mirror of
https://github.com/spl0k/supysonic.git
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76 lines
2.8 KiB
Python
76 lines
2.8 KiB
Python
# -*- coding: utf-8 -*-
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# vim:fenc=utf-8
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#
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# This file is part of Supysonic.
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# Supysonic is a Python implementation of the Subsonic server API.
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#
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# Copyright (C) 2017 Alban 'spl0k' Féron
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#
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# Distributed under terms of the GNU AGPLv3 license.
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# Converts ids from hex-encoded strings to binary data
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import argparse
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try:
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import MySQLdb as provider
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except ImportError:
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import pymysql as provider
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from uuid import UUID
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from warnings import filterwarnings
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parser = argparse.ArgumentParser()
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parser.add_argument('username')
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parser.add_argument('password')
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parser.add_argument('database')
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parser.add_argument('-H', '--host', default = 'localhost', help = 'default: localhost')
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args = parser.parse_args()
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def process_table(connection, table, fields, nullable_fields = ()):
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to_update = { field: set() for field in fields + nullable_fields }
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c = connection.cursor()
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c.execute('SELECT {1} FROM {0}'.format(table, ','.join(fields + nullable_fields)))
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for row in c:
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for field, value in zip(fields + nullable_fields, row):
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if value is None or not isinstance(value, basestring):
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continue
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to_update[field].add(value)
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for field, values in to_update.iteritems():
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if not values:
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continue
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sql = 'UPDATE {0} SET {1}=%s WHERE {1}=%s'.format(table, field)
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c.executemany(sql, map(lambda v: (UUID(v).bytes, v), values))
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for field in fields:
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sql = 'ALTER TABLE {0} MODIFY {1} BINARY(16) NOT NULL'.format(table, field)
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c.execute(sql)
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for field in nullable_fields:
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sql = 'ALTER TABLE {0} MODIFY {1} BINARY(16)'.format(table, field)
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c.execute(sql)
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connection.commit()
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filterwarnings('ignore', category = provider.Warning)
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conn = provider.connect(host = args.host, user = args.username, passwd = args.password, db = args.database)
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conn.cursor().execute('SET FOREIGN_KEY_CHECKS = 0')
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process_table(conn, 'folder', ('id',), ('parent_id',))
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process_table(conn, 'artist', ('id',))
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process_table(conn, 'album', ('id', 'artist_id'))
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process_table(conn, 'track', ('id', 'album_id', 'artist_id', 'root_folder_id', 'folder_id'))
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process_table(conn, 'user', ('id',), ('last_play_id',))
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process_table(conn, 'client_prefs', ('user_id',))
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process_table(conn, 'starred_folder', ('user_id', 'starred_id'))
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process_table(conn, 'starred_artist', ('user_id', 'starred_id'))
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process_table(conn, 'starred_album', ('user_id', 'starred_id'))
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process_table(conn, 'starred_track', ('user_id', 'starred_id'))
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process_table(conn, 'rating_folder', ('user_id', 'rated_id'))
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process_table(conn, 'rating_track', ('user_id', 'rated_id'))
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process_table(conn, 'chat_message', ('id', 'user_id'))
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process_table(conn, 'playlist', ('id', 'user_id'))
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conn.cursor().execute('SET FOREIGN_KEY_CHECKS = 1')
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conn.close()
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