[flask.get_json] #flask

snippet.py

"""
Custom Flask and Requset.
overwrite Request.on_json_loading_failed and raise a custom exception.
"""


class CustomRequest(Request):
    def on_json_loading_failed(self, e):
		"""
        ref: https://tedboy.github.io/flask/_modules/flask/wrappers.html#Request.on_json_loading_failed
        """
        raise jsonify({'success': False, 'error_msg': 'json parse fail'}, 400)
        
    
    
class CustomFlask(Flask):
	request_class = CustomRequest