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Deprecated. Use: func: parse_url instead.
def get_host(url): """ Deprecated. Use :func:`parse_url` instead. """ p = parse_url(url) return p.scheme or 'http', p.hostname, p.port
Absolute path including the query string.
def request_uri(self): """Absolute path including the query string.""" uri = self.path or '/' if self.query is not None: uri += '?' + self.query return uri
Network location including host and port
def netloc(self): """Network location including host and port""" if self.port: return '%s:%d' % (self.host, self.port) return self.host
Convert self into a url
def url(self): """ Convert self into a url This function should more or less round-trip with :func:`.parse_url`. The returned url may not be exactly the same as the url inputted to :func:`.parse_url`, but it should be equivalent by the RFC (e.g., urls with a blank port w...
Split a path into segments and perform a sanity check. If it detects.. in the path it will raise a TemplateNotFound error.
def split_template_path(template): """Split a path into segments and perform a sanity check. If it detects '..' in the path it will raise a `TemplateNotFound` error. """ pieces = [] for piece in template.split('/'): if path.sep in piece \ or (path.altsep and path.altsep in piece)...
Get the template source filename and reload helper for a template. It s passed the environment and template name and has to return a tuple in the form ( source filename uptodate ) or raise a TemplateNotFound error if it can t locate the template.
def get_source(self, environment, template): """Get the template source, filename and reload helper for a template. It's passed the environment and template name and has to return a tuple in the form ``(source, filename, uptodate)`` or raise a `TemplateNotFound` error if it can't locate ...
Loads a template. This method looks up the template in the cache or loads one by calling: meth: get_source. Subclasses should not override this method as loaders working on collections of other loaders ( such as: class: PrefixLoader or: class: ChoiceLoader ) will not call this method but get_source directly.
def load(self, environment, name, globals=None): """Loads a template. This method looks up the template in the cache or loads one by calling :meth:`get_source`. Subclasses should not override this method as loaders working on collections of other loaders (such as :class:`PrefixLoader` ...
Return a string describing the probable encoding of a file or list of strings.
def description_of(lines, name='stdin'): """ Return a string describing the probable encoding of a file or list of strings. :param lines: The lines to get the encoding of. :type lines: Iterable of bytes :param name: Name of file or collection of lines :type name: str """ u = Univers...
Convert a tree to a genshi tree
def to_genshi(walker): """Convert a tree to a genshi tree :arg walker: the treewalker to use to walk the tree to convert it :returns: generator of genshi nodes """ text = [] for token in walker: type = token["type"] if type in ("Characters", "SpaceCharacters"): tex...
Parse a requirements formatted file.
def parse_requirements(file_): """Parse a requirements formatted file. Traverse a string until a delimiter is detected, then split at said delimiter, get module name by element index, create a dict consisting of module:version, and add dict to list of parsed modules. Args: file_: File to p...
Compare modules in a file to imported modules in a project.
def compare_modules(file_, imports): """Compare modules in a file to imported modules in a project. Args: file_ (str): File to parse for modules to be compared. imports (tuple): Modules being imported in the project. Returns: tuple: The modules not imported in the project, but do e...
Display the difference between modules in a file and imported modules.
def diff(file_, imports): """Display the difference between modules in a file and imported modules.""" modules_not_imported = compare_modules(file_, imports) logging.info("The following modules are in {} but do not seem to be imported: " "{}".format(file_, ", ".join(x for x in modules_not_...
Remove modules that aren t imported in project from file.
def clean(file_, imports): """Remove modules that aren't imported in project from file.""" modules_not_imported = compare_modules(file_, imports) re_remove = re.compile("|".join(modules_not_imported)) to_write = [] try: f = open_func(file_, "r+") except OSError: logging.error("F...
Reads requirements from a file like object and ( optionally ) from referenced files.: param fh: file like object to read from: param resolve: boolean. resolves referenced files.: return: generator
def read_requirements(fh, resolve=False): """ Reads requirements from a file like object and (optionally) from referenced files. :param fh: file like object to read from :param resolve: boolean. resolves referenced files. :return: generator """ is_temp_file = not hasattr(fh, 'name') for ...
Helper to deprecate existing functionality.
def deprecated(reason, replacement, gone_in, issue=None): # type: (str, Optional[str], Optional[str], Optional[int]) -> None """Helper to deprecate existing functionality. reason: Textual reason shown to the user about why this functionality has been deprecated. replacement: Tex...
