/usr/share/pyshared/keystoneclient/exceptions.py is in python-keystoneclient 2012.1-3+deb7u1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 | # Copyright 2010 Jacob Kaplan-Moss
# Copyright 2011 Nebula, Inc.
"""
Exception definitions.
"""
class CommandError(Exception):
pass
class AuthorizationFailure(Exception):
pass
class NoTokenLookupException(Exception):
"""This form of authentication does not support looking up
endpoints from an existing token."""
pass
class EndpointNotFound(Exception):
"""Could not find Service or Region in Service Catalog."""
pass
class ClientException(Exception):
"""
The base exception class for all exceptions this library raises.
"""
def __init__(self, code, message=None, details=None):
self.code = code
self.message = message or self.__class__.message
self.details = details
def __str__(self):
return "%s (HTTP %s)" % (self.message, self.code)
class BadRequest(ClientException):
"""
HTTP 400 - Bad request: you sent some malformed data.
"""
http_status = 400
message = "Bad request"
class Unauthorized(ClientException):
"""
HTTP 401 - Unauthorized: bad credentials.
"""
http_status = 401
message = "Unauthorized"
class Forbidden(ClientException):
"""
HTTP 403 - Forbidden: your credentials don't give you access to this
resource.
"""
http_status = 403
message = "Forbidden"
class NotFound(ClientException):
"""
HTTP 404 - Not found
"""
http_status = 404
message = "Not found"
class Conflict(ClientException):
"""
HTTP 409 - Conflict
"""
http_status = 409
message = "Conflict"
class OverLimit(ClientException):
"""
HTTP 413 - Over limit: you're over the API limits for this time period.
"""
http_status = 413
message = "Over limit"
# NotImplemented is a python keyword.
class HTTPNotImplemented(ClientException):
"""
HTTP 501 - Not Implemented: the server does not support this operation.
"""
http_status = 501
message = "Not Implemented"
# In Python 2.4 Exception is old-style and thus doesn't have a __subclasses__()
# so we can do this:
# _code_map = dict((c.http_status, c)
# for c in ClientException.__subclasses__())
#
# Instead, we have to hardcode it:
_code_map = dict((c.http_status, c) for c in [BadRequest, Unauthorized,
Forbidden, NotFound, OverLimit, HTTPNotImplemented])
def from_response(response, body):
"""
Return an instance of an ClientException or subclass
based on an httplib2 response.
Usage::
resp, body = http.request(...)
if resp.status != 200:
raise exception_from_response(resp, body)
"""
cls = _code_map.get(response.status, ClientException)
if body:
if hasattr(body, 'keys'):
error = body[body.keys()[0]]
message = error.get('message', None)
details = error.get('details', None)
else:
# If we didn't get back a properly formed error message we
# probably couldn't communicate with Keystone at all.
message = "Unable to communicate with identity service: %s." % body
details = None
return cls(code=response.status, message=message, details=details)
else:
return cls(code=response.status)
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