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33 lines
799 B
33 lines
799 B
6 years ago
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# -*- coding: utf-8 -*-
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# Copyright 2018 Mike Fährmann
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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 version 2 as
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# published by the Free Software Foundation.
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import importlib
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import logging
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log = logging.getLogger("postprocessor")
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def find(name):
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"""Return a postprocessor class with the given name"""
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try:
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return _cache[name]
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except KeyError:
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try:
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module = importlib.import_module("."+name, __package__)
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cls = module.__postprocessor__
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_cache[name] = cls
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return cls
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except (ImportError, AttributeError):
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return None
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# --------------------------------------------------------------------
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# internals
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_cache = {}
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