max_lobur 01c178de83 Let CLI print exception traceback from 'debuginfo'
Response 'debuginfo' is used to carry server traceback in case of
error. If 'debuginfo' is not empty, append it to exception message,
so traceback will be printed together with message.

Change-Id: Id7900b64ec7fc9f906253ef0e2d754c2baa76067
Closes-Bug: #1255590
2013-12-04 12:11:33 +02:00

175 lines
3.6 KiB
Python

# Licensed under the Apache License, Version 2.0 (the "License"); you may
# not use this file except in compliance with the License. You may obtain
# a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
# License for the specific language governing permissions and limitations
# under the License.
import sys
class BaseException(Exception):
"""An error occurred."""
def __init__(self, message=None):
self.message = message
def __str__(self):
return self.message or self.__class__.__doc__
class CommandError(BaseException):
"""Invalid usage of CLI."""
class InvalidEndpoint(BaseException):
"""The provided endpoint is invalid."""
class CommunicationError(BaseException):
"""Unable to communicate with server."""
class ClientException(Exception):
"""DEPRECATED."""
class HTTPException(ClientException):
"""Base exception for all HTTP-derived exceptions."""
code = 'N/A'
def __init__(self, details=None, server_traceback=None):
self.details = details
self.server_traceback = server_traceback
def __str__(self):
msg = "%s (HTTP %s)" % (self.__class__.__name__,
self.code)
if self.details:
msg = self.details
if self.server_traceback:
msg += "\n%s" % self.server_traceback
return msg
class HTTPMultipleChoices(HTTPException):
code = 300
def __str__(self):
self.details = ("Requested version of OpenStack Images API is not"
"available.")
return "%s (HTTP %s) %s" % (self.__class__.__name__, self.code,
self.details)
class BadRequest(HTTPException):
"""DEPRECATED."""
code = 400
class HTTPBadRequest(BadRequest):
pass
class Unauthorized(HTTPException):
"""DEPRECATED."""
code = 401
class HTTPUnauthorized(Unauthorized):
pass
class Forbidden(HTTPException):
"""DEPRECATED."""
code = 403
class HTTPForbidden(Forbidden):
pass
class NotFound(HTTPException):
"""DEPRECATED."""
code = 404
class HTTPNotFound(NotFound):
pass
class HTTPMethodNotAllowed(HTTPException):
code = 405
class Conflict(HTTPException):
"""DEPRECATED."""
code = 409
class HTTPConflict(Conflict):
pass
class OverLimit(HTTPException):
"""DEPRECATED."""
code = 413
class HTTPOverLimit(OverLimit):
pass
class HTTPInternalServerError(HTTPException):
code = 500
class HTTPNotImplemented(HTTPException):
code = 501
class HTTPBadGateway(HTTPException):
code = 502
class ServiceUnavailable(HTTPException):
"""DEPRECATED."""
code = 503
class HTTPServiceUnavailable(ServiceUnavailable):
pass
#NOTE(bcwaldon): Build a mapping of HTTP codes to corresponding exception
# classes
_code_map = {}
for obj_name in dir(sys.modules[__name__]):
if obj_name.startswith('HTTP'):
obj = getattr(sys.modules[__name__], obj_name)
_code_map[obj.code] = obj
def from_response(response, message=None, traceback=None):
"""Return an instance of an HTTPException based on httplib response."""
cls = _code_map.get(response.status, HTTPException)
return cls(message, traceback)
class NoTokenLookupException(Exception):
"""DEPRECATED."""
pass
class EndpointNotFound(Exception):
"""DEPRECATED."""
pass
class InvalidAttribute(ClientException):
pass