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pygobject/pgi | pgi/overrides/Gtk.py | TreeSelection.get_selected_rows | def get_selected_rows(self):
"""
:returns:
A list containing a :obj:`Gtk.TreePath` for each selected row
and a :obj:`Gtk.TreeModel` or :obj:`None`.
:rtype: (:obj:`Gtk.TreeModel`, [:obj:`Gtk.TreePath`])
{{ docs }}
"""
rows, model = super(TreeSelection, self).get_selected_rows()
return (model, rows) | python | def get_selected_rows(self):
"""
:returns:
A list containing a :obj:`Gtk.TreePath` for each selected row
and a :obj:`Gtk.TreeModel` or :obj:`None`.
:rtype: (:obj:`Gtk.TreeModel`, [:obj:`Gtk.TreePath`])
{{ docs }}
"""
rows, model = super(TreeSelection, self).get_selected_rows()
return (model, rows) | [
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pygobject/pgi | pgi/overrides/Gtk.py | TreeModelFilter.set_value | def set_value(self, iter, column, value):
"""Set the value of the child model"""
# Delegate to child model
iter = self.convert_iter_to_child_iter(iter)
self.get_model().set_value(iter, column, value) | python | def set_value(self, iter, column, value):
"""Set the value of the child model"""
# Delegate to child model
iter = self.convert_iter_to_child_iter(iter)
self.get_model().set_value(iter, column, value) | [
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pygobject/pgi | pgi/foreign/__init__.py | get_foreign_module | def get_foreign_module(namespace):
"""Returns the module or raises ForeignError"""
if namespace not in _MODULES:
try:
module = importlib.import_module("." + namespace, __package__)
except ImportError:
module = None
_MODULES[namespace] = module
module = _MODULES.get(namespace)
if module is None:
raise ForeignError("Foreign %r structs not supported" % namespace)
return module | python | def get_foreign_module(namespace):
"""Returns the module or raises ForeignError"""
if namespace not in _MODULES:
try:
module = importlib.import_module("." + namespace, __package__)
except ImportError:
module = None
_MODULES[namespace] = module
module = _MODULES.get(namespace)
if module is None:
raise ForeignError("Foreign %r structs not supported" % namespace)
return module | [
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pygobject/pgi | pgi/foreign/__init__.py | get_foreign_struct | def get_foreign_struct(namespace, name):
"""Returns a ForeignStruct implementation or raises ForeignError"""
get_foreign_module(namespace)
try:
return ForeignStruct.get(namespace, name)
except KeyError:
raise ForeignError("Foreign %s.%s not supported" % (namespace, name)) | python | def get_foreign_struct(namespace, name):
"""Returns a ForeignStruct implementation or raises ForeignError"""
get_foreign_module(namespace)
try:
return ForeignStruct.get(namespace, name)
except KeyError:
raise ForeignError("Foreign %s.%s not supported" % (namespace, name)) | [
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pygobject/pgi | pgi/foreign/__init__.py | require_foreign | def require_foreign(namespace, symbol=None):
"""Raises ImportError if the specified foreign module isn't supported or
the needed dependencies aren't installed.
e.g.: check_foreign('cairo', 'Context')
"""
try:
if symbol is None:
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else:
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except ForeignError as e:
raise ImportError(e) | python | def require_foreign(namespace, symbol=None):
"""Raises ImportError if the specified foreign module isn't supported or
the needed dependencies aren't installed.
e.g.: check_foreign('cairo', 'Context')
"""
try:
if symbol is None:
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pygobject/pgi | pgi/overrides/GLib.py | io_add_watch | def io_add_watch(*args, **kwargs):
"""io_add_watch(channel, priority, condition, func, *user_data) -> event_source_id"""
channel, priority, condition, func, user_data = _io_add_watch_get_args(*args, **kwargs)
return GLib.io_add_watch(channel, priority, condition, func, *user_data) | python | def io_add_watch(*args, **kwargs):
"""io_add_watch(channel, priority, condition, func, *user_data) -> event_source_id"""
channel, priority, condition, func, user_data = _io_add_watch_get_args(*args, **kwargs)
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pygobject/pgi | pgi/overrides/GLib.py | child_watch_add | def child_watch_add(*args, **kwargs):
"""child_watch_add(priority, pid, function, *data)"""
priority, pid, function, data = _child_watch_add_get_args(*args, **kwargs)
return GLib.child_watch_add(priority, pid, function, *data) | python | def child_watch_add(*args, **kwargs):
"""child_watch_add(priority, pid, function, *data)"""
priority, pid, function, data = _child_watch_add_get_args(*args, **kwargs)
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pygobject/pgi | pgi/overrides/GLib.py | _VariantCreator._create | def _create(self, format, args):
"""Create a GVariant object from given format and argument list.
This method recursively calls itself for complex structures (arrays,
dictionaries, boxed).
Return a tuple (variant, rest_format, rest_args) with the generated
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If args is None, then this won't actually consume any arguments, and
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This is required for creating empty dictionaries or arrays.
"""
# leaves (simple types)
constructor = self._LEAF_CONSTRUCTORS.get(format[0])
if constructor:
if args is not None:
if not args:
raise TypeError('not enough arguments for GVariant format string')
v = constructor(args[0])
return (v, format[1:], args[1:])
else:
return (None, format[1:], None)
if format[0] == '(':
return self._create_tuple(format, args)
if format.startswith('a{'):
return self._create_dict(format, args)
if format[0] == 'a':
return self._create_array(format, args)
raise NotImplementedError('cannot handle GVariant type ' + format) | python | def _create(self, format, args):
"""Create a GVariant object from given format and argument list.
This method recursively calls itself for complex structures (arrays,
dictionaries, boxed).
Return a tuple (variant, rest_format, rest_args) with the generated
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"""
# leaves (simple types)
constructor = self._LEAF_CONSTRUCTORS.get(format[0])
if constructor:
if args is not None:
if not args:
raise TypeError('not enough arguments for GVariant format string')
v = constructor(args[0])
return (v, format[1:], args[1:])
else:
return (None, format[1:], None)
if format[0] == '(':
return self._create_tuple(format, args)
if format.startswith('a{'):
return self._create_dict(format, args)
if format[0] == 'a':
return self._create_array(format, args)
raise NotImplementedError('cannot handle GVariant type ' + format) | [
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pygobject/pgi | pgi/overrides/GLib.py | _VariantCreator._create_tuple | def _create_tuple(self, format, args):
"""Handle the case where the outermost type of format is a tuple."""
format = format[1:] # eat the '('
if args is None:
# empty value: we need to call _create() to parse the subtype
rest_format = format
while rest_format:
if rest_format.startswith(')'):
break
rest_format = self._create(rest_format, None)[1]
else:
raise TypeError('tuple type string not closed with )')
rest_format = rest_format[1:] # eat the )
return (None, rest_format, None)
else:
if not args or not isinstance(args[0], tuple):
raise TypeError('expected tuple argument')
builder = GLib.VariantBuilder.new(variant_type_from_string('r'))
for i in range(len(args[0])):
if format.startswith(')'):
raise TypeError('too many arguments for tuple signature')
(v, format, _) = self._create(format, args[0][i:])
builder.add_value(v)
args = args[1:]
if not format.startswith(')'):
raise TypeError('tuple type string not closed with )')
rest_format = format[1:] # eat the )
return (builder.end(), rest_format, args) | python | def _create_tuple(self, format, args):
"""Handle the case where the outermost type of format is a tuple."""
format = format[1:] # eat the '('
if args is None:
# empty value: we need to call _create() to parse the subtype
rest_format = format
while rest_format:
if rest_format.startswith(')'):
break
rest_format = self._create(rest_format, None)[1]
else:
raise TypeError('tuple type string not closed with )')
rest_format = rest_format[1:] # eat the )
return (None, rest_format, None)
else:
if not args or not isinstance(args[0], tuple):
raise TypeError('expected tuple argument')
builder = GLib.VariantBuilder.new(variant_type_from_string('r'))
for i in range(len(args[0])):
if format.startswith(')'):
raise TypeError('too many arguments for tuple signature')
(v, format, _) = self._create(format, args[0][i:])
builder.add_value(v)
args = args[1:]
if not format.startswith(')'):
raise TypeError('tuple type string not closed with )')
rest_format = format[1:] # eat the )
return (builder.end(), rest_format, args) | [
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pygobject/pgi | pgi/overrides/GLib.py | _VariantCreator._create_dict | def _create_dict(self, format, args):
"""Handle the case where the outermost type of format is a dict."""
builder = None
if args is None or not args[0]:
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(key_v, rest_format, _) = self._create(format[2:], [k])
(val_v, rest_format, _) = self._create(rest_format, [v])
if not rest_format.startswith('}'):
raise TypeError('dictionary type string not closed with }')
rest_format = rest_format[1:] # eat the }
entry = GLib.VariantBuilder.new(variant_type_from_string('{?*}'))
entry.add_value(key_v)
entry.add_value(val_v)
builder.add_value(entry.end())
if args is not None:
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return (builder.end(), rest_format, args) | python | def _create_dict(self, format, args):
"""Handle the case where the outermost type of format is a dict."""
builder = None
if args is None or not args[0]:
# empty value: we need to call _create() to parse the subtype,
# and specify the element type precisely
rest_format = self._create(format[2:], None)[1]
rest_format = self._create(rest_format, None)[1]
if not rest_format.startswith('}'):
raise TypeError('dictionary type string not closed with }')
rest_format = rest_format[1:] # eat the }
element_type = format[:len(format) - len(rest_format)]
builder = GLib.VariantBuilder.new(variant_type_from_string(element_type))
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builder = GLib.VariantBuilder.new(variant_type_from_string('a{?*}'))
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(val_v, rest_format, _) = self._create(rest_format, [v])
if not rest_format.startswith('}'):
raise TypeError('dictionary type string not closed with }')
rest_format = rest_format[1:] # eat the }
entry = GLib.VariantBuilder.new(variant_type_from_string('{?*}'))
entry.add_value(key_v)
entry.add_value(val_v)
builder.add_value(entry.end())
if args is not None:
args = args[1:]
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pygobject/pgi | pgi/overrides/GLib.py | _VariantCreator._create_array | def _create_array(self, format, args):
"""Handle the case where the outermost type of format is an array."""
builder = None
if args is None or not args[0]:
# empty value: we need to call _create() to parse the subtype,
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return (builder.end(), rest_format, args) | python | def _create_array(self, format, args):
"""Handle the case where the outermost type of format is an array."""
builder = None
if args is None or not args[0]:
# empty value: we need to call _create() to parse the subtype,
# and specify the element type precisely
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element_type = format[:len(format) - len(rest_format)]
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pygobject/pgi | pgi/overrides/GLib.py | Variant.unpack | def unpack(self):
"""Decompose a GVariant into a native Python object."""
LEAF_ACCESSORS = {
'b': self.get_boolean,
'y': self.get_byte,
'n': self.get_int16,
'q': self.get_uint16,
'i': self.get_int32,
'u': self.get_uint32,
'x': self.get_int64,
't': self.get_uint64,
'h': self.get_handle,
'd': self.get_double,
's': self.get_string,
'o': self.get_string, # object path
'g': self.get_string, # signature
}
# simple values
la = LEAF_ACCESSORS.get(self.get_type_string())
if la:
return la()
# tuple
if self.get_type_string().startswith('('):
res = [self.get_child_value(i).unpack()
for i in range(self.n_children())]
return tuple(res)
# dictionary
if self.get_type_string().startswith('a{'):
res = {}
for i in range(self.n_children()):
v = self.get_child_value(i)
res[v.get_child_value(0).unpack()] = v.get_child_value(1).unpack()
return res
# array
if self.get_type_string().startswith('a'):
return [self.get_child_value(i).unpack()
for i in range(self.n_children())]
# variant (just unbox transparently)
if self.get_type_string().startswith('v'):
return self.get_variant().unpack()
# maybe
if self.get_type_string().startswith('m'):
m = self.get_maybe()
return m.unpack() if m else None
raise NotImplementedError('unsupported GVariant type ' + self.get_type_string()) | python | def unpack(self):
"""Decompose a GVariant into a native Python object."""
LEAF_ACCESSORS = {
'b': self.get_boolean,
'y': self.get_byte,
'n': self.get_int16,
'q': self.get_uint16,
'i': self.get_int32,
'u': self.get_uint32,
'x': self.get_int64,
't': self.get_uint64,
'h': self.get_handle,
'd': self.get_double,
's': self.get_string,
'o': self.get_string, # object path
'g': self.get_string, # signature
}
# simple values
la = LEAF_ACCESSORS.get(self.get_type_string())
if la:
return la()
# tuple
if self.get_type_string().startswith('('):
res = [self.get_child_value(i).unpack()
for i in range(self.n_children())]
return tuple(res)
# dictionary
if self.get_type_string().startswith('a{'):
res = {}
for i in range(self.n_children()):
v = self.get_child_value(i)
res[v.get_child_value(0).unpack()] = v.get_child_value(1).unpack()
return res
# array
if self.get_type_string().startswith('a'):
return [self.get_child_value(i).unpack()
for i in range(self.n_children())]
# variant (just unbox transparently)
if self.get_type_string().startswith('v'):
return self.get_variant().unpack()
# maybe
if self.get_type_string().startswith('m'):
m = self.get_maybe()
return m.unpack() if m else None
raise NotImplementedError('unsupported GVariant type ' + self.get_type_string()) | [
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pygobject/pgi | pgi/overrides/GLib.py | Variant.split_signature | def split_signature(klass, signature):
"""Return a list of the element signatures of the topmost signature tuple.
If the signature is not a tuple, it returns one element with the entire
signature. If the signature is an empty tuple, the result is [].
This is useful for e. g. iterating over method parameters which are
passed as a single Variant.
"""
if signature == '()':
return []
if not signature.startswith('('):
return [signature]
result = []
head = ''
tail = signature[1:-1] # eat the surrounding ()
while tail:
c = tail[0]
head += c
tail = tail[1:]
if c in ('m', 'a'):
# prefixes, keep collecting
continue
if c in ('(', '{'):
# consume until corresponding )/}
level = 1
up = c
if up == '(':
down = ')'
else:
down = '}'
while level > 0:
c = tail[0]
head += c
tail = tail[1:]
if c == up:
level += 1
elif c == down:
level -= 1
# otherwise we have a simple type
result.append(head)
head = ''
return result | python | def split_signature(klass, signature):
"""Return a list of the element signatures of the topmost signature tuple.
If the signature is not a tuple, it returns one element with the entire
signature. If the signature is an empty tuple, the result is [].
This is useful for e. g. iterating over method parameters which are
passed as a single Variant.
