How to use _migrate_from_base method in autotest

Best Python code snippet using autotest_python Github


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...135 self.set_db_version(new_version)136 def migrate_to_version(self, version):137 current_version = self.get_db_version()138 if current_version == 0 and self._config_section() == 'AUTOTEST_WEB':139 self._migrate_from_base()140 current_version = self.get_db_version()141 if current_version < version:142 lower, upper = current_version, version143 migrate_up = True144 else:145 lower, upper = version, current_version146 migrate_up = False147 migrations = self.get_migrations(lower + 1, upper)148 if not migrate_up:149 migrations.reverse()150 for migration in migrations:151 self.do_migration(migration, migrate_up)152 assert self.get_db_version() == version153 print 'At version', version154 def _migrate_from_base(self):155 self.confirm_initialization()156 migration_script = utils.read_file(157 os.path.join(os.path.dirname(__file__), 'schema_051.sql'))158 migration_script = migration_script % (159 dict(username=self._database.get_database_info()['username']))160 self.execute_script(migration_script)161 self.create_migrate_table()162 self.set_db_version(51)163 def confirm_initialization(self):164 if not self.force:165 response = raw_input(166 'Your %s database does not appear to be initialized. Do you '167 'want to recreate it (this will result in loss of any existing '168 'data) (yes/No)? ' % self.get_db_name())...

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