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98 lines
3.1 KiB
Python
98 lines
3.1 KiB
Python
# This file is part of beets.
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# Copyright 2016, Blemjhoo Tezoulbr <baobab@heresiarch.info>.
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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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"""Moves patterns in path formats (suitable for moving articles)."""
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import re
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from beets.plugins import BeetsPlugin
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__author__ = 'baobab@heresiarch.info'
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__version__ = '1.1'
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PATTERN_THE = '^the\\s'
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PATTERN_A = '^[a][n]?\\s'
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FORMAT = '{0}, {1}'
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class ThePlugin(BeetsPlugin):
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patterns = []
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def __init__(self):
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super().__init__()
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self.template_funcs['the'] = self.the_template_func
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self.config.add({
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'the': True,
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'a': True,
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'format': '{0}, {1}',
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'strip': False,
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'patterns': [],
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})
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self.patterns = self.config['patterns'].as_str_seq()
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for p in self.patterns:
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if p:
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try:
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re.compile(p)
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except re.error:
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self._log.error('invalid pattern: {0}', p)
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else:
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if not (p.startswith('^') or p.endswith('$')):
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self._log.warning('warning: \"{0}\" will not '
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'match string start/end', p)
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if self.config['a']:
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self.patterns = [PATTERN_A] + self.patterns
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if self.config['the']:
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self.patterns = [PATTERN_THE] + self.patterns
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if not self.patterns:
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self._log.warning('no patterns defined!')
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def unthe(self, text, pattern):
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"""Moves pattern in the path format string or strips it
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text -- text to handle
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pattern -- regexp pattern (case ignore is already on)
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strip -- if True, pattern will be removed
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"""
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if text:
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r = re.compile(pattern, flags=re.IGNORECASE)
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try:
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t = r.findall(text)[0]
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except IndexError:
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return text
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else:
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r = re.sub(r, '', text).strip()
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if self.config['strip']:
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return r
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else:
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fmt = self.config['format'].as_str()
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return fmt.format(r, t.strip()).strip()
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else:
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return ''
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def the_template_func(self, text):
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if not self.patterns:
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return text
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if text:
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for p in self.patterns:
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r = self.unthe(text, p)
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if r != text:
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self._log.debug('\"{0}\" -> \"{1}\"', text, r)
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break
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return r
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else:
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return ''
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