"""
if signature == '()':
return []
if not signature.startswith('('):
return [signature]
result = []
head = ''
tail = signature[1:-1] # eat the surrounding ()
while tail:
c = tail[0]
head += c
tail = tail[1:]
if c in ('m', 'a'):
# prefixes, keep collecting
continue
if c in ('(', '{'):
# consume until corresponding )/}
level = 1
up = c
if up == '(':
down = ')'
else:
down = '}'
while level > 0:
c = tail[0]
head += c
tail = tail[1:]
if c == up:
level += 1
elif c == down:
level -= 1
# otherwise we have a simple type
result.append(head)
head = ''
return result | [
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pygobject/pgi | pgi/codegen/ctypes_backend/utils.py | typeinfo_to_ctypes | def typeinfo_to_ctypes(info, return_value=False):
"""Maps a GITypeInfo() to a ctypes type.
The ctypes types have to be different in the case of return values
since ctypes does 'auto unboxing' in some cases which gives
us no chance to free memory if there is a ownership transfer.
"""
tag = info.tag.value
ptr = info.is_pointer
mapping = {
GITypeTag.BOOLEAN: gboolean,
GITypeTag.INT8: gint8,
GITypeTag.UINT8: guint8,
GITypeTag.INT16: gint16,
GITypeTag.UINT16: guint16,
GITypeTag.INT32: gint32,
GITypeTag.UINT32: guint32,
GITypeTag.INT64: gint64,
GITypeTag.UINT64: guint64,
GITypeTag.FLOAT: gfloat,
GITypeTag.DOUBLE: gdouble,
GITypeTag.VOID: None,
GITypeTag.GTYPE: GType,
GITypeTag.UNICHAR: gunichar,
}
if ptr:
if tag == GITypeTag.INTERFACE:
return gpointer
elif tag in (GITypeTag.UTF8, GITypeTag.FILENAME):
if return_value:
# ctypes does auto conversion to str and gives us no chance
# to free the pointer if transfer=everything
return gpointer
else:
return gchar_p
elif tag == GITypeTag.ARRAY:
return gpointer
elif tag == GITypeTag.ERROR:
return GErrorPtr
elif tag == GITypeTag.GLIST:
return GListPtr
elif tag == GITypeTag.GSLIST:
return GSListPtr
else:
if tag in mapping:
return ctypes.POINTER(mapping[tag])
else:
if tag == GITypeTag.INTERFACE:
iface = info.get_interface()
iface_type = iface.type.value
if iface_type == GIInfoType.ENUM:
return guint32
elif iface_type == GIInfoType.OBJECT:
return gpointer
elif iface_type == GIInfoType.STRUCT:
return gpointer
elif iface_type == GIInfoType.UNION:
return gpointer
elif iface_type == GIInfoType.FLAGS:
return guint
elif iface_type == GIInfoType.CALLBACK:
return GCallback
raise NotImplementedError(
"Could not convert interface: %r to ctypes type" % iface.type)
else:
if tag in mapping:
return mapping[tag]
raise NotImplementedError("Could not convert %r to ctypes type" % info.tag) | python | def typeinfo_to_ctypes(info, return_value=False):
"""Maps a GITypeInfo() to a ctypes type.
The ctypes types have to be different in the case of return values
since ctypes does 'auto unboxing' in some cases which gives
us no chance to free memory if there is a ownership transfer.
"""
tag = info.tag.value
ptr = info.is_pointer
mapping = {
GITypeTag.BOOLEAN: gboolean,
GITypeTag.INT8: gint8,
GITypeTag.UINT8: guint8,
GITypeTag.INT16: gint16,
GITypeTag.UINT16: guint16,
GITypeTag.INT32: gint32,
GITypeTag.UINT32: guint32,
GITypeTag.INT64: gint64,
GITypeTag.UINT64: guint64,
GITypeTag.FLOAT: gfloat,
GITypeTag.DOUBLE: gdouble,
GITypeTag.VOID: None,
GITypeTag.GTYPE: GType,
GITypeTag.UNICHAR: gunichar,
}
if ptr:
if tag == GITypeTag.INTERFACE:
return gpointer
elif tag in (GITypeTag.UTF8, GITypeTag.FILENAME):
if return_value:
# ctypes does auto conversion to str and gives us no chance
# to free the pointer if transfer=everything
return gpointer
else:
return gchar_p
elif tag == GITypeTag.ARRAY:
return gpointer
elif tag == GITypeTag.ERROR:
return GErrorPtr
elif tag == GITypeTag.GLIST:
return GListPtr
elif tag == GITypeTag.GSLIST:
return GSListPtr
else:
if tag in mapping:
return ctypes.POINTER(mapping[tag])
else:
if tag == GITypeTag.INTERFACE:
iface = info.get_interface()
iface_type = iface.type.value
if iface_type == GIInfoType.ENUM:
return guint32
elif iface_type == GIInfoType.OBJECT:
return gpointer
elif iface_type == GIInfoType.STRUCT:
return gpointer
elif iface_type == GIInfoType.UNION:
return gpointer
elif iface_type == GIInfoType.FLAGS:
return guint
elif iface_type == GIInfoType.CALLBACK:
return GCallback
raise NotImplementedError(
"Could not convert interface: %r to ctypes type" % iface.type)
else:
if tag in mapping:
return mapping[tag]
raise NotImplementedError("Could not convert %r to ctypes type" % info.tag) | [
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pygobject/pgi | pgi/codegen/ctypes_backend/utils.py | BaseType.pack_pointer | def pack_pointer(self, name):
"""Returns a pointer containing the value.
This only works for int32/uint32/utf-8..
"""
return self.parse("""
raise $_.TypeError('Can\\'t convert %(type_name)s to pointer: %%r' %% $in_)
""" % {"type_name": type(self).__name__}, in_=name)["in_"] | python | def pack_pointer(self, name):
"""Returns a pointer containing the value.
This only works for int32/uint32/utf-8..
"""
return self.parse("""
raise $_.TypeError('Can\\'t convert %(type_name)s to pointer: %%r' %% $in_)
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pygobject/pgi | pgi/clib/gir/gitypelib.py | GITypelib.new_from_memory | def new_from_memory(cls, data):
"""Takes bytes and returns a GITypelib, or raises GIError"""
size = len(data)
copy = g_memdup(data, size)
ptr = cast(copy, POINTER(guint8))
try:
with gerror(GIError) as error:
return GITypelib._new_from_memory(ptr, size, error)
except GIError:
free(copy)
raise | python | def new_from_memory(cls, data):
"""Takes bytes and returns a GITypelib, or raises GIError"""
size = len(data)
copy = g_memdup(data, size)
ptr = cast(copy, POINTER(guint8))
try:
with gerror(GIError) as error:
return GITypelib._new_from_memory(ptr, size, error)
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pygobject/pgi | pgi/cffilib/gir/gibaseinfo.py | GIBaseInfo._get_type | def _get_type(cls, ptr):
"""Get the subtype class for a pointer"""
# fall back to the base class if unknown
return cls.__types.get(lib.g_base_info_get_type(ptr), cls) | python | def _get_type(cls, ptr):
"""Get the subtype class for a pointer"""
# fall back to the base class if unknown
return cls.__types.get(lib.g_base_info_get_type(ptr), cls) | [
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pygobject/pgi | pgi/obj.py | add_method | def add_method(info, target_cls, virtual=False, dont_replace=False):
"""Add a method to the target class"""
# escape before prefixing, like pygobject
name = escape_identifier(info.name)
if virtual:
name = "do_" + name
attr = VirtualMethodAttribute(info, target_cls, name)
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attr = MethodAttribute(info, target_cls, name)
if dont_replace and hasattr(target_cls, name):
return
setattr(target_cls, name, attr) | python | def add_method(info, target_cls, virtual=False, dont_replace=False):
"""Add a method to the target class"""
# escape before prefixing, like pygobject
name = escape_identifier(info.name)
if virtual:
name = "do_" + name
attr = VirtualMethodAttribute(info, target_cls, name)
else:
attr = MethodAttribute(info, target_cls, name)
if dont_replace and hasattr(target_cls, name):
return
setattr(target_cls, name, attr) | [
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pygobject/pgi | pgi/obj.py | InterfaceAttribute | def InterfaceAttribute(iface_info):
"""Creates a GInterface class"""
# Create a new class
cls = type(iface_info.name, (InterfaceBase,), dict(_Interface.__dict__))
cls.__module__ = iface_info.namespace
# GType
cls.__gtype__ = PGType(iface_info.g_type)
# Properties
cls.props = PropertyAttribute(iface_info)
# Signals
cls.signals = SignalsAttribute(iface_info)
# Add constants
for constant in iface_info.get_constants():
constant_name = constant.name
attr = ConstantAttribute(constant)
setattr(cls, constant_name, attr)
# Add methods
for method_info in iface_info.get_methods():
add_method(method_info, cls)
# VFuncs
for vfunc_info in iface_info.get_vfuncs():
add_method(vfunc_info, cls, virtual=True)
cls._sigs = {}
is_info = iface_info.get_iface_struct()
if is_info:
iface_struct = import_attribute(is_info.namespace, is_info.name)
else:
iface_struct = None
def get_iface_struct(cls):
if not iface_struct:
return None
ptr = cls.__gtype__._type.default_interface_ref()
if not ptr:
return None
return iface_struct._from_pointer(addressof(ptr.contents))
setattr(cls, "_get_iface_struct", classmethod(get_iface_struct))
return cls | python | def InterfaceAttribute(iface_info):
"""Creates a GInterface class"""
# Create a new class
cls = type(iface_info.name, (InterfaceBase,), dict(_Interface.__dict__))
cls.__module__ = iface_info.namespace
# GType
cls.__gtype__ = PGType(iface_info.g_type)
# Properties
cls.props = PropertyAttribute(iface_info)
# Signals
cls.signals = SignalsAttribute(iface_info)
# Add constants
for constant in iface_info.get_constants():
constant_name = constant.name
attr = ConstantAttribute(constant)
setattr(cls, constant_name, attr)
# Add methods
for method_info in iface_info.get_methods():
add_method(method_info, cls)
# VFuncs
for vfunc_info in iface_info.get_vfuncs():
add_method(vfunc_info, cls, virtual=True)
cls._sigs = {}
is_info = iface_info.get_iface_struct()
if is_info:
iface_struct = import_attribute(is_info.namespace, is_info.name)
else:
iface_struct = None
def get_iface_struct(cls):
if not iface_struct:
return None
ptr = cls.__gtype__._type.default_interface_ref()
if not ptr:
return None
return iface_struct._from_pointer(addressof(ptr.contents))
setattr(cls, "_get_iface_struct", classmethod(get_iface_struct))
return cls | [
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pygobject/pgi | pgi/obj.py | new_class_from_gtype | def new_class_from_gtype(gtype):
"""Create a new class for a gtype not in the gir.
The caller is responsible for caching etc.
"""
if gtype.is_a(PGType.from_name("GObject")):
parent = gtype.parent.pytype
if parent is None or parent == PGType.from_name("void"):
return
interfaces = [i.pytype for i in gtype.interfaces]
bases = tuple([parent] + interfaces)
cls = type(gtype.name, bases, dict())
cls.__gtype__ = gtype
return cls
elif gtype.is_a(PGType.from_name("GEnum")):
from pgi.enum import GEnumBase
return GEnumBase | python | def new_class_from_gtype(gtype):
"""Create a new class for a gtype not in the gir.
The caller is responsible for caching etc.
"""
if gtype.is_a(PGType.from_name("GObject")):
parent = gtype.parent.pytype
if parent is None or parent == PGType.from_name("void"):
return
interfaces = [i.pytype for i in gtype.interfaces]
bases = tuple([parent] + interfaces)
cls = type(gtype.name, bases, dict())
cls.__gtype__ = gtype
return cls
elif gtype.is_a(PGType.from_name("GEnum")):
from pgi.enum import GEnumBase
return GEnumBase | [
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pygobject/pgi | pgi/obj.py | ObjectAttribute | def ObjectAttribute(obj_info):
"""Creates a GObject class.
It inherits from the base class and all interfaces it implements.
"""
if obj_info.name == "Object" and obj_info.namespace == "GObject":
cls = Object
else:
# Get the parent class
parent_obj = obj_info.get_parent()
if parent_obj:
attr = import_attribute(parent_obj.namespace, parent_obj.name)
bases = (attr,)
else:
bases = (object,)
# Get all object interfaces
ifaces = []
for interface in obj_info.get_interfaces():
attr = import_attribute(interface.namespace, interface.name)
# only add interfaces if the base classes don't have it
for base in bases:
if attr in base.__mro__:
break
else:
ifaces.append(attr)
# Combine them to a base class list
if ifaces:
bases = tuple(list(bases) + ifaces)
# Create a new class
cls = type(obj_info.name, bases, dict())
cls.__module__ = obj_info.namespace
# Set root to unowned= False and InitiallyUnowned=True
if obj_info.namespace == "GObject":
if obj_info.name == "InitiallyUnowned":
cls._unowned = True
elif obj_info.name == "Object":
cls._unowned = False
# GType
cls.__gtype__ = PGType(obj_info.g_type)
if not obj_info.fundamental:
# Constructor cache
cls._constructors = {}
# Properties
setattr(cls, PROPS_NAME, PropertyAttribute(obj_info))
# Signals
cls.signals = SignalsAttribute(obj_info)
# Signals
cls.__sigs__ = {}
for sig_info in obj_info.get_signals():
signal_name = sig_info.name
cls.__sigs__[signal_name] = sig_info
# Add constants
for constant in obj_info.get_constants():
constant_name = constant.name
attr = ConstantAttribute(constant)
setattr(cls, constant_name, attr)
# Fields
for field in obj_info.get_fields():
field_name = escape_identifier(field.name)
attr = FieldAttribute(field_name, field)
setattr(cls, field_name, attr)
# Add methods
for method_info in obj_info.get_methods():
# we implement most of the base object ourself
add_method(method_info, cls, dont_replace=cls is Object)
# VFuncs
for vfunc_info in obj_info.get_vfuncs():
add_method(vfunc_info, cls, virtual=True)
cs_info = obj_info.get_class_struct()
if cs_info:
class_struct = import_attribute(cs_info.namespace, cs_info.name)
else:
class_struct = None
# XXX ^ 2
def get_class_struct(cls, type_=None):
"""Returns the class struct casted to the passed type"""
if type_ is None:
type_ = class_struct
if type_ is None:
return None
ptr = cls.__gtype__._type.class_ref()
return type_._from_pointer(ptr)
setattr(cls, "_get_class_struct", classmethod(get_class_struct))
return cls | python | def ObjectAttribute(obj_info):
"""Creates a GObject class.
