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# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
def IDWrapper(freer):
"""
Classes create with IDWrapper return an ID and then free it upon exit of the
context.
"""
class Wrapper:
def __init__(self, conn):
self.conn = conn
self.id = None
def __enter__(self):
self.id = self.conn.generate_id()
return self.id
def __exit__(self, exception_type, exception_value, traceback):
getattr(self.conn.core, freer)(self.id)
return Wrapper
PixmapID = IDWrapper("FreePixmap")
GContextID = IDWrapper("FreeGC")
ColormapID = IDWrapper("FreeColormap")
CursorID = IDWrapper("FreeCursor")
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