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# -*- Mode: Python -*-
# GObject-Introspection - a framework for introspecting GObject libraries
# Copyright (C) 2008 Johan Dahlin
# Copyright (C) 2013 Dieter Verfaillie <dieterv@optionexplicit.be>
#
# 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 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., 59 Temple Place - Suite 330,
# Boston, MA 02111-1307, USA.
# Borrowed from:
# http://hg.sqlalchemy.org/sqlalchemy/raw-file/77e2264283d4/lib/sqlalchemy/util/_collections.py
# http://hg.sqlalchemy.org/sqlalchemy/raw-file/77e2264283d4/AUTHORS
#
# util/_collections.py
# Copyright (C) 2005-2012 the SQLAlchemy authors and contributors <see AUTHORS file>
#
# This module is part of SQLAlchemy and is released under
# the MIT License: http://www.opensource.org/licenses/mit-license.php
import sys
py2k = sys.version_info < (3, 0)
class OrderedDict(dict):
"""A dict that returns keys/values/items in the order they were added."""
__slots__ = '_list',
def __reduce__(self):
return OrderedDict, (self.items(),)
def __init__(self, ____sequence=None, **kwargs):
self._list = []
if ____sequence is None:
if kwargs:
self.update(**kwargs)
else:
self.update(____sequence, **kwargs)
def clear(self):
self._list = []
dict.clear(self)
def copy(self):
return self.__copy__()
def __copy__(self):
return OrderedDict(self)
def sort(self, *arg, **kw):
self._list.sort(*arg, **kw)
def update(self, ____sequence=None, **kwargs):
if ____sequence is not None:
if hasattr(____sequence, 'keys'):
for key in ____sequence.keys():
self.__setitem__(key, ____sequence[key])
else:
for key, value in ____sequence:
self[key] = value
if kwargs:
self.update(kwargs)
def setdefault(self, key, value):
if key not in self:
self.__setitem__(key, value)
return value
else:
return self.__getitem__(key)
def __iter__(self):
return iter(self._list)
def keys(self):
return list(self)
def values(self):
return [self[key] for key in self._list]
def items(self):
return [(key, self[key]) for key in self._list]
if py2k:
def itervalues(self):
return iter(self.values())
def iterkeys(self):
return iter(self)
def iteritems(self):
return iter(self.items())
def __setitem__(self, key, object):
if key not in self:
try:
self._list.append(key)
except AttributeError:
# work around Python pickle loads() with
# dict subclass (seems to ignore __setstate__?)
self._list = [key]
dict.__setitem__(self, key, object)
def __delitem__(self, key):
dict.__delitem__(self, key)
self._list.remove(key)
def pop(self, key, *default):
present = key in self
value = dict.pop(self, key, *default)
if present:
self._list.remove(key)
return value
def popitem(self):
item = dict.popitem(self)
self._list.remove(item[0])
return item