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59 lines
1.7 KiB
Python
59 lines
1.7 KiB
Python
# Authors:
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# Rob Crittenden <rcritten@redhat.com>
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# Jason Gerard DeRose <jderose@redhat.com>
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#
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# Copyright (C) 2008 Red Hat
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# see file 'COPYING' for use and warranty contextrmation
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#
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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"""
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Per-request thread-local data.
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"""
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import threading
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from base import ReadOnly, lock
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from constants import OVERRIDE_ERROR, CALLABLE_ERROR
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# Thread-local storage of most per-request information
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context = threading.local()
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class Connection(ReadOnly):
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"""
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Base class for connection objects stored on `request.context`.
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"""
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def __init__(self, conn, disconnect):
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self.conn = conn
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if not callable(disconnect):
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raise TypeError(
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CALLABLE_ERROR % ('disconnect', disconnect, type(disconnect))
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)
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self.disconnect = disconnect
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lock(self)
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def destroy_context():
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"""
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Delete all attributes on thread-local `request.context`.
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"""
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# need to use .values(), 'cos value.disconnect modifies the dict
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for value in context.__dict__.values():
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if isinstance(value, Connection):
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value.disconnect()
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context.__dict__.clear()
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