зеркало из https://github.com/mozilla/pjs.git
69 строки
2.6 KiB
Python
69 строки
2.6 KiB
Python
# 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 the
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# License. You may obtain a copy of the License at 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 for
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# the specific language governing rights and limitations under the 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 ActiveState Tool Corp.
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# Portions created by ActiveState Tool Corp. are Copyright (C) 2000, 2001
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# ActiveState Tool Corp. All Rights Reserved.
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#
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# Contributor(s): Mark Hammond <MarkH@ActiveState.com> (original author)
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#
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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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