175 lines
3.8 KiB
Python
175 lines
3.8 KiB
Python
# Copyright (c) 2014 ITOCHU Techno-Solutions Corporation.
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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class UnsupportedVersion(Exception):
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"""Indicates that the user is trying to use an unsupported
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version of the API.
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"""
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pass
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class CommandError(Exception):
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pass
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class HTTPException(Exception):
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message = 'Unknown Error'
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def __init__(self, code, message=None, details=None, request_id=None,
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url=None, method=None):
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self.code = code
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self.message = message or self.__class__.message
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self.details = details
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self.request_id = request_id
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self.url = url
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self.method = method
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def __str__(self):
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formatted_string = "%s (HTTP %s)" % (self.message, self.code)
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if self.request_id:
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formatted_string += " (Request-ID: %s)" % self.request_id
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return formatted_string
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class BadRequest(HTTPException):
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"""
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HTTP 400 - Bad request: you sent some malformed data.
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"""
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http_status = 400
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message = "Bad request"
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class NotFound(HTTPException):
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"""
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HTTP 404 - Not found
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"""
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http_status = 404
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message = "Not found"
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class InternalServerError(HTTPException):
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"""
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HTTP 500 - Internal Server Error
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"""
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http_status = 500
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message = "Internal Server Error"
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class RateLimit(HTTPException):
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"""
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HTTP 413 - Too much Requests
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"""
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http_status = 413
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message = "This request was rate-limited."
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_error_classes = [BadRequest, NotFound, InternalServerError, RateLimit]
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_code_map = dict((c.http_status, c) for c in _error_classes)
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def from_response(response, body, url, method=None):
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kwargs = {
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'code': response.status_code,
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'method': method,
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'url': url,
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'request_id': None,
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}
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if response.headers:
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kwargs['request_id'] = response.headers.get('x-compute-request-id')
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if body:
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message = "n/a"
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details = "n/a"
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if hasattr(body, 'keys'):
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error = body[list(body)[0]]
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message = error.get('message')
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details = error.get('details')
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kwargs['message'] = message
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kwargs['details'] = details
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cls = _code_map.get(response.status_code, HTTPException)
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return cls(**kwargs)
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class BaseError(Exception):
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"""
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The base exception class for all exceptions except for HTTPException
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based classes.
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"""
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pass
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class ForkError(BaseError):
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pass
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class AMQPConnectionError(BaseError):
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pass
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class InvalidDirectoryError(BaseError):
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pass
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class InvalidFilePathError(BaseError):
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pass
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class InvalidFSEndpointError(BaseError):
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pass
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class FileSystemAccessError(BaseError):
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pass
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class MetadataAccessError(BaseError):
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pass
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class InvalidProcessError(BaseError):
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pass
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class ProcessInitError(BaseError):
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pass
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class EndOfFile(Exception):
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message = 'EOF'
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class NoDescriptor(Exception):
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message = 'Descriptor Not Found'
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def __init__(self, message=None):
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self.message = message or self.__class__.message
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def __str__(self):
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formatted_string = self.message
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return formatted_string
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class NoReadDescriptor(NoDescriptor):
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message = 'Read Descriptor Not Found'
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class NoWriteDescriptor(NoDescriptor):
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message = 'Write Descriptor Not Found'
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