Exact matching of IP addresses.
def _ipaddress_match(ipname, host_ip): """Exact matching of IP addresses. RFC 6125 explicitly doesn't define an algorithm for this (section 1.7.2 - "Out of Scope"). """ # OpenSSL may add a trailing newline to a subjectAltName's IP address # Divergence from upstream: ipaddress can't handle byte ...
Add metadata to candidates based on the dependency tree.
def set_metadata(candidates, traces, dependencies, pythons): """Add "metadata" to candidates based on the dependency tree. Metadata for a candidate includes markers and a specifier for Python version requirements. :param candidates: A key-candidate mapping. Candidates in the mapping will have ...
Like Python 3. 5 s implementation of os. walk () -- faster than the pre - Python 3. 5 version as it uses scandir () internally.
def _walk(top, topdown=True, onerror=None, followlinks=False): """Like Python 3.5's implementation of os.walk() -- faster than the pre-Python 3.5 version as it uses scandir() internally. """ dirs = [] nondirs = [] # We may not have read permission for top, in which case we can't # get a lis...
Make a request using: meth: urlopen with the fields encoded in the url. This is useful for request methods like GET HEAD DELETE etc.
def request_encode_url(self, method, url, fields=None, headers=None, **urlopen_kw): """ Make a request using :meth:`urlopen` with the ``fields`` encoded in the url. This is useful for request methods like GET, HEAD, DELETE, etc. """ if headers is None: ...
Make a request using: meth: urlopen with the fields encoded in the body. This is useful for request methods like POST PUT PATCH etc.
def request_encode_body(self, method, url, fields=None, headers=None, encode_multipart=True, multipart_boundary=None, **urlopen_kw): """ Make a request using :meth:`urlopen` with the ``fields`` encoded in the body. This is useful for reques...
Marks a callback as wanting to receive the current context object as first argument.
def pass_context(f): """Marks a callback as wanting to receive the current context object as first argument. """ def new_func(*args, **kwargs): return f(get_current_context(), *args, **kwargs) return update_wrapper(new_func, f)
Similar to: func: pass_context but only pass the object on the context onwards (: attr: Context. obj ). This is useful if that object represents the state of a nested system.
def pass_obj(f): """Similar to :func:`pass_context`, but only pass the object on the context onwards (:attr:`Context.obj`). This is useful if that object represents the state of a nested system. """ def new_func(*args, **kwargs): return f(get_current_context().obj, *args, **kwargs) retu...
Given an object type this creates a decorator that will work similar to: func: pass_obj but instead of passing the object of the current context it will find the innermost context of type: func: object_type.
def make_pass_decorator(object_type, ensure=False): """Given an object type this creates a decorator that will work similar to :func:`pass_obj` but instead of passing the object of the current context, it will find the innermost context of type :func:`object_type`. This generates a decorator that w...
Attaches an argument to the command. All positional arguments are passed as parameter declarations to: class: Argument ; all keyword arguments are forwarded unchanged ( except cls ). This is equivalent to creating an: class: Argument instance manually and attaching it to the: attr: Command. params list.
def argument(*param_decls, **attrs): """Attaches an argument to the command. All positional arguments are passed as parameter declarations to :class:`Argument`; all keyword arguments are forwarded unchanged (except ``cls``). This is equivalent to creating an :class:`Argument` instance manually and ...
Attaches an option to the command. All positional arguments are passed as parameter declarations to: class: Option ; all keyword arguments are forwarded unchanged ( except cls ). This is equivalent to creating an: class: Option instance manually and attaching it to the: attr: Command. params list.
def option(*param_decls, **attrs): """Attaches an option to the command. All positional arguments are passed as parameter declarations to :class:`Option`; all keyword arguments are forwarded unchanged (except ``cls``). This is equivalent to creating an :class:`Option` instance manually and attachin...
Shortcut for confirmation prompts that can be ignored by passing -- yes as parameter.
def confirmation_option(*param_decls, **attrs): """Shortcut for confirmation prompts that can be ignored by passing ``--yes`` as parameter. This is equivalent to decorating a function with :func:`option` with the following parameters:: def callback(ctx, param, value): if not value:...
Shortcut for password prompts.
def password_option(*param_decls, **attrs): """Shortcut for password prompts. This is equivalent to decorating a function with :func:`option` with the following parameters:: @click.command() @click.option('--password', prompt=True, confirmation_prompt=True, hide_input...
