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