It inherits from the base class and all interfaces it implements.
"""
if obj_info.name == "Object" and obj_info.namespace == "GObject":
cls = Object
else:
# Get the parent class
parent_obj = obj_info.get_parent()
if parent_obj:
attr = import_attribute(parent_obj.namespace, parent_obj.name)
bases = (attr,)
else:
bases = (object,)
# Get all object interfaces
ifaces = []
for interface in obj_info.get_interfaces():
attr = import_attribute(interface.namespace, interface.name)
# only add interfaces if the base classes don't have it
for base in bases:
if attr in base.__mro__:
break
else:
ifaces.append(attr)
# Combine them to a base class list
if ifaces:
bases = tuple(list(bases) + ifaces)
# Create a new class
cls = type(obj_info.name, bases, dict())
cls.__module__ = obj_info.namespace
# Set root to unowned= False and InitiallyUnowned=True
if obj_info.namespace == "GObject":
if obj_info.name == "InitiallyUnowned":
cls._unowned = True
elif obj_info.name == "Object":
cls._unowned = False
# GType
cls.__gtype__ = PGType(obj_info.g_type)
if not obj_info.fundamental:
# Constructor cache
cls._constructors = {}
# Properties
setattr(cls, PROPS_NAME, PropertyAttribute(obj_info))
# Signals
cls.signals = SignalsAttribute(obj_info)
# Signals
cls.__sigs__ = {}
for sig_info in obj_info.get_signals():
signal_name = sig_info.name
cls.__sigs__[signal_name] = sig_info
# Add constants
for constant in obj_info.get_constants():
constant_name = constant.name
attr = ConstantAttribute(constant)
setattr(cls, constant_name, attr)
# Fields
for field in obj_info.get_fields():
field_name = escape_identifier(field.name)
attr = FieldAttribute(field_name, field)
setattr(cls, field_name, attr)
# Add methods
for method_info in obj_info.get_methods():
# we implement most of the base object ourself
add_method(method_info, cls, dont_replace=cls is Object)
# VFuncs
for vfunc_info in obj_info.get_vfuncs():
add_method(vfunc_info, cls, virtual=True)
cs_info = obj_info.get_class_struct()
if cs_info:
class_struct = import_attribute(cs_info.namespace, cs_info.name)
else:
class_struct = None
# XXX ^ 2
def get_class_struct(cls, type_=None):
"""Returns the class struct casted to the passed type"""
if type_ is None:
type_ = class_struct
if type_ is None:
return None
ptr = cls.__gtype__._type.class_ref()
return type_._from_pointer(ptr)
setattr(cls, "_get_class_struct", classmethod(get_class_struct))
return cls | [
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pygobject/pgi | pgi/obj.py | Object._generate_constructor | def _generate_constructor(cls, names):
"""Get a hopefully cache constructor"""
cache = cls._constructors
if names in cache:
return cache[names]
elif len(cache) > 3:
cache.clear()
func = generate_constructor(cls, names)
cache[names] = func
return func | python | def _generate_constructor(cls, names):
"""Get a hopefully cache constructor"""
cache = cls._constructors
if names in cache:
return cache[names]
elif len(cache) > 3:
cache.clear()
func = generate_constructor(cls, names)
cache[names] = func
return func | [
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pygobject/pgi | pgi/obj.py | Object.set_property | def set_property(self, name, value):
"""set_property(property_name: str, value: object)
Set property *property_name* to *value*.
"""
if not hasattr(self.props, name):
raise TypeError("Unknown property: %r" % name)
setattr(self.props, name, value) | python | def set_property(self, name, value):
"""set_property(property_name: str, value: object)
Set property *property_name* to *value*.
"""
if not hasattr(self.props, name):
raise TypeError("Unknown property: %r" % name)
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pygobject/pgi | pgi/obj.py | Object.get_property | def get_property(self, name):
"""get_property(property_name: str) -> object
Retrieves a property value.
"""
if not hasattr(self.props, name):
raise TypeError("Unknown property: %r" % name)
return getattr(self.props, name) | python | def get_property(self, name):
"""get_property(property_name: str) -> object
Retrieves a property value.
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if not hasattr(self.props, name):
raise TypeError("Unknown property: %r" % name)
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pygobject/pgi | pgi/obj.py | Object.connect | def connect(self, detailed_signal, handler, *args):
"""connect(detailed_signal: str, handler: function, *args) -> handler_id: int
The connect() method adds a function or method (handler) to the end
of the list of signal handlers for the named detailed_signal but
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For example if a function handler was connected to a signal using::
handler_id = object.connect("signal_name", handler, arg1, arg2, arg3)
The handler should be defined as::
def handler(object, arg1, arg2, arg3):
A method handler connected to a signal using::
handler_id = object.connect("signal_name", self.handler, arg1, arg2)
requires an additional argument when defined::
def handler(self, object, arg1, arg2)
A TypeError exception is raised if detailed_signal identifies a
signal name that is not associated with the object.
"""
return self.__connect(0, detailed_signal, handler, *args) | python | def connect(self, detailed_signal, handler, *args):
"""connect(detailed_signal: str, handler: function, *args) -> handler_id: int
The connect() method adds a function or method (handler) to the end
of the list of signal handlers for the named detailed_signal but
before the default class signal handler. An optional set of
parameters may be specified after the handler parameter. These will
all be passed to the signal handler when invoked.
For example if a function handler was connected to a signal using::
handler_id = object.connect("signal_name", handler, arg1, arg2, arg3)
The handler should be defined as::
def handler(object, arg1, arg2, arg3):
A method handler connected to a signal using::
handler_id = object.connect("signal_name", self.handler, arg1, arg2)
requires an additional argument when defined::
def handler(self, object, arg1, arg2)
A TypeError exception is raised if detailed_signal identifies a
signal name that is not associated with the object.
"""
return self.__connect(0, detailed_signal, handler, *args) | [
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pygobject/pgi | pgi/obj.py | Object.connect_after | def connect_after(self, detailed_signal, handler, *args):
"""connect_after(detailed_signal: str, handler: function, *args) -> handler_id: int
The connect_after() method is similar to the connect() method
except that the handler is added to the signal handler list after
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flags = GConnectFlags.CONNECT_AFTER
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"""connect_after(detailed_signal: str, handler: function, *args) -> handler_id: int
The connect_after() method is similar to the connect() method
except that the handler is added to the signal handler list after
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flags = GConnectFlags.CONNECT_AFTER
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type_value = base_info.type.value
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pygobject/pgi | pgi/util.py | decode_return | def decode_return(codec="ascii"):
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def outer(f):
def wrap(*args, **kwargs):
res = f(*args, **kwargs)
if res is not None:
return res.decode(codec)
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return wrap
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"""Decodes the return value of it isn't None"""
def outer(f):
def wrap(*args, **kwargs):
res = f(*args, **kwargs)
if res is not None:
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Raises OSError like LoadLibrary if loading fails.
e.g. javascriptcoregtk-3.0 should be libjavascriptcoregtk-3.0.so on unix
"""
try:
return cdll.LoadLibrary(name)
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if name is None:
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return cdll.LoadLibrary(name) | python | def load_ctypes_library(name):
"""Takes a library name and calls find_library in case loading fails,
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Raises OSError like LoadLibrary if loading fails.
e.g. javascriptcoregtk-3.0 should be libjavascriptcoregtk-3.0.so on unix
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pygobject/pgi | pgi/util.py | escape_identifier | def escape_identifier(text, reg=KWD_RE):
"""Escape partial C identifiers so they can be used as
attributes/arguments"""
# see http://docs.python.org/reference/lexical_analysis.html#identifiers
if not text:
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return reg.sub(r"\1_", text) | python | def escape_identifier(text, reg=KWD_RE):
"""Escape partial C identifiers so they can be used as
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# see http://docs.python.org/reference/lexical_analysis.html#identifiers
if not text:
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def wrap():
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return _cache[0]
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"""Cache the return value of a function without arguments"""
_cache = []
def wrap():
if not _cache:
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pygobject/pgi | pgi/util.py | InfoIterWrapper.lookup_name_fast | def lookup_name_fast(self, name):
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"""Might return a struct"""
if name in self.__names:
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lo = 0
hi = count
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pygobject/pgi | pgi/util.py | InfoIterWrapper.lookup_name_slow | def lookup_name_slow(self, name):
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pygobject/pgi | pgi/util.py | InfoIterWrapper.lookup_name | def lookup_name(self, name):
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pygobject/pgi | pgi/util.py | ResultTuple._new_type | def _new_type(cls, args):
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Pass a list of field names or None for no field name.
>>> x = ResultTuple._new_type([None, "bar"])
>>> x((1, 3))
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return _ResultTuple | python | def _new_type(cls, args):
"""Creates a new class similar to namedtuple.
Pass a list of field names or None for no field name.
>>> x = ResultTuple._new_type([None, "bar"])
>>> x((1, 3))
ResultTuple(1, bar=3)
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pygobject/pgi | pgi/overrides/GObject.py | signal_list_names | def signal_list_names(type_):
"""Returns a list of signal names for the given type
:param type\\_:
:type type\\_: :obj:`GObject.GType`
:returns: A list of signal names
:rtype: :obj:`list`
"""
ids = signal_list_ids(type_)
return tuple(GObjectModule.signal_name(i) for i in ids) | python | def signal_list_names(type_):
"""Returns a list of signal names for the given type
:param type\\_:
:type type\\_: :obj:`GObject.GType`
:returns: A list of signal names
:rtype: :obj:`list`
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ids = signal_list_ids(type_)
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pygobject/pgi | pgi/overrides/GObject.py | signal_handler_block | def signal_handler_block(obj, handler_id):
"""Blocks the signal handler from being invoked until
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:param GObject.Object obj:
Object instance to block handlers for.
:param int handler_id:
Id of signal to block.
:returns:
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.. code-block:: python
with GObject.signal_handler_block(obj, id):
pass
"""
GObjectModule.signal_handler_block(obj, handler_id)
return _HandlerBlockManager(obj, handler_id) | python | def signal_handler_block(obj, handler_id):
"""Blocks the signal handler from being invoked until
handler_unblock() is called.
:param GObject.Object obj:
Object instance to block handlers for.
:param int handler_id:
Id of signal to block.
:returns:
A context manager which optionally can be used to
automatically unblock the handler:
.. code-block:: python
with GObject.signal_handler_block(obj, id):
pass
"""
GObjectModule.signal_handler_block(obj, handler_id)
return _HandlerBlockManager(obj, handler_id) | [
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pygobject/pgi | pgi/overrides/GObject.py | signal_parse_name | def signal_parse_name(detailed_signal, itype, force_detail_quark):
"""Parse a detailed signal name into (signal_id, detail).
:param str detailed_signal:
Signal name which can include detail.
For example: "notify:prop_name"
:returns:
Tuple of (signal_id, detail)
:raises ValueError:
If the given signal is unknown.
"""
res, signal_id, detail = GObjectModule.signal_parse_name(detailed_signal, itype,
force_detail_quark)
if res:
return signal_id, detail
else:
raise ValueError('%s: unknown signal name: %s' % (itype, detailed_signal)) | python | def signal_parse_name(detailed_signal, itype, force_detail_quark):
"""Parse a detailed signal name into (signal_id, detail).
:param str detailed_signal:
Signal name which can include detail.
For example: "notify:prop_name"
:returns:
Tuple of (signal_id, detail)
:raises ValueError:
If the given signal is unknown.
"""
res, signal_id, detail = GObjectModule.signal_parse_name(detailed_signal, itype,
force_detail_quark)
if res:
return signal_id, detail
else:
raise ValueError('%s: unknown signal name: %s' % (itype, detailed_signal)) | [
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pygobject/pgi | pgi/clib/_utils.py | find_library | def find_library(name, cached=True, internal=True):
"""
cached: Return a new instance
internal: return a shared instance that's not the ctypes cached one
"""
# a new one
if not cached:
return cdll.LoadLibrary(_so_mapping[name])
# from the shared internal set or a new one
if internal:
if name not in _internal:
_internal[name] = cdll.LoadLibrary(_so_mapping[name])
return _internal[name]
# a shared one
return getattr(cdll, _so_mapping[name]) | python | def find_library(name, cached=True, internal=True):
"""
cached: Return a new instance
internal: return a shared instance that's not the ctypes cached one
"""
# a new one
if not cached:
return cdll.LoadLibrary(_so_mapping[name])
# from the shared internal set or a new one
if internal:
if name not in _internal:
_internal[name] = cdll.LoadLibrary(_so_mapping[name])
return _internal[name]
# a shared one
return getattr(cdll, _so_mapping[name]) | [
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pygobject/pgi | pgi/clib/_utils.py | _BaseFinalizer.track | def track(cls, obj, ptr):
"""
Track an object which needs destruction when it is garbage collected.
"""
cls._objects.add(cls(obj, ptr)) | python | def track(cls, obj, ptr):
"""
Track an object which needs destruction when it is garbage collected.
"""
cls._objects.add(cls(obj, ptr)) | [
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pygobject/pgi | pgi/overrides/Gio.py | _DBusProxyMethodCall._unpack_result | def _unpack_result(klass, result):
'''Convert a D-BUS return variant into an appropriate return value'''
result = result.unpack()
# to be compatible with standard Python behaviour, unbox
# single-element tuples and return None for empty result tuples
if len(result) == 1:
result = result[0]
elif len(result) == 0:
result = None
return result | python | def _unpack_result(klass, result):
'''Convert a D-BUS return variant into an appropriate return value'''
result = result.unpack()
# to be compatible with standard Python behaviour, unbox
# single-element tuples and return None for empty result tuples
if len(result) == 1:
result = result[0]
elif len(result) == 0:
result = None
return result | [
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pygobject/pgi | pgi/properties.py | list_properties | def list_properties(type):
"""
:param type: a Python GObject instance or type that the signal is associated with
:type type: :obj:`GObject.Object`
:returns: a list of :obj:`GObject.ParamSpec`
:rtype: [:obj:`GObject.ParamSpec`]
Takes a GObject/GInterface subclass or a GType and returns a list of
GParamSpecs for all properties of `type`.
"""
if isinstance(type, PGType):
type = type.pytype
from pgi.obj import Object, InterfaceBase
if not issubclass(type, (Object, InterfaceBase)):
raise TypeError("Must be a subclass of %s or %s" %
(Object.__name__, InterfaceBase.__name__))
gparams = []
for key in dir(type.props):
if not key.startswith("_"):
gparams.append(getattr(type.props, key))
return gparams | python | def list_properties(type):
"""
:param type: a Python GObject instance or type that the signal is associated with
:type type: :obj:`GObject.Object`
:returns: a list of :obj:`GObject.ParamSpec`
:rtype: [:obj:`GObject.ParamSpec`]
Takes a GObject/GInterface subclass or a GType and returns a list of
GParamSpecs for all properties of `type`.
