Gecko [ armaneco.co.uk ]

Name	Size	Permission	Date
testfiles	[ DIR ]	drwxr-xr-x	2022-02-05 00:54
tests	[ DIR ]	drwxr-xr-x	2022-02-05 00:54
__init__.py	2.64 KB	-rw-r--r--	2013-02-28 18:01
__init__.pyc	2.16 KB	-rw-r--r--	2019-03-08 07:27
__init__.pyo	2.16 KB	-rw-r--r--	2019-03-08 07:27
_api.py	8.83 KB	-rw-r--r--	2013-02-28 18:01
_api.pyc	7.49 KB	-rw-r--r--	2019-03-08 07:27
_api.pyo	7.49 KB	-rw-r--r--	2019-03-08 07:27
_compat.py	1.03 KB	-rw-r--r--	2013-02-28 18:01
_compat.pyc	822 B	-rw-r--r--	2019-03-08 07:27
_compat.pyo	822 B	-rw-r--r--	2019-03-08 07:27
_declaration.py	1.79 KB	-rw-r--r--	2013-02-28 18:01
_declaration.pyc	2.25 KB	-rw-r--r--	2019-03-08 07:27
_declaration.pyo	2.25 KB	-rw-r--r--	2019-03-08 07:27
configure.zcml	444 B	-rw-r--r--	2013-02-28 18:01
event.py	1.2 KB	-rw-r--r--	2013-02-28 18:01
event.pyc	1.03 KB	-rw-r--r--	2019-03-08 07:27
event.pyo	1.03 KB	-rw-r--r--	2019-03-08 07:27
eventtesting.py	2.04 KB	-rw-r--r--	2013-02-28 18:01
eventtesting.pyc	2.12 KB	-rw-r--r--	2019-03-08 07:27
eventtesting.pyo	2.12 KB	-rw-r--r--	2019-03-08 07:27
factory.py	1.71 KB	-rw-r--r--	2013-02-28 18:01
factory.pyc	1.87 KB	-rw-r--r--	2019-03-08 07:27
factory.pyo	1.87 KB	-rw-r--r--	2019-03-08 07:27
globalregistry.py	2.67 KB	-rw-r--r--	2013-02-28 18:01
globalregistry.pyc	3.77 KB	-rw-r--r--	2019-03-08 07:27
globalregistry.pyo	3.77 KB	-rw-r--r--	2019-03-08 07:27
hookable.py	1.29 KB	-rw-r--r--	2013-02-28 18:01
hookable.pyc	1.71 KB	-rw-r--r--	2019-03-08 07:27
hookable.pyo	1.71 KB	-rw-r--r--	2019-03-08 07:27
hooks.py	4 KB	-rw-r--r--	2013-02-28 18:01
hooks.pyc	4.15 KB	-rw-r--r--	2019-03-08 07:27
hooks.pyo	4.15 KB	-rw-r--r--	2019-03-08 07:27
interface.py	4.25 KB	-rw-r--r--	2013-02-28 18:01
interface.pyc	4.07 KB	-rw-r--r--	2019-03-08 07:27
interface.pyo	3.97 KB	-rw-r--r--	2019-03-08 07:27
interfaces.py	16.28 KB	-rw-r--r--	2013-02-28 18:01
interfaces.pyc	20.13 KB	-rw-r--r--	2019-03-08 07:27
interfaces.pyo	20.13 KB	-rw-r--r--	2019-03-08 07:27
meta.zcml	1.12 KB	-rw-r--r--	2013-02-28 18:01
persistentregistry.py	2.05 KB	-rw-r--r--	2013-02-28 18:01
persistentregistry.pyc	2.54 KB	-rw-r--r--	2019-03-08 07:27
persistentregistry.pyo	2.54 KB	-rw-r--r--	2019-03-08 07:27
registry.py	2.14 KB	-rw-r--r--	2013-02-28 18:01
registry.pyc	2.01 KB	-rw-r--r--	2019-03-08 07:27
registry.pyo	2.01 KB	-rw-r--r--	2019-03-08 07:27
security.py	3.54 KB	-rw-r--r--	2013-02-28 18:01
security.pyc	3.31 KB	-rw-r--r--	2019-03-08 07:27
security.pyo	3.31 KB	-rw-r--r--	2019-03-08 07:27
standalonetests.py	1.16 KB	-rw-r--r--	2013-02-28 18:01
standalonetests.pyc	2.38 KB	-rw-r--r--	2019-03-08 07:27
standalonetests.pyo	2.3 KB	-rw-r--r--	2019-03-08 07:27
testing.py	1.23 KB	-rw-r--r--	2013-02-28 18:01
testing.pyc	1.52 KB	-rw-r--r--	2019-03-08 07:27
testing.pyo	1.52 KB	-rw-r--r--	2019-03-08 07:27
testlayer.py	4.09 KB	-rw-r--r--	2013-02-28 18:01
testlayer.pyc	5.64 KB	-rw-r--r--	2019-03-08 07:27
testlayer.pyo	5.64 KB	-rw-r--r--	2019-03-08 07:27
zcml.py	19.72 KB	-rw-r--r--	2013-02-28 18:01
zcml.pyc	16.92 KB	-rw-r--r--	2019-03-08 07:27
zcml.pyo	16.92 KB	-rw-r--r--	2019-03-08 07:27