Adds a -- help option which immediately ends the program printing out the help page. This is usually unnecessary to add as this is added by default to all commands unless suppressed.
def help_option(*param_decls, **attrs): """Adds a ``--help`` option which immediately ends the program printing out the help page. This is usually unnecessary to add as this is added by default to all commands unless suppressed. Like :func:`version_option`, this is implemented as eager option that ...
Checks whether pkg was installed by pip
def was_installed_by_pip(pkg): # type: (str) -> bool """Checks whether pkg was installed by pip This is used not to display the upgrade message when pip is in fact installed by system package manager, such as dnf on Fedora. """ try: dist = pkg_resources.get_distribution(pkg) ret...
Check for an update for pip.
def pip_version_check(session, options): # type: (PipSession, optparse.Values) -> None """Check for an update for pip. Limit the frequency of checks to once per week. State is stored either in the active virtualenv or in the user's USER_CACHE_DIR keyed off the prefix of the pip script path. """...
Return abbreviated implementation name.
def get_abbr_impl(): # type: () -> str """Return abbreviated implementation name.""" if hasattr(sys, 'pypy_version_info'): pyimpl = 'pp' elif sys.platform.startswith('java'): pyimpl = 'jy' elif sys.platform == 'cli': pyimpl = 'ip' else: pyimpl = 'cp' return py...
Return implementation version.
def get_impl_ver(): # type: () -> str """Return implementation version.""" impl_ver = get_config_var("py_version_nodot") if not impl_ver or get_abbr_impl() == 'pp': impl_ver = ''.join(map(str, get_impl_version_info())) return impl_ver
Return sys. version_info - like tuple for use in decrementing the minor version.
def get_impl_version_info(): # type: () -> Tuple[int, ...] """Return sys.version_info-like tuple for use in decrementing the minor version.""" if get_abbr_impl() == 'pp': # as per https://github.com/pypa/pip/issues/2882 # attrs exist only on pypy return (sys.version_info[0], ...
Return our platform name win32 linux_x86_64
def get_platform(): # type: () -> str """Return our platform name 'win32', 'linux_x86_64'""" if sys.platform == 'darwin': # distutils.util.get_platform() returns the release based on the value # of MACOSX_DEPLOYMENT_TARGET on which Python was built, which may # be significantly older...
Return a list of supported tags for each version specified in versions.
def get_supported( versions=None, # type: Optional[List[str]] noarch=False, # type: bool platform=None, # type: Optional[str] impl=None, # type: Optional[str] abi=None # type: Optional[str] ): # type: (...) -> List[Pep425Tag] """Return a list of supported tags for each version specified...
Returns the Requests tuple auth for a given url from netrc.
def get_netrc_auth(url, raise_errors=False): """Returns the Requests tuple auth for a given url from netrc.""" try: from netrc import netrc, NetrcParseError netrc_path = None for f in NETRC_FILES: try: loc = os.path.expanduser('~/{}'.format(f)) ...
Tries to guess the filename of the given object.
def guess_filename(obj): """Tries to guess the filename of the given object.""" name = getattr(obj, 'name', None) if (name and isinstance(name, basestring) and name[0] != '<' and name[-1] != '>'): return os.path.basename(name)
Replace nonexistent paths that look like they refer to a member of a zip archive with the location of an extracted copy of the target or else just return the provided path unchanged.
def extract_zipped_paths(path): """Replace nonexistent paths that look like they refer to a member of a zip archive with the location of an extracted copy of the target, or else just return the provided path unchanged. """ if os.path.exists(path): # this is already a valid path, no need to d...
Take an object and test to see if it can be represented as a dictionary. Unless it can not be represented as such return an OrderedDict e. g.
def from_key_val_list(value): """Take an object and test to see if it can be represented as a dictionary. Unless it can not be represented as such, return an OrderedDict, e.g., :: >>> from_key_val_list([('key', 'val')]) OrderedDict([('key', 'val')]) >>> from_key_val_list('strin...
Parse lists as described by RFC 2068 Section 2.
def parse_list_header(value): """Parse lists as described by RFC 2068 Section 2. In particular, parse comma-separated lists where the elements of the list may include quoted-strings. A quoted-string could contain a comma. A non-quoted string could have quotes in the middle. Quotes are removed au...
