beets / beetsplug /

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# This file is part of beets.
# Copyright 2013, Blemjhoo Tezoulbr <>.
# Permission is hereby granted, free of charge, to any person obtaining
# a copy of this software and associated documentation files (the
# "Software"), to deal in the Software without restriction, including
# without limitation the rights to use, copy, modify, merge, publish,
# distribute, sublicense, and/or sell copies of the Software, and to
# permit persons to whom the Software is furnished to do so, subject to
# the following conditions:
# The above copyright notice and this permission notice shall be
# included in all copies or substantial portions of the Software.

"""Moves patterns in path formats (suitable for moving articles)."""

import re
import logging
from beets.plugins import BeetsPlugin

__author__ = ''
__version__ = '1.1'

PATTERN_THE = u'^[the]{3}\s'
PATTERN_A = u'^[a][n]?\s'
FORMAT = u'{0}, {1}'

class ThePlugin(BeetsPlugin):

    _instance = None
    _log = logging.getLogger('beets')

    the = True
    a = True
    format = u''
    strip = False
    patterns = []

    def __init__(self):
        super(ThePlugin, self).__init__()

        self.template_funcs['the'] = self.the_template_func

            'the': True,
            'a': True,
            'format': u'{0}, {1}',
            'strip': False,
            'patterns': [],

        self.patterns = self.config['patterns'].as_str_seq()
        for p in self.patterns:
            if p:
                except re.error:
                    self._log.error(u'[the] invalid pattern: {0}'.format(p))
                    if not (p.startswith('^') or p.endswith('$')):
                        self._log.warn(u'[the] warning: \"{0}\" will not '
                                       'match string start/end'.format(p))
        if self.config['a']:
            self.patterns = [PATTERN_A] + self.patterns
        if self.config['the']:
            self.patterns = [PATTERN_THE] + self.patterns
        if not self.patterns:
            self._log.warn(u'[the] no patterns defined!')

    def unthe(self, text, pattern):
        """Moves pattern in the path format string or strips it

        text -- text to handle
        pattern -- regexp pattern (case ignore is already on)
        strip -- if True, pattern will be removed

        if text:
            r = re.compile(pattern, flags=re.IGNORECASE)
                t = r.findall(text)[0]
            except IndexError:
                return text
                r = re.sub(r, '', text).strip()
                if self.config['strip']:
                    return r
                    fmt = self.config['format'].get(unicode)
                    return fmt.format(r, t.strip()).strip()
            return u''

    def the_template_func(self, text):
        if not self.patterns:
            return text
        if text:
            for p in self.patterns:
                r = self.unthe(text, p)
                if r != text:
            self._log.debug(u'[the] \"{0}\" -> \"{1}\"'.format(text, r))
            return r
            return u''