mirror of
https://salsa.debian.org/freeipa-team/freeipa.git
synced 2024-12-24 16:10:02 -06:00
e5520dc347
Add context which is valid for the duration of command call. The context is accessible using the `context` attribute of Command and Object plugins. Reviewed-By: Martin Basti <mbasti@redhat.com>
81 lines
2.1 KiB
Python
81 lines
2.1 KiB
Python
# Authors:
|
|
# Rob Crittenden <rcritten@redhat.com>
|
|
# Jason Gerard DeRose <jderose@redhat.com>
|
|
#
|
|
# Copyright (C) 2008 Red Hat
|
|
# see file 'COPYING' for use and warranty contextrmation
|
|
#
|
|
# This program is free software; you can redistribute it and/or modify
|
|
# it under the terms of the GNU General Public License as published by
|
|
# the Free Software Foundation, either version 3 of the License, or
|
|
# (at your option) any later version.
|
|
#
|
|
# This program 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 General Public License for more details.
|
|
#
|
|
# You should have received a copy of the GNU General Public License
|
|
# along with this program. If not, see <http://www.gnu.org/licenses/>.
|
|
|
|
"""
|
|
Per-request thread-local data.
|
|
"""
|
|
|
|
import contextlib
|
|
import threading
|
|
|
|
from ipalib.base import ReadOnly, lock
|
|
from ipalib.constants import CALLABLE_ERROR
|
|
|
|
|
|
# Thread-local storage of most per-request information
|
|
context = threading.local()
|
|
|
|
|
|
class _FrameContext(object):
|
|
pass
|
|
|
|
|
|
@contextlib.contextmanager
|
|
def context_frame():
|
|
try:
|
|
frame_back = context.current_frame
|
|
except AttributeError:
|
|
pass
|
|
context.current_frame = _FrameContext()
|
|
try:
|
|
yield
|
|
finally:
|
|
try:
|
|
context.current_frame = frame_back
|
|
except UnboundLocalError:
|
|
del context.current_frame
|
|
|
|
|
|
class Connection(ReadOnly):
|
|
"""
|
|
Base class for connection objects stored on `request.context`.
|
|
"""
|
|
|
|
def __init__(self, conn, disconnect):
|
|
self.conn = conn
|
|
if not callable(disconnect):
|
|
raise TypeError(
|
|
CALLABLE_ERROR % ('disconnect', disconnect, type(disconnect))
|
|
)
|
|
self.disconnect = disconnect
|
|
lock(self)
|
|
|
|
|
|
def destroy_context():
|
|
"""
|
|
Delete all attributes on thread-local `request.context`.
|
|
"""
|
|
# need to use a list of values, 'cos value.disconnect modifies the dict
|
|
for value in list(context.__dict__.values()):
|
|
if isinstance(value, Connection):
|
|
value.disconnect()
|
|
context.__dict__.clear()
|
|
|