Parse lists of key value pairs as described by RFC 2068 Section 2 and convert them into a python dict:
def parse_dict_header(value): """Parse lists of key, value pairs as described by RFC 2068 Section 2 and convert them into a python dict: >>> d = parse_dict_header('foo="is a fish", bar="as well"') >>> type(d) is dict True >>> sorted(d.items()) [('bar', 'as well'), ('foo', 'is a fish')] ...
Returns a key/ value dictionary from a CookieJar.
def dict_from_cookiejar(cj): """Returns a key/value dictionary from a CookieJar. :param cj: CookieJar object to extract cookies from. :rtype: dict """ cookie_dict = {} for cookie in cj: cookie_dict[cookie.name] = cookie.value return cookie_dict
Returns content type and parameters from given header
def _parse_content_type_header(header): """Returns content type and parameters from given header :param header: string :return: tuple containing content type and dictionary of parameters """ tokens = header.split(';') content_type, params = tokens[0].strip(), tokens[1:] params_dic...
Returns encodings from given HTTP Header Dict.
def get_encoding_from_headers(headers): """Returns encodings from given HTTP Header Dict. :param headers: dictionary to extract encoding from. :rtype: str """ content_type = headers.get('content-type') if not content_type: return None content_type, params = _parse_content_type_he...
Iterate over slices of a string.
def iter_slices(string, slice_length): """Iterate over slices of a string.""" pos = 0 if slice_length is None or slice_length <= 0: slice_length = len(string) while pos < len(string): yield string[pos:pos + slice_length] pos += slice_length
Returns the requested content back in unicode.
def get_unicode_from_response(r): """Returns the requested content back in unicode. :param r: Response object to get unicode content from. Tried: 1. charset from content-type 2. fall back and replace all unicode characters :rtype: str """ warnings.warn(( 'In requests 3.0, get...
Re - quote the given URI.
def requote_uri(uri): """Re-quote the given URI. This function passes the given URI through an unquote/quote cycle to ensure that it is fully and consistently quoted. :rtype: str """ safe_with_percent = "!#$%&'()*+,/:;=?@[]~" safe_without_percent = "!#$&'()*+,/:;=?@[]~" try: # ...
This function allows you to check if an IP belongs to a network subnet
def address_in_network(ip, net): """This function allows you to check if an IP belongs to a network subnet Example: returns True if ip = 192.168.1.1 and net = 192.168.1.0/24 returns False if ip = 192.168.1.1 and net = 192.168.100.0/24 :rtype: bool """ ipaddr = struct.unpack('=L', sock...
Very simple check of the cidr format in no_proxy variable.
def is_valid_cidr(string_network): """ Very simple check of the cidr format in no_proxy variable. :rtype: bool """ if string_network.count('/') == 1: try: mask = int(string_network.split('/')[1]) except ValueError: return False if mask < 1 or mask > ...
Set the environment variable env_name to value
def set_environ(env_name, value): """Set the environment variable 'env_name' to 'value' Save previous value, yield, and then restore the previous value stored in the environment variable 'env_name'. If 'value' is None, do nothing""" value_changed = value is not None if value_changed: o...
Returns whether we should bypass proxies or not.
def should_bypass_proxies(url, no_proxy): """ Returns whether we should bypass proxies or not. :rtype: bool """ # Prioritize lowercase environment variables over uppercase # to keep a consistent behaviour with other http projects (curl, wget). get_proxy = lambda k: os.environ.get(k) or os.e...
Select a proxy for the url if applicable.
def select_proxy(url, proxies): """Select a proxy for the url, if applicable. :param url: The url being for the request :param proxies: A dictionary of schemes or schemes and hosts to proxy URLs """ proxies = proxies or {} urlparts = urlparse(url) if urlparts.hostname is None: retur...
Given a URL that may or may not have a scheme prepend the given scheme. Does not replace a present scheme with the one provided as an argument.
def prepend_scheme_if_needed(url, new_scheme): """Given a URL that may or may not have a scheme, prepend the given scheme. Does not replace a present scheme with the one provided as an argument. :rtype: str """ scheme, netloc, path, params, query, fragment = urlparse(url, new_scheme) # urlpars...
Given a url with authentication components extract them into a tuple of username password.
def get_auth_from_url(url): """Given a url with authentication components, extract them into a tuple of username,password. :rtype: (str,str) """ parsed = urlparse(url) try: auth = (unquote(parsed.username), unquote(parsed.password)) except (AttributeError, TypeError): auth ...
