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library.py
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library.py
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# -*- coding: utf-8 -*-
# This file is part of beets.
# Copyright 2016, Adrian Sampson.
#
# 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.
"""The core data store and collection logic for beets.
"""
from __future__ import division, absolute_import, print_function
import os
import sys
import unicodedata
import time
import re
import six
import string
from beets import logging
from beets.mediafile import MediaFile, UnreadableFileError
from beets import plugins
from beets import util
from beets.util import bytestring_path, syspath, normpath, samefile, \
MoveOperation, lazy_property
from beets.util.functemplate import template, Template
from beets import dbcore
from beets.dbcore import types
import beets
# To use the SQLite "blob" type, it doesn't suffice to provide a byte
# string; SQLite treats that as encoded text. Wrapping it in a `buffer` or a
# `memoryview`, depending on the Python version, tells it that we
# actually mean non-text data.
if six.PY2:
BLOB_TYPE = buffer # noqa: F821
else:
BLOB_TYPE = memoryview
log = logging.getLogger('beets')
# Library-specific query types.
class PathQuery(dbcore.FieldQuery):
"""A query that matches all items under a given path.
Matching can either be case-insensitive or case-sensitive. By
default, the behavior depends on the OS: case-insensitive on Windows
and case-sensitive otherwise.
"""
def __init__(self, field, pattern, fast=True, case_sensitive=None):
"""Create a path query. `pattern` must be a path, either to a
file or a directory.
`case_sensitive` can be a bool or `None`, indicating that the
behavior should depend on the filesystem.
"""
super(PathQuery, self).__init__(field, pattern, fast)
# By default, the case sensitivity depends on the filesystem
# that the query path is located on.
if case_sensitive is None:
path = util.bytestring_path(util.normpath(pattern))
case_sensitive = beets.util.case_sensitive(path)
self.case_sensitive = case_sensitive
# Use a normalized-case pattern for case-insensitive matches.
if not case_sensitive:
pattern = pattern.lower()
# Match the path as a single file.
self.file_path = util.bytestring_path(util.normpath(pattern))
# As a directory (prefix).
self.dir_path = util.bytestring_path(os.path.join(self.file_path, b''))
@classmethod
def is_path_query(cls, query_part):
"""Try to guess whether a unicode query part is a path query.
Condition: separator precedes colon and the file exists.
"""
colon = query_part.find(':')
if colon != -1:
query_part = query_part[:colon]
# Test both `sep` and `altsep` (i.e., both slash and backslash on
# Windows).
return (
(os.sep in query_part or
(os.altsep and os.altsep in query_part)) and
os.path.exists(syspath(normpath(query_part)))
)
def match(self, item):
path = item.path if self.case_sensitive else item.path.lower()
return (path == self.file_path) or path.startswith(self.dir_path)
def col_clause(self):
file_blob = BLOB_TYPE(self.file_path)
dir_blob = BLOB_TYPE(self.dir_path)
if self.case_sensitive:
query_part = '({0} = ?) || (substr({0}, 1, ?) = ?)'
else:
query_part = '(BYTELOWER({0}) = BYTELOWER(?)) || \
(substr(BYTELOWER({0}), 1, ?) = BYTELOWER(?))'
return query_part.format(self.field), \
(file_blob, len(dir_blob), dir_blob)
# Library-specific field types.
class DateType(types.Float):
# TODO representation should be `datetime` object
# TODO distinguish between date and time types
query = dbcore.query.DateQuery
def format(self, value):
return time.strftime(beets.config['time_format'].as_str(),
time.localtime(value or 0))
def parse(self, string):
try:
# Try a formatted date string.
return time.mktime(
time.strptime(string,
beets.config['time_format'].as_str())
)
except ValueError:
# Fall back to a plain timestamp number.
try:
return float(string)
except ValueError:
return self.null
class PathType(types.Type):
"""A dbcore type for filesystem paths. These are represented as
`bytes` objects, in keeping with the Unix filesystem abstraction.
"""
sql = u'BLOB'
query = PathQuery
model_type = bytes
def __init__(self, nullable=False):
"""Create a path type object. `nullable` controls whether the
type may be missing, i.e., None.
