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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