35 lines
1 KiB
Python
35 lines
1 KiB
Python
from flask import jsonify, escape
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from werkzeug.exceptions import default_exceptions
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from werkzeug.exceptions import HTTPException
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class JSONExceptionHandler(object):
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def __init__(self, app=None):
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if app:
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self.init_app(app)
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def std_handler(self, error):
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if isinstance(error, HTTPException):
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message = error.description
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elif hasattr(error, 'message'):
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message = error.message
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else:
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message = str(error)
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status_code = error.code if isinstance(error, HTTPException) else 500
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response = {
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'status_code': status_code,
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'message': escape(message)
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}
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return jsonify(response), status_code
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def init_app(self, app):
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self.app = app
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self.register(HTTPException)
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for code, v in default_exceptions.items():
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self.register(code)
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def register(self, exception_or_code, handler=None):
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self.app.errorhandler(exception_or_code)(handler or self.std_handler)
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