"""
self.nullable = nullable
@property
def null(self):
if self.nullable:
return None
else:
return b''
def format(self, value):
return util.displayable_path(value)
def parse(self, string):
return normpath(bytestring_path(string))
def normalize(self, value):
if isinstance(value, six.text_type):
# Paths stored internally as encoded bytes.
return bytestring_path(value)
elif isinstance(value, BLOB_TYPE):
# We unwrap buffers to bytes.
return bytes(value)
else:
return value
def from_sql(self, sql_value):
return self.normalize(sql_value)
def to_sql(self, value):
if isinstance(value, bytes):
value = BLOB_TYPE(value)
return value
class MusicalKey(types.String):
"""String representing the musical key of a song.
The standard format is C, Cm, C#, C#m, etc.
"""
ENHARMONIC = {
r'db': 'c#',
r'eb': 'd#',
r'gb': 'f#',
r'ab': 'g#',
r'bb': 'a#',
}
null = None
def parse(self, key):
key = key.lower()
for flat, sharp in self.ENHARMONIC.items():
key = re.sub(flat, sharp, key)
key = re.sub(r'[\W\s]+minor', 'm', key)
key = re.sub(r'[\W\s]+major', '', key)
return key.capitalize()
def normalize(self, key):
if key is None:
return None
else:
return self.parse(key)
class DurationType(types.Float):
"""Human-friendly (M:SS) representation of a time interval."""
query = dbcore.query.DurationQuery
def format(self, value):
if not beets.config['format_raw_length'].get(bool):
return beets.ui.human_seconds_short(value or 0.0)
else:
return value
def parse(self, string):
try:
# Try to format back hh:ss to seconds.
return util.raw_seconds_short(string)
except ValueError:
# Fall back to a plain float.
try:
return float(string)
except ValueError:
return self.null
# Library-specific sort types.
class SmartArtistSort(dbcore.query.Sort):
"""Sort by artist (either album artist or track artist),
prioritizing the sort field over the raw field.
"""
def __init__(self, model_cls, ascending=True, case_insensitive=True):
self.album = model_cls is Album
self.ascending = ascending
self.case_insensitive = case_insensitive
def order_clause(self):
order = "ASC" if self.ascending else "DESC"
field = 'albumartist' if self.album else 'artist'
collate = 'COLLATE NOCASE' if self.case_insensitive else ''
return ('(CASE {0}_sort WHEN NULL THEN {0} '
'WHEN "" THEN {0} '
'ELSE {0}_sort END) {1} {2}').format(field, collate, order)
def sort(self, objs):
if self.album:
field = lambda a: a.albumartist_sort or a.albumartist
else:
field = lambda i: i.artist_sort or i.artist
if self.case_insensitive:
key = lambda x: field(x).lower()
else:
key = field
return sorted(objs, key=key, reverse=not self.ascending)
# Special path format key.
PF_KEY_DEFAULT = 'default'
# Exceptions.
@six.python_2_unicode_compatible
class FileOperationError(Exception):
"""Indicates an error when interacting with a file on disk.
Possibilities include an unsupported media type, a permissions
error, and an unhandled Mutagen exception.
"""
def __init__(self, path, reason):
"""Create an exception describing an operation on the file at
`path` with the underlying (chained) exception `reason`.
"""
super(FileOperationError, self).__init__(path, reason)
self.path = path
self.reason = reason
def text(self):
"""Get a string representing the error. Describes both the
underlying reason and the file path in question.
"""
return u'{0}: {1}'.format(
util.displayable_path(self.path),
six.text_type(self.reason)
)
# define __str__ as text to avoid infinite loop on super() calls
# with @six.python_2_unicode_compatible
__str__ = text
@six.python_2_unicode_compatible
class ReadError(FileOperationError):
"""An error while reading a file (i.e. in `Item.read`).
"""
def __str__(self):
return u'error reading ' + super(ReadError, self).text()
@six.python_2_unicode_compatible
class WriteError(FileOperationError):
"""An error while writing a file (i.e. in `Item.write`).
"""
def __str__(self):
return u'error writing ' + super(WriteError, self).text()
# Item and Album model classes.
@six.python_2_unicode_compatible
class LibModel(dbcore.Model):
"""Shared concrete functionality for Items and Albums.
"""
_format_config_key = None
"""Config key that specifies how an instance should be formatted.
