def init_logger(logger: logging = None):
"""binds the logger for GraphQL view to show the stacktrace on stdout
- This adds a hook into the "GraphQLView.format_error" function in
flask_graphql to also log the expection in the GraphQLView to the stdout
- once the exception is logged, call the default error hander for the
graphql_server package
Keyword Arguments:
logger {logging} -- user provided intialized logger if available
(default: {None})
"""
if not logger:
# initialize logger if not provided
logger = logging.getLogger("graphql-error-logger")
logger.setLevel(logging.ERROR)
@staticmethod
def log_and_format_exception(error):
"""captures the exception catch in graphql_server and log to the stdout
with the stacktrace included.
once thats done, call the default_format_error for the graphql_server
package
Arguments:
error {[type]} -- error catch by the graphql server
Returns:
[str] -- constaining the string representation of the error
encountered by the graphql endpoint
"""
if hasattr(error, "original_error") and isinstance(
error.original_error, Exception
):
logger.error("error in GraphQL view", exc_info=error.original_error)
return default_format_error(error)
GraphQLView.format_error = log_and_format_exception
def ResetDebugLevel(p_logger: logging, p_log_level_name: str) -> None:
log_level: int = GetDebugLevelForName(p_log_level_name)
p_logger.setLevel(log_level)