else:\n self.module_path = importer.archive\n self._setup_prefix()\n\n\n_declare_state('dict', _distribution_finders={})\n\n\ndef register_finder(importer_type, distribution_finder):\n \"\"\"Register `distribution_finder` to find distributions in sys.path items\n\n `importer_type` is the type or class of a PEP 302 \"Importer\" (sys.path item\n handler), and `distribution_finder` is a callable that, passed a path\n item and the importer instance, yields ``Distribution`` instances found on\n that path item. See ``pkg_resources.find_on_path`` for an example.\"\"\"\n _distribution_finders[importer_type] = distribution_finder\n\n\ndef find_distributions(path_item, only=False):\n \"\"\"Yield distributions accessible via `path_item`\"\"\"\n importer = get_importer(path_item)\n finder = _find_adapter(_distribution_finders, importer)\n return finder(importer, path_item, only)\n\n\ndef find_eggs_in_zip(importer, path_item, only=False):\n \"\"\"\n Find eggs in zip files; possibly multiple nested eggs.\n \"\"\"\n if importer.archive.endswith('.whl'):\n # wheels are not supported with this finder\n # they don't have PKG-INFO metadata, and won't ever contain eggs\n return\n metadata = EggMetadata(importer)\n if metadata.has_metadata('PKG-INFO'):\n yield Distribution.from_filename(path_item, metadata=metadata)\n if only:\n # don't yield nested distros\n return\n for subitem in metadata.resource_listdir('/'):\n if _is_egg_path(subitem):\n subpath = os.path.join(path_item, subitem)\n dists = find_eggs_in_zip(zipimport.zipimporter(subpath), subpath)\n for dist in dists:\n yield dist\n elif subitem.lower().endswith('.dist-info'):\n subpath = os.path.join(path_item, subitem)\n submeta = EggMetadata(zipimport.zipimporter(subpath))\n submeta.egg_info = subpath\n yield Distribution.from_location(path_item, subitem, submeta)\n\n\nregister_finder(zipimport.zipimporter, find_eggs_in_zip)\n\n\ndef find_nothing(importer, path_item, only=False):\n return ()\n\n\nregister_finder(object, find_nothing)\n\n\ndef _by_version_descending(names):\n \"\"\"\n Given a list of filenames, return them in descending order\n by version number.\n\n >>> names = 'bar', 'foo', 'Python-2.7.10.egg', 'Python-2.7.2.egg'\n >>> _by_version_descending(names)\n ['Python-2.7.10.egg', 'Python-2.7.2.egg', 'foo', 'bar']\n >>> names = 'Setuptools-1.2.3b1.egg', 'Setuptools-1.2.3.egg'\n >>> _by_version_descending(names)\n ['Setuptools-1.2.3.egg', 'Setuptools-1.2.3b1.egg']\n >>> names = 'Setuptools-1.2.3b1.egg', 'Setuptools-1.2.3.post1.egg'\n >>> _by_version_descending(names)\n ['Setuptools-1.2.3.post1.egg', 'Setuptools-1.2.3b1.egg']\n \"\"\"\n def _by_version(name):\n \"\"\"\n Parse each component of the filename\n \"\"\"\n name, ext = os.path.splitext(name)\n parts = itertools.chain(name.split('-'), [ext])\n return [packaging.version.parse(part) for part in parts]\n\n return sorted(names, key=_by_version, reverse=True)\n\n\ndef find_on_path(importer, path_item, only=False):\n \"\"\"Yield distributions accessible on a sys.path directory\"\"\"\n path_item = _normalize_cached(path_item)\n\n if _is_unpacked_egg(path_item):\n yield Distribution.from_filename(\n path_item, metadata=PathMetadata(\n path_item, os.path.join(path_item, 'EGG-INFO')\n )\n )\n return\n\n entries = safe_listdir(path_item)\n\n # for performance, before sorting by version,\n # screen entries for only those that will yield\n # distributions\n filtered = (\n entry\n for entry in entries\n if dist_factory(path_item, entry, only)\n )\n\n # scan for .egg and .egg-info in directory\n path_item_entries = _by_version_descending(filtered)\n for entry in path_item_entries:\n fullpath = os.path.join(path_item, entry)\n factory = dist_factory(path_item, entry, only)\n for dist in factory(fullpath):\n yield dist\n\n\ndef dist_factory(path_item, entry, only):\n \"\"\"\n Return a dist_factory for a path_item and entry\n \"\"\"\n lower = entry.lower()\n is_meta = any(map(lower.endswith, ('.egg-info', '.dist-info')))\n return (\n distributions_from_metadata\n if is_meta else\n find_distributions\n if not only and _is_egg_path(entry) else\n resolve_egg_link\n if not only and lower.endswith('.egg-link') else\n NoDists()\n )\n\n\nclass NoDists:\n \"\"\"\n >>> bool(NoDists())\n False\n\n >>> list(NoDists()('anything'))\n []\n \"\"\"\n def __bool__(self):\n return False\n if six.PY2:\n __nonzero__ = __bool__\n\n def __call__(self, fullpath):\n return iter(())\n\n\ndef safe_listdir(path):\n \"\"\"\n Attempt to list contents of path, but suppress some exceptions.\n \"\"\"\n try:\n return os.listdir(path)\n except (PermissionError, NotADirectoryError):\n pass\n except OSError as e:\n # Ignore the directory if does not exist, not a directory or\n # permission denied\n ignorable = (\n e.errno in (errno.ENOTDIR, errno.EACCES, errno.ENOENT)\n # Python 2 on Windows needs to be handled this way :(\n or getattr(e, \"winerror\", None) == 267\n )\n if not ignorable:\n raise\n return ()\n\n\ndef distributions_from_metadata(path):\n root = os.path.dirname(path)\n if os.path.isdir(path):\n if len(os.listdir(path)) == 0:\n # empty metadata dir; skip\n return\n metadata = PathMetadata(root, path)\n else:\n metadata = FileMetadata(path)\n entry = os.path.basename(path)\n yield Distribution.from_location(\n root, entry, metadata, precedence=DEVELOP_DIST,\n )\n\n\ndef non_empty_lines(path):\n \"\"\"\n Yield non-empty lines from file at path\n \"\"\"\n with open(path) as f:\n for line in f:\n line = line.strip()\n if line:\n yield line\n\n\ndef resolve_egg_link(path):\n \"\"\"\n Given a path to an .egg-link, resolve distributions\n present in the referenced path.\n \"\"\"\n referenced_paths = non_empty_lines(path)\n resolved_paths = (\n os.path.join(os.path.dirname(path), ref)\n for ref in referenced_paths\n )\n dist_groups = map(find_distributions, resolved_paths)\n return next(dist_groups, ())\n\n\nregister_finder(pkgutil.ImpImporter, find_on_path)\n\nif hasattr(importlib_machinery, 'FileFinder'):\n register_finder(importlib_machinery.FileFinder, find_on_path)\n\n_declare_state('dict', _namespace_handlers={})\n_declare_state('dict', _namespace_packages={})\n\n\ndef register_namespace_handler(importer_type, namespace_handler):\n \"\"\"Register `namespace_handler` to declare namespace packages\n\n `importer_type` is the type or class of a PEP 302 \"Importer\" (sys.path item\n handler), and `namespace_handler` is a callable like this::\n\n def namespace_handler(importer, path_entry, moduleName, module):\n # return a path_entry to use for child packages\n\n Namespace handlers are only called if the importer object has already\n agreed that it can handle the relevant path item, and they should only\n return a subpath if the module __path__ does not already contain an\n equivalent subpath. For an example namespace handler, see\n ``pkg_resources.file_ns_handler``.\n \"\"\"\n _namespace_handlers[importer_type] = namespace_handler\n\n\ndef _handle_ns(packageName, path_item):\n \"\"\"Ensure that named package includes a subpath of path_item (if needed)\"\"\"\n\n importer = get_importer(path_item)\n if importer is None:\n return None\n\n # capture warnings due to #1111\n with warnings.catch_warnings():\n warnings.simplefilter(\"ignore\")\n loader = importer.find_module(packageName)\n\n if loader is None:\n return None\n module = sys.modules.get(packageName)\n if module is None:\n module = sys.modules[packageName] = types.ModuleType(packageName)\n module.__path__ = []\n _set_parent_ns(packageName)\n elif not hasattr(module, '__path__'):\n raise TypeError(\"Not a package:\", packageName)\n handler = _find_adapter(_namespace_handlers, importer)\n subpath = handler(importer, path_item, packageName, module)\n if subpath is not None:\n path = module.__path__\n path.append(subpath)\n loader.load_module(packageName)\n _rebuild_mod_path(path, packageName, module)\n return subpath\n\n\ndef _rebuild_mod_path(orig_path, package_name, module):\n \"\"\"\n Rebuild module.__path__ ensuring that all entries are ordered\n corresponding to their sys.path order\n \"\"\"\n sys_path = [_normalize_cached(p) for p in sys.path]\n\n def safe_sys_path_index(entry):\n \"\"\"\n Workaround for #520 and #513.\n \"\"\"\n try:\n return sys_path.index(entry)\n except ValueError:\n return float('inf')\n\n def position_in_sys_path(path):\n \"\"\"\n Return the ordinal of the path based on its position in sys.path\n \"\"\"\n path_parts = path.split(os.sep)\n module_parts = package_name.count('.') + 1\n parts = path_parts[:-module_parts]\n return safe_sys_path_index(_normalize_cached(os.sep.join(parts)))\n\n new_path = sorted(orig_path, key=position_in_sys_path)\n new_path = [_normalize_cached(p) for p in new_path]\n\n if isinstance(module.