"""
def _template_funcs(self):
funcs = DefaultTemplateFunctions(self, self._db).functions()
funcs.update(plugins.template_funcs())
return funcs
def store(self, fields=None):
super(LibModel, self).store(fields)
plugins.send('database_change', lib=self._db, model=self)
def remove(self):
super(LibModel, self).remove()
plugins.send('database_change', lib=self._db, model=self)
def add(self, lib=None):
super(LibModel, self).add(lib)
plugins.send('database_change', lib=self._db, model=self)
def __format__(self, spec):
if not spec:
spec = beets.config[self._format_config_key].as_str()
assert isinstance(spec, six.text_type)
return self.evaluate_template(spec)
def __str__(self):
return format(self)
def __bytes__(self):
return self.__str__().encode('utf-8')
class FormattedItemMapping(dbcore.db.FormattedMapping):
"""Add lookup for album-level fields.
Album-level fields take precedence if `for_path` is true.
"""
def __init__(self, item, for_path=False):
super(FormattedItemMapping, self).__init__(item, for_path)
self.item = item
@lazy_property
def all_keys(self):
return set(self.model_keys).union(self.album_keys)
@lazy_property
def album_keys(self):
album_keys = []
if self.album:
for key in self.album.keys(True):
if key in Album.item_keys \
or key not in self.item._fields.keys():
album_keys.append(key)
return album_keys
@lazy_property
def album(self):
return self.item.get_album()
def _get(self, key):
"""Get the value for a key, either from the album or the item.
Raise a KeyError for invalid keys.
"""
if self.for_path and key in self.album_keys:
return self._get_formatted(self.album, key)
elif key in self.model_keys:
return self._get_formatted(self.model, key)
elif key in self.album_keys:
return self._get_formatted(self.album, key)
else:
raise KeyError(key)
def __getitem__(self, key):
"""Get the value for a key. Certain unset values are remapped.
"""
value = self._get(key)
# `artist` and `albumartist` fields fall back to one another.
# This is helpful in path formats when the album artist is unset
# on as-is imports.
if key == 'artist' and not value:
return self._get('albumartist')
elif key == 'albumartist' and not value:
return self._get('artist')
else:
return value
def __iter__(self):
return iter(self.all_keys)
def __len__(self):
return len(self.all_keys)
class Item(LibModel):
_table = 'items'
_flex_table = 'item_attributes'
_fields = {
'id': types.PRIMARY_ID,
'path': PathType(),
'album_id': types.FOREIGN_ID,
'title': types.STRING,
'artist': types.STRING,
'artist_sort': types.STRING,
'artist_credit': types.STRING,
'album': types.STRING,
'albumartist': types.STRING,
'albumartist_sort': types.STRING,
'albumartist_credit': types.STRING,
'genre': types.STRING,
'lyricist': types.STRING,
'composer': types.STRING,
'composer_sort': types.STRING,
'arranger': types.STRING,
'grouping': types.STRING,
'year': types.PaddedInt(4),
'month': types.PaddedInt(2),
'day': types.PaddedInt(2),
'track': types.PaddedInt(2),
'tracktotal': types.PaddedInt(2),
'disc': types.PaddedInt(2),
'disctotal': types.PaddedInt(2),
'lyrics': types.STRING,
'comments': types.STRING,
'bpm': types.INTEGER,
'comp': types.BOOLEAN,
'mb_trackid': types.STRING,
'mb_albumid': types.STRING,
'mb_artistid': types.STRING,
'mb_albumartistid': types.STRING,
'mb_releasetrackid': types.STRING,
'albumtype': types.STRING,
'label': types.STRING,
'acoustid_fingerprint': types.STRING,
'acoustid_id': types.STRING,
'mb_releasegroupid': types.STRING,
'asin': types.STRING,
'catalognum': types.STRING,
'script': types.STRING,
'language': types.STRING,
'country': types.STRING,
'albumstatus': types.STRING,
'media': types.STRING,
'albumdisambig': types.STRING,
'releasegroupdisambig': types.STRING,
'disctitle': types.STRING,
'encoder': types.STRING,
'rg_track_gain': types.NULL_FLOAT,
'rg_track_peak': types.NULL_FLOAT,
'rg_album_gain': types.NULL_FLOAT,
'rg_album_peak': types.NULL_FLOAT,
'r128_track_gain': types.NullPaddedInt(6),
'r128_album_gain': types.NullPaddedInt(6),
'original_year': types.PaddedInt(4),
'original_month': types.PaddedInt(2),
'original_day': types.PaddedInt(2),
'initial_key': MusicalKey(),
'length': DurationType(),
'bitrate': types.ScaledInt(1000, u'kbps'),
'format': types.STRING,
'samplerate': types.ScaledInt(1000, u'kHz'),
'bitdepth': types.INTEGER,
'channels': types.INTEGER,
'mtime': DateType(),
'added': DateType(),
}
_search_fields = ('artist', 'title', 'comments',
'album', 'albumartist', 'genre')
_types = {
'data_source': types.STRING,
}
_media_fields = set(MediaFile.readable_fields()) \
.intersection(_fields.keys())
"""Set of item fields that are backed by `MediaFile` fields.
