mirror of
https://github.com/beetbox/beets.git
synced 2025-12-06 16:42:42 +01:00
a6e5201ff3
This is 'the big one', which touches every file so that it all conforms to the given standard.
92 lines
3.1 KiB
Python
92 lines
3.1 KiB
Python
# This file is part of beets.
|
|
# Copyright 2023, Max Rumpf.
|
|
#
|
|
# 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.
|
|
|
|
"""Plugin to rewrite fields based on a given query."""
|
|
|
|
import shlex
|
|
from collections import defaultdict
|
|
|
|
import confuse
|
|
|
|
from beets import ui
|
|
from beets.dbcore import AndQuery, query_from_strings
|
|
from beets.library import Album, Item
|
|
from beets.plugins import BeetsPlugin
|
|
|
|
|
|
def rewriter(field, rules):
|
|
"""Template field function factory.
|
|
|
|
Create a template field function that rewrites the given field
|
|
with the given rewriting rules.
|
|
``rules`` must be a list of (query, replacement) pairs.
|
|
"""
|
|
|
|
def fieldfunc(item):
|
|
value = item._values_fixed[field]
|
|
for query, replacement in rules:
|
|
if query.match(item):
|
|
# Rewrite activated.
|
|
return replacement
|
|
# Not activated; return original value.
|
|
return value
|
|
|
|
return fieldfunc
|
|
|
|
|
|
class AdvancedRewritePlugin(BeetsPlugin):
|
|
"""Plugin to rewrite fields based on a given query."""
|
|
|
|
def __init__(self):
|
|
"""Parse configuration and register template fields for rewriting."""
|
|
super().__init__()
|
|
|
|
template = confuse.Sequence(
|
|
{
|
|
"match": str,
|
|
"field": str,
|
|
"replacement": str,
|
|
}
|
|
)
|
|
|
|
# Gather all the rewrite rules for each field.
|
|
rules = defaultdict(list)
|
|
for rule in self.config.get(template):
|
|
query = query_from_strings(
|
|
AndQuery,
|
|
Item,
|
|
prefixes={},
|
|
query_parts=shlex.split(rule["match"]),
|
|
)
|
|
fieldname = rule["field"]
|
|
replacement = rule["replacement"]
|
|
if fieldname not in Item._fields:
|
|
raise ui.UserError(
|
|
"invalid field name (%s) in rewriter" % fieldname
|
|
)
|
|
self._log.debug(
|
|
"adding template field {0} → {1}", fieldname, replacement
|
|
)
|
|
rules[fieldname].append((query, replacement))
|
|
if fieldname == "artist":
|
|
# Special case for the artist field: apply the same
|
|
# rewrite for "albumartist" as well.
|
|
rules["albumartist"].append((query, replacement))
|
|
|
|
# Replace each template field with the new rewriter function.
|
|
for fieldname, fieldrules in rules.items():
|
|
getter = rewriter(fieldname, fieldrules)
|
|
self.template_fields[fieldname] = getter
|
|
if fieldname in Album._fields:
|
|
self.album_template_fields[fieldname] = getter
|