"""
if isinstance(type, PGType):
type = type.pytype
from pgi.obj import Object, InterfaceBase
if not issubclass(type, (Object, InterfaceBase)):
raise TypeError("Must be a subclass of %s or %s" %
(Object.__name__, InterfaceBase.__name__))
gparams = []
for key in dir(type.props):
if not key.startswith("_"):
gparams.append(getattr(type.props, key))
return gparams | [
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pygobject/pgi | pgi/overrides/__init__.py | load_overrides | def load_overrides(introspection_module):
"""Loads overrides for an introspection module.
Either returns the same module again in case there are no overrides or a
proxy module including overrides. Doesn't cache the result.
"""
namespace = introspection_module.__name__.rsplit(".", 1)[-1]
module_keys = [prefix + "." + namespace for prefix in const.PREFIX]
# We use sys.modules so overrides can import from gi.repository
# but restore everything at the end so this doesn't have any side effects
for module_key in module_keys:
has_old = module_key in sys.modules
old_module = sys.modules.get(module_key)
# Create a new sub type, so we can separate descriptors like
# _DeprecatedAttribute for each namespace.
proxy_type = type(namespace + "ProxyModule", (OverridesProxyModule, ), {})
proxy = proxy_type(introspection_module)
for module_key in module_keys:
sys.modules[module_key] = proxy
try:
override_package_name = 'pgi.overrides.' + namespace
# http://bugs.python.org/issue14710
try:
override_loader = get_loader(override_package_name)
except AttributeError:
override_loader = None
# Avoid checking for an ImportError, an override might
# depend on a missing module thus causing an ImportError
if override_loader is None:
return introspection_module
override_mod = importlib.import_module(override_package_name)
finally:
for module_key in module_keys:
del sys.modules[module_key]
if has_old:
sys.modules[module_key] = old_module
override_all = []
if hasattr(override_mod, "__all__"):
override_all = override_mod.__all__
for var in override_all:
try:
item = getattr(override_mod, var)
except (AttributeError, TypeError):
# Gedit puts a non-string in __all__, so catch TypeError here
continue
# make sure new classes have a proper __module__
try:
if item.__module__.split(".")[-1] == namespace:
item.__module__ = namespace
except AttributeError:
pass
setattr(proxy, var, item)
# Replace deprecated module level attributes with a descriptor
# which emits a warning when accessed.
for attr, replacement in _deprecated_attrs.pop(namespace, []):
try:
value = getattr(proxy, attr)
except AttributeError:
raise AssertionError(
"%s was set deprecated but wasn't added to __all__" % attr)
delattr(proxy, attr)
deprecated_attr = _DeprecatedAttribute(
namespace, attr, value, replacement)
setattr(proxy_type, attr, deprecated_attr)
return proxy | python | def load_overrides(introspection_module):
"""Loads overrides for an introspection module.
Either returns the same module again in case there are no overrides or a
proxy module including overrides. Doesn't cache the result.
"""
namespace = introspection_module.__name__.rsplit(".", 1)[-1]
module_keys = [prefix + "." + namespace for prefix in const.PREFIX]
# We use sys.modules so overrides can import from gi.repository
# but restore everything at the end so this doesn't have any side effects
for module_key in module_keys:
has_old = module_key in sys.modules
old_module = sys.modules.get(module_key)
# Create a new sub type, so we can separate descriptors like
# _DeprecatedAttribute for each namespace.
proxy_type = type(namespace + "ProxyModule", (OverridesProxyModule, ), {})
proxy = proxy_type(introspection_module)
for module_key in module_keys:
sys.modules[module_key] = proxy
try:
override_package_name = 'pgi.overrides.' + namespace
# http://bugs.python.org/issue14710
try:
override_loader = get_loader(override_package_name)
except AttributeError:
override_loader = None
# Avoid checking for an ImportError, an override might
# depend on a missing module thus causing an ImportError
if override_loader is None:
return introspection_module
override_mod = importlib.import_module(override_package_name)
finally:
for module_key in module_keys:
del sys.modules[module_key]
if has_old:
sys.modules[module_key] = old_module
override_all = []
if hasattr(override_mod, "__all__"):
override_all = override_mod.__all__
for var in override_all:
try:
item = getattr(override_mod, var)
except (AttributeError, TypeError):
# Gedit puts a non-string in __all__, so catch TypeError here
continue
# make sure new classes have a proper __module__
try:
if item.__module__.split(".")[-1] == namespace:
item.__module__ = namespace
except AttributeError:
pass
setattr(proxy, var, item)
# Replace deprecated module level attributes with a descriptor
# which emits a warning when accessed.
for attr, replacement in _deprecated_attrs.pop(namespace, []):
try:
value = getattr(proxy, attr)
except AttributeError:
raise AssertionError(
"%s was set deprecated but wasn't added to __all__" % attr)
delattr(proxy, attr)
deprecated_attr = _DeprecatedAttribute(
namespace, attr, value, replacement)
setattr(proxy_type, attr, deprecated_attr)
return proxy | [
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pygobject/pgi | pgi/overrides/__init__.py | override | def override(klass):
"""Takes a override class or function and assigns it dunder arguments
form the overidden one.
"""
namespace = klass.__module__.rsplit(".", 1)[-1]
mod_name = const.PREFIX[-1] + "." + namespace
module = sys.modules[mod_name]
if isinstance(klass, types.FunctionType):
def wrap(wrapped):
setattr(module, klass.__name__, wrapped)
return wrapped
return wrap
old_klass = klass.__mro__[1]
name = old_klass.__name__
klass.__name__ = name
klass.__module__ = old_klass.__module__
setattr(module, name, klass)
return klass | python | def override(klass):
"""Takes a override class or function and assigns it dunder arguments
form the overidden one.
"""
namespace = klass.__module__.rsplit(".", 1)[-1]
mod_name = const.PREFIX[-1] + "." + namespace
module = sys.modules[mod_name]
if isinstance(klass, types.FunctionType):
def wrap(wrapped):
setattr(module, klass.__name__, wrapped)
return wrapped
return wrap
old_klass = klass.__mro__[1]
name = old_klass.__name__
klass.__name__ = name
klass.__module__ = old_klass.__module__
setattr(module, name, klass)
return klass | [
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pygobject/pgi | pgi/overrides/__init__.py | deprecated | def deprecated(function, instead):
"""Mark a function deprecated so calling it issues a warning"""
# skip for classes, breaks doc generation
if not isinstance(function, types.FunctionType):
return function
@wraps(function)
def wrap(*args, **kwargs):
warnings.warn("Deprecated, use %s instead" % instead,
PyGIDeprecationWarning)
return function(*args, **kwargs)
return wrap | python | def deprecated(function, instead):
"""Mark a function deprecated so calling it issues a warning"""
# skip for classes, breaks doc generation
if not isinstance(function, types.FunctionType):
return function
@wraps(function)
def wrap(*args, **kwargs):
warnings.warn("Deprecated, use %s instead" % instead,
PyGIDeprecationWarning)
return function(*args, **kwargs)
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pygobject/pgi | pgi/overrides/__init__.py | deprecated_attr | def deprecated_attr(namespace, attr, replacement):
"""Marks a module level attribute as deprecated. Accessing it will emit
a PyGIDeprecationWarning warning.
e.g. for ``deprecated_attr("GObject", "STATUS_FOO", "GLib.Status.FOO")``
accessing GObject.STATUS_FOO will emit:
"GObject.STATUS_FOO is deprecated; use GLib.Status.FOO instead"
:param str namespace:
The namespace of the override this is called in.
:param str namespace:
The attribute name (which gets added to __all__).
:param str replacement:
The replacement text which will be included in the warning.
"""
_deprecated_attrs.setdefault(namespace, []).append((attr, replacement)) | python | def deprecated_attr(namespace, attr, replacement):
"""Marks a module level attribute as deprecated. Accessing it will emit
a PyGIDeprecationWarning warning.
e.g. for ``deprecated_attr("GObject", "STATUS_FOO", "GLib.Status.FOO")``
accessing GObject.STATUS_FOO will emit:
"GObject.STATUS_FOO is deprecated; use GLib.Status.FOO instead"
:param str namespace:
The namespace of the override this is called in.
:param str namespace:
The attribute name (which gets added to __all__).
:param str replacement:
The replacement text which will be included in the warning.
"""
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pygobject/pgi | pgi/overrides/__init__.py | deprecated_init | def deprecated_init(super_init_func, arg_names, ignore=tuple(),
deprecated_aliases={}, deprecated_defaults={},
category=PyGIDeprecationWarning,
stacklevel=2):
"""Wrapper for deprecating GObject based __init__ methods which specify
defaults already available or non-standard defaults.
:param callable super_init_func:
Initializer to wrap.
:param list arg_names:
Ordered argument name list.
:param list ignore:
List of argument names to ignore when calling the wrapped function.
This is useful for function which take a non-standard keyword that is munged elsewhere.
:param dict deprecated_aliases:
Dictionary mapping a keyword alias to the actual g_object_newv keyword.
:param dict deprecated_defaults:
Dictionary of non-standard defaults that will be used when the
keyword is not explicitly passed.
:param Exception category:
Exception category of the error.
:param int stacklevel:
Stack level for the deprecation passed on to warnings.warn
:returns: Wrapped version of ``super_init_func`` which gives a deprecation
warning when non-keyword args or aliases are used.
:rtype: callable
"""
# We use a list of argument names to maintain order of the arguments
# being deprecated. This allows calls with positional arguments to
# continue working but with a deprecation message.
def new_init(self, *args, **kwargs):
"""Initializer for a GObject based classes with support for property
sets through the use of explicit keyword arguments.
"""
# Print warnings for calls with positional arguments.
if args:
warnings.warn('Using positional arguments with the GObject constructor has been deprecated. '
'Please specify keyword(s) for "%s" or use a class specific constructor. '
'See: https://wiki.gnome.org/PyGObject/InitializerDeprecations' %
', '.join(arg_names[:len(args)]),
category, stacklevel=stacklevel)
new_kwargs = dict(zip(arg_names, args))
else:
new_kwargs = {}
new_kwargs.update(kwargs)
# Print warnings for alias usage and transfer them into the new key.
aliases_used = []
for key, alias in deprecated_aliases.items():
if alias in new_kwargs:
new_kwargs[key] = new_kwargs.pop(alias)
aliases_used.append(key)
if aliases_used:
warnings.warn('The keyword(s) "%s" have been deprecated in favor of "%s" respectively. '
'See: https://wiki.gnome.org/PyGObject/InitializerDeprecations' %
(', '.join(deprecated_aliases[k] for k in sorted(aliases_used)),
', '.join(sorted(aliases_used))),
category, stacklevel=stacklevel)
# Print warnings for defaults different than what is already provided by the property
defaults_used = []
for key, value in deprecated_defaults.items():
if key not in new_kwargs:
new_kwargs[key] = deprecated_defaults[key]
defaults_used.append(key)
if defaults_used:
warnings.warn('Initializer is relying on deprecated non-standard '
'defaults. Please update to explicitly use: %s '
'See: https://wiki.gnome.org/PyGObject/InitializerDeprecations' %
', '.join('%s=%s' % (k, deprecated_defaults[k]) for k in sorted(defaults_used)),
category, stacklevel=stacklevel)
# Remove keywords that should be ignored.
for key in ignore:
if key in new_kwargs:
new_kwargs.pop(key)
return super_init_func(self, **new_kwargs)
return new_init | python | def deprecated_init(super_init_func, arg_names, ignore=tuple(),
deprecated_aliases={}, deprecated_defaults={},
category=PyGIDeprecationWarning,
stacklevel=2):
"""Wrapper for deprecating GObject based __init__ methods which specify
defaults already available or non-standard defaults.
:param callable super_init_func:
Initializer to wrap.
:param list arg_names:
Ordered argument name list.
:param list ignore:
List of argument names to ignore when calling the wrapped function.
This is useful for function which take a non-standard keyword that is munged elsewhere.
:param dict deprecated_aliases:
Dictionary mapping a keyword alias to the actual g_object_newv keyword.
:param dict deprecated_defaults:
Dictionary of non-standard defaults that will be used when the
keyword is not explicitly passed.
:param Exception category:
Exception category of the error.
:param int stacklevel:
Stack level for the deprecation passed on to warnings.warn
:returns: Wrapped version of ``super_init_func`` which gives a deprecation
warning when non-keyword args or aliases are used.
:rtype: callable
"""
# We use a list of argument names to maintain order of the arguments
# being deprecated. This allows calls with positional arguments to
# continue working but with a deprecation message.
def new_init(self, *args, **kwargs):
"""Initializer for a GObject based classes with support for property
sets through the use of explicit keyword arguments.
"""
# Print warnings for calls with positional arguments.
if args:
warnings.warn('Using positional arguments with the GObject constructor has been deprecated. '
'Please specify keyword(s) for "%s" or use a class specific constructor. '
'See: https://wiki.gnome.org/PyGObject/InitializerDeprecations' %
', '.join(arg_names[:len(args)]),
category, stacklevel=stacklevel)
new_kwargs = dict(zip(arg_names, args))
else:
new_kwargs = {}
new_kwargs.update(kwargs)
# Print warnings for alias usage and transfer them into the new key.
aliases_used = []
for key, alias in deprecated_aliases.items():
if alias in new_kwargs:
new_kwargs[key] = new_kwargs.pop(alias)
aliases_used.append(key)
if aliases_used:
warnings.warn('The keyword(s) "%s" have been deprecated in favor of "%s" respectively. '
'See: https://wiki.gnome.org/PyGObject/InitializerDeprecations' %
(', '.join(deprecated_aliases[k] for k in sorted(aliases_used)),
', '.join(sorted(aliases_used))),
category, stacklevel=stacklevel)
# Print warnings for defaults different than what is already provided by the property
defaults_used = []
for key, value in deprecated_defaults.items():
if key not in new_kwargs:
new_kwargs[key] = deprecated_defaults[key]
defaults_used.append(key)
if defaults_used:
warnings.warn('Initializer is relying on deprecated non-standard '
'defaults. Please update to explicitly use: %s '
'See: https://wiki.gnome.org/PyGObject/InitializerDeprecations' %
', '.join('%s=%s' % (k, deprecated_defaults[k]) for k in sorted(defaults_used)),
category, stacklevel=stacklevel)
# Remove keywords that should be ignored.
for key in ignore:
if key in new_kwargs:
new_kwargs.pop(key)
return super_init_func(self, **new_kwargs)
return new_init | [
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pygobject/pgi | pgi/overrides/__init__.py | strip_boolean_result | def strip_boolean_result(method, exc_type=None, exc_str=None, fail_ret=None):
"""Translate method's return value for stripping off success flag.