__path__, list):\n module.__path__[:] = new_path\n else:\n module.__path__ = new_path\n\n\ndef declare_namespace(packageName):\n \"\"\"Declare that package 'packageName' is a namespace package\"\"\"\n\n _imp.acquire_lock()\n try:\n if packageName in _namespace_packages:\n return\n\n path = sys.path\n parent, _, _ = packageName.rpartition('.')\n\n if parent:\n declare_namespace(parent)\n if parent not in _namespace_packages:\n __import__(parent)\n try:\n path = sys.modules[parent].__path__\n except AttributeError:\n raise TypeError(\"Not a package:\", parent)\n\n # Track what packages are namespaces, so when new path items are added,\n # they can be updated\n _namespace_packages.setdefault(parent or None, []).append(packageName)\n _namespace_packages.setdefault(packageName, [])\n\n for path_item in path:\n # Ensure all the parent's path items are reflected in the child,\n # if they apply\n _handle_ns(packageName, path_item)\n\n finally:\n _imp.release_lock()\n\n\ndef fixup_namespace_packages(path_item, parent=None):\n \"\"\"Ensure that previously-declared namespace packages include path_item\"\"\"\n _imp.acquire_lock()\n try:\n for package in _namespace_packages.get(parent, ()):\n subpath = _handle_ns(package, path_item)\n if subpath:\n fixup_namespace_packages(subpath, package)\n finally:\n _imp.release_lock()\n\n\ndef file_ns_handler(importer, path_item, packageName, module):\n \"\"\"Compute an ns-package subpath for a filesystem or zipfile importer\"\"\"\n\n subpath = os.path.join(path_item, packageName.split('.')[-1])\n normalized = _normalize_cached(subpath)\n for item in module.__path__:\n if _normalize_cached(item) == normalized:\n break\n else:\n # Only return the path if it's not already there\n return subpath\n\n\nregister_namespace_handler(pkgutil.ImpImporter, file_ns_handler)\nregister_namespace_handler(zipimport.zipimporter, file_ns_handler)\n\nif hasattr(importlib_machinery, 'FileFinder'):\n register_namespace_handler(importlib_machinery.FileFinder, file_ns_handler)\n\n\ndef null_ns_handler(importer, path_item, packageName, module):\n return None\n\n\nregister_namespace_handler(object, null_ns_handler)\n\n\ndef normalize_path(filename):\n \"\"\"Normalize a file/dir name for comparison purposes\"\"\"\n return os.path.normcase(os.path.realpath(filename))\n\n\ndef _normalize_cached(filename, _cache={}):\n try:\n return _cache[filename]\n except KeyError:\n _cache[filename] = result = normalize_path(filename)\n return result\n\n\ndef _is_egg_path(path):\n \"\"\"\n Determine if given path appears to be an egg.\n \"\"\"\n return path.lower().endswith('.egg')\n\n\ndef _is_unpacked_egg(path):\n \"\"\"\n Determine if given path appears to be an unpacked egg.\n \"\"\"\n return (\n _is_egg_path(path) and\n os.path.isfile(os.path.join(path, 'EGG-INFO', 'PKG-INFO'))\n )\n\n\ndef _set_parent_ns(packageName):\n parts = packageName.split('.')\n name = parts.pop()\n if parts:\n parent = '.'.join(parts)\n setattr(sys.modules[parent], name, sys.modules[packageName])\n\n\ndef yield_lines(strs):\n \"\"\"Yield non-empty/non-comment lines of a string or sequence\"\"\"\n if isinstance(strs, six.string_types):\n for s in strs.splitlines():\n s = s.strip()\n # skip blank lines/comments\n if s and not s.startswith('#'):\n yield s\n else:\n for ss in strs:\n for s in yield_lines(ss):\n yield s\n\n\nMODULE = re.compile(r\"\\w+(\\.\\w+)*$\").match\nEGG_NAME = re.compile(\n r\"\"\"\n (?P<name>[^-]+) (\n -(?P<ver>[^-]+) (\n -py(?P<pyver>[^-]+) (\n -(?P<plat>.+)\n )?\n )?\n )?\n \"\"\",\n re.VERBOSE | re.IGNORECASE,\n).match\n\n\nclass EntryPoint:\n \"\"\"Object representing an advertised importable object\"\"\"\n\n def __init__(self, name, module_name, attrs=(), extras=(), dist=None):\n if not MODULE(module_name):\n raise ValueError(\"Invalid module name\", module_name)\n self.name = name\n self.module_name = module_name\n self.attrs = tuple(attrs)\n self.extras = tuple(extras)\n self.dist = dist\n\n def __str__(self):\n s = \"%s = %s\" % (self.name, self.module_name)\n if self.attrs:\n s += ':' + '.'.join(self.attrs)\n if self.extras:\n s += ' [%s]' % ','.join(self.extras)\n return s\n\n def __repr__(self):\n return \"EntryPoint.parse(%r)\" % str(self)\n\n def load(self, require=True, *args, **kwargs):\n \"\"\"\n Require packages for this EntryPoint, then resolve it.\n \"\"\"\n if not require or args or kwargs:\n warnings.warn(\n \"Parameters to load are deprecated. Call .resolve and \"\n \".require separately.\",\n DeprecationWarning,\n stacklevel=2,\n )\n if require:\n self.require(*args, **kwargs)\n return self.resolve()\n\n def resolve(self):\n \"\"\"\n Resolve the entry point from its module and attrs.\n \"\"\"\n module = __import__(self.module_name, fromlist=['__name__'], level=0)\n try:\n return functools.reduce(getattr, self.attrs, module)\n except AttributeError as exc:\n raise ImportError(str(exc))\n\n def require(self, env=None, installer=None):\n if self.extras and not self.dist:\n raise UnknownExtra(\"Can't require() without a distribution\", self)\n\n # Get the requirements for this entry point with all its extras and\n # then resolve them. We have to pass `extras` along when resolving so\n # that the working set knows what extras we want. Otherwise, for\n # dist-info distributions, the working set will assume that the\n # requirements for that extra are purely optional and skip over them.\n reqs = self.dist.requires(self.extras)\n items = working_set.resolve(reqs, env, installer, extras=self.extras)\n list(map(working_set.add, items))\n\n pattern = re.compile(\n r'\\s*'\n r'(?P<name>.+?)\\s*'\n r'=\\s*'\n r'(?P<module>[\\w.]+)\\s*'\n r'(:\\s*(?P<attr>[\\w.]+))?\\s*'\n r'(?P<extras>\\[.*\\])?\\s*$'\n )\n\n @classmethod\n def parse(cls, src, dist=None):\n \"\"\"Parse a single entry point from string `src`\n\n Entry point syntax follows the form::\n\n name = some.module:some.attr [extra1, extra2]\n\n The entry name and module name are required, but the ``:attrs`` and\n ``[extras]`` parts are optional\n \"\"\"\n m = cls.pattern.match(src)\n if not m:\n msg = \"EntryPoint must be in 'name=module:attrs [extras]' format\"\n raise ValueError(msg, src)\n res = m.groupdict()\n extras = cls._parse_extras(res['extras'])\n attrs = res['attr'].split('.') if res['attr'] else ()\n return cls(res['name'], res['module'], attrs, extras, dist)\n\n @classmethod\n def _parse_extras(cls, extras_spec):\n if not extras_spec:\n return ()\n req = Requirement.parse('x' + extras_spec)\n if req.specs:\n raise ValueError()\n return req.extras\n\n @classmethod\n def parse_group(cls, group, lines, dist=None):\n \"\"\"Parse an entry point group\"\"\"\n if not MODULE(group):\n raise ValueError(\"Invalid group name\", group)\n this = {}\n for line in yield_lines(lines):\n ep = cls.parse(line, dist)\n if ep.name in this:\n raise ValueError(\"Duplicate entry point\", group, ep.name)\n this[ep.name] = ep\n return this\n\n @classmethod\n def parse_map(cls, data, dist=None):\n \"\"\"Parse a map of entry point groups\"\"\"\n if isinstance(data, dict):\n data = data.items()\n else:\n data = split_sections(data)\n maps = {}\n for group, lines in data:\n if group is None:\n if not lines:\n continue\n raise ValueError(\"Entry points must be listed in groups\")\n group = group.strip()\n if group in maps:\n raise ValueError(\"Duplicate group name\", group)\n maps[group] = cls.parse_group(group, lines, dist)\n return maps\n\n\ndef _remove_md5_fragment(location):\n if not location:\n return ''\n parsed = urllib.parse.urlparse(location)\n if parsed[-1].startswith('md5='):\n return urllib.parse.urlunparse(parsed[:-1] + ('',))\n return location\n\n\ndef _version_from_file(lines):\n \"\"\"\n Given an iterable of lines from a Metadata file, return\n the value of the Version field, if present, or None otherwise.