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45 lines
1.6 KiB
Python
45 lines
1.6 KiB
Python
# This file is part of beets.
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# Copyright 2023, Daniele Ferone.
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#
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# Permission is hereby granted, free of charge, to any person obtaining
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# a copy of this software and associated documentation files (the
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# "Software"), to deal in the Software without restriction, including
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# without limitation the rights to use, copy, modify, merge, publish,
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# distribute, sublicense, and/or sell copies of the Software, and to
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# permit persons to whom the Software is furnished to do so, subject to
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# the following conditions:
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#
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# The above copyright notice and this permission notice shall be
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# included in all copies or substantial portions of the Software.
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"""Uses user-specified substitution rules to canonicalize names for path
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formats.
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"""
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from beets.plugins import BeetsPlugin
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import re
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class Substitute(BeetsPlugin):
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"""Create a template field function that subsitute the given field
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with the given substitution rules. ``rules`` must be a list of
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(pattern, replacement) pairs.
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"""
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def tmpl_substitute(self, text):
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if text:
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for pattern, replacement in self.substitute_rules:
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if pattern.match(text.lower()):
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return replacement
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return text
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else:
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return u''
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def __init__(self):
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super(Substitute, self).__init__()
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self.substitute_rules = []
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self.template_funcs['substitute'] = self.tmpl_substitute
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for key, view in self.config.items():
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value = view.as_str()
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pattern = re.compile(key.lower())
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self.substitute_rules.append((pattern, value))
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