Python - How to print error with JSON format

Question

I'm new to Python, but as much as I search - I don't find a "jsonfiy" method for printing an error to the logs.

the way I'm printing today:

except Exception as e:
    print(type(e))
    print(e)
    print(traceback.format_exc())

This way I get all needed data from the exception, but I must represent it in a JSON format.

Any help will be appreciated!

Does this answer your question? How to serialize an Exception — aberkb
– aberkb, Commented May 11, 2022 at 7:19
Take a look at the pprint library. Using pprint.pprint(<dict_like_var>) will present the variable content in a nice way. — jeandemeusy
– jeandemeusy, Commented May 11, 2022 at 7:25
@aberkb, thanks for your suggestion, but I don't find a "jsonfiy" way to print it. JSON is must here in order to make searches within the error logs — NNH
– NNH, Commented May 11, 2022 at 8:09

NNH · Accepted Answer · 2022-05-17 06:56:07Z

2

I finally found the answer to my question, using python-json-logger, in my case I used it within Flask app, so the way to configure logger to use JSON format is this:

formatter = jsonlogger.JsonFormatter('%(asctime) %(levelname) %(message)')
app.logger.handlers[0].setFormatter(formatter)

Then I used app logger to log an error with JSON format like this:

except Exception as e:
    app.logger.error({"error": type(e).__name__, "message": e, "at": traceback.format_exc()})

answered May 17, 2022 at 6:56

NNH

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