\n \"\"\"\n def is_version_line(line):\n return line.lower().startswith('version:')\n version_lines = filter(is_version_line, lines)\n line = next(iter(version_lines), '')\n _, _, value = line.partition(':')\n return safe_version(value.strip()) or None\n\n\nclass Distribution:\n \"\"\"Wrap an actual or potential sys.path entry w/metadata\"\"\"\n PKG_INFO = 'PKG-INFO'\n\n def __init__(\n self, location=None, metadata=None, project_name=None,\n version=None, py_version=PY_MAJOR, platform=None,\n precedence=EGG_DIST):\n self.project_name = safe_name(project_name or 'Unknown')\n if version is not None:\n self._version = safe_version(version)\n self.py_version = py_version\n self.platform = platform\n self.location = location\n self.precedence = precedence\n self._provider = metadata or empty_provider\n\n @classmethod\n def from_location(cls, location, basename, metadata=None, **kw):\n project_name, version, py_version, platform = [None] * 4\n basename, ext = os.path.splitext(basename)\n if ext.lower() in _distributionImpl:\n cls = _distributionImpl[ext.lower()]\n\n match = EGG_NAME(basename)\n if match:\n project_name, version, py_version, platform = match.group(\n 'name', 'ver', 'pyver', 'plat'\n )\n return cls(\n location, metadata, project_name=project_name, version=version,\n py_version=py_version, platform=platform, **kw\n )._reload_version()\n\n def _reload_version(self):\n return self\n\n @property\n def hashcmp(self):\n return (\n self.parsed_version,\n self.precedence,\n self.key,\n _remove_md5_fragment(self.location),\n self.py_version or '',\n self.platform or '',\n )\n\n def __hash__(self):\n return hash(self.hashcmp)\n\n def __lt__(self, other):\n return self.hashcmp < other.hashcmp\n\n def __le__(self, other):\n return self.hashcmp <= other.hashcmp\n\n def __gt__(self, other):\n return self.hashcmp > other.hashcmp\n\n def __ge__(self, other):\n return self.hashcmp >= other.hashcmp\n\n def __eq__(self, other):\n if not isinstance(other, self.__class__):\n # It's not a Distribution, so they are not equal\n return False\n return self.hashcmp == other.hashcmp\n\n def __ne__(self, other):\n return not self == other\n\n # These properties have to be lazy so that we don't have to load any\n # metadata until/unless it's actually needed. (i.e., some distributions\n # may not know their name or version without loading PKG-INFO)\n\n @property\n def key(self):\n try:\n return self._key\n except AttributeError:\n self._key = key = self.project_name.lower()\n return key\n\n @property\n def parsed_version(self):\n if not hasattr(self, \"_parsed_version\"):\n self._parsed_version = parse_version(self.version)\n\n return self._parsed_version\n\n def _warn_legacy_version(self):\n LV = packaging.version.LegacyVersion\n is_legacy = isinstance(self._parsed_version, LV)\n if not is_legacy:\n return\n\n # While an empty version is technically a legacy version and\n # is not a valid PEP 440 version, it's also unlikely to\n # actually come from someone and instead it is more likely that\n # it comes from setuptools attempting to parse a filename and\n # including it in the list. So for that we'll gate this warning\n # on if the version is anything at all or not.\n if not self.version:\n return\n\n tmpl = textwrap.dedent(\"\"\"\n '{project_name} ({version})' is being parsed as a legacy,\n non PEP 440,\n version. You may find odd behavior and sort order.\n In particular it will be sorted as less than 0.0. It\n is recommended to migrate to PEP 440 compatible\n versions.\n \"\"\").strip().replace('\\n', ' ')\n\n warnings.warn(tmpl.format(**vars(self)), PEP440Warning)\n\n @property\n def version(self):\n try:\n return self._version\n except AttributeError:\n version = _version_from_file(self._get_metadata(self.PKG_INFO))\n if version is None:\n tmpl = \"Missing 'Version:' header and/or %s file\"\n raise ValueError(tmpl % self.PKG_INFO, self)\n return version\n\n @property\n def _dep_map(self):\n \"\"\"\n A map of extra to its list of (direct) requirements\n for this distribution, including the null extra.\n \"\"\"\n try:\n return self.__dep_map\n except AttributeError:\n self.__dep_map = self._filter_extras(self._build_dep_map())\n return self.__dep_map\n\n @staticmethod\n def _filter_extras(dm):\n \"\"\"\n Given a mapping of extras to dependencies, strip off\n environment markers and filter out any dependencies\n not matching the markers.\n \"\"\"\n for extra in list(filter(None, dm)):\n new_extra = extra\n reqs = dm.pop(extra)\n new_extra, _, marker = extra.partition(':')\n fails_marker = marker and (\n invalid_marker(marker)\n or not evaluate_marker(marker)\n )\n if fails_marker:\n reqs = []\n new_extra = safe_extra(new_extra) or None\n\n dm.setdefault(new_extra, []).extend(reqs)\n return dm\n\n def _build_dep_map(self):\n dm = {}\n for name in 'requires.txt', 'depends.txt':\n for extra, reqs in split_sections(self._get_metadata(name)):\n dm.setdefault(extra, []).extend(parse_requirements(reqs))\n return dm\n\n def requires(self, extras=()):\n \"\"\"List of Requirements needed for this distro if `extras` are used\"\"\"\n dm = self._dep_map\n deps = []\n deps.extend(dm.get(None, ()))\n for ext in extras:\n try:\n deps.extend(dm[safe_extra(ext)])\n except KeyError:\n raise UnknownExtra(\n \"%s has no such extra feature %r\" % (self, ext)\n )\n return deps\n\n def _get_metadata(self, name):\n if self.has_metadata(name):\n for line in self.get_metadata_lines(name):\n yield line\n\n def activate(self, path=None, replace=False):\n \"\"\"Ensure distribution is importable on `path` (default=sys.path)\"\"\"\n if path is None:\n path = sys.path\n self.insert_on(path, replace=replace)\n if path is sys.path:\n fixup_namespace_packages(self.location)\n for pkg in self._get_metadata('namespace_packages.txt'):\n if pkg in sys.modules:\n declare_namespace(pkg)\n\n def egg_name(self):\n \"\"\"Return what this distribution's standard .egg filename should be\"\"\"\n filename = \"%s-%s-py%s\" % (\n to_filename(self.project_name), to_filename(self.version),\n self.py_version or PY_MAJOR\n )\n\n if self.platform:\n filename += '-' + self.platform\n return filename\n\n def __repr__(self):\n if self.location:\n return \"%s (%s)\" % (self, self.location)\n else:\n return str(self)\n\n def __str__(self):\n try:\n version = getattr(self, 'version', None)\n except ValueError:\n version = None\n version = version or \"[unknown version]\"\n return \"%s %s\" % (self.project_name, version)\n\n def __getattr__(self, attr):\n \"\"\"Delegate all unrecognized public attributes to .metadata provider\"\"\"\n if attr.startswith('_'):\n raise AttributeError(attr)\n return getattr(self._provider, attr)\n\n def __dir__(self):\n return list(\n set(super(Distribution, self).__dir__())\n | set(\n attr for attr in self._provider.__dir__()\n if not attr.startswith('_')\n )\n )\n\n if not hasattr(object, '__dir__'):\n # python 2.7 not supported\n del __dir__\n\n @classmethod\n def from_filename(cls, filename, metadata=None, **kw):\n return cls.from_location(\n _normalize_cached(filename), os.path.basename(filename), metadata,\n **kw\n )\n\n def as_requirement(self):\n \"\"\"Return a ``Requirement`` that matches this distribution exactly\"\"\"\n if isinstance(self.parsed_version, packaging.version.Version):\n spec = \"%s==%s\" % (self.project_name, self.parsed_version)\n else:\n spec = \"%s===%s\" % (self.project_name, self.parsed_version)\n\n return Requirement.parse(spec)\n\n def load_entry_point(self, group, name):\n \"\"\"Return the `name` entry point of `group` or raise ImportError\"\"\"\n ep = self.get_entry_info(group, name)\n if ep is None:\n raise ImportError(\"Entry point %r not found\" % ((group, name),))\n return ep.load()\n\n def get_entry_map(self, group=None):\n \"\"\"Return the entry point map for `group`, or the full entry map\"\"\"\n try:\n ep_map = self._ep_map\n except AttributeError:\n ep_map = self._ep_map = EntryPoint.parse_map(\n self._get_metadata('entry_points.txt'), self\n )\n if group is not None:\n return ep_map.get(group, {})\n return ep_map\n\n def get_entry_info(self, group, name):\n \"\"\"Return the EntryPoint object for `group`+`name`, or ``None``\"\"\"\n return self.get_entry_map(group).get(name)\n\n def insert_on(self, path, loc=None, replace=False):\n \"\"\"Ensure self.location is on path\n\n If replace=False (default):\n - If location is already in path anywhere, do nothing.\n - Else:\n - If it's an egg and its parent directory is on path,\n insert just ahead of the parent.\n - Else: add to the end of path.\n If replace=True:\n - If location is already on path anywhere (not eggs)\n or higher priority than its parent (eggs)\n do nothing.\n - Else:\n - If it's an egg and its parent directory is on path,\n insert just ahead of the parent,\n removing any lower-priority entries.\n - Else: add it to the front of path.