There are a lot of methods which return a "success" boolean and have
several out arguments. Translate such a method to return the out arguments
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"""
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return ret[1]
else:
return ret[1:]
else:
if exc_type:
raise exc_type(exc_str or 'call failed')
return fail_ret
return wrapped | python | def strip_boolean_result(method, exc_type=None, exc_str=None, fail_ret=None):
"""Translate method's return value for stripping off success flag.
There are a lot of methods which return a "success" boolean and have
several out arguments. Translate such a method to return the out arguments
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"""
@wraps(method)
def wrapped(*args, **kwargs):
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if ret[0]:
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return ret[1]
else:
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pygobject/pgi | pgi/module.py | get_introspection_module | def get_introspection_module(namespace):
"""Raises ImportError"""
if namespace in _introspection_modules:
return _introspection_modules[namespace]
from . import get_required_version
repository = GIRepository()
version = get_required_version(namespace)
try:
repository.require(namespace, version, 0)
except GIError as e:
raise ImportError(e.message)
# No strictly needed here, but most things will fail during use
library = repository.get_shared_library(namespace)
if library:
library = library.split(",")[0]
try:
util.load_ctypes_library(library)
except OSError:
raise ImportError(
"Couldn't load shared library %r" % library)
# Generate bindings, set up lazy attributes
instance = Module(repository, namespace)
instance.__path__ = repository.get_typelib_path(namespace)
instance.__package__ = const.PREFIX[0]
instance.__file__ = "<%s.%s>" % (const.PREFIX[0], namespace)
instance._version = version or repository.get_version(namespace)
_introspection_modules[namespace] = instance
return instance | python | def get_introspection_module(namespace):
"""Raises ImportError"""
if namespace in _introspection_modules:
return _introspection_modules[namespace]
from . import get_required_version
repository = GIRepository()
version = get_required_version(namespace)
try:
repository.require(namespace, version, 0)
except GIError as e:
raise ImportError(e.message)
# No strictly needed here, but most things will fail during use
library = repository.get_shared_library(namespace)
if library:
library = library.split(",")[0]
try:
util.load_ctypes_library(library)
except OSError:
raise ImportError(
"Couldn't load shared library %r" % library)
# Generate bindings, set up lazy attributes
instance = Module(repository, namespace)
instance.__path__ = repository.get_typelib_path(namespace)
instance.__package__ = const.PREFIX[0]
instance.__file__ = "<%s.%s>" % (const.PREFIX[0], namespace)
instance._version = version or repository.get_version(namespace)
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pygobject/pgi | pgi/codegen/returnvalues.py | ReturnValue.get_param_type | def get_param_type(self, index):
"""Returns a ReturnValue instance for param type 'index'"""
assert index in (0, 1)
type_info = self.type.get_param_type(index)
type_cls = get_return_class(type_info)
instance = type_cls(None, type_info, [], self.backend)
instance.setup()
return instance | python | def get_param_type(self, index):
"""Returns a ReturnValue instance for param type 'index'"""
assert index in (0, 1)
type_info = self.type.get_param_type(index)
type_cls = get_return_class(type_info)
instance = type_cls(None, type_info, [], self.backend)
instance.setup()
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pygobject/pgi | pgi/codegen/utils.py | parse_code | def parse_code(code, var_factory, **kwargs):
"""Parse a piece of text and substitude $var by either unique
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Returns a CodeBlock and the resulting variable mapping.
parse("$foo = $foo + $bar", bar="1")
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indent = -1
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line = line.lstrip()
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indent = spaces
level = 1
else:
level = spaces // indent
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level = 0
# if there is a single variable and the to be inserted object
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if line.startswith("$") and line.count("$") == 1:
name = line[1:]
if name in kwargs and isinstance(kwargs[name], CodeBlock):
kwargs[name].write_into(block, level)
continue
block.write_line(string.Template(line).substitute(defdict), level)
return block, dict(defdict) | python | def parse_code(code, var_factory, **kwargs):
"""Parse a piece of text and substitude $var by either unique
variable names or by the given kwargs mapping. Use $$ to escape $.
Returns a CodeBlock and the resulting variable mapping.
parse("$foo = $foo + $bar", bar="1")
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"""
block = CodeBlock()
defdict = collections.defaultdict(var_factory)
defdict.update(kwargs)
indent = -1
code = code.strip()
for line in code.splitlines():
length = len(line)
line = line.lstrip()
spaces = length - len(line)
if spaces:
if indent < 0:
indent = spaces
level = 1
else:
level = spaces // indent
else:
level = 0
# if there is a single variable and the to be inserted object
# is a code block, insert the block with the current indentation level
if line.startswith("$") and line.count("$") == 1:
name = line[1:]
if name in kwargs and isinstance(kwargs[name], CodeBlock):
kwargs[name].write_into(block, level)
continue
block.write_line(string.Template(line).substitute(defdict), level)
return block, dict(defdict) | [
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pygobject/pgi | pgi/codegen/utils.py | parse_with_objects | def parse_with_objects(code, var, **kwargs):
"""Parse code and include non string/codeblock kwargs as
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int/long will be inlined.
Returns a CodeBlock and the resulting variable mapping.
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kwargs[key] = new_var
block, var = parse_code(code, var, **kwargs)
for key, dep in _compat.iteritems(deps):
block.add_dependency(key, dep)
return block, var | python | def parse_with_objects(code, var, **kwargs):
"""Parse code and include non string/codeblock kwargs as
dependencies.
int/long will be inlined.
Returns a CodeBlock and the resulting variable mapping.
"""
deps = {}
for key, value in kwargs.items():
if isinstance(value, _compat.integer_types):
value = str(value)
if _compat.PY3:
if value is None:
value = str(value)
if not isinstance(value, _compat.string_types) and \
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deps[new_var] = value
kwargs[key] = new_var
block, var = parse_code(code, var, **kwargs)
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block.add_dependency(key, dep)
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pygobject/pgi | pgi/codegen/utils.py | VariableFactory.request_name | def request_name(self, name):
"""Request a name, might return the name or a similar one if already
used or reserved
"""
while name in self._blacklist:
name += "_"
self._blacklist.add(name)
return name | python | def request_name(self, name):
"""Request a name, might return the name or a similar one if already
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while name in self._blacklist:
name += "_"
self._blacklist.add(name)
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pygobject/pgi | pgi/codegen/utils.py | CodeBlock.add_dependency | def add_dependency(self, name, obj):
"""Add a code dependency so it gets inserted into globals"""
if name in self._deps:
if self._deps[name] is obj:
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raise ValueError(
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self._deps[name] = obj | python | def add_dependency(self, name, obj):
"""Add a code dependency so it gets inserted into globals"""
if name in self._deps:
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return
raise ValueError(
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pygobject/pgi | pgi/codegen/utils.py | CodeBlock.write_into | def write_into(self, block, level=0):
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pygobject/pgi | pgi/codegen/utils.py | CodeBlock.write_lines | def write_lines(self, lines, level=0):
"""Append multiple new lines"""
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self.write_line(line, level) | python | def write_lines(self, lines, level=0):
"""Append multiple new lines"""
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pygobject/pgi | pgi/codegen/utils.py | CodeBlock.compile | def compile(self, **kwargs):
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pygobject/pgi | pgi/codegen/utils.py | CodeBlock.pprint | def pprint(self, file_=sys.stdout):
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"""
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file_.write(code + "\n") | python | def pprint(self, file_=sys.stdout):
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pygobject/pgi | pgi/foreign/_base.py | ForeignStruct.register | def register(cls, namespace, name):
"""Class decorator"""
def func(kind):
cls._FOREIGN[(namespace, name)] = kind()
return kind
return func | python | def register(cls, namespace, name):
"""Class decorator"""
def func(kind):
cls._FOREIGN[(namespace, name)] = kind()
return kind
return func | [
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pygobject/pgi | pgi/codegen/funcgen.py | may_be_null_is_nullable | def may_be_null_is_nullable():
"""If may_be_null returns nullable or if NULL can be passed in.
This can still be wrong if the specific typelib is older than the linked
libgirepository.
https://bugzilla.gnome.org/show_bug.cgi?id=660879#c47
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repo = GIRepository()
repo.require("GLib", "2.0", 0)
info = repo.find_by_name("GLib", "spawn_sync")
# this argument is (allow-none) and can never be (nullable)
return not info.get_arg(8).may_be_null | python | def may_be_null_is_nullable():
"""If may_be_null returns nullable or if NULL can be passed in.
This can still be wrong if the specific typelib is older than the linked
libgirepository.
https://bugzilla.gnome.org/show_bug.cgi?id=660879#c47
"""
repo = GIRepository()
repo.require("GLib", "2.0", 0)
info = repo.find_by_name("GLib", "spawn_sync")
# this argument is (allow-none) and can never be (nullable)
return not info.get_arg(8).may_be_null | [
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pygobject/pgi | pgi/codegen/funcgen.py | get_type_name | def get_type_name(type_):
"""Gives a name for a type that is suitable for a docstring.
int -> "int"
Gtk.Window -> "Gtk.Window"
[int] -> "[int]"
{int: Gtk.Button} -> "{int: Gtk.Button}"
"""
if type_ is None:
return ""
if isinstance(type_, string_types):
return type_
elif isinstance(type_, list):
assert len(type_) == 1
return "[%s]" % get_type_name(type_[0])
elif isinstance(type_, dict):
assert len(type_) == 1
key, value = list(type_.items())[0]
return "{%s: %s}" % (get_type_name(key), get_type_name(value))
elif type_.__module__ in ("__builtin__", "builtins"):
return type_.__name__
else:
return "%s.%s" % (type_.__module__, type_.__name__) | python | def get_type_name(type_):
"""Gives a name for a type that is suitable for a docstring.
int -> "int"
Gtk.Window -> "Gtk.Window"
[int] -> "[int]"
{int: Gtk.Button} -> "{int: Gtk.Button}"
"""
if type_ is None:
return ""
if isinstance(type_, string_types):
return type_
elif isinstance(type_, list):
assert len(type_) == 1
return "[%s]" % get_type_name(type_[0])
elif isinstance(type_, dict):
assert len(type_) == 1
key, value = list(type_.items())[0]
return "{%s: %s}" % (get_type_name(key), get_type_name(value))
elif type_.__module__ in ("__builtin__", "builtins"):
return type_.__name__
else:
return "%s.%s" % (type_.__module__, type_.__name__) | [
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pygobject/pgi | pgi/codegen/funcgen.py | build_docstring | def build_docstring(func_name, args, ret, throws, signal_owner_type=None):
"""Create a docstring in the form:
name(in_name: type) -> (ret_type, out_name: type)
"""
out_args = []
if ret and not ret.ignore:
if ret.py_type is None:
out_args.append("unknown")
else:
tname = get_type_name(ret.py_type)
if ret.may_return_null:
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out_args.append(tname)
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name = get_signal_owner_var_name(signal_owner_type)
in_args.append("%s: %s" % (
name, get_type_name(signal_owner_type.pytype)))
for arg in args:
if arg.is_aux:
continue
if arg.is_direction_in():
if arg.py_type is None:
in_args.append(arg.in_var)
else:
tname = get_type_name(arg.py_type)
if arg.may_be_null:
tname += " or None"
in_args.append("%s: %s" % (arg.in_var, tname))
if arg.is_direction_out():
if arg.py_type is None:
out_args.append(arg.name)
else:
tname = get_type_name(arg.py_type)
# if may_be_null means the arg is nullable, it is nullable
# and the marshalling returns None for a NULL pointer
if may_be_null_is_nullable() and arg.may_be_null and \
arg.can_unpack_none:
tname += " or None"
# When can we assume that out args return None?
out_args.append("%s: %s" % (arg.name, tname))
in_def = ", ".join(in_args)
if not out_args:
out_def = "None"
elif len(out_args) == 1:
out_def = out_args[0]
else:
out_def = "(%s)" % ", ".join(out_args)
error = ""
if throws:
error = "raises "
return "%s(%s) %s-> %s" % (func_name, in_def, error, out_def) | python | def build_docstring(func_name, args, ret, throws, signal_owner_type=None):
"""Create a docstring in the form:
name(in_name: type) -> (ret_type, out_name: type)
"""
out_args = []
if ret and not ret.ignore:
if ret.py_type is None:
out_args.append("unknown")
else:
tname = get_type_name(ret.py_type)
if ret.may_return_null:
tname += " or None"
out_args.append(tname)
in_args = []
if signal_owner_type is not None:
name = get_signal_owner_var_name(signal_owner_type)
in_args.append("%s: %s" % (
name, get_type_name(signal_owner_type.pytype)))
for arg in args:
if arg.is_aux:
continue
if arg.is_direction_in():
if arg.py_type is None:
in_args.append(arg.in_var)
else:
tname = get_type_name(arg.py_type)
if arg.may_be_null:
tname += " or None"
in_args.append("%s: %s" % (arg.in_var, tname))
if arg.is_direction_out():
if arg.py_type is None:
out_args.append(arg.name)
else:
tname = get_type_name(arg.py_type)
# if may_be_null means the arg is nullable, it is nullable
# and the marshalling returns None for a NULL pointer
if may_be_null_is_nullable() and arg.may_be_null and \
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tname += " or None"
# When can we assume that out args return None?
out_args.append("%s: %s" % (arg.name, tname))
in_def = ", ".join(in_args)
if not out_args:
out_def = "None"
elif len(out_args) == 1:
out_def = out_args[0]
else:
out_def = "(%s)" % ", ".join(out_args)
error = ""
if throws:
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pygobject/pgi | pgi/codegen/funcgen.py | generate_function | def generate_function(info, method=False):
"""Creates a Python callable for a GIFunctionInfo instance"""
assert isinstance(info, GIFunctionInfo)
arg_infos = list(info.get_args())
arg_types = [a.get_type() for a in arg_infos]
return_type = info.get_return_type()
func = None
messages = []
for backend in list_backends():
instance = backend()
try:
func = _generate_function(instance, info, arg_infos, arg_types,
return_type, method)
except NotImplementedError:
messages.append("%s: %s" % (backend.NAME, traceback.format_exc()))
else:
break
if func:
return func
raise NotImplementedError("\n".join(messages)) | python | def generate_function(info, method=False):
"""Creates a Python callable for a GIFunctionInfo instance"""
assert isinstance(info, GIFunctionInfo)
arg_infos = list(info.get_args())
arg_types = [a.get_type() for a in arg_infos]
return_type = info.get_return_type()
func = None
messages = []
for backend in list_backends():
instance = backend()
try:
func = _generate_function(instance, info, arg_infos, arg_types,
return_type, method)
except NotImplementedError:
messages.append("%s: %s" % (backend.NAME, traceback.format_exc()))
else:
break
if func:
return func
raise NotImplementedError("\n".join(messages)) | [
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pygobject/pgi | pgi/codegen/funcgen.py | generate_dummy_callable | def generate_dummy_callable(info, func_name, method=False,
signal_owner_type=None):
"""Takes a GICallableInfo and generates a dummy callback function which
just raises but has a correct docstring. They are mainly accessible for
documentation, so the API reference can reference a real thing.
func_name can be different than info.name because vfuncs, for example,
get prefixed with 'do_' when exposed in Python.
