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# ***** BEGIN LICENSE BLOCK *****
# Version: MPL 1.1/GPL 2.0/LGPL 2.1
#
# The contents of this file are subject to the Mozilla Public License Version
# 1.1 (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.mozilla.org/MPL/
#
# Software distributed under the License is distributed on an "AS IS" basis,
# WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
# for the specific language governing rights and limitations under the
# License.
#
# The Original Code is the Python XPCOM language bindings.
#
# The Initial Developer of the Original Code is
# Activestate Tool Corp.
# Portions created by the Initial Developer are Copyright (C) 2000
# the Initial Developer. All Rights Reserved.
#
# Contributor(s):
# Mark Hammond <MarkH@ActiveState.com>
#
# Alternatively, the contents of this file may be used under the terms of
# either the GNU General Public License Version 2 or later (the "GPL"), or
# the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
# in which case the provisions of the GPL or the LGPL are applicable instead
# of those above. If you wish to allow use of your version of this file only
# under the terms of either the GPL or the LGPL, and not to allow others to
# use your version of this file under the terms of the MPL, indicate your
# decision by deleting the provisions above and replace them with the notice
# and other provisions required by the GPL or the LGPL. If you do not delete
# the provisions above, a recipient may use your version of this file under
# the terms of any one of the MPL, the GPL or the LGPL.
#
# ***** END LICENSE BLOCK *****
# The xpcom.server package.
from xpcom.server.policy import DefaultPolicy
from xpcom import _xpcom
# We define the concept of a single "tracer" object - similar to the single
# Python "trace hook" for debugging. Someone can set
# xpcom.server.tracer to some class/function, and it will be used in place
# of the real xpcom object. Presumably this "trace" object will delegate
# to the real object, but presumably also taking some other action, such
# as calling a profiler or debugger.
# tracer_unwrap is a function used to "unwrap" the tracer object.
# If is expected that tracer_unwrap will be called with an object
# previously returned by "tracer()".
tracer = tracer_unwrap = None
# Wrap an instance in an interface (via a policy)
def WrapObject(ob, iid, policy = None, bWrapClient = 1):
"""Called by the framework to attempt to wrap
an object in a policy.
If iid is None, it will use the first interface the object indicates it supports.
"""
if policy is None:
policy = DefaultPolicy
if tracer is not None:
ob = tracer(ob)
return _xpcom.WrapObject(policy( ob, iid ), iid, bWrapClient)
# Unwrap a Python object back into the Python object
def UnwrapObject(ob):
if ob is None:
return None
ret = _xpcom.UnwrapObject(ob)._obj_
if tracer_unwrap is not None:
ret = tracer_unwrap(ret)
return ret
# Create the main module for the Python loader.
# This is a once only init process, and the returned object
# if used to load all other Python components.
# This means that we keep all factories, modules etc implemented in
# Python!
def NS_GetModule( serviceManager, nsIFile ):
from . import loader
iid = _xpcom.IID_nsIModule
return WrapObject(loader.MakePythonComponentLoaderModule(serviceManager, nsIFile), iid, bWrapClient = 0)
def _shutdown():
from xpcom.server.policy import _shutdown
_shutdown()
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