Verifies that header value is a string which doesn t contain leading whitespace or return characters. This prevents unintended header injection.
def check_header_validity(header): """Verifies that header value is a string which doesn't contain leading whitespace or return characters. This prevents unintended header injection. :param header: tuple, in the format (name, value). """ name, value = header if isinstance(value, bytes): ...
Given a url remove the fragment and the authentication part.
def urldefragauth(url): """ Given a url remove the fragment and the authentication part. :rtype: str """ scheme, netloc, path, params, query, fragment = urlparse(url) # see func:`prepend_scheme_if_needed` if not netloc: netloc, path = path, netloc netloc = netloc.rsplit('@', 1...
Move file pointer back to its recorded starting position so it can be read again on redirect.
def rewind_body(prepared_request): """Move file pointer back to its recorded starting position so it can be read again on redirect. """ body_seek = getattr(prepared_request.body, 'seek', None) if body_seek is not None and isinstance(prepared_request._body_position, integer_types): try: ...
This is very similar to Version. __str__ but has one subtle differences with the way it handles the release segment.
def canonicalize_version(version): """ This is very similar to Version.__str__, but has one subtle differences with the way it handles the release segment. """ try: version = Version(version) except InvalidVersion: # Legacy versions cannot be normalized return version ...
Generate the python source for a node tree.
def generate(node, environment, name, filename, stream=None, defer_init=False, optimized=True): """Generate the python source for a node tree.""" if not isinstance(node, nodes.Template): raise TypeError('Can\'t compile non template nodes') generator = environment.code_generator_class(en...
Does the node have a safe representation?
def has_safe_repr(value): """Does the node have a safe representation?""" if value is None or value is NotImplemented or value is Ellipsis: return True if type(value) in (bool, int, float, complex, range_type, Markup) + string_types: return True if type(value) in (tuple, list, set, froze...
Check if the names passed are accessed undeclared. The return value is a set of all the undeclared names from the sequence of names found.
def find_undeclared(nodes, names): """Check if the names passed are accessed undeclared. The return value is a set of all the undeclared names from the sequence of names found. """ visitor = UndeclaredNameVisitor(names) try: for node in nodes: visitor.visit(node) except Visi...
Create a copy of the current one.
def copy(self): """Create a copy of the current one.""" rv = object.__new__(self.__class__) rv.__dict__.update(self.__dict__) rv.symbols = self.symbols.copy() return rv
Return an inner frame.
def inner(self, isolated=False): """Return an inner frame.""" if isolated: return Frame(self.eval_ctx, level=self.symbols.level + 1) return Frame(self.eval_ctx, self)
Fail with a: exc: TemplateAssertionError.
def fail(self, msg, lineno): """Fail with a :exc:`TemplateAssertionError`.""" raise TemplateAssertionError(msg, lineno, self.name, self.filename)
Enable buffering for the frame from that point onwards.
def buffer(self, frame): """Enable buffering for the frame from that point onwards.""" frame.buffer = self.temporary_identifier() self.writeline('%s = []' % frame.buffer)
Return the buffer contents of the frame.
def return_buffer_contents(self, frame, force_unescaped=False): """Return the buffer contents of the frame.""" if not force_unescaped: if frame.eval_ctx.volatile: self.writeline('if context.eval_ctx.autoescape:') self.indent() self.writeline('r...
Yield or write into the frame buffer.
def start_write(self, frame, node=None): """Yield or write into the frame buffer.""" if frame.buffer is None: self.writeline('yield ', node) else: self.writeline('%s.append(' % frame.buffer, node)
Simple shortcut for start_write + write + end_write.
def simple_write(self, s, frame, node=None): """Simple shortcut for start_write + write + end_write.""" self.start_write(frame, node) self.write(s) self.end_write(frame)
Write a string into the output stream.
def write(self, x): """Write a string into the output stream.""" if self._new_lines: if not self._first_write: self.stream.write('\n' * self._new_lines) self.code_lineno += self._new_lines if self._write_debug_info is not None: ...
Combination of newline and write.
def writeline(self, x, node=None, extra=0): """Combination of newline and write.""" self.newline(node, extra) self.write(x)
Add one or more newlines before the next write.
def newline(self, node=None, extra=0): """Add one or more newlines before the next write.""" self._new_lines = max(self._new_lines, 1 + extra) if node is not None and node.lineno != self._last_line: self._write_debug_info = node.lineno self._last_line = node.lineno
Writes a function call to the stream for the current node. A leading comma is added automatically. The extra keyword arguments may not include python keywords otherwise a syntax error could occour. The extra keyword arguments should be given as python dict.
def signature(self, node, frame, extra_kwargs=None): """Writes a function call to the stream for the current node. A leading comma is added automatically. The extra keyword arguments may not include python keywords otherwise a syntax error could occour. The extra keyword arguments shou...