\n \"\"\"\n\n loc = loc or self.location\n if not loc:\n return\n\n nloc = _normalize_cached(loc)\n bdir = os.path.dirname(nloc)\n npath = [(p and _normalize_cached(p) or p) for p in path]\n\n for p, item in enumerate(npath):\n if item == nloc:\n if replace:\n break\n else:\n # don't modify path (even removing duplicates) if\n # found and not replace\n return\n elif item == bdir and self.precedence == EGG_DIST:\n # if it's an .egg, give it precedence over its directory\n # UNLESS it's already been added to sys.path and replace=False\n if (not replace) and nloc in npath[p:]:\n return\n if path is sys.path:\n self.check_version_conflict()\n path.insert(p, loc)\n npath.insert(p, nloc)\n break\n else:\n if path is sys.path:\n self.check_version_conflict()\n if replace:\n path.insert(0, loc)\n else:\n path.append(loc)\n return\n\n # p is the spot where we found or inserted loc; now remove duplicates\n while True:\n try:\n np = npath.index(nloc, p + 1)\n except ValueError:\n break\n else:\n del npath[np], path[np]\n # ha!\n p = np\n\n return\n\n def check_version_conflict(self):\n if self.key == 'setuptools':\n # ignore the inevitable setuptools self-conflicts :(\n return\n\n nsp = dict.fromkeys(self._get_metadata('namespace_packages.txt'))\n loc = normalize_path(self.location)\n for modname in self._get_metadata('top_level.txt'):\n if (modname not in sys.modules or modname in nsp\n or modname in _namespace_packages):\n continue\n if modname in ('pkg_resources', 'setuptools', 'site'):\n continue\n fn = getattr(sys.modules[modname], '__file__', None)\n if fn and (normalize_path(fn).startswith(loc) or\n fn.startswith(self.location)):\n continue\n issue_warning(\n \"Module %s was already imported from %s, but %s is being added\"\n \" to sys.path\" % (modname, fn, self.location),\n )\n\n def has_version(self):\n try:\n self.version\n except ValueError:\n issue_warning(\"Unbuilt egg for \" + repr(self))\n return False\n return True\n\n def clone(self, **kw):\n \"\"\"Copy this distribution, substituting in any changed keyword args\"\"\"\n names = 'project_name version py_version platform location precedence'\n for attr in names.split():\n kw.setdefault(attr, getattr(self, attr, None))\n kw.setdefault('metadata', self._provider)\n return self.__class__(**kw)\n\n @property\n def extras(self):\n return [dep for dep in self._dep_map if dep]\n\n\nclass EggInfoDistribution(Distribution):\n def _reload_version(self):\n \"\"\"\n Packages installed by distutils (e.g. numpy or scipy),\n which uses an old safe_version, and so\n their version numbers can get mangled when\n converted to filenames (e.g., 1.11.0.dev0+2329eae to\n 1.11.0.dev0_2329eae). These distributions will not be\n parsed properly\n downstream by Distribution and safe_version, so\n take an extra step and try to get the version number from\n the metadata file itself instead of the filename.\n \"\"\"\n md_version = _version_from_file(self._get_metadata(self.PKG_INFO))\n if md_version:\n self._version = md_version\n return self\n\n\nclass DistInfoDistribution(Distribution):\n \"\"\"\n Wrap an actual or potential sys.path entry\n w/metadata, .dist-info style.\n \"\"\"\n PKG_INFO = 'METADATA'\n EQEQ = re.compile(r\"([\\(,])\\s*(\\d.*?)\\s*([,\\)])\")\n\n @property\n def _parsed_pkg_info(self):\n \"\"\"Parse and cache metadata\"\"\"\n try:\n return self._pkg_info\n except AttributeError:\n metadata = self.get_metadata(self.PKG_INFO)\n self._pkg_info = email.parser.Parser().parsestr(metadata)\n return self._pkg_info\n\n @property\n def _dep_map(self):\n try:\n return self.__dep_map\n except AttributeError:\n self.__dep_map = self._compute_dependencies()\n return self.__dep_map\n\n def _compute_dependencies(self):\n \"\"\"Recompute this distribution's dependencies.\"\"\"\n dm = self.__dep_map = {None: []}\n\n reqs = []\n # Including any condition expressions\n for req in self._parsed_pkg_info.get_all('Requires-Dist') or []:\n reqs.extend(parse_requirements(req))\n\n def reqs_for_extra(extra):\n for req in reqs:\n if not req.marker or req.marker.evaluate({'extra': extra}):\n yield req\n\n common = frozenset(reqs_for_extra(None))\n dm[None].extend(common)\n\n for extra in self._parsed_pkg_info.get_all('Provides-Extra') or []:\n s_extra = safe_extra(extra.strip())\n dm[s_extra] = list(frozenset(reqs_for_extra(extra)) - common)\n\n return dm\n\n\n_distributionImpl = {\n '.egg': Distribution,\n '.egg-info': EggInfoDistribution,\n '.dist-info': DistInfoDistribution,\n}\n\n\ndef issue_warning(*args, **kw):\n level = 1\n g = globals()\n try:\n # find the first stack frame that is *not* code in\n # the pkg_resources module, to use for the warning\n while sys._getframe(level).f_globals is g:\n level += 1\n except ValueError:\n pass\n warnings.warn(stacklevel=level + 1, *args, **kw)\n\n\nclass RequirementParseError(ValueError):\n def __str__(self):\n return ' '.join(self.args)\n\n\ndef parse_requirements(strs):\n \"\"\"Yield ``Requirement`` objects for each specification in `strs`\n\n `strs` must be a string, or a (possibly-nested) iterable thereof.\n \"\"\"\n # create a steppable iterator, so we can handle \\-continuations\n lines = iter(yield_lines(strs))\n\n for line in lines:\n # Drop comments -- a hash without a space may be in a URL.\n if ' #' in line:\n line = line[:line.find(' #')]\n # If there is a line continuation, drop it, and append the next line.\n if line.endswith('\\\\'):\n line = line[:-2].strip()\n try:\n line += next(lines)\n except StopIteration:\n return\n yield Requirement(line)\n\n\nclass Requirement(packaging.requirements.Requirement):\n def __init__(self, requirement_string):\n \"\"\"DO NOT CALL THIS UNDOCUMENTED METHOD; use Requirement.parse()!\"\"\"\n try:\n super(Requirement, self).__init__(requirement_string)\n except packaging.requirements.InvalidRequirement as e:\n raise RequirementParseError(str(e))\n self.unsafe_name = self.name\n project_name = safe_name(self.name)\n self.project_name, self.key = project_name, project_name.lower()\n self.specs = [\n (spec.operator, spec.version) for spec in self.specifier]\n self.extras = tuple(map(safe_extra, self.extras))\n self.hashCmp = (\n self.key,\n self.specifier,\n frozenset(self.extras),\n str(self.marker) if self.marker else None,\n )\n self.__hash = hash(self.hashCmp)\n\n def __eq__(self, other):\n return (\n isinstance(other, Requirement) and\n self.hashCmp == other.hashCmp\n )\n\n def __ne__(self, other):\n return not self == other\n\n def __contains__(self, item):\n if isinstance(item, Distribution):\n if item.key != self.key:\n return False\n\n item = item.version\n\n # Allow prereleases always in order to match the previous behavior of\n # this method. In the future this should be smarter and follow PEP 440\n # more accurately.\n return self.specifier.contains(item, prereleases=True)\n\n def __hash__(self):\n return self.__hash\n\n def __repr__(self):\n return \"Requirement.parse(%r)\" % str(self)\n\n @staticmethod\n def parse(s):\n req, = parse_requirements(s)\n return req\n\n\ndef _always_object(classes):\n \"\"\"\n Ensure object appears in the mro even\n for old-style classes.\n \"\"\"\n if object not in classes:\n return classes + (object,)\n return classes\n\n\ndef _find_adapter(registry, ob):\n \"\"\"Return an adapter factory for `ob` from `registry`\"\"\"\n types = _always_object(inspect.getmro(getattr(ob, '__class__', type(ob))))\n for t in types:\n if t in registry:\n return registry[t]\n\n\ndef ensure_directory(path):\n \"\"\"Ensure that the parent directory of `path` exists\"\"\"\n dirname = os.path.dirname(path)\n py31compat.makedirs(dirname, exist_ok=True)\n\n\ndef _bypass_ensure_directory(path):\n \"\"\"Sandbox-bypassing version of ensure_directory()\"\"\"\n if not WRITE_SUPPORT:\n raise IOError('\"os.mkdir\" not supported on this platform.')\n dirname, filename = split(path)\n if dirname and filename and not isdir(dirname):\n _bypass_ensure_directory(dirname)\n try:\n mkdir(dirname, 0o755)\n except FileExistsError:\n pass\n\n\ndef split_sections(s):\n \"\"\"Split a string or iterable thereof into (section, content) pairs\n\n Each ``section`` is a stripped version of the section header (\"[section]\")\n and each ``content`` is a list of stripped lines excluding blank lines and\n comment-only lines. If there are any such lines before the first section\n header, they're returned in a first ``section`` of ``None``.