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# This file is part of beets.
# Copyright 2016, Philippe Mongeau.
# Copyright 2021, Graham R. Cobb.
#
# Permission is hereby granted, free of charge, to any person obtaining
# a copy of this software and ascociated 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.
#
# This module is adapted from Fuzzy in accordance to the licence of
# that module
"""Provides a bare-ASCII matching query."""
from beets import ui
from beets.ui import print_, decargs
from beets.plugins import BeetsPlugin
from beets.dbcore.database import add_db_function
from beets.dbcore.query import StringFieldQuery
from unidecode import unidecode
class BareascQuery(StringFieldQuery):
"""Compare items using bare ASCII, without accents etc."""
@classmethod
def string_match(cls, pattern, val):
"""Convert both pattern and string to plain ASCII before matching.
If pattern is all lower case, also convert string to lower case so
match is also case insensitive
"""
# smartcase
if pattern.islower():
val = val.lower()
pattern = unidecode(pattern)
val = unidecode(val)
return pattern in val
@staticmethod
@add_db_function(name="unidecode")
def _unidecode(value):
return unidecode(value)
def col_clause(self):
"""Compare ascii version of the pattern."""
clause = f"unidecode({self.field})"
if self.pattern.islower():
clause = f"lower({clause})"
return rf"{clause} LIKE ? ESCAPE '\'", [f"%{unidecode(self.pattern)}%"]
class BareascPlugin(BeetsPlugin):
"""Plugin to provide bare-ASCII option for beets matching."""
def __init__(self):
"""Default prefix for selecting bare-ASCII matching is #."""
super().__init__()
self.config.add({
'prefix': '#',
})
def queries(self):
"""Register bare-ASCII matching."""
prefix = self.config['prefix'].as_str()
return {prefix: BareascQuery}
def commands(self):
"""Add bareasc command as unidecode version of 'list'."""
cmd = ui.Subcommand('bareasc',
help='unidecode version of beet list command')
cmd.parser.usage += "\n" \
'Example: %prog -f \'$album: $title\' artist:beatles'
cmd.parser.add_all_common_options()
cmd.func = self.unidecode_list
return [cmd]
def unidecode_list(self, lib, opts, args):
"""Emulate normal 'list' command but with unidecode output."""
query = decargs(args)
album = opts.album
# Copied from commands.py - list_items
if album:
for album in lib.albums(query):
bare = unidecode(str(album))
print_(bare)
else:
for item in lib.items(query):
bare = unidecode(str(item))
print_(bare)
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