def close(self):
""" Close the connection. The connection will be unusable from this
point forward; an Error exception will be raised if any operation
is attempted with the connection. The same applies to all cursor
objects trying to use the connection. Note that closing a connection
without committing the changes first will cause an implicit rollback
to be performed.
"""
if self.mapi:
if not self.autocommit:
self.rollback()
self.mapi.disconnect()
self.mapi = None
else:
raise exceptions.Error("already closed")
def __mapi_check(self):
""" check if there is a connection with a server """
if not self.mapi:
raise exceptions.Error("connection closed")
return True