\n \"\"\"\n section = None\n content = []\n for line in yield_lines(s):\n if line.startswith(\"[\"):\n if line.endswith(\"]\"):\n if section or content:\n yield section, content\n section = line[1:-1].strip()\n content = []\n else:\n raise ValueError(\"Invalid section heading\", line)\n else:\n content.append(line)\n\n # wrap up last segment\n yield section, content\n\n\ndef _mkstemp(*args, **kw):\n old_open = os.open\n try:\n # temporarily bypass sandboxing\n os.open = os_open\n return tempfile.mkstemp(*args, **kw)\n finally:\n # and then put it back\n os.open = old_open\n\n\n# Silence the PEP440Warning by default, so that end users don't get hit by it\n# randomly just because they use pkg_resources. We want to append the rule\n# because we want earlier uses of filterwarnings to take precedence over this\n# one.\nwarnings.filterwarnings(\"ignore\", category=PEP440Warning, append=True)\n\n\n# from jaraco.functools 1.3\ndef _call_aside(f, *args, **kwargs):\n f(*args, **kwargs)\n return f\n\n\n@_call_aside\ndef _initialize(g=globals()):\n \"Set up global resource manager (deliberately not state-saved)\"\n manager = ResourceManager()\n g['_manager'] = manager\n g.update(\n (name, getattr(manager, name))\n for name in dir(manager)\n if not name.startswith('_')\n )\n\n\n@_call_aside\ndef _initialize_master_working_set():\n \"\"\"\n Prepare the master working set and make the ``require()``\n API available.\n\n This function has explicit effects on the global state\n of pkg_resources. It is intended to be invoked once at\n the initialization of this module.\n\n Invocation by other packages is unsupported and done\n at their own risk.\n \"\"\"\n working_set = WorkingSet._build_master()\n _declare_state('object', working_set=working_set)\n\n require = working_set.require\n iter_entry_points = working_set.iter_entry_points\n add_activation_listener = working_set.subscribe\n run_script = working_set.run_script\n # backward compatibility\n run_main = run_script\n # Activate all distributions already on sys.path with replace=False and\n # ensure that all distributions added to the working set in the future\n # (e.g. by calling ``require()``) will get activated as well,\n # with higher priority (replace=True).\n tuple(\n dist.activate(replace=False)\n for dist in working_set\n )\n add_activation_listener(\n lambda dist: dist.activate(replace=True),\n existing=False,\n )\n working_set.entries = []\n # match order\n list(map(working_set.add_entry, sys.path))\n globals().update(locals())\n"},"domain":{"kind":"string","value":"codeparrot/github-code-clean"}}}],"truncated":false,"partial":false},"paginationData":{"pageIndex":2277,"numItemsPerPage":100,"numTotalItems":228459,"offset":227700,"length":100}},"jwt":"eyJhbGciOiJFZERTQSIsImtpZCI6IjVHZDBvd0g5MTM2eDZjc1FvbE1zcktNWUZoRVFoUm5PVVVybEpjOUhaUEEifQ.eyJyZWFkIjp0cnVlLCJwZXJtaXNzaW9ucyI6eyJyZXBvLmNvbnRlbnQucmVhZCI6dHJ1ZX0sImlhdCI6MTc4NjkzODg1OCwianRpIjoiYTE4MWJjZTItNzg5YS00NWFhLWJkYTQtZTgwODJlZTgyMWYxIiwic3ViIjoiL2RhdGFzZXRzL0phY2tCaW5hcnkvTWl4ZWRUZXh0LTIiLCJleHAiOjE3ODY5NDI0NTgsImlzcyI6Imh0dHBzOi8vaHVnZ2luZ2ZhY2UuY28ifQ.oonhUZx6IzIPlhoFsBm6MUm45j-Iua7wkTuVjzIumvm7fNrCtQf2VUo82icGgtTMqSNwSeH1BAYGes3-x-k6CQ","displayUrls":true,"splitSizeSummaries":[{"config":"default","split":"train","numRows":228459,"numBytesParquet":7695109915}]},"discussionsStats":{"closed":0,"open":1,"total":1},"fullWidth":true,"hasGatedAccess":true,"hasFullAccess":true,"isEmbedded":false,"savedQueries":{"community":[],"user":[]}}">
text stringlengths 5.09k 178k | domain stringclasses 106
values |
|---|---|
# Copyright 2012 OpenStack Foundation
# All Rights Reserved
#
# Licensed under the Apache License, Version 2.0 (the "License"); you may
# not use this file except in compliance with the License. You may obtain
# a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless requi... | codeparrot/github-code-clean |
##########################################################################
#
# Copyright (c) 2013-2015, Image Engine Design Inc. All rights reserved.
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions are
# met:
#
# * Redis... | codeparrot/github-code-clean |
"""
Provides full versioning CRUD and representation for collections of xblocks (e.g., courses, modules, etc).
Representation:
* course_index: a dictionary:
** '_id': a unique id which cannot change,
** 'org': the org's id. Only used for searching not identity,
** 'course': the course's catalog number
... | codeparrot/github-code-clean |
# -*- coding: utf-8 -*-
"""QGIS Unit tests for QgsServer API.
From build dir, run: ctest -R PyQgsServerApi -V
.. note:: This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the Licens... | codeparrot/github-code-clean |
#!/usr/bin/env python
#
# run-tests.py - Run a set of tests on Mercurial
#
# Copyright 2006 Matt Mackall <mpm@selenic.com>
#
# This software may be used and distributed according to the terms of the
# GNU General Public License version 2 or any later version.
# Modifying this script is tricky because it has many modes... | codeparrot/github-code-clean |
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU Affero General Public License as published by
# the Free Software Foundation; either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be usefu... | codeparrot/github-code-clean |
####################################################################################################
# neuropythy/vision/retinotopy.py
# Tools for registering the cortical surface to a particular potential function
# By Noah C. Benson
import numpy as np
import numpy.linalg as np... | codeparrot/github-code-clean |
from __future__ import absolute_import, print_function, division
from copy import copy
import sys
from textwrap import dedent
import warnings
import logging
import numpy
from six import integer_types
from six.moves import xrange
import theano
from theano.compat import izip
from theano.gradient import DisconnectedType... | codeparrot/github-code-clean |
import copy
from datetime import timedelta
from textwrap import dedent
from typing import Dict, Optional, Union, no_type_check
import numpy as np
from pandas._libs import lib
from pandas._libs.tslibs import (
IncompatibleFrequency,
NaT,
Period,
Timedelta,
Timestamp,
to_offset,
)
from pandas._t... | codeparrot/github-code-clean |
import tempfile
import sys
import os
import numpy as np
from numpy.testing import *
from numpy.core import *
from numpy.core.multiarray_tests import test_neighborhood_iterator, test_neighborhood_iterator_oob
from numpy.compat import asbytes, getexception, strchar
from test_print import in_foreign_locale
class TestFl... | codeparrot/github-code-clean |
#!/usr/bin/env python
#
# Please follow
# http://projects.scipy.org/numpy/wiki/CodingStyleGuidelines
#
# Author: Pearu Peterson
# Created: July 2009
"""
See http://pylibnidaqmx.googlecode.com/
"""
from __future__ import print_function
__all__ = ['AnalogInputTask', 'AnalogOutputTask',
'DigitalInputTask',... | codeparrot/github-code-clean |
# Licensed under a 3-clause BSD style license - see LICENSE.rst
# -*- coding: utf-8 -*-
"""
desitarget.randoms
==================
Monte Carlo Legacy Surveys imaging at the pixel level to model the imaging footprint
"""
import os
import numpy as np
import astropy.io.fits as fits
from astropy.wcs import WCS
from time im... | codeparrot/github-code-clean |
# Copyright 2015 The TensorFlow Authors. All Rights Reserved.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applica... | codeparrot/github-code-clean |
# #START_LICENSE###########################################################
#
#
# This file is part of the Environment for Tree Exploration program
# (ETE). http://etetoolkit.org
#
# ETE is free software: you can redistribute it and/or modify it
# under the terms of the GNU General Public License as published by
# t... | codeparrot/github-code-clean |
#
# @BEGIN LICENSE
#
# Psi4: an open-source quantum chemistry software package
#
# Copyright (c) 2007-2017 The Psi4 Developers.
#
# The copyrights for code used from other parties are included in
# the corresponding files.
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of ... | codeparrot/github-code-clean |
# -*- coding: utf-8 -*-
from __future__ import unicode_literals
import copy
import datetime
from django.conf import settings
from django.core.files.uploadedfile import SimpleUploadedFile
from django.forms import *
from django.forms.widgets import RadioFieldRenderer
from django.utils import formats
from django.utils.s... | codeparrot/github-code-clean |
# -*- coding: utf-8 -*-
"""
Unit tests for instructor.api methods.