Rename

##############################################################################
#
# Copyright (c) 2001, 2002 Zope Foundation and Contributors.
# All Rights Reserved.
#
# This software is subject to the provisions of the Zope Public License,
# Version 2.1 (ZPL).  A copy of the ZPL should accompany this distribution.
# THIS SOFTWARE IS PROVIDED "AS IS" AND ANY AND ALL EXPRESS OR IMPLIED
# WARRANTIES ARE DISCLAIMED, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
# WARRANTIES OF TITLE, MERCHANTABILITY, AGAINST INFRINGEMENT, AND FITNESS
# FOR A PARTICULAR PURPOSE.
#
##############################################################################
"""Hooks for getting and setting a site in the thread global namespace.
"""
__docformat__ = 'restructuredtext'

import contextlib
import threading

try:
    from zope.security.proxy import removeSecurityProxy
except ImportError: #pragma NO COVER
    def removeSecurityProxy(x):
        return x

from zope.component.globalregistry import getGlobalSiteManager
from zope.component.interfaces import ComponentLookupError
from zope.component.interfaces import IComponentLookup

class read_property(object):
    """Descriptor for property-like computed attributes.

Unlike the standard 'property', this descriptor allows assigning a
    value to the instance, shadowing the property getter function.
    """
    def __init__(self, func):
        self.func = func

def __get__(self, inst, cls):
        if inst is None:
            return self

return self.func(inst)

class SiteInfo(threading.local):
    site = None
    sm = getGlobalSiteManager()

@read_property
    def adapter_hook(self):
        adapter_hook = self.sm.adapters.adapter_hook
        self.adapter_hook = adapter_hook
        return adapter_hook

siteinfo = SiteInfo()

def setSite(site=None):
    if site is None:
        sm = getGlobalSiteManager()
    else:

# We remove the security proxy because there's no way for
        # untrusted code to get at it without it being proxied again.

site = removeSecurityProxy(site)
        # The getSiteManager method is defined by IPossibleSite.
        sm = site.getSiteManager()

siteinfo.site = site
    siteinfo.sm = sm
    try:
        del siteinfo.adapter_hook
    except AttributeError:
        pass

def getSite():
    return siteinfo.site

@contextlib.contextmanager
def site(site):
    old_site = getSite()
    setSite(site)
    try:
        yield
    finally:
        setSite(old_site)

def getSiteManager(context=None):
    """A special hook for getting the site manager.

Here we take the currently set site into account to find the appropriate
    site manager.
    """
    if context is None:
        return siteinfo.sm

# We remove the security proxy because there's no way for
    # untrusted code to get at it without it being proxied again.

# We should really look look at this again though, especially
    # once site managers do less.  There's probably no good reason why
    # they can't be proxied.  Well, except maybe for performance.
    sm = IComponentLookup(
        context, getGlobalSiteManager())
    sm = removeSecurityProxy(sm)
    return sm

def adapter_hook(interface, object, name='', default=None):
    try:
        return siteinfo.adapter_hook(interface, object, name, default)
    except ComponentLookupError:
        return default

def setHooks():
    from zope.component import _api
    _api.adapter_hook.sethook(adapter_hook)
    _api.getSiteManager.sethook(getSiteManager)

def resetHooks():
    # Reset hookable functions to original implementation.
    from zope.component import _api
    _api.adapter_hook.reset()
    _api.getSiteManager.reset()

# Clear the site thread global
clearSite = setSite
try:
    from zope.testing.cleanup import addCleanUp
except ImportError: #pragma NO COVER
    pass
else:
    addCleanUp(resetHooks)