Pull all the dependencies.
def pull_dependencies(self, nodes): """Pull all the dependencies.""" visitor = DependencyFinderVisitor() for node in nodes: visitor.visit(node) for dependency in 'filters', 'tests': mapping = getattr(self, dependency) for name in getattr(visitor, depen...
Dump the function def of a macro or call block.
def macro_body(self, node, frame): """Dump the function def of a macro or call block.""" frame = frame.inner() frame.symbols.analyze_node(node) macro_ref = MacroRef(node) explicit_caller = None skip_special_params = set() args = [] for idx, arg in enumera...
Dump the macro definition for the def created by macro_body.
def macro_def(self, macro_ref, frame): """Dump the macro definition for the def created by macro_body.""" arg_tuple = ', '.join(repr(x.name) for x in macro_ref.node.args) name = getattr(macro_ref.node, 'name', None) if len(macro_ref.node.args) == 1: arg_tuple += ',' s...
Return a human readable position for the node.
def position(self, node): """Return a human readable position for the node.""" rv = 'line %d' % node.lineno if self.name is not None: rv += ' in ' + repr(self.name) return rv
Pops the topmost level for assignment tracking and updates the context variables if necessary.
def pop_assign_tracking(self, frame): """Pops the topmost level for assignment tracking and updates the context variables if necessary. """ vars = self._assign_stack.pop() if not frame.toplevel or not vars: return public_names = [x for x in vars if x[:1] != '_...
Call a block and register it for the template.
def visit_Block(self, node, frame): """Call a block and register it for the template.""" level = 0 if frame.toplevel: # if we know that we are a child template, there is no need to # check if we are one if self.has_known_extends: return ...
Calls the extender.
def visit_Extends(self, node, frame): """Calls the extender.""" if not frame.toplevel: self.fail('cannot use extend from a non top-level scope', node.lineno) # if the number of extends statements in general is zero so # far, we don't have to add a check...
Handles includes.
def visit_Include(self, node, frame): """Handles includes.""" if node.ignore_missing: self.writeline('try:') self.indent() func_name = 'get_or_select_template' if isinstance(node.template, nodes.Const): if isinstance(node.template.value, string_types)...
Visit regular imports.
def visit_Import(self, node, frame): """Visit regular imports.""" self.writeline('%s = ' % frame.symbols.ref(node.target), node) if frame.toplevel: self.write('context.vars[%r] = ' % node.target) if self.environment.is_async: self.write('await ') self.writ...
Visit named imports.
def visit_FromImport(self, node, frame): """Visit named imports.""" self.newline(node) self.write('included_template = %senvironment.get_template(' % (self.environment.is_async and 'await ' or '')) self.visit(node.template, frame) self.write(', %r).' % self.nam...
If alive then mark as dead and return ( obj func args kwargs ) ; otherwise return None
def detach(self): """If alive then mark as dead and return (obj, func, args, kwargs); otherwise return None""" info = self._registry.get(self) obj = info and info.weakref() if obj is not None and self._registry.pop(self, None): return (obj, info.func, info.args, info....
If alive then return ( obj func args kwargs ) ; otherwise return None
def peek(self): """If alive then return (obj, func, args, kwargs); otherwise return None""" info = self._registry.get(self) obj = info and info.weakref() if obj is not None: return (obj, info.func, info.args, info.kwargs or {})
Whether finalizer should be called at exit
def atexit(self): """Whether finalizer should be called at exit""" info = self._registry.get(self) return bool(info) and info.atexit
Serialize an element and its child nodes to a string
def tostring(element): """Serialize an element and its child nodes to a string""" rv = [] def serializeElement(element): if not hasattr(element, "tag"): if element.docinfo.internalDTD: if element.docinfo.doctype: dtd_str = element.docinfo.doctype ...