"""
import datetime
import functools
import io
import json
import random
import shutil
import tempfile
import ddt
from boto.exception import BotoServerError
from django.conf import settings
from django.contrib.auth.models import User
from django.core i... | codeparrot/github-code-clean |
# coding: utf-8
from __future__ import print_function, division, absolute_import
from fontTools.misc.py23 import *
otData = [
#
# common
#
('LookupOrder', []),
('ScriptList', [
('uint16', 'ScriptCount', None, None, 'Number of ScriptRecords'),
('struct', 'ScriptRecord', 'ScriptCount', 0, 'Array of ScriptRec... | codeparrot/github-code-clean |
#!/usr/bin/python
# Working script to generate maps from wrfout netCDF files
# using matplot lib with basemap
# Basemap coding from David John Gagne II
# Written by Luke Madaus for use with operational WRF domains
from matplotlib.colors import LinearSegmentedColormap
def RdBufloat(valrange):
# Will define ... | codeparrot/github-code-clean |
#!/usr/bin/python
# -*- coding: utf-8 -*-
"""pefile, Portable Executable reader module
All the PE file basic structures are available with their default names as
attributes of the instance returned.
Processed elements such as the import table are made available with lowercase
names, to differentiate them from the upp... | codeparrot/github-code-clean |
# -*- coding: utf-8 -*-
import curses
from copy import deepcopy
from textwrap import wrap
import glob
import csv
from os import path, sep, remove
from sys import platform
from .common import *
from .window_stack import Window_Stack_Constants
from .cjkwrap import cjklen
from .config import SUPPORTED_PLAYERS
from .encod... | codeparrot/github-code-clean |
#----------------------------------------------------------------------
# This file was generated by encode_bitmaps.py
#
from wx.lib.embeddedimage import PyEmbeddedImage
Mondrian = PyEmbeddedImage(
"iVBORw0KGgoAAAANSUhEUgAAACAAAAAgCAYAAABzenr0AAAABHNCSVQICAgIfAhkiAAAAHFJ"
"REFUWIXt1jsKgDAQRdF7xY25cpcWC60kioI6F... | codeparrot/github-code-clean |
#!/usr/bin/env python
# -*- coding: utf-8 -*-
""" Loaders and downloaders for data files and models required for the examples in NLP in Action
>>> df = get_data('cities_us')
>>> df.iloc[:3,:2]
geonameid city
131484 4295856 Indian Hills Cherokee Section
137549 5322551 ... | codeparrot/github-code-clean |
# TODO: OSErrors / can.CanErrors are thrown if the CAN bus goes down, need to do threaded Exception handling
# See http://stackoverflow.com/questions/2829329/catch-a-threads-exception-in-the-caller-thread-in-python
# TODO: Check for BUS-OFF before attempting to send
# TODO: NMT error handler (CiA302-2)
from binasc... | codeparrot/github-code-clean |
# -*- encoding: utf8 -*-
#
# The Qubes OS Project, http://www.qubes-os.org
#
# Copyright (C) 2017 Marek Marczykowski-Górecki
# <marmarek@invisiblethingslab.com>
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU Lesser General Public Li... | codeparrot/github-code-clean |
# vim: tabstop=4 shiftwidth=4 softtabstop=4
# Copyright (c) 2011 X.commerce, a business unit of eBay Inc.
# Copyright 2010 United States Government as represented by the
# Administrator of the National Aeronautics and Space Administration.
# All Rights Reserved.
#
# Licensed under the Apache License, Version 2.0 (t... | codeparrot/github-code-clean |
# Py2 compat
from __future__ import print_function
from future import standard_library
standard_library.install_aliases()
from past.builtins import basestring
# standard lib
import copy
import datetime
from decimal import *
from functools import reduce
import imp
import json
import math
import os
import random
import ... | codeparrot/github-code-clean |
"""
.. module:: tests.test
:platform: Unix, Windows
:synopsis: Graph-talk unit tests
.. moduleauthor:: Stas Kravets (krvss) <stas.kravets@gmail.com>
"""
import unittest
from inspect import ArgSpec
import os
from gt.debug import *
from gt.export import *
# Test functions
def state_v_starter(**context):
i... | codeparrot/github-code-clean |
# -*- coding: utf-8 -*-
# Copyright (c) 2012 The Chromium OS Authors. All rights reserved.
# Use of this source code is governed by a BSD-style license that can be
# found in the LICENSE file.
"""Unittests for commands."""
from __future__ import print_function
import base64
import collections
import datetime as dt
i... | codeparrot/github-code-clean |
#!/usr/bin/env python
#============================================================================
# Copyright (c) Microsoft Corporation. All rights reserved. See license.txt for license information.
#============================================================================
import os
import sys
import imp
import co... | codeparrot/github-code-clean |
from __future__ import unicode_literals
import bz2
from django.core.files.uploadedfile import SimpleUploadedFile
from django.http import HttpResponse
from django.test import RequestFactory
from django.utils.six.moves import zip_longest
from djblets.cache.backend import cache_memoize
from djblets.db.fields import Base... | codeparrot/github-code-clean |
#!/usr/bin/python
#Audio Tools, a module and set of tools for manipulating audio data
#Copyright (C) 2007-2012 Brian Langenberger
#This program is free software; you can redistribute it and/or modify
#it under the terms of the GNU General Public License as published by
#the Free Software Foundation; either version 2... | codeparrot/github-code-clean |
# -*- coding: utf-8 -*-
# vim: tabstop=4 shiftwidth=4 softtabstop=4
#
# LICENSE
#
# Copyright (c) 2015 GEM Foundation
#
# The Catalogue Toolkit is free software: you can redistribute
# it and/or modify it under the terms of the GNU Affero General Public
# License as published by the Free Software Foundation, either ... | codeparrot/github-code-clean |
# Copyright 2015 The TensorFlow Authors. All Rights Reserved.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applica... | codeparrot/github-code-clean |
import fractions
import operator
import os
import random
import sys
import struct
import time
import unittest
from test import support
from test.test_grammar import (VALID_UNDERSCORE_LITERALS,
INVALID_UNDERSCORE_LITERALS)
from math import isinf, isnan, copysign, ldexp
INF = float("inf")... | codeparrot/github-code-clean |
#
# Author: Travis Oliphant, 2002
#
from __future__ import division, print_function, absolute_import
import warnings
import numpy as np
from scipy._lib.six import xrange
from numpy import (pi, asarray, floor, isscalar, iscomplex, real, imag, sqrt,
where, mgrid, sin, place, issubdtype, extract,
... | codeparrot/github-code-clean |
#! /usr/bin/env python
"""
This page is in the table of contents.
Fill is a script to fill the perimeters of a gcode file.
