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45 lines
1012 B
45 lines
1012 B
# -*- coding: utf-8 -*-
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# Copyright 2018-2019 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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"""Post-processing modules"""
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import importlib
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import logging
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modules = [
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"classify",
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"exec",
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"metadata",
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"ugoira",
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"zip",
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]
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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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klass = None
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try:
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if name in modules: # prevent unwanted imports
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module = importlib.import_module("." + name, __package__)
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klass = module.__postprocessor__
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except (ImportError, AttributeError, TypeError):
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pass
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_cache[name] = klass
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return klass
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# --------------------------------------------------------------------
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# internals
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_cache = {}
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