mirror of
https://github.com/spl0k/supysonic.git
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56 lines
2.0 KiB
Python
56 lines
2.0 KiB
Python
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# -*- 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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import sqlite3
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from uuid import UUID
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parser = argparse.ArgumentParser()
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parser.add_argument('dbfile', help = 'Path to the SQLite database file')
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args = parser.parse_args()
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def process_table(connection, table, fields):
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to_update = { field: set() for field in fields }
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c = connection.cursor()
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for row in c.execute('SELECT {1} FROM {0}'.format(table, ','.join(fields))):
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for field, value in zip(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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sql = 'UPDATE {0} SET {1}=? WHERE {1}=?'.format(table, field)
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c.executemany(sql, map(lambda v: (buffer(UUID(v).bytes), v), values))
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connection.commit()
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with sqlite3.connect(args.dbfile) as conn:
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conn.cursor().execute('PRAGMA foreign_keys = OFF')
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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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