The fill manual page is at:
http://fabmetheus.crsndoo.com/wiki/index.php/Skeinforge_Fill
Allan Ecker aka The Masked Retriever has written the "Skeinforge Quicktip: Fill" at:
http://blog.thingiver... | codeparrot/github-code-clean |
from pybindgen import Module, FileCodeSink, param, retval, cppclass, typehandlers
import pybindgen.settings
import warnings
class ErrorHandler(pybindgen.settings.ErrorHandler):
def handle_error(self, wrapper, exception, traceback_):
warnings.warn("exception %r in wrapper %s" % (exception, wrapper))
... | codeparrot/github-code-clean |
# -*- coding: utf-8 -*-
##############################################################################
#
# OpenERP, Open Source Management Solution
# Copyright (C) 2004-2010 Tiny SPRL (<http://tiny.be>).
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU... | codeparrot/github-code-clean |
from pybindgen import Module, FileCodeSink, param, retval, cppclass, typehandlers
import pybindgen.settings
import warnings
class ErrorHandler(pybindgen.settings.ErrorHandler):
def handle_error(self, wrapper, exception, traceback_):
warnings.warn("exception %r in wrapper %s" % (exception, wrapper))
... | codeparrot/github-code-clean |
# coding=utf-8
# --------------------------------------------------------------------------
# Copyright (c) Microsoft Corporation. All rights reserved.
# Licensed under the MIT License. See License.txt in the project root for license information.
# Code generated by Microsoft (R) AutoRest Code Generator.
# Changes may ... | codeparrot/github-code-clean |
# coding=utf-8
# --------------------------------------------------------------------------
# Copyright (c) Microsoft Corporation. All rights reserved.
# Licensed under the MIT License. See License.txt in the project root for license information.
# Code generated by Microsoft (R) AutoRest Code Generator.
# Changes may ... | codeparrot/github-code-clean |
"""
Author: Justin Cappos
Module: A shell for Seattle called seash (pronounced see-SHH). It's not meant
to be the perfect shell, but it should be good enough for v0.1
Start date: September 18th, 2008
This is an example experiment manager for Seattle. It allows a user to
locate vessels they control and ... | codeparrot/github-code-clean |
"""Base Class and Utilities for C/C++ Compiler Tools.
@see: Cake Build System (http://sourceforge.net/projects/cake-build)
@copyright: Copyright (c) 2010 Lewis Baker, Stuart McMahon.
@license: Licensed under the MIT license.
"""
import sys
import weakref
import os
import os.path
import datetime
import tempfile
import... | codeparrot/github-code-clean |
# coding=utf-8
# --------------------------------------------------------------------------
# Copyright (c) Microsoft Corporation. All rights reserved.
# Licensed under the MIT License. See License.txt in the project root for license information.
# Code generated by Microsoft (R) AutoRest Code Generator.
# Changes may ... | codeparrot/github-code-clean |
"""
Student Views
"""
import datetime
import logging
import uuid
import time
import json
import warnings
from collections import defaultdict
from pytz import UTC
from pprint import pprint
from ipware.ip import get_ip
from django.conf import settings
from django.contrib.auth import logout, authenticate, login
from djan... | codeparrot/github-code-clean |
# -*- coding: utf-8 -*-
#
# Library to extract EXIF information from digital camera image files
# http://sourceforge.net/projects/exif-py/
#
# VERSION 1.1.0
#
# To use this library call with:
# f = open(path_name, 'rb')
# tags = EXIF.process_file(f)
#
# To ignore MakerNote tags, pass the -q or --quick
# command l... | codeparrot/github-code-clean |
# Copyright (c) 2010-2012 OpenStack Foundation
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agree... | codeparrot/github-code-clean |
# Copyright (c) 2011 X.commerce, a business unit of eBay Inc.
# Copyright 2010 United States Government as represented by the
# Administrator of the National Aeronautics and Space Administration.
# All Rights Reserved.
# Copyright 2013 IBM Corp.
#
# Licensed under the Apache License, Version 2.0 (the "License"); you... | codeparrot/github-code-clean |
# Copyright 2008-2015 Nokia Solutions and Networks
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable l... | codeparrot/github-code-clean |
# Copyright 2015 The TensorFlow Authors. All Rights Reserved.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applica... | codeparrot/github-code-clean |
#
#
# Copyright (C) 2008, 2009, 2010, 2011, 2012, 2013, 2014 Google Inc.
# All rights reserved.
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions are
# met:
#
# 1. Redistributions of source code must retain the above copyright no... | codeparrot/github-code-clean |
# Copyright (c) 2013 Google Inc. All rights reserved.
# Use of this source code is governed by a BSD-style license that can be
# found in the LICENSE file.
# Notes:
#
# This is all roughly based on the Makefile system used by the Linux
# kernel, but is a non-recursive make -- we put the entire dependency
# graph in fr... | codeparrot/github-code-clean |
import _surface
import chimera
try:
import chimera.runCommand
except:
pass
from VolumePath import markerset as ms
try:
from VolumePath import Marker_Set, Link
new_marker_set=Marker_Set
except:
from VolumePath import volume_path_dialog
d= volume_path_dialog(True)
new_marker_set= d.new_marker_set
marker_set... | codeparrot/github-code-clean |
#!/usr/bin/env python
# Copyright 2010 Google Inc. All Rights Reserved.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required ... | codeparrot/github-code-clean |
# Copyright 2017 The TensorFlow Authors. All Rights Reserved.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applica... | codeparrot/github-code-clean |
#!/usr/bin/python -t
"""Handle actual output from the cli."""
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# This... | codeparrot/github-code-clean |
import re
from typing import (
Iterable,
List,
Tuple,
)
from pcs.cli.common.output import format_with_indentation
from pcs.cli.reports.output import print_to_stderr
from pcs.common.str_tools import (
indent,
outdent,
)
# pylint: disable=too-many-lines, too-many-branches, global-statement
examples... | codeparrot/github-code-clean |
"""
Name: u3.py
Desc: Defines the U3 class, which makes working with a U3 much easier. All of
the low-level functions for the U3 are implemented as functions of the U3
class. There are also a handful additional functions which improve upon
the interface provided by the low-level functions.
To learn a... | codeparrot/github-code-clean |
import numpy as np
from astropy.table import Table
from astropy.io import fits
import matplotlib.pyplot as plt
import matplotlib
import pickle
from TheCannon_2 import dataset,apogee
from TheCannon_2 import model
pkl_file = open('wl.pkl', 'rb')
wl = pickle.load(pkl_file)
pkl_file.close()
# load path
pkl_file = op... | codeparrot/github-code-clean |
from __future__ import absolute_import
import wx
from wx.lib.pubsub import pub
import wx.lib.layoutf as layoutf
import numpy as np
import threading
import warnings
import psutil
import time
import os
import sys
import pickle
import glob
from astropy.io import fits
from astropy import wcs
from astropy.coordinates import... | codeparrot/github-code-clean |
import time, os.path, platform, stat, re, simplejson, struct
import mock
from twisted.trial import unittest
from twisted.internet import defer
from twisted.application import service
from foolscap.api import fireEventually
import itertools
from allmydata import interfaces
from allmydata.util import fileutil, hashuti... | codeparrot/github-code-clean |
# ##### BEGIN GPL LICENSE BLOCK #####
#
# This program is free software; you can redistribute it and/or
# modify it under the terms of the GNU General Public License
# as published by the Free Software Foundation; either version 2
# of the License, or (at your option) any later version.
#
# This program is distributed ... | codeparrot/github-code-clean |
# (C) British Crown Copyright 2010 - 2014, Met Office
#
# This file is part of Iris.
#
# Iris is free software: you can redistribute it and/or modify it under
# the terms of the GNU Lesser General Public License as published by the
# Free Software Foundation, either version 3 of the License, or
# (at your option) any l... | codeparrot/github-code-clean |
# Lint as: python2, python3
# Copyright 2019 The TensorFlow Authors. All Rights Reserved.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
... | codeparrot/github-code-clean |
# Copyright (c) 2014 Red Hat, Inc.
# All Rights Reserved.
#
# Licensed under the Apache License, Version 2.0 (the "License"); you may
# not use this file except in compliance with the License. You may obtain
# a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless require... | codeparrot/github-code-clean |
# Licensed to Elasticsearch B.V. under one or more contributor
# license agreements. See the NOTICE file distributed with
# this work for additional information regarding copyright
# ownership. Elasticsearch B.V. licenses this file to you under
# the Apache License, Version 2.0 (the "License"); you may
# not use ... | codeparrot/github-code-clean |
# -*- coding: utf-8 -*-
from __future__ import absolute_import, division, print_function, unicode_literals # NOQA
from ibeis.algo.verif import vsone
from ibeis.scripts._thesis_helpers import DBInputs
from ibeis.scripts._thesis_helpers import Tabular, upper_one, ave_str
from ibeis.scripts._thesis_helpers import TMP_RC,... | codeparrot/github-code-clean |
# Copyright 2014 Red Hat, Inc.
#
# Licensed under the Apache License, Version 2.0 (the "License"); you may
# not use this file except in compliance with the License. You may obtain
# a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, ... | codeparrot/github-code-clean |
"""
In this module, we define the coordinate representation classes, which are
used to represent low-level cartesian, spherical, cylindrical, and other
coordinates.
"""
import abc
import functools
import operator
import inspect
import warnings
import numpy as np
import astropy.units as u
from erfa import ufunc as erf... | codeparrot/github-code-clean |
from __future__ import print_function, division
from sympy.core import Expr, S, sympify, oo, pi, Symbol
from sympy.core.compatibility import as_int, range
from sympy.functions.elementary.complexes import sign
from sympy.functions.elementary.piecewise import Piecewise
from sympy.functions.elementary.trigonometric impor... | codeparrot/github-code-clean |
# Copyright (c) 2011 The Chromium OS Authors. All rights reserved.
# Use of this source code is governed by a BSD-style license that can be
# found in the LICENSE file.
"""Cros unit test library, with utility functions."""
from __future__ import print_function
import collections
import contextlib
import cookielib
im... | codeparrot/github-code-clean |
# -*- coding: utf-8 -*-
"""The documentation functions."""
