How to use set_django_connection method in autotest

Best Python code snippet using autotest_python

readonly_connection.py

Source:readonly_connection.py

...54        # cursor() causes a new connection to be created55        cursor = django_db.connection.cursor()56        assert django_db.connection.connection is not None57        return django_db.connection.connection58    def set_django_connection(self):59        assert (django_db.connection.connection != self._connection or60                self._connection is None)61        self._open_connection()62        self._old_connection = django_db.connection.connection63        django_db.connection.connection = self._connection64    def unset_django_connection(self):65        assert self._connection is not None66        assert django_db.connection.connection == self._connection67        django_db.connection.connection = self._old_connection68    def cursor(self):69        self._open_connection()70        return self._connection.cursor()71    def close(self):72        if self._connection is not None:73            assert django_db.connection.connection != self._connection74            self._connection.close()75            self._connection = None76class DummyReadOnlyConnection(object):77    """78    A dummy version which passes queries straight to the global Django79    connection.80    """81    def __init__(self):82        self._is_set = False83    def set_django_connection(self):84        assert not self._is_set85        self._is_set = True86    def unset_django_connection(self):87        assert self._is_set88        self._is_set = False89    def cursor(self):90        return django_db.connection.cursor()91    def close(self):92        pass93# convenience94def connection():95    return ReadOnlyConnection.get_connection()96# close any open connection when request finishes97def _close_connection(**unused_kwargs):98    connection().close()...

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