FM / overrides

/usr/lib/python3/dist-packages/gi/overrides/

/usr/lib/python3/dist-packages/gi/overrides

Name	Size	Mode	Actions
__pycache__/	-	0755	rm
Gdk.py	16088	0644	edit dl rm
GdkPixbuf.py	1724	0644	edit dl rm
GIMarshallingTests.py	2242	0644	edit dl rm
Gio.py	18777	0644	edit dl rm
GLib.py	29897	0644	edit dl rm
GObject.py	24215	0644	edit dl rm
Gtk.py	62904	0644	edit dl rm
keysyms.py	1705	0644	edit dl rm
Pango.py	1774	0644	edit dl rm
__init__.py	12819	0644	edit dl rm

Edit: /usr/lib/python3/dist-packages/gi/overrides/__init__.py (12819B)

import functools
import types
import warnings
import importlib
import sys
from pkgutil import get_loader

from gi import PyGIDeprecationWarning
from gi._gi import CallableInfo, pygobject_new_full
from gi._constants import \
    TYPE_NONE, \
    TYPE_INVALID

# support overrides in different directories than our gi module
from pkgutil import extend_path
__path__ = extend_path(__path__, __name__)

# namespace -> (attr, replacement)
_deprecated_attrs = {}

class OverridesProxyModule(types.ModuleType):
    """Wraps a introspection module and contains all overrides"""

def __init__(self, introspection_module):
        super(OverridesProxyModule, self).__init__(
            introspection_module.__name__)
        self._introspection_module = introspection_module

def __getattr__(self, name):
        return getattr(self._introspection_module, name)

def __dir__(self):
        result = set(dir(self.__class__))
        result.update(self.__dict__.keys())
        result.update(dir(self._introspection_module))
        return sorted(result)

def __repr__(self):
        return "<%s %r>" % (type(self).__name__, self._introspection_module)

class _DeprecatedAttribute(object):
    """A deprecation descriptor for OverridesProxyModule subclasses.

Emits a PyGIDeprecationWarning on every access and tries to act as a
    normal instance attribute (can be replaced and deleted).
    """

def __init__(self, namespace, attr, value, replacement):
        self._attr = attr
        self._value = value
        self._warning = PyGIDeprecationWarning(
            '%s.%s is deprecated; use %s instead' % (
                namespace, attr, replacement))

def __get__(self, instance, owner):
        if instance is None:
            raise AttributeError(self._attr)
        warnings.warn(self._warning, stacklevel=2)
        return self._value

def __set__(self, instance, value):
        attr = self._attr
        # delete the descriptor, then set the instance value
        delattr(type(instance), attr)
        setattr(instance, attr, value)

def __delete__(self, instance):
        # delete the descriptor
        delattr(type(instance), self._attr)

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_key = 'gi.repository.' + namespace

# 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
    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)
    sys.modules[module_key] = proxy

# backwards compat:
    # gedit uses gi.importer.modules['Gedit']._introspection_module
    from ..importer import modules
    assert hasattr(proxy, "_introspection_module")
    modules[namespace] = proxy

try:
        override_package_name = 'gi.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:
        del modules[namespace]
        del sys.modules[module_key]
        if has_old:
            sys.modules[module_key] = old_module

# backwards compat: for gst-python/gstmodule.c,
    # which tries to access Gst.Fraction through
    # Gst._overrides_module.Fraction. We assign the proxy instead as that
    # contains all overridden classes like Fraction during import anyway and
    # there is no need to keep the real override module alive.
    proxy._overrides_module = proxy

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
        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

def override(type_):
    """Decorator for registering an override.

Other than objects added to __all__, these can get referenced in the same
    override module via the gi.repository module (get_parent_for_object() does
    for example), so they have to be added to the module immediately.
    """

if isinstance(type_, CallableInfo):
        func = type_
        namespace = func.__module__.rsplit('.', 1)[-1]
        module = sys.modules["gi.repository." + namespace]

def wrapper(func):
            setattr(module, func.__name__, func)
            return func

return wrapper
    elif isinstance(type_, types.FunctionType):
        raise TypeError("func must be a gi function, got %s" % type_)
    else:
        try:
            info = getattr(type_, '__info__')
        except AttributeError:
            raise TypeError(
                'Can not override a type %s, which is not in a gobject '
                'introspection typelib' % type_.__name__)

if not type_.__module__.startswith('gi.overrides'):
            raise KeyError(
                'You have tried override outside of the overrides module. '
                'This is not allowed (%s, %s)' % (type_, type_.__module__))

g_type = info.get_g_type()
        assert g_type != TYPE_NONE
        if g_type != TYPE_INVALID:
            g_type.pytype = type_

namespace = type_.__module__.rsplit(".", 1)[-1]
        module = sys.modules["gi.repository." + namespace]
        setattr(module, type_.__name__, type_)

return type_

overridefunc = override
"""Deprecated"""

def deprecated(fn, replacement):
    """Decorator for marking methods and classes as deprecated"""
    @functools.wraps(fn)
    def wrapped(*args, **kwargs):
        warnings.warn('%s is deprecated; use %s instead' % (fn.__name__, replacement),
                      PyGIDeprecationWarning, stacklevel=2)
        return fn(*args, **kwargs)
    return wrapped

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))

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

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
    on success and None on failure.
    """
    @functools.wraps(method)
    def wrapped(*args, **kwargs):
        ret = method(*args, **kwargs)
        if ret[0]:
            if len(ret) == 2:
                return ret[1]
            else:
                return ret[1:]
        else:
            if exc_type:
                raise exc_type(exc_str or 'call failed')
            return fail_ret
    return wrapped

def wrap_list_store_sort_func(func):

def wrap(a, b, *user_data):
        a = pygobject_new_full(a, False)
        b = pygobject_new_full(b, False)
        return func(a, b, *user_data)

return wrap

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