# Authors: Eric Larson <larson.eric.d@gmail.com>
#
# License: BSD (3-clause)
from copy import deepcopy
import inspect
import os
import os.path as op
import sys
import warnings
import webbrowser
from .config import get_config
from ..defaults import HEAD_SIZE_D... | codeparrot/github-code-clean |
# Copyright (c) 2013 Google Inc. All rights reserved.
# Use of this source code is governed by a BSD-style license that can be
# found in the LICENSE file.
# Notes:
#
# This is all roughly based on the Makefile system used by the Linux
# kernel, but is a non-recursive make -- we put the entire dependency
# graph in fr... | codeparrot/github-code-clean |
from __future__ import division, absolute_import, print_function
import sys
import platform
from decimal import Decimal
import warnings
import itertools
import numpy as np
from numpy.core import *
from numpy.random import rand, randint, randn
from numpy.testing import *
from numpy.core.multiarray import dot as dot_
... | codeparrot/github-code-clean |
"""Tests for the user API at the HTTP request level. """
import datetime
import json
from unittest import skipUnless
import ddt
import httpretty
import mock
from django.conf import settings
from django.contrib.auth.models import User
from django.core import mail
from django.core.urlresolvers import reverse
from djang... | codeparrot/github-code-clean |
#
# Copyright (c) 2017 Intel Corporation
# SPDX-License-Identifier: BSD-2-Clause
#
import numpy
import operator
from numba.core import types, ir, config, cgutils, errors
from numba.core.ir_utils import (
mk_unique_var,
find_topo_order,
dprint_func_ir,
get_global_func_typ,
guard,
require,
ge... | codeparrot/github-code-clean |
# -*- coding: utf-8 -*-
##
## This file is part of CDS Invenio.
## Copyright (C) 2002, 2003, 2004, 2005, 2006, 2007, 2008 CERN.
##
## CDS Invenio is free software; you can redistribute it and/or
## modify it under the terms of the GNU General Public License as
## published by the Free Software Foundation; either versio... | codeparrot/github-code-clean |
# Licensed to the Apache Software Foundation (ASF) under one or more
# contributor license agreements. See the NOTICE file distributed with
# this work for additional information regarding copyright ownership.
# The ASF licenses this file to You under the Apache License, Version 2.0
# (the "License"); you may not use ... | codeparrot/github-code-clean |
"""
Create SQL statements for QuerySets.
The code in here encapsulates all of the SQL construction so that QuerySets
themselves do not have to (and could be backed by things other than SQL
databases). The abstraction barrier only works one way: this module has to know
all about the internals of models in order to get ... | codeparrot/github-code-clean |
# VMware vCloud Python SDK
# Copyright (c) 2014 VMware, Inc. All Rights Reserved.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless... | codeparrot/github-code-clean |
"""
Class hierarchies for constructing and working with finite element spaces
.. inheritance-diagram:: proteus.FemTools
:parts: 1
"""
from __future__ import print_function
from __future__ import absolute_import
from __future__ import division
from builtins import zip
from builtins import str
from builtins import ra... | codeparrot/github-code-clean |
# Script control setup area
# script info
__script__.title = 'KKB Plot and Reduction 14.12.2021'
__script__.version = '2.0'
# 15.6.2017 Allow to reduce the detector range
# 15.6. Throw out points below resolution
# 16.6. Tidy up run time to display in the reduction; tidy up display properties
# 11.7... | codeparrot/github-code-clean |
#!/usr/bin/python
import wx
import string
from sys import stderr
from math import sqrt, sin, cos, pi
from random import Random
# Not actually used in this module; rather, imported to ensure that
# colorsys gets imported in py2exe'd packages.
import colorsys
ALPHA = 1
NUMERIC = 2
DIGITS = 3
MULTI = 1
SINGLE = 2
# #... | codeparrot/github-code-clean |
# size limit at 1280x1280
# http://maps.googleapis.com/maps/api/staticmap?size=500x500&path=color:0x000000|weight:10|44.35789,11.3093|44.4378,11.3935&format=GIF&maptype=satellite&scale=2
import os
import sys
import subprocess
import platform
from xml.sax import saxutils, parse, handler
if __name__ == '__main__':
... | codeparrot/github-code-clean |
# This script generates the PyQt configuration and generates the Makefiles.
#
# Copyright (c) 2015 Riverbank Computing Limited <info@riverbankcomputing.com>
#
# This file is part of PyQt4.
#
# This file may be used under the terms of the GNU General Public License
# version 3.0 as published by the Free Software Found... | codeparrot/github-code-clean |
# -*- coding: utf-8 -*-
##############################################################################
#
# OpenERP, Open Source Management Solution
# Copyright (C) 2004-2010 Tiny SPRL (<http://tiny.be>).
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU... | codeparrot/github-code-clean |
# Copyright 2016 The TensorFlow Authors. All Rights Reserved.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applica... | codeparrot/github-code-clean |
#!/usr/bin/env python
# -*- coding: utf-8 -*-
#
# Copyright (C) 2013-2016 DNAnexus, Inc.
#
# This file is part of dx-toolkit (DNAnexus platform client libraries).
#
# Licensed under the Apache License, Version 2.0 (the "License"); you may not
# use this file except in compliance with the License. You may obtain a c... | codeparrot/github-code-clean |
# -*- coding: utf-8 -*-
"""
Created on Mon Jun 20 15:55:59 2016
@author: ganong
"""
import os
os.environ["R_HOME"] = "/Library/Frameworks/R.framework/Resources"
os.chdir("/Users/ganong/repo/HARK-comments-and-cleanup/gn")
out_path = "~/dropbox/hampra/out/"
import settings
import sys
sys.path.insert(0,'../')
sys.path.i... | codeparrot/github-code-clean |
# Copyright 2015 The TensorFlow Authors. All Rights Reserved.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applica... | codeparrot/github-code-clean |
# Copyright 2016 The TensorFlow Authors. All Rights Reserved.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applica... | codeparrot/github-code-clean |
# Copyright 2012 Managed I.T.
# Copyright 2013 - 2014 Hewlett-Packard Development Company, L.P.
#
# Author: Kiall Mac Innes <kiall@managedit.ie>
#
# Licensed under the Apache License, Version 2.0 (the "License"); you may
# not use this file except in compliance with the License. You may obtain
# a copy of the License a... | codeparrot/github-code-clean |
from __future__ import absolute_import, division, print_function
from collections import Iterator
from distutils.version import LooseVersion
import operator
from operator import getitem, setitem
from pprint import pformat
import uuid
import warnings
from toolz import merge, partial, first, unique, partition_all
impor... | codeparrot/github-code-clean |
# Copyright 2017 The Chromium Authors. All rights reserved.
# Use of this source code is governed by a BSD-style license that can be
# found in the LICENSE file.
"""Main Python API for analyzing binary size."""
import argparse
import bisect
import calendar
import collections
import datetime
import gzip
import itertoo... | codeparrot/github-code-clean |
# Copyright (c) 2012 Rackspace Hosting # All Rights Reserved.
#
# Licensed under the Apache License, Version 2.0 (the "License"); you may
# not use this file except in compliance with the License. You may obtain
# a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless req... | codeparrot/github-code-clean |
"""
ltisys -- a collection of classes and functions for modeling linear
time invariant systems.
"""
from __future__ import division, print_function, absolute_import
#
# Author: Travis Oliphant 2001
#
# Feb 2010: Warren Weckesser
# Rewrote lsim2 and added impulse2.
# Apr 2011: Jeffrey Armstrong <jeff@approximatrix.co... | codeparrot/github-code-clean |
# -*- coding: utf-8 -*-
import pytz
import re
import time
import openerp
import openerp.service.report
import uuid
import collections
import babel.dates
from werkzeug.exceptions import BadRequest
from datetime import datetime, timedelta
from dateutil import parser
from dateutil import rrule
from dateutil.relativedelta... | codeparrot/github-code-clean |
#!/usr/local/bin/python2.6 -tt
#
# Licensed to the Apache Software Foundation (ASF) under one
# or more contributor license agreements. See the NOTICE file
# distributed with this work for additional information
# regarding copyright ownership. The ASF licenses this file
# to you under the Apache License, Version 2.0 (... | codeparrot/github-code-clean |
# coding: utf-8
"""
Package resource API
--------------------
A resource is a logical file contained within a package, or a logical
subdirectory thereof. The package resource API expects resource names
to have their path parts separated with ``/``, *not* whatever the local
path separator is. Do not use os.path opera... | codeparrot/github-code-clean |
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