Return the visitor function for this node or None if no visitor exists for this node. In that case the generic visit function is used instead.
def get_visitor(self, node): """Return the visitor function for this node or `None` if no visitor exists for this node. In that case the generic visit function is used instead. """ method = 'visit_' + node.__class__.__name__ return getattr(self, method, None)
Visit a node.
def visit(self, node, *args, **kwargs): """Visit a node.""" f = self.get_visitor(node) if f is not None: return f(node, *args, **kwargs) return self.generic_visit(node, *args, **kwargs)
Called if no explicit visitor function exists for a node.
def generic_visit(self, node, *args, **kwargs): """Called if no explicit visitor function exists for a node.""" for node in node.iter_child_nodes(): self.visit(node, *args, **kwargs)
As transformers may return lists in some places this method can be used to enforce a list as return value.
def visit_list(self, node, *args, **kwargs): """As transformers may return lists in some places this method can be used to enforce a list as return value. """ rv = self.visit(node, *args, **kwargs) if not isinstance(rv, list): rv = [rv] return rv
The default method of calling the wrapper subprocess.
def default_subprocess_runner(cmd, cwd=None, extra_environ=None): """The default method of calling the wrapper subprocess.""" env = os.environ.copy() if extra_environ: env.update(extra_environ) check_call(cmd, cwd=cwd, env=env)
Build a wheel from this project.
def build_wheel( self, wheel_directory, config_settings=None, metadata_directory=None): """Build a wheel from this project. Returns the name of the newly created file. In general, this will call the 'build_wheel' hook in the backend. However, if that was previou...
r BNInception model architecture from <https:// arxiv. org/ pdf/ 1502. 03167. pdf > _ paper.
def bninception(num_classes=1000, pretrained='imagenet'): r"""BNInception model architecture from <https://arxiv.org/pdf/1502.03167.pdf>`_ paper. """ model = BNInception(num_classes=num_classes) if pretrained is not None: settings = pretrained_settings['bninception'][pretrained] assert n...
3x3 convolution with padding
def conv3x3(in_planes, out_planes, stride=1): "3x3 convolution with padding" return nn.Conv2d(in_planes, out_planes, kernel_size=3, stride=stride, padding=1, bias=True)
Constructs a ResNet - 18 model.
def resnet18(pretrained=False, **kwargs): """Constructs a ResNet-18 model. Args: pretrained (bool): If True, returns a model pre-trained on ImageNet """ model = ResNet(BasicBlock, [2, 2, 2, 2], **kwargs) if pretrained: model.load_state_dict(model_zoo.load_url(model_urls['resnet18'])...
Constructs a ResNet - 50 model.
def resnet50(pretrained=False, **kwargs): """Constructs a ResNet-50 model. Args: pretrained (bool): If True, returns a model pre-trained on ImageNet """ model = ResNet(Bottleneck, [3, 4, 6, 3], **kwargs) if pretrained: model.load_state_dict(model_zoo.load_url(model_urls['resnet50'])...
r NASNetALarge model architecture from the NASNet <https:// arxiv. org/ abs/ 1707. 07012 > _ paper.
def nasnetamobile(num_classes=1000, pretrained='imagenet'): r"""NASNetALarge model architecture from the `"NASNet" <https://arxiv.org/abs/1707.07012>`_ paper. """ if pretrained: settings = pretrained_settings['nasnetamobile'][pretrained] assert num_classes == settings['num_classes'], \ ...
Constructs a ResNet - 101 model. Args: pretrained ( bool ): If True returns a model pre - trained on ImageNet
def cafferesnet101(num_classes=1000, pretrained='imagenet'): """Constructs a ResNet-101 model. Args: pretrained (bool): If True, returns a model pre-trained on ImageNet """ model = ResNet(Bottleneck, [3, 4, 23, 3], num_classes=num_classes) if pretrained is not None: settings = pretrained...
Constructs a ResNet - 152 model.
def fbresnet152(num_classes=1000, pretrained='imagenet'): """Constructs a ResNet-152 model. Args: pretrained (bool): If True, returns a model pre-trained on ImageNet """ model = FBResNet(Bottleneck, [3, 8, 36, 3], num_classes=num_classes) if pretrained is not None: settings = pretra...
r AlexNet model architecture from the One weird trick... <https:// arxiv. org/ abs/ 1404. 5997 > _ paper.
def alexnet(num_classes=1000, pretrained='imagenet'): r"""AlexNet model architecture from the `"One weird trick..." <https://arxiv.org/abs/1404.5997>`_ paper. """ # https://github.com/pytorch/vision/blob/master/torchvision/models/alexnet.py model = models.alexnet(pretrained=False) if pretrained ...