Any kind of field (fixed, flexible, and computed) may be a media
field. Only these fields are read from disk in `read` and written in
`write`.
"""
_media_tag_fields = set(MediaFile.fields()).intersection(_fields.keys())
"""Set of item fields that are backed by *writable* `MediaFile` tag
fields.
This excludes fields that represent audio data, such as `bitrate` or
`length`.
"""
_formatter = FormattedItemMapping
_sorts = {'artist': SmartArtistSort}
_format_config_key = 'format_item'
@classmethod
def _getters(cls):
getters = plugins.item_field_getters()
getters['singleton'] = lambda i: i.album_id is None
getters['filesize'] = Item.try_filesize # In bytes.
return getters
@classmethod
def from_path(cls, path):
"""Creates a new item from the media file at the specified path.
"""
# Initiate with values that aren't read from files.
i = cls(album_id=None)
i.read(path)
i.mtime = i.current_mtime() # Initial mtime.
return i
def __setitem__(self, key, value):
"""Set the item's value for a standard field or a flexattr.
"""
# Encode unicode paths and read buffers.
if key == 'path':
if isinstance(value, six.text_type):
value = bytestring_path(value)
elif isinstance(value, BLOB_TYPE):
value = bytes(value)
changed = super(Item, self)._setitem(key, value)
if changed and key in MediaFile.fields():
self.mtime = 0 # Reset mtime on dirty.
def update(self, values):
"""Set all key/value pairs in the mapping. If mtime is
specified, it is not reset (as it might otherwise be).
"""
super(Item, self).update(values)
if self.mtime == 0 and 'mtime' in values:
self.mtime = values['mtime']
def clear(self):
"""Set all key/value pairs to None."""
for key in self._media_tag_fields:
setattr(self, key, None)
def get_album(self):
"""Get the Album object that this item belongs to, if any, or
None if the item is a singleton or is not associated with a
library.
"""
if not self._db:
return None
return self._db.get_album(self)
# Interaction with file metadata.
def read(self, read_path=None):
"""Read the metadata from the associated file.
If `read_path` is specified, read metadata from that file
instead. Updates all the properties in `_media_fields`
from the media file.
Raises a `ReadError` if the file could not be read.
"""
if read_path is None:
read_path = self.path
else:
read_path = normpath(read_path)
try:
mediafile = MediaFile(syspath(read_path))
except UnreadableFileError as exc:
raise ReadError(read_path, exc)
for key in self._media_fields:
value = getattr(mediafile, key)
if isinstance(value, six.integer_types):
if value.bit_length() > 63:
value = 0
self[key] = value
# Database's mtime should now reflect the on-disk value.
if read_path == self.path:
self.mtime = self.current_mtime()
self.path = read_path
def write(self, path=None, tags=None, id3v23=None):
"""Write the item's metadata to a media file.
All fields in `_media_fields` are written to disk according to
the values on this object.
`path` is the path of the mediafile to write the data to. It
defaults to the item's path.
`tags` is a dictionary of additional metadata the should be
written to the file. (These tags need not be in `_media_fields`.)
`id3v23` will override the global `id3v23` config option if it is
set to something other than `None`.
Can raise either a `ReadError` or a `WriteError`.
"""
if path is None:
path = self.path
else:
path = normpath(path)
if id3v23 is None:
id3v23 = beets.config['id3v23'].get(bool)
# Get the data to write to the file.
item_tags = dict(self)
item_tags = {k: v for k, v in item_tags.items()
if k in self._media_fields} # Only write media fields.
if tags is not None:
item_tags.update(tags)
plugins.send('write', item=self, path=path, tags=item_tags)
# Open the file.
try:
mediafile = MediaFile(syspath(path), id3v23=id3v23)
except UnreadableFileError as exc:
raise ReadError(path, exc)
# Write the tags to the file.
mediafile.update(item_tags)
try:
mediafile.save()
except UnreadableFileError as exc:
raise WriteError(self.path, exc)
# The file has a new mtime.
if path == self.path:
self.mtime = self.current_mtime()
plugins.send('after_write', item=self, path=path)
def try_write(self, *args, **kwargs):
"""Calls `write()` but catches and logs `FileOperationError`
exceptions.
Returns `False` an exception was caught and `True` otherwise.
"""
try:
self.write(*args, **kwargs)
return True
except FileOperationError as exc:
log.error(u"{0}", exc)
return False
def try_sync(self, write, move, with_album=True):
"""Synchronize the item with the database and, possibly, updates its
tags on disk and its path (by moving the file).
`write` indicates whether to write new tags into the file. Similarly,
`move` controls whether the path should be updated. In the
latter case, files are *only* moved when they are inside their
library's directory (if any).
Similar to calling :meth:`write`, :meth:`move`, and :meth:`store`
(conditionally).
"""
if write:
self.try_write()
if move:
# Check whether this file is inside the library directory.
if self._db and self._db.directory in util.ancestry(self.path):
log.debug(u'moving {0} to synchronize path',
util.displayable_path(self.path))
self.move(with_album=with_album)
self.store()
# Files themselves.
def move_file(self, dest, operation=MoveOperation.MOVE):
"""Move, copy, link or hardlink the item's depending on `operation`,
updating the path value if the move succeeds.
If a file exists at `dest`, then it is slightly modified to be unique.
`operation` should be an instance of `util.MoveOperation`.
"""
if not util.samefile(self.path, dest):
dest = util.unique_path(dest)
if operation == MoveOperation.MOVE:
plugins.send("before_item_moved", item=self, source=self.path,
destination=dest)
util.move(self.path, dest)
plugins.send("item_moved", item=self, source=self.path,
destination=dest)
elif operation == MoveOperation.COPY:
util.copy(self.path, dest)
plugins.send("item_copied", item=self, source=self.path,
destination=dest)
elif operation == MoveOperation.LINK:
util.link(self.path, dest)
plugins.send("item_linked", item=self, source=self.path,
destination=dest)
elif operation == MoveOperation.HARDLINK:
util.hardlink(self.path, dest)
plugins.send("item_hardlinked", item=self, source=self.path,
destination=dest)
# Either copying or moving succeeded, so update the stored path.
self.path = dest
def current_mtime(self):
"""Returns the current mtime of the file, rounded to the nearest
integer.
"""
return int(os.path.getmtime(syspath(self.path)))
def try_filesize(self):
"""Get the size of the underlying file in bytes.
If the file is missing, return 0 (and log a warning).
"""
try:
return os.path.getsize(syspath(self.path))
except (OSError, Exception) as exc:
log.warning(u'could not get filesize: {0}', exc)
return 0
# Model methods.
def remove(self, delete=False, with_album=True):
"""Removes the item. If `delete`, then the associated file is
removed from disk. If `with_album`, then the item's album (if
any) is removed if it the item was the last in the album.
"""
super(Item, self).remove()
# Remove the album if it is empty.
if with_album:
album = self.get_album()
if album and not album.items():
album.remove(delete, False)
# Send a 'item_removed' signal to plugins
plugins.send('item_removed', item=self)
# Delete the associated file.
if delete:
util.remove(self.path)
util.prune_dirs(os.path.dirname(self.path), self._db.directory)
self._db._memotable = {}
def move(self, operation=MoveOperation.MOVE, basedir=None,
with_album=True, store=True):
"""Move the item to its designated location within the library
directory (provided by destination()). Subdirectories are
created as needed. If the operation succeeds, the item's path
field is updated to reflect the new location.
Instead of moving the item it can also be copied, linked or hardlinked
depending on `operation` which should be an instance of
`util.MoveOperation`.
`basedir` overrides the library base directory for the destination.
If the item is in an album and `with_album` is `True`, the album is
given an opportunity to move its art.
By default, the item is stored to the database if it is in the
database, so any dirty fields prior to the move() call will be written
as a side effect.
If `store` is `False` however, the item won't be stored and you'll
have to manually store it after invoking this method.
"""
self._check_db()
dest = self.destination(basedir=basedir)
# Create necessary ancestry for the move.
util.mkdirall(dest)
# Perform the move and store the change.
old_path = self.path
self.move_file(dest, operation)
if store:
self.store()
# If this item is in an album, move its art.
if with_album:
album = self.get_album()
if album:
album.move_art(operation)
if store:
album.store()
# Prune vacated directory.
if operation == MoveOperation.MOVE:
util.prune_dirs(os.path.dirname(old_path), self._db.directory)
# Templating.
def destination(self, fragment=False, basedir=None, platform=None,
path_formats=None):
"""Returns the path in the library directory designated for the
item (i.e., where the file ought to be). fragment makes this
method return just the path fragment underneath the root library
directory; the path is also returned as Unicode instead of
encoded as a bytestring. basedir can override the library's base
directory for the destination.
"""
self._check_db()
platform = platform or sys.platform
basedir = basedir or self._db.directory
path_formats = path_formats or self._db.path_formats
# Use a path format based on a query, falling back on the
# default.
for query, path_format in path_formats:
if query == PF_KEY_DEFAULT:
continue
query, _ = parse_query_string(query, type(self))
if query.match(self):
# The query matches the item! Use the corresponding path
# format.
break
else:
# No query matched; fall back to default.
for query, path_format in path_formats:
if query == PF_KEY_DEFAULT:
break
else:
assert False, u"no default path format"
if isinstance(path_format, Template):
subpath_tmpl = path_format
else:
subpath_tmpl = template(path_format)
# Evaluate the selected template.
subpath = self.evaluate_template(subpath_tmpl, True)
# Prepare path for output: normalize Unicode characters.
if platform == 'darwin':
subpath = unicodedata.normalize('NFD', subpath)
else:
subpath = unicodedata.normalize('NFC', subpath)
if beets.config['asciify_paths']:
subpath = util.asciify_path(
subpath,
beets.config['path_sep_replace'].as_str()
)
maxlen = beets.config['max_filename_length'].get(int)
if not maxlen:
# When zero, try to determine from filesystem.
maxlen = util.max_filename_length(self._db.directory)
subpath, fellback = util.legalize_path(
subpath, self._db.replacements, maxlen,
os.path.splitext(self.path)[1], fragment
)
if fellback:
# Print an error message if legalization fell back to
# default replacements because of the maximum length.
log.warning(
u'Fell back to default replacements when naming '
u'file {}. Configure replacements to avoid lengthening '
u'the filename.',
subpath
)
if fragment:
return util.as_string(subpath)
else:
return normpath(os.path.join(basedir, subpath))
class Album(LibModel):
"""Provides access to information about albums stored in a
library. Reflects the library's "albums" table, including album
art.
"""
_table = 'albums'
_flex_table = 'album_attributes'
_always_dirty = True
_fields = {
'id': types.PRIMARY_ID,
'artpath': PathType(True),
'added': DateType(),
'albumartist': types.STRING,
'albumartist_sort': types.STRING,
'albumartist_credit': types.STRING,
'album': types.STRING,
'genre': types.STRING,
'year': types.PaddedInt(4),
'month': types.PaddedInt(2),
'day': types.PaddedInt(2),
'disctotal': types.PaddedInt(2),
'comp': types.BOOLEAN,
'mb_albumid': types.STRING,
'mb_albumartistid': types.STRING,
'albumtype': types.STRING,
'label': types.STRING,
'mb_releasegroupid': types.STRING,
'asin': types.STRING,
'catalognum': types.STRING,
'script': types.STRING,
'language': types.STRING,
'country': types.STRING,
'albumstatus': types.STRING,
'albumdisambig': types.STRING,
'releasegroupdisambig': types.STRING,
'rg_album_gain': types.NULL_FLOAT,
'rg_album_peak': types.NULL_FLOAT,
'r128_album_gain': types.NullPaddedInt(6),
'original_year': types.PaddedInt(4),
'original_month': types.PaddedInt(2),
'original_day': types.PaddedInt(2),
}
_search_fields = ('album', 'albumartist', 'genre')
_types = {
'path': PathType(),
'data_source': types.STRING,
}
_sorts = {
'albumartist': SmartArtistSort,
'artist': SmartArtistSort,
}
item_keys = [
'added',
'albumartist',
'albumartist_sort',
'albumartist_credit',
'album',
'genre',
'year',
'month',
'day',
'disctotal',
'comp',
'mb_albumid',
'mb_albumartistid',
'albumtype',
'label',
'mb_releasegroupid',
'asin',
'catalognum',
'script',
'language',
'country',
'albumstatus',
'albumdisambig',
'releasegroupdisambig',
'rg_album_gain',
'rg_album_peak',
'r128_album_gain',
'original_year',
'original_month',
'original_day',
]
"""List of keys that are set on an album's items.