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# cp950.py: Python Unicode Codec for CP950
#
# Written by Hye-Shik Chang <perky@FreeBSD.org>
#

import _codecs_tw, codecs
import _multibytecodec as mbc

codec = _codecs_tw.getcodec('cp950')

class Codec(codecs.Codec):
    encode = codec.encode
    decode = codec.decode

class IncrementalEncoder(mbc.MultibyteIncrementalEncoder,
                         codecs.IncrementalEncoder):
    codec = codec

class IncrementalDecoder(mbc.MultibyteIncrementalDecoder,
                         codecs.IncrementalDecoder):
    codec = codec

class StreamReader(Codec, mbc.MultibyteStreamReader, codecs.StreamReader):
    codec = codec

class StreamWriter(Codec, mbc.MultibyteStreamWriter, codecs.StreamWriter):
    codec = codec

def getregentry():
    return codecs.CodecInfo(
        name='cp950',
        encode=Codec().encode,
        decode=Codec().decode,
        incrementalencoder=IncrementalEncoder,
        incrementaldecoder=IncrementalDecoder,
        streamreader=StreamReader,
        streamwriter=StreamWriter,
    )
  "   ˆl–ßi~”TÒ~êu@ŠãM\*bÑ¿ÂƒlO=ÁÀ ¨    # -*- Mode: Python; py-indent-offset: 4 -*-
# vim: tabstop=4 shiftwidth=4 expandtab
#
# Copyright (C) 2005-2009 Johan Dahlin <johan@gnome.org>
#               2015 Christoph Reiter
#
#   importer.py: dynamic importer for introspected libraries.
#
# This library is free software; you can redistribute it and/or
# modify it under the terms of the GNU Lesser General Public
# License as published by the Free Software Foundation; either
# version 2.1 of the License, or (at your option) any later version.
#
# This library is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
# Lesser General Public License for more details.
#
# You should have received a copy of the GNU Lesser General Public
# License along with this library; if not, write to the Free Software
# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301
# USA

from __future__ import absolute_import
import sys
import warnings
import importlib
from contextlib import contextmanager

import gi
from ._gi import Repository, RepositoryError
from ._gi import PyGIWarning
from .module import get_introspection_module
from .overrides import load_overrides


repository = Repository.get_default()

# only for backwards compatibility
modules = {}


@contextmanager
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()
    """

    was_loaded = repository.is_registered(namespace)

    yield

    if was_loaded:
        # it was loaded before by another import which depended on this
        # namespace or by C code like libpeas
        return

    if namespace in ("GLib", "GObject", "Gio"):
        # part of glib (we have bigger problems if versions change there)
        return

    if gi.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)


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