Merge "Add apiclient.exceptions hierarchy"

keystoneclient/exceptions.py

@@ -18,162 +18,5 @@
 Exception definitions.
 """
 
-from keystoneclient.openstack.common import jsonutils
-
-
-class CommandError(Exception):
-    pass
-
-
-class ValidationError(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 EmptyCatalog(Exception):
-    """The service catalog is empty."""
-    pass
-
-
-class NoUniqueMatch(Exception):
-    """Unable to find unique resource."""
-    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 do not allow access to this
-    resource.
-    """
-    http_status = 403
-    message = "Forbidden"
-
-
-class NotFound(ClientException):
-    """HTTP 404 - Not found."""
-    http_status = 404
-    message = "Not found"
-
-
-class MethodNotAllowed(ClientException):
-    """HTTP 405 - Method not allowed."""
-    http_status = 405
-    message = "Method not allowed"
-
-
-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"
-
-
-class ServiceUnavailable(ClientException):
-    """HTTP 503 - Service Unavailable: The server is currently unavailable."""
-    http_status = 503
-    message = "Service Unavailable"
-
-
-# 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,
-                                              MethodNotAllowed,
-                                              Conflict,
-                                              OverLimit,
-                                              HTTPNotImplemented,
-                                              ServiceUnavailable])
-
-
-def from_response(response, body=None):
-    """Return an instance of a ClientException or subclass
-    based on a requests response.
-
-    Usage::
-
-        resp = requests.request(...)
-        if resp.status_code != 200:
-            raise exception_from_response(resp, resp.text)
-    """
-    cls = _code_map.get(response.status_code, ClientException)
-    if body is None:
-        try:
-            body = jsonutils.loads(response.text)
-        except Exception:
-            body = response.text
-
-    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_code, message=message, details=details)
-    else:
-        return cls(code=response.status_code)
+#flake8: noqa
+from keystoneclient.apiclient.exceptions import *