70 lines
2.2 KiB
Python
70 lines
2.2 KiB
Python
# Copyright 2014 - Savoir-Faire Linux inc.
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#
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# Licensed under the Apache License, Version 2.0 (the "License"); you may
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# not use this file except in compliance with the License. You may obtain
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# 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, WITHOUT
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# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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# License for the specific language governