120 lines
3.2 KiB
Python
120 lines
3.2 KiB
Python
import argparse
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import os
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import sqlite3
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import sys
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import bot
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import ycdl
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def upgrade_1_to_2(ycdldb):
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'''
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In this version, the duration column was added.
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'''
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ycdldb.sql.executescript('''
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ALTER TABLE videos RENAME TO videos_old;
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CREATE TABLE videos(
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id TEXT,
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published INT,
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author_id TEXT,
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title TEXT,
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description TEXT,
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duration INT,
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thumbnail TEXT,
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download TEXT
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);
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INSERT INTO videos SELECT
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id,
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published,
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author_id,
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title,
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description,
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NULL,
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thumbnail,
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download
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FROM videos_old;
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DROP TABLE videos_old;
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''')
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def upgrade_2_to_3(ycdldb):
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'''
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In this version, a column `automark` was added to the channels table, where
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you can set channels to automatically mark videos as ignored or downloaded.
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'''
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ycdldb.sql.execute('ALTER TABLE channels ADD COLUMN automark TEXT')
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def upgrade_3_to_4(ycdldb):
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'''
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In this version, the views column was added.
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'''
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ycdldb.sql.executescript('''
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ALTER TABLE videos RENAME TO videos_old;
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CREATE TABLE videos(
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id TEXT,
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published INT,
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author_id TEXT,
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title TEXT,
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description TEXT,
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duration INT,
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views INT,
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thumbnail TEXT,
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download TEXT
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);
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INSERT INTO videos SELECT
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id,
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published,
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author_id,
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title,
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description,
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duration,
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NULL,
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thumbnail,
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download
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FROM videos_old;
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DROP TABLE videos_old;
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''')
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def upgrade_all(data_directory):
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'''
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Given the directory containing a ycdl database, apply all of the
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needed upgrade_x_to_y functions in order.
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'''
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youtube = ycdl.ytapi.Youtube(bot.get_youtube_key())
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ycdldb = ycdl.ycdldb.YCDLDB(youtube, data_directory, skip_version_check=True)
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cur = ycdldb.sql.cursor()
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cur.execute('PRAGMA user_version')
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current_version = cur.fetchone()[0]
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needed_version = ycdl.constants.DATABASE_VERSION
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if current_version == needed_version:
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print('Already up to date with version %d.' % needed_version)
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return
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for version_number in range(current_version + 1, needed_version + 1):
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print('Upgrading from %d to %d.' % (current_version, version_number))
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upgrade_function = 'upgrade_%d_to_%d' % (current_version, version_number)
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upgrade_function = eval(upgrade_function)
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upgrade_function(ycdldb)
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ycdldb.sql.cursor().execute('PRAGMA user_version = %d' % version_number)
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ycdldb.commit()
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current_version = version_number
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print('Upgrades finished.')
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def upgrade_all_argparse(args):
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return upgrade_all(data_directory=args.data_directory)
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def main(argv):
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parser = argparse.ArgumentParser()
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parser.add_argument('data_directory')
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parser.set_defaults(func=upgrade_all_argparse)
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args = parser.parse_args(argv)
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return args.func(args)
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if __name__ == '__main__':
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raise SystemExit(main(sys.argv[1:]))
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