"""
assert isinstance(info, GICallableInfo)
# FIXME: handle out args and trailing user_data ?
arg_infos = list(info.get_args())
arg_types = [a.get_type() for a in arg_infos]
return_type = info.get_return_type()
# the null backend is good enough here
backend = get_backend("null")()
args = []
for arg_info, arg_type in zip(arg_infos, arg_types):
cls = get_argument_class(arg_type)
name = escape_identifier(arg_info.name)
name = escape_parameter(name)
args.append(cls(name, args, backend, arg_info, arg_type))
cls = get_return_class(return_type)
return_value = cls(info, return_type, args, backend)
for arg in args:
arg.setup()
return_value.setup()
in_args = [a for a in args if not a.is_aux and a.in_var]
# if the last in argument is a closure, make it a var-positional argument
if in_args and in_args[-1].closure != -1:
name = in_args[-1].in_var
in_args[-1].in_var = "*" + name
func_name = escape_identifier(func_name)
docstring = build_docstring(func_name, args, return_value,
False, signal_owner_type)
in_names = [a.in_var for a in in_args]
var_fac = backend.var
var_fac.add_blacklist(in_names)
self_name = ""
if method:
self_name = var_fac.request_name("self")
in_names.insert(0, self_name)
main, var = backend.parse("""
def $func_name($func_args):
'''$docstring'''
raise NotImplementedError("This is just a dummy callback function")
""", func_args=", ".join(in_names), docstring=docstring, func_name=func_name)
func = main.compile()[func_name]
func._code = main
func.__doc__ = docstring
func.__module__ = info.namespace
return func | python | def generate_dummy_callable(info, func_name, method=False,
signal_owner_type=None):
"""Takes a GICallableInfo and generates a dummy callback function which
just raises but has a correct docstring. They are mainly accessible for
documentation, so the API reference can reference a real thing.
func_name can be different than info.name because vfuncs, for example,
get prefixed with 'do_' when exposed in Python.
"""
assert isinstance(info, GICallableInfo)
# FIXME: handle out args and trailing user_data ?
arg_infos = list(info.get_args())
arg_types = [a.get_type() for a in arg_infos]
return_type = info.get_return_type()
# the null backend is good enough here
backend = get_backend("null")()
args = []
for arg_info, arg_type in zip(arg_infos, arg_types):
cls = get_argument_class(arg_type)
name = escape_identifier(arg_info.name)
name = escape_parameter(name)
args.append(cls(name, args, backend, arg_info, arg_type))
cls = get_return_class(return_type)
return_value = cls(info, return_type, args, backend)
for arg in args:
arg.setup()
return_value.setup()
in_args = [a for a in args if not a.is_aux and a.in_var]
# if the last in argument is a closure, make it a var-positional argument
if in_args and in_args[-1].closure != -1:
name = in_args[-1].in_var
in_args[-1].in_var = "*" + name
func_name = escape_identifier(func_name)
docstring = build_docstring(func_name, args, return_value,
False, signal_owner_type)
in_names = [a.in_var for a in in_args]
var_fac = backend.var
var_fac.add_blacklist(in_names)
self_name = ""
if method:
self_name = var_fac.request_name("self")
in_names.insert(0, self_name)
main, var = backend.parse("""
def $func_name($func_args):
'''$docstring'''
raise NotImplementedError("This is just a dummy callback function")
""", func_args=", ".join(in_names), docstring=docstring, func_name=func_name)
func = main.compile()[func_name]
func._code = main
func.__doc__ = docstring
func.__module__ = info.namespace
return func | [
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pygobject/pgi | pgi/cffilib/_utils.py | _create_enum_class | def _create_enum_class(ffi, type_name, prefix, flags=False):
"""Returns a new shiny class for the given enum type"""
class _template(int):
_map = {}
@property
def value(self):
return int(self)
def __str__(self):
return self._map.get(self, "Unknown")
def __repr__(self):
return "%s.%s" % (type(self).__name__, str(self))
class _template_flags(int):
_map = {}
@property
def value(self):
return int(self)
def __str__(self):
names = []
val = int(self)
for flag, name in self._map.items():
if val & flag:
names.append(name)
val &= ~flag
if val:
names.append(str(val))
return " | ".join(sorted(names or ["Unknown"]))
def __repr__(self):
return "%s(%s)" % (type(self).__name__, str(self))
if flags:
template = _template_flags
else:
template = _template
cls = type(type_name, template.__bases__, dict(template.__dict__))
prefix_len = len(prefix)
for value, name in ffi.typeof(type_name).elements.items():
assert name[:prefix_len] == prefix
name = name[prefix_len:]
setattr(cls, name, cls(value))
cls._map[value] = name
return cls | python | def _create_enum_class(ffi, type_name, prefix, flags=False):
"""Returns a new shiny class for the given enum type"""
class _template(int):
_map = {}
@property
def value(self):
return int(self)
def __str__(self):
return self._map.get(self, "Unknown")
def __repr__(self):
return "%s.%s" % (type(self).__name__, str(self))
class _template_flags(int):
_map = {}
@property
def value(self):
return int(self)
def __str__(self):
names = []
val = int(self)
for flag, name in self._map.items():
if val & flag:
names.append(name)
val &= ~flag
if val:
names.append(str(val))
return " | ".join(sorted(names or ["Unknown"]))
def __repr__(self):
return "%s(%s)" % (type(self).__name__, str(self))
if flags:
template = _template_flags
else:
template = _template
cls = type(type_name, template.__bases__, dict(template.__dict__))
prefix_len = len(prefix)
for value, name in ffi.typeof(type_name).elements.items():
assert name[:prefix_len] == prefix
name = name[prefix_len:]
setattr(cls, name, cls(value))
cls._map[value] = name
return cls | [
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pygobject/pgi | pgi/cffilib/_utils.py | _fixup_cdef_enums | def _fixup_cdef_enums(string, reg=re.compile(r"=\s*(\d+)\s*<<\s*(\d+)")):
"""Converts some common enum expressions to constants"""
def repl_shift(match):
shift_by = int(match.group(2))
value = int(match.group(1))
int_value = ctypes.c_int(value << shift_by).value
return "= %s" % str(int_value)
return reg.sub(repl_shift, string) | python | def _fixup_cdef_enums(string, reg=re.compile(r"=\s*(\d+)\s*<<\s*(\d+)")):
"""Converts some common enum expressions to constants"""
def repl_shift(match):
shift_by = int(match.group(2))
value = int(match.group(1))
int_value = ctypes.c_int(value << shift_by).value
return "= %s" % str(int_value)
return reg.sub(repl_shift, string) | [
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pygobject/pgi | pgi/clib/glib.py | unpack_glist | def unpack_glist(g, type_, transfer_full=True):
"""Takes a glist, copies the values casted to type_ in to a list
and frees all items and the list.
"""
values = []
item = g
while item:
ptr = item.contents.data
value = cast(ptr, type_).value
values.append(value)
if transfer_full:
free(ptr)
item = item.next()
if transfer_full:
g.free()
return values | python | def unpack_glist(g, type_, transfer_full=True):
"""Takes a glist, copies the values casted to type_ in to a list
and frees all items and the list.
"""
values = []
item = g
while item:
ptr = item.contents.data
value = cast(ptr, type_).value
values.append(value)
if transfer_full:
free(ptr)
item = item.next()
if transfer_full:
g.free()
return values | [
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pygobject/pgi | pgi/clib/glib.py | unpack_nullterm_array | def unpack_nullterm_array(array):
"""Takes a null terminated array, copies the values into a list
and frees each value and the list.
"""
addrs = cast(array, POINTER(ctypes.c_void_p))
l = []
i = 0
value = array[i]
while value:
l.append(value)
free(addrs[i])
i += 1
value = array[i]
free(addrs)
return l | python | def unpack_nullterm_array(array):
"""Takes a null terminated array, copies the values into a list
and frees each value and the list.
"""
addrs = cast(array, POINTER(ctypes.c_void_p))
l = []
i = 0
value = array[i]
while value:
l.append(value)
free(addrs[i])
i += 1
value = array[i]
free(addrs)
return l | [
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pygobject/pgi | pgi/importer.py | require_version | def require_version(namespace, version):
"""Set a version for the namespace to be loaded.
This needs to be called before importing the namespace or any
namespace that depends on it.
"""
global _versions
repo = GIRepository()
namespaces = repo.get_loaded_namespaces()
if namespace in namespaces:
loaded_version = repo.get_version(namespace)
if loaded_version != version:
raise ValueError('Namespace %s is already loaded with version %s' %
(namespace, loaded_version))
if namespace in _versions and _versions[namespace] != version:
raise ValueError('Namespace %s already requires version %s' %
(namespace, _versions[namespace]))
available_versions = repo.enumerate_versions(namespace)
if not available_versions:
raise ValueError('Namespace %s not available' % namespace)
if version not in available_versions:
raise ValueError('Namespace %s not available for version %s' %
(namespace, version))
_versions[namespace] = version | python | def require_version(namespace, version):
"""Set a version for the namespace to be loaded.
This needs to be called before importing the namespace or any
namespace that depends on it.
"""
global _versions
repo = GIRepository()
namespaces = repo.get_loaded_namespaces()
if namespace in namespaces:
loaded_version = repo.get_version(namespace)
if loaded_version != version:
raise ValueError('Namespace %s is already loaded with version %s' %
(namespace, loaded_version))
if namespace in _versions and _versions[namespace] != version:
raise ValueError('Namespace %s already requires version %s' %
(namespace, _versions[namespace]))
available_versions = repo.enumerate_versions(namespace)
if not available_versions:
raise ValueError('Namespace %s not available' % namespace)
if version not in available_versions:
raise ValueError('Namespace %s not available for version %s' %
(namespace, version))
_versions[namespace] = version | [
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pygobject/pgi | pgi/importer.py | _check_require_version | def _check_require_version(namespace, stacklevel):
"""A context manager which tries to give helpful warnings
about missing gi.require_version() which could potentially
break code if only an older version than expected is installed
or a new version gets introduced.
::
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"""
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yield
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return
if namespace in ("GLib", "GObject", "Gio"):
# part of glib (we have bigger problems if versions change there)
return
if get_required_version(namespace) is not None:
# the version was forced using require_version()
return
version = repository.get_version(namespace)
warnings.warn(
"%(namespace)s was imported without specifying a version first. "
"Use gi.require_version('%(namespace)s', '%(version)s') before "
"import to ensure that the right version gets loaded."
% {"namespace": namespace, "version": version},
PyGIWarning, stacklevel=stacklevel) | python | def _check_require_version(namespace, stacklevel):
"""A context manager which tries to give helpful warnings
about missing gi.require_version() which could potentially
break code if only an older version than expected is installed
or a new version gets introduced.
::
with _check_require_version("Gtk", stacklevel):
load_namespace_and_overrides()
"""
repository = GIRepository()
was_loaded = repository.is_registered(namespace)
yield
if was_loaded:
# it was loaded before by another import which depended on this
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return
if namespace in ("GLib", "GObject", "Gio"):
# part of glib (we have bigger problems if versions change there)
return
if get_required_version(namespace) is not None:
# the version was forced using require_version()
return
version = repository.get_version(namespace)
warnings.warn(
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"import to ensure that the right version gets loaded."
% {"namespace": namespace, "version": version},
PyGIWarning, stacklevel=stacklevel) | [
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pygobject/pgi | pgi/importer.py | get_import_stacklevel | def get_import_stacklevel(import_hook):
"""Returns the stacklevel value for warnings.warn() for when the warning
gets emitted by an imported module, but the warning should point at the
code doing the import.
Pass import_hook=True if the warning gets generated by an import hook
(warn() gets called in load_module(), see PEP302)
"""
py_version = sys.version_info[:2]
if py_version <= (3, 2):
# 2.7 included
return 4 if import_hook else 2
elif py_version == (3, 3):
return 8 if import_hook else 10
elif py_version == (3, 4):
return 10 if import_hook else 8
else:
# fixed again in 3.5+, see https://bugs.python.org/issue24305
return 4 if import_hook else 2 | python | def get_import_stacklevel(import_hook):
"""Returns the stacklevel value for warnings.warn() for when the warning
gets emitted by an imported module, but the warning should point at the
code doing the import.
Pass import_hook=True if the warning gets generated by an import hook
(warn() gets called in load_module(), see PEP302)
"""
py_version = sys.version_info[:2]
if py_version <= (3, 2):
# 2.7 included
return 4 if import_hook else 2
elif py_version == (3, 3):
return 8 if import_hook else 10
elif py_version == (3, 4):
return 10 if import_hook else 8
else:
# fixed again in 3.5+, see https://bugs.python.org/issue24305
return 4 if import_hook else 2 | [
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pygobject/pgi | pgi/cffilib/glib/glib.py | unpack_glist | def unpack_glist(glist_ptr, cffi_type, transfer_full=True):
"""Takes a glist ptr, copies the values casted to type_ in to a list
and frees all items and the list.
If an item is returned all yielded before are invalid.
"""
current = glist_ptr
while current:
yield ffi.cast(cffi_type, current.data)
if transfer_full:
free(current.data)
current = current.next
if transfer_full:
lib.g_list_free(glist_ptr) | python | def unpack_glist(glist_ptr, cffi_type, transfer_full=True):
"""Takes a glist ptr, copies the values casted to type_ in to a list
and frees all items and the list.
If an item is returned all yielded before are invalid.
"""
current = glist_ptr
while current:
yield ffi.cast(cffi_type, current.data)
if transfer_full:
free(current.data)
current = current.next
if transfer_full:
lib.g_list_free(glist_ptr) | [
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pygobject/pgi | pgi/cffilib/glib/glib.py | unpack_zeroterm_array | def unpack_zeroterm_array(ptr):
"""Converts a zero terminated array to a list and frees each element
and the list itself.
If an item is returned all yielded before are invalid.
