| 1 | # ***** BEGIN LICENSE BLOCK *****
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| 2 | # Version: MPL 1.1/GPL 2.0/LGPL 2.1
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| 3 | #
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| 4 | # The contents of this file are subject to the Mozilla Public License Version
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| 5 | # 1.1 (the "License"); you may not use this file except in compliance with
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| 6 | # the License. You may obtain a copy of the License at
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| 7 | # http://www.mozilla.org/MPL/
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| 8 | #
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| 9 | # Software distributed under the License is distributed on an "AS IS" basis,
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| 10 | # WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
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| 11 | # for the specific language governing rights and limitations under the
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| 12 | # License.
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| 13 | #
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| 14 | # The Original Code is the Python XPCOM language bindings.
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| 15 | #
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| 16 | # The Initial Developer of the Original Code is
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| 17 | # ActiveState Tool Corp.
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| 18 | # Portions created by the Initial Developer are Copyright (C) 2000, 2001
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| 19 | # the Initial Developer. All Rights Reserved.
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| 20 | #
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| 21 | # Contributor(s):
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| 22 | # Mark Hammond <MarkH@ActiveState.com> (original author)
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| 23 | #
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| 24 | # Alternatively, the contents of this file may be used under the terms of
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| 25 | # either the GNU General Public License Version 2 or later (the "GPL"), or
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| 26 | # the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
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| 27 | # in which case the provisions of the GPL or the LGPL are applicable instead
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| 28 | # of those above. If you wish to allow use of your version of this file only
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| 29 | # under the terms of either the GPL or the LGPL, and not to allow others to
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| 30 | # use your version of this file under the terms of the MPL, indicate your
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| 31 | # decision by deleting the provisions above and replace them with the notice
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| 32 | # and other provisions required by the GPL or the LGPL. If you do not delete
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| 33 | # the provisions above, a recipient may use your version of this file under
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| 34 | # the terms of any one of the MPL, the GPL or the LGPL.
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| 35 | #
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| 36 | # ***** END LICENSE BLOCK *****
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| 37 |
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| 38 | # Class factory
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| 39 | #
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| 40 | # Hardly worth its own source file!
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| 41 | import xpcom
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| 42 | from xpcom import components, nsError, _xpcom, logger
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| 43 |
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| 44 | class Factory:
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| 45 | _com_interfaces_ = components.interfaces.nsIFactory
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| 46 | # This will only ever be constructed via other Python code,
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| 47 | # so we can have ctor args.
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| 48 | def __init__(self, klass):
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| 49 | self.klass = klass
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| 50 |
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| 51 | def createInstance(self, outer, iid):
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| 52 | if outer is not None:
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| 53 | raise xpcom.ServerException(nsError.NS_ERROR_NO_AGGREGATION)
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| 54 |
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| 55 | logger.debug("Python Factory creating %s", self.klass.__name__)
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| 56 | try:
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| 57 | return self.klass()
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| 58 | except:
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| 59 | # An exception here may not be obvious to the user - none
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| 60 | # of their code has been called yet. It can be handy on
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| 61 | # failure to tell the user what class failed!
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| 62 | logger.error("Creation of class '%r' failed!\nException details follow\n",
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| 63 | self.klass)
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| 64 | # The framework itself will also report the error.
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| 65 | raise
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| 66 |
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| 67 | def lockServer(self, lock):
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| 68 | logger.debug("Python Factory LockServer called '%s'", lock)
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