How to intercept all exceptions in flask?

python-2.7 configuration exception-handling flask

You should use errorhandler, see documentation http://flask.pocoo.org/docs/patterns/errorpages/#error-handlers and http://flask.pocoo.org/docs/api/#flask.Flask.errorhandler. It is allow you get all exceptions raised in dispatchers, but not handle exceptions in error handlers. For example to handle all exceptions:

@app.errorhandler(Exception)def all_exception_handler(error):   return 'Error', 500

How ever I prefer explicit exceptions handlers or use decorators (class based views) for this cases.

python-2.7 configuration exception-handling flask

Try something like this:

@app.errorhandler(Exception)def all_exception_handler(error):    return "Error: " + error.code

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