"""
assert ptr
index = 0
current = ptr[index]
while current:
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index += 1
current = ptr[index]
free(ffi.cast("gpointer", ptr)) | python | def unpack_zeroterm_array(ptr):
"""Converts a zero terminated array to a list and frees each element
and the list itself.
If an item is returned all yielded before are invalid.
"""
assert ptr
index = 0
current = ptr[index]
while current:
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index += 1
current = ptr[index]
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pygobject/pgi | pgi/structure.py | StructureAttribute | def StructureAttribute(struct_info):
"""Creates a new struct class."""
# Copy the template and add the gtype
cls_dict = dict(_Structure.__dict__)
cls = type(struct_info.name, _Structure.__bases__, cls_dict)
cls.__module__ = struct_info.namespace
cls.__gtype__ = PGType(struct_info.g_type)
cls._size = struct_info.size
cls._is_gtype_struct = struct_info.is_gtype_struct
# Add methods
for method_info in struct_info.get_methods():
add_method(method_info, cls)
# Add fields
for field_info in struct_info.get_fields():
field_name = escape_identifier(field_info.name)
attr = FieldAttribute(field_name, field_info)
setattr(cls, field_name, attr)
return cls | python | def StructureAttribute(struct_info):
"""Creates a new struct class."""
# Copy the template and add the gtype
cls_dict = dict(_Structure.__dict__)
cls = type(struct_info.name, _Structure.__bases__, cls_dict)
cls.__module__ = struct_info.namespace
cls.__gtype__ = PGType(struct_info.g_type)
cls._size = struct_info.size
cls._is_gtype_struct = struct_info.is_gtype_struct
# Add methods
for method_info in struct_info.get_methods():
add_method(method_info, cls)
# Add fields
for field_info in struct_info.get_fields():
field_name = escape_identifier(field_info.name)
attr = FieldAttribute(field_name, field_info)
setattr(cls, field_name, attr)
return cls | [
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pygobject/pgi | pgi/gerror.py | PGError._from_gerror | def _from_gerror(cls, error, own=True):
"""Creates a GError exception and takes ownership if own is True"""
if not own:
error = error.copy()
self = cls()
self._error = error
return self | python | def _from_gerror(cls, error, own=True):
"""Creates a GError exception and takes ownership if own is True"""
if not own:
error = error.copy()
self = cls()
self._error = error
return self | [
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pygobject/pgi | pgi/__init__.py | check_version | def check_version(version):
"""Takes a version string or tuple and raises ValueError in case
the passed version is newer than the current version of pgi.
Keep in mind that the pgi version is different from the pygobject one.
"""
if isinstance(version, string_types):
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"""Takes a version string or tuple and raises ValueError in case
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"""
if isinstance(version, string_types):
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pygobject/pgi | pgi/__init__.py | install_as_gi | def install_as_gi():
"""Call before the first gi import to redirect gi imports to pgi"""
import sys
# check if gi has already been replaces
if "gi.repository" in const.PREFIX:
return
# make sure gi isn't loaded first
for mod in iterkeys(sys.modules):
if mod == "gi" or mod.startswith("gi."):
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import pgi
import pgi.repository
sys.modules["gi"] = pgi
sys.modules["gi.repository"] = pgi.repository
const.PREFIX.append("gi.repository") | python | def install_as_gi():
"""Call before the first gi import to redirect gi imports to pgi"""
import sys
# check if gi has already been replaces
if "gi.repository" in const.PREFIX:
return
# make sure gi isn't loaded first
for mod in iterkeys(sys.modules):
if mod == "gi" or mod.startswith("gi."):
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sys.modules["gi.repository"] = pgi.repository
const.PREFIX.append("gi.repository") | [
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rfosterslo/wagtailplus | wagtailplus/utils/edit_handlers.py | add_panel_to_edit_handler | def add_panel_to_edit_handler(model, panel_cls, heading, index=None):
"""
Adds specified panel class to model class.
:param model: the model class.
:param panel_cls: the panel class.
:param heading: the panel heading.
:param index: the index position to insert at.
"""
from wagtail.wagtailadmin.views.pages import get_page_edit_handler
edit_handler = get_page_edit_handler(model)
panel_instance = ObjectList(
[panel_cls(),],
heading = heading
).bind_to_model(model)
if index:
edit_handler.children.insert(index, panel_instance)
else:
edit_handler.children.append(panel_instance) | python | def add_panel_to_edit_handler(model, panel_cls, heading, index=None):
"""
Adds specified panel class to model class.
:param model: the model class.
:param panel_cls: the panel class.
:param heading: the panel heading.
:param index: the index position to insert at.
"""
from wagtail.wagtailadmin.views.pages import get_page_edit_handler
edit_handler = get_page_edit_handler(model)
panel_instance = ObjectList(
[panel_cls(),],
heading = heading
).bind_to_model(model)
if index:
edit_handler.children.insert(index, panel_instance)
else:
edit_handler.children.append(panel_instance) | [
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rfosterslo/wagtailplus | wagtailplus/utils/views/crud.py | IndexView.get_context_data | def get_context_data(self, **kwargs):
"""
Returns context dictionary for view.
:rtype: dict.
"""
#noinspection PyUnresolvedReferences
query_str = self.request.GET.get('q', None)
queryset = kwargs.pop('object_list', self.object_list)
context_object_name = self.get_context_object_name(queryset)
# Build the context dictionary.
context = {
'ordering': self.get_ordering(),
'query_string': query_str,
'is_searching': bool(query_str),
}
# Add extra variables to context for non-AJAX requests.
#noinspection PyUnresolvedReferences
if not self.request.is_ajax() or kwargs.get('force_search', False):
context.update({
'search_form': self.get_search_form(),
'popular_tags': self.model.popular_tags()
})
if context_object_name is not None:
context[context_object_name] = queryset
# Update context with any additional keyword arguments.
context.update(kwargs)
return super(IndexView, self).get_context_data(**context) | python | def get_context_data(self, **kwargs):
"""
Returns context dictionary for view.
:rtype: dict.
"""
#noinspection PyUnresolvedReferences
query_str = self.request.GET.get('q', None)
queryset = kwargs.pop('object_list', self.object_list)
context_object_name = self.get_context_object_name(queryset)
# Build the context dictionary.
context = {
'ordering': self.get_ordering(),
'query_string': query_str,
'is_searching': bool(query_str),
}
# Add extra variables to context for non-AJAX requests.
#noinspection PyUnresolvedReferences
if not self.request.is_ajax() or kwargs.get('force_search', False):
context.update({
'search_form': self.get_search_form(),
'popular_tags': self.model.popular_tags()
})
if context_object_name is not None:
context[context_object_name] = queryset
# Update context with any additional keyword arguments.
context.update(kwargs)
return super(IndexView, self).get_context_data(**context) | [
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rfosterslo/wagtailplus | wagtailplus/utils/views/crud.py | IndexView.get_ordering | def get_ordering(self):
"""
Returns ordering value for list.
:rtype: str.
"""
#noinspection PyUnresolvedReferences
ordering = self.request.GET.get('ordering', None)
if ordering not in ['title', '-created_at']:
ordering = '-created_at'
return ordering | python | def get_ordering(self):
"""
Returns ordering value for list.
:rtype: str.
"""
#noinspection PyUnresolvedReferences
ordering = self.request.GET.get('ordering', None)
if ordering not in ['title', '-created_at']:
ordering = '-created_at'
return ordering | [
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rfosterslo/wagtailplus | wagtailplus/utils/views/crud.py | IndexView.get_queryset | def get_queryset(self):
"""
Returns queryset instance.
:rtype: django.db.models.query.QuerySet.
"""
queryset = super(IndexView, self).get_queryset()
search_form = self.get_search_form()
if search_form.is_valid():
query_str = search_form.cleaned_data.get('q', '').strip()
queryset = self.model.objects.search(query_str)
return queryset | python | def get_queryset(self):
"""
Returns queryset instance.
:rtype: django.db.models.query.QuerySet.
"""
queryset = super(IndexView, self).get_queryset()
search_form = self.get_search_form()
if search_form.is_valid():
query_str = search_form.cleaned_data.get('q', '').strip()
queryset = self.model.objects.search(query_str)
return queryset | [
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rfosterslo/wagtailplus | wagtailplus/utils/views/crud.py | IndexView.get_search_form | def get_search_form(self):
"""
Returns search form instance.
:rtype: django.forms.ModelForm.
"""
#noinspection PyUnresolvedReferences
if 'q' in self.request.GET:
#noinspection PyUnresolvedReferences
return self.search_form_class(self.request.GET)
else:
return self.search_form_class(placeholder=_(u'Search')) | python | def get_search_form(self):
"""
Returns search form instance.
:rtype: django.forms.ModelForm.
"""
#noinspection PyUnresolvedReferences
if 'q' in self.request.GET:
#noinspection PyUnresolvedReferences
return self.search_form_class(self.request.GET)
else:
return self.search_form_class(placeholder=_(u'Search')) | [
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rfosterslo/wagtailplus | wagtailplus/utils/views/crud.py | IndexView.get_template_names | def get_template_names(self):
"""
Returns a list of template names for the view.
:rtype: list.
"""
#noinspection PyUnresolvedReferences
if self.request.is_ajax():
template_name = '/results.html'
else:
template_name = '/index.html'
return ['{0}{1}'.format(self.template_dir, template_name)] | python | def get_template_names(self):
"""
Returns a list of template names for the view.
:rtype: list.
"""
#noinspection PyUnresolvedReferences
if self.request.is_ajax():
template_name = '/results.html'
else:
template_name = '/index.html'
return ['{0}{1}'.format(self.template_dir, template_name)] | [
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rfosterslo/wagtailplus | wagtailplus/utils/views/crud.py | IndexView.paginate_queryset | def paginate_queryset(self, queryset, page_size):
"""
Returns tuple containing paginator instance, page instance,
object list, and whether there are other pages.
:param queryset: the queryset instance to paginate.
:param page_size: the number of instances per page.
:rtype: tuple.
"""
paginator = self.get_paginator(
queryset,
page_size,
orphans = self.get_paginate_orphans(),
allow_empty_first_page = self.get_allow_empty()
)
page_kwarg = self.page_kwarg
#noinspection PyUnresolvedReferences
page_num = self.kwargs.get(page_kwarg) or self.request.GET.get(page_kwarg) or 1
# Default to a valid page.
try:
page = paginator.page(page_num)
except PageNotAnInteger:
page = paginator.page(1)
except EmptyPage:
page = paginator.page(paginator.num_pages)
#noinspection PyRedundantParentheses
return (paginator, page, page.object_list, page.has_other_pages()) | python | def paginate_queryset(self, queryset, page_size):
"""
Returns tuple containing paginator instance, page instance,
object list, and whether there are other pages.
:param queryset: the queryset instance to paginate.
:param page_size: the number of instances per page.
:rtype: tuple.
"""
paginator = self.get_paginator(
queryset,
page_size,
orphans = self.get_paginate_orphans(),
allow_empty_first_page = self.get_allow_empty()
)
page_kwarg = self.page_kwarg
#noinspection PyUnresolvedReferences
page_num = self.kwargs.get(page_kwarg) or self.request.GET.get(page_kwarg) or 1
# Default to a valid page.
try:
page = paginator.page(page_num)
except PageNotAnInteger:
page = paginator.page(1)
except EmptyPage:
page = paginator.page(paginator.num_pages)
#noinspection PyRedundantParentheses
return (paginator, page, page.object_list, page.has_other_pages()) | [
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rfosterslo/wagtailplus | wagtailplus/utils/views/crud.py | BaseEditView.form_invalid | def form_invalid(self, form):
"""
Processes an invalid form submittal.
:param form: the form instance.
:rtype: django.http.HttpResponse.
"""
meta = getattr(self.model, '_meta')
#noinspection PyUnresolvedReferences
messages.error(
self.request,
_(u'The {0} could not be saved due to errors.').format(
meta.verbose_name.lower()
)
)
return super(BaseEditView, self).form_invalid(form) | python | def form_invalid(self, form):
"""
Processes an invalid form submittal.
:param form: the form instance.
:rtype: django.http.HttpResponse.
"""
meta = getattr(self.model, '_meta')
#noinspection PyUnresolvedReferences
messages.error(
self.request,
_(u'The {0} could not be saved due to errors.').format(
meta.verbose_name.lower()
)
)
return super(BaseEditView, self).form_invalid(form) | [
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rfosterslo/wagtailplus | wagtailplus/utils/views/crud.py | BaseEditView.form_valid | def form_valid(self, form):
"""
Processes a valid form submittal.
:param form: the form instance.
:rtype: django.http.HttpResponse.
"""
#noinspection PyAttributeOutsideInit
self.object = form.save()
meta = getattr(self.object, '_meta')
# Index the object.
for backend in get_search_backends():
backend.add(object)
#noinspection PyUnresolvedReferences
messages.success(
self.request,
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meta.verbose_name,
str(self.object)
),
buttons=[messages.button(
reverse(
'{0}:edit'.format(self.url_namespace),
args=(self.object.id,)
),
_(u'Edit')
)]
)
return redirect(self.get_success_url()) | python | def form_valid(self, form):
"""
Processes a valid form submittal.
:param form: the form instance.
:rtype: django.http.HttpResponse.
"""
#noinspection PyAttributeOutsideInit
self.object = form.save()
meta = getattr(self.object, '_meta')
# Index the object.
for backend in get_search_backends():
backend.add(object)
#noinspection PyUnresolvedReferences
messages.success(
self.request,
_(u'{0} "{1}" saved.').format(
meta.verbose_name,
str(self.object)
),
buttons=[messages.button(
reverse(
'{0}:edit'.format(self.url_namespace),
args=(self.object.id,)
),
_(u'Edit')
)]
)
return redirect(self.get_success_url()) | [
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rfosterslo/wagtailplus | wagtailplus/utils/views/crud.py | BaseEditView.get_success_url | def get_success_url(self):
"""
Returns redirect URL for valid form submittal.
:rtype: str.
"""
if self.success_url:
url = force_text(self.success_url)
else:
url = reverse('{0}:index'.format(self.url_namespace))
return url | python | def get_success_url(self):
"""
Returns redirect URL for valid form submittal.
:rtype: str.
"""
if self.success_url:
url = force_text(self.success_url)
else:
url = reverse('{0}:index'.format(self.url_namespace))
return url | [
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rfosterslo/wagtailplus | wagtailplus/utils/views/crud.py | DeleteView.delete | def delete(self, request, *args, **kwargs):
"""
Processes deletion of the specified instance.
:param request: the request instance.
:rtype: django.http.HttpResponse.
"""
#noinspection PyAttributeOutsideInit
self.object = self.get_object()
success_url = self.get_success_url()
meta = getattr(self.object, '_meta')
self.object.delete()
messages.success(
request,
_(u'{0} "{1}" deleted.').format(
meta.verbose_name.lower(),
str(self.object)
)
)
return redirect(success_url) | python | def delete(self, request, *args, **kwargs):
"""
Processes deletion of the specified instance.
:param request: the request instance.
:rtype: django.http.HttpResponse.
"""
#noinspection PyAttributeOutsideInit
self.object = self.get_object()
success_url = self.get_success_url()
meta = getattr(self.object, '_meta')
self.object.delete()
messages.success(
request,
_(u'{0} "{1}" deleted.').format(
meta.verbose_name.lower(),
str(self.object)
)
)
return redirect(success_url) | [
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mozilla/elasticutils | elasticutils/utils.py | chunked | def chunked(iterable, n):
"""Returns chunks of n length of iterable
If len(iterable) % n != 0, then the last chunk will have length
less than n.
Example:
>>> chunked([1, 2, 3, 4, 5], 2)
[(1, 2), (3, 4), (5,)]
"""
iterable = iter(iterable)
while 1:
t = tuple(islice(iterable, n))
if t:
yield t
else:
return | python | def chunked(iterable, n):
"""Returns chunks of n length of iterable
If len(iterable) % n != 0, then the last chunk will have length
less than n.
Example:
>>> chunked([1, 2, 3, 4, 5], 2)
[(1, 2), (3, 4), (5,)]
"""
iterable = iter(iterable)
while 1:
t = tuple(islice(iterable, n))
if t:
yield t
else:
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mozilla/elasticutils | elasticutils/utils.py | format_explanation | def format_explanation(explanation, indent=' ', indent_level=0):
"""Return explanation in an easier to read format
Easier to read for me, at least.
"""
if not explanation:
return ''
# Note: This is probably a crap implementation, but it's an
# interesting starting point for a better formatter.
line = ('%s%s %2.4f' % ((indent * indent_level),
explanation['description'],
explanation['value']))
if 'details' in explanation:
details = '\n'.join(
[format_explanation(subtree, indent, indent_level + 1)
for subtree in explanation['details']])
return line + '\n' + details
return line | python | def format_explanation(explanation, indent=' ', indent_level=0):
"""Return explanation in an easier to read format
Easier to read for me, at least.
"""
if not explanation:
return ''
# Note: This is probably a crap implementation, but it's an
# interesting starting point for a better formatter.
line = ('%s%s %2.4f' % ((indent * indent_level),
explanation['description'],
explanation['value']))
if 'details' in explanation:
details = '\n'.join(
[format_explanation(subtree, indent, indent_level + 1)
for subtree in explanation['details']])
return line + '\n' + details
return line | [
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mozilla/elasticutils | elasticutils/contrib/django/__init__.py | get_es | def get_es(**overrides):
"""Return a elasticsearch Elasticsearch object using settings
from ``settings.py``.
:arg overrides: Allows you to override defaults to create the
ElasticSearch object. You can override any of the arguments
isted in :py:func:`elasticutils.get_es`.
For example, if you wanted to create an ElasticSearch with a
longer timeout to a different cluster, you'd do:
>>> from elasticutils.contrib.django import get_es
>>> es = get_es(urls=['http://some_other_cluster:9200'], timeout=30)
"""
defaults = {
'urls': settings.ES_URLS,
'timeout': getattr(settings, 'ES_TIMEOUT', 5)
}
defaults.update(overrides)
return base_get_es(**defaults) | python | def get_es(**overrides):
"""Return a elasticsearch Elasticsearch object using settings
from ``settings.py``.
:arg overrides: Allows you to override defaults to create the
ElasticSearch object. You can override any of the arguments
isted in :py:func:`elasticutils.get_es`.
For example, if you wanted to create an ElasticSearch with a
longer timeout to a different cluster, you'd do:
>>> from elasticutils.contrib.django import get_es
>>> es = get_es(urls=['http://some_other_cluster:9200'], timeout=30)
"""
defaults = {
'urls': settings.ES_URLS,
'timeout': getattr(settings, 'ES_TIMEOUT', 5)
}
defaults.update(overrides)
return base_get_es(**defaults) | [
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mozilla/elasticutils | elasticutils/contrib/django/__init__.py | es_required | def es_required(fun):
"""Wrap a callable and return None if ES_DISABLED is False.
This also adds an additional `es` argument to the callable
giving you an ElasticSearch instance to use.
"""
@wraps(fun)
def wrapper(*args, **kw):
if getattr(settings, 'ES_DISABLED', False):
log.debug('Search disabled for %s.' % fun)
return
return fun(*args, es=get_es(), **kw)
return wrapper | python | def es_required(fun):
"""Wrap a callable and return None if ES_DISABLED is False.
This also adds an additional `es` argument to the callable
giving you an ElasticSearch instance to use.
"""
@wraps(fun)
def wrapper(*args, **kw):
if getattr(settings, 'ES_DISABLED', False):
log.debug('Search disabled for %s.' % fun)
return
return fun(*args, es=get_es(), **kw)
return wrapper | [
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mozilla/elasticutils | elasticutils/contrib/django/__init__.py | S.get_es | def get_es(self, default_builder=get_es):
"""Returns the elasticsearch Elasticsearch object to use.
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"""
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"""Returns the elasticsearch Elasticsearch object to use.
This uses the django get_es builder by default which takes
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"""
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mozilla/elasticutils | elasticutils/contrib/django/__init__.py | S.get_indexes | def get_indexes(self, default_indexes=None):
"""Returns the list of indexes to act on based on ES_INDEXES setting
"""
doctype = self.type.get_mapping_type_name()
indexes = (settings.ES_INDEXES.get(doctype) or
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if isinstance(indexes, six.string_types):
indexes = [indexes]
return super(S, self).get_indexes(default_indexes=indexes) | python | def get_indexes(self, default_indexes=None):
"""Returns the list of indexes to act on based on ES_INDEXES setting
"""
doctype = self.type.get_mapping_type_name()
indexes = (settings.ES_INDEXES.get(doctype) or
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mozilla/elasticutils | elasticutils/contrib/django/__init__.py | S.get_doctypes | def get_doctypes(self, default_doctypes=None):
"""Returns the doctypes (or mapping type names) to use."""
doctypes = self.type.get_mapping_type_name()
if isinstance(doctypes, six.string_types):
doctypes = [doctypes]
return super(S, self).get_doctypes(default_doctypes=doctypes) | python | def get_doctypes(self, default_doctypes=None):
"""Returns the doctypes (or mapping type names) to use."""
doctypes = self.type.get_mapping_type_name()
if isinstance(doctypes, six.string_types):
doctypes = [doctypes]
return super(S, self).get_doctypes(default_doctypes=doctypes) | [
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mozilla/elasticutils | elasticutils/contrib/django/__init__.py | MappingType.get_index | def get_index(cls):
"""Gets the index for this model.
The index for this model is specified in `settings.ES_INDEXES`
which is a dict of mapping type -> index name.
By default, this uses `.get_mapping_type()` to determine the
mapping and returns the value in `settings.ES_INDEXES` for that
or ``settings.ES_INDEXES['default']``.
Override this to compute it differently.
:returns: index name to use
"""
indexes = settings.ES_INDEXES
index = indexes.get(cls.get_mapping_type_name()) or indexes['default']
if not (isinstance(index, six.string_types)):
# FIXME - not sure what to do here, but we only want one
# index and somehow this isn't one index.
index = index[0]
return index | python | def get_index(cls):
"""Gets the index for this model.
The index for this model is specified in `settings.ES_INDEXES`
which is a dict of mapping type -> index name.
By default, this uses `.get_mapping_type()` to determine the
mapping and returns the value in `settings.ES_INDEXES` for that
or ``settings.ES_INDEXES['default']``.
Override this to compute it differently.
:returns: index name to use
"""
indexes = settings.ES_INDEXES
index = indexes.get(cls.get_mapping_type_name()) or indexes['default']
if not (isinstance(index, six.string_types)):
# FIXME - not sure what to do here, but we only want one
# index and somehow this isn't one index.
index = index[0]
return index | [
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By default, this uses `.get_mapping_type()` to determine the
mapping and returns the value in `settings.ES_INDEXES` for that
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] | b880cc5d51fb1079b0581255ec664c1ec934656e | https://github.com/mozilla/elasticutils/blob/b880cc5d51fb1079b0581255ec664c1ec934656e/elasticutils/contrib/django/__init__.py#L225-L246 | train |
mozilla/elasticutils | elasticutils/contrib/django/__init__.py | Indexable.get_indexable | def get_indexable(cls):
"""Returns the queryset of ids of all things to be indexed.
Defaults to::
cls.get_model().objects.order_by('id').values_list(
'id', flat=True)
:returns: iterable of ids of objects to be indexed
"""
model = cls.get_model()
return model.objects.order_by('id').values_list('id', flat=True) | python | def get_indexable(cls):
"""Returns the queryset of ids of all things to be indexed.
Defaults to::
cls.get_model().objects.order_by('id').values_list(
'id', flat=True)
:returns: iterable of ids of objects to be indexed
"""
model = cls.get_model()
return model.objects.order_by('id').values_list('id', flat=True) | [
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mozilla/elasticutils | elasticutils/__init__.py | get_es | def get_es(urls=None, timeout=DEFAULT_TIMEOUT, force_new=False, **settings):
"""Create an elasticsearch `Elasticsearch` object and return it.
This will aggressively re-use `Elasticsearch` objects with the
following rules:
1. if you pass the same argument values to `get_es()`, then it
will return the same `Elasticsearch` object
2. if you pass different argument values to `get_es()`, then it
will return different `Elasticsearch` object
3. it caches each `Elasticsearch` object that gets created
4. if you pass in `force_new=True`, then you are guaranteed to get
a fresh `Elasticsearch` object AND that object will not be
cached
:arg urls: list of uris; Elasticsearch hosts to connect to,
defaults to ``['http://localhost:9200']``
:arg timeout: int; the timeout in seconds, defaults to 5
:arg force_new: Forces get_es() to generate a new Elasticsearch
object rather than pulling it from cache.
:arg settings: other settings to pass into Elasticsearch
constructor; See
`<http://elasticsearch-py.readthedocs.org/>`_ for more details.
Examples::
# Returns cached Elasticsearch object
es = get_es()
# Returns a new Elasticsearch object
es = get_es(force_new=True)
es = get_es(urls=['localhost'])
es = get_es(urls=['localhost:9200'], timeout=10,
max_retries=3)
"""
# Cheap way of de-None-ifying things
urls = urls or DEFAULT_URLS
# v0.7: Check for 'hosts' instead of 'urls'. Take this out in v1.0.
if 'hosts' in settings:
raise DeprecationWarning('"hosts" is deprecated in favor of "urls".')
if not force_new:
key = _build_key(urls, timeout, **settings)
if key in _cached_elasticsearch:
return _cached_elasticsearch[key]
es = Elasticsearch(urls, timeout=timeout, **settings)
if not force_new:
# We don't need to rebuild the key here since we built it in
# the previous if block, so it's in the namespace. Having said
# that, this is a little ew.
_cached_elasticsearch[key] = es
return es | python | def get_es(urls=None, timeout=DEFAULT_TIMEOUT, force_new=False, **settings):
"""Create an elasticsearch `Elasticsearch` object and return it.
This will aggressively re-use `Elasticsearch` objects with the
following rules:
1. if you pass the same argument values to `get_es()`, then it
will return the same `Elasticsearch` object
2. if you pass different argument values to `get_es()`, then it
will return different `Elasticsearch` object
3. it caches each `Elasticsearch` object that gets created
4. if you pass in `force_new=True`, then you are guaranteed to get
a fresh `Elasticsearch` object AND that object will not be
cached
:arg urls: list of uris; Elasticsearch hosts to connect to,
defaults to ``['http://localhost:9200']``
:arg timeout: int; the timeout in seconds, defaults to 5
:arg force_new: Forces get_es() to generate a new Elasticsearch
object rather than pulling it from cache.
:arg settings: other settings to pass into Elasticsearch
constructor; See
`<http://elasticsearch-py.readthedocs.org/>`_ for more details.
Examples::
# Returns cached Elasticsearch object
es = get_es()
# Returns a new Elasticsearch object
es = get_es(force_new=True)
es = get_es(urls=['localhost'])
es = get_es(urls=['localhost:9200'], timeout=10,
max_retries=3)
"""
# Cheap way of de-None-ifying things
urls = urls or DEFAULT_URLS
# v0.7: Check for 'hosts' instead of 'urls'. Take this out in v1.0.
if 'hosts' in settings:
raise DeprecationWarning('"hosts" is deprecated in favor of "urls".')
if not force_new:
key = _build_key(urls, timeout, **settings)
if key in _cached_elasticsearch:
return _cached_elasticsearch[key]
es = Elasticsearch(urls, timeout=timeout, **settings)
if not force_new:
# We don't need to rebuild the key here since we built it in
# the previous if block, so it's in the namespace. Having said
# that, this is a little ew.
_cached_elasticsearch[key] = es
return es | [
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will return the same `Elasticsearch` object
2. if you pass different argument values to `get_es()`, then it
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3. it caches each `Elasticsearch` object that gets created
4. if you pass in `force_new=True`, then you are guaranteed to get
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cached
:arg urls: list of uris; Elasticsearch hosts to connect to,
defaults to ``['http://localhost:9200']``
:arg timeout: int; the timeout in seconds, defaults to 5
:arg force_new: Forces get_es() to generate a new Elasticsearch
object rather than pulling it from cache.
:arg settings: other settings to pass into Elasticsearch
constructor; See
`<http://elasticsearch-py.readthedocs.org/>`_ for more details.
Examples::
# Returns cached Elasticsearch object
es = get_es()
# Returns a new Elasticsearch object
es = get_es(force_new=True)
es = get_es(urls=['localhost'])
es = get_es(urls=['localhost:9200'], timeout=10,
max_retries=3) | [
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mozilla/elasticutils | elasticutils/__init__.py | _facet_counts | def _facet_counts(items):
"""Returns facet counts as dict.
Given the `items()` on the raw dictionary from Elasticsearch this processes
it and returns the counts keyed on the facet name provided in the original
query.
"""
facets = {}
for name, data in items:
facets[name] = FacetResult(name, data)
return facets | python | def _facet_counts(items):
"""Returns facet counts as dict.
Given the `items()` on the raw dictionary from Elasticsearch this processes
it and returns the counts keyed on the facet name provided in the original
query.
"""
facets = {}
for name, data in items:
facets[name] = FacetResult(name, data)
return facets | [
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