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Mini Shell
"""Low-level http related exceptions."""
__all__ = ('HttpProcessingError',)
class HttpProcessingError(Exception):
"""HTTP error.
Shortcut for raising HTTP errors with custom code, message and headers.
code: HTTP Error code.
message: (optional) Error message.
headers: (optional) Headers to be sent in response, a list of pairs
"""
code = 0
message = ''
headers = None
def __init__(self, *, code=None, message='', headers=None):
if code is not None:
self.code = code
self.headers = headers
self.message = message
super().__init__("%s, message='%s'" % (self.code, message))
class BadHttpMessage(HttpProcessingError):
code = 400
message = 'Bad Request'
def __init__(self, message, *, headers=None):
super().__init__(message=message, headers=headers)
class HttpBadRequest(BadHttpMessage):
code = 400
message = 'Bad Request'
class PayloadEncodingError(BadHttpMessage):
"""Base class for payload errors"""
class ContentEncodingError(PayloadEncodingError):
"""Content encoding error."""
class TransferEncodingError(PayloadEncodingError):
"""transfer encoding error."""
class ContentLengthError(PayloadEncodingError):
"""Not enough data for satisfy content length header."""
class LineTooLong(BadHttpMessage):
def __init__(self, line, limit='Unknown'):
super().__init__(
"Got more than %s bytes when reading %s." % (limit, line))
class InvalidHeader(BadHttpMessage):
def __init__(self, hdr):
if isinstance(hdr, bytes):
hdr = hdr.decode('utf-8', 'surrogateescape')
super().__init__('Invalid HTTP Header: {}'.format(hdr))
self.hdr = hdr
class BadStatusLine(BadHttpMessage):
def __init__(self, line=''):
if not line:
line = repr(line)
self.args = line,
self.line = line
class InvalidURLError(BadHttpMessage):
pass
Zerion Mini Shell 1.0