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44 lines
1.3 KiB
Python
44 lines
1.3 KiB
Python
from webob import Request, Response
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class ExceptionMiddleware(object):
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"""A middleware which raises an exception."""
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def __init__(self, app):
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self.app = app
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def __call__(self, environ, start_response):
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raise Exception('Middleware exception')
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class ExceptionToSuccessMiddleware(object):
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"""A middleware which catches any exceptions that occur in a later
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middleware and returns a successful request.
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"""
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def __init__(self, app):
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self.app = app
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def __call__(self, environ, start_response):
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req = Request(environ)
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try:
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response = req.get_response(self.app)
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except Exception:
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response = Response()
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response.status_int = 200
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response.body = 'An error has been handled appropriately'
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return response(environ, start_response)
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class ExceptionToClientErrorMiddleware(object):
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def __init__(self, app):
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self.app = app
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def __call__(self, environ, start_response):
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req = Request(environ)
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try:
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response = req.get_response(self.app)
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except Exception:
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response = Response()
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response.status_int = 404
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response.body = 'An error has occured with proper client error handling'
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return response(environ, start_response)
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