def handle_app_error(exc_args):
msg = str(exc_args[0]).lower()
if msg.startswith('request_backlog'):
return dbexceptions.RequestBacklog(exc_args)
match = _errno_pattern.search(msg)
if match:
mysql_errno = int(match.group(1))
# Prune the error message to truncate the query string
# returned by mysql as it contains bind variables.
if mysql_errno == 1062:
parts = _errno_pattern.split(msg)
pruned_msg = msg[:msg.find(parts[2])]
new_args = (pruned_msg, ) + tuple(exc_args[1:])
return dbexceptions.IntegrityError(new_args)
return dbexceptions.DatabaseError(exc_args)
def convert_exception(exc, *args):
new_args = exc.args + args
if isinstance(exc, gorpc.TimeoutError):
return dbexceptions.TimeoutError(new_args)
elif isinstance(exc, gorpc.AppError):
msg = str(exc[0]).lower()
if msg.startswith('request_backlog'):
return dbexceptions.RequestBacklog(new_args)
match = _errno_pattern.search(msg)
if match:
mysql_errno = int(match.group(1))
if mysql_errno == 1062:
return dbexceptions.IntegrityError(new_args)
return dbexceptions.DatabaseError(new_args)
elif isinstance(exc, gorpc.ProgrammingError):
return dbexceptions.ProgrammingError(new_args)
elif isinstance(exc, gorpc.GoRpcError):
return dbexceptions.FatalError(new_args)
return exc