55 lines
1.3 KiB
Python
55 lines
1.3 KiB
Python
import re
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class Error(StandardError):
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"""Base error class.
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Child classes should define an HTTP status code, title, and a doc string.
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"""
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code = None
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title = None
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def __init__(self, message=None, **kwargs):
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"""Use the doc string as the error message by default."""
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message = message or self.__doc__ % kwargs
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super(Error, self).__init__(message)
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def __str__(self):
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"""Cleans up line breaks and indentation from doc strings."""
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string = super(Error, self).__str__()
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string = re.sub('[ \n]+', ' ', string)
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string = string.strip()
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return string
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class ValidationError(Error):
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"""Expecting to find %(attribute)s in %(target)s.
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The server could not comply with the request since it is either malformed
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or otherwise incorrect.
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The client is assumed to be in error.
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"""
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code = 400
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title = 'Bad Request'
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class Unauthorized(Error):
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"""The request you have made requires authentication."""
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code = 401
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title = 'Not Authorized'
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class Forbidden(Error):
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"""You are not authorized to perform the requested action: %(action)s"""
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code = 403
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title = 'Not Authorized'
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class NotFound(Error):
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"""Could not find: %(target)s"""
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code = 404
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title = 'Not Found'
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