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59 lines
1.8 KiB
Python
59 lines
1.8 KiB
Python
# -*- Mode: Python; py-indent-offset: 4 -*-
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# pygtk - Python bindings for the GTK+ widget set.
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# Copyright (C) 1998-2002 James Henstridge
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# (C) 2005 Edward Hervey
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#
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# pygst.py: pygst version selection code.
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#
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 2 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write to the Free Software
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# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
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# USA
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# This allows parallel installation of gst-python
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#
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# In order to have backward compatibility
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import fnmatch
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import glob
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import os
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import sys
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__all__ = ['require']
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_pygst_dir = '@PYGSTDIR@'
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_pygst_version = '@GST_MAJORMINOR@'
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_pygst_required_version = None
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def require(version):
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global _pygst_required_version
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if _pygst_required_version != None:
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assert _pygst_required_version == version, \
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"a different version of gst was already required"
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return
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assert not sys.modules.has_key('gst'), \
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"pygst.require() must be called before importing gst"
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assert version == _pygst_version, \
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"Only version '%s' is available" % _pygst_version
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# move the pygst path to the front
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while _pygst_dir in sys.path:
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sys.path.remove(_pygst_dir)
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sys.path.insert(0, _pygst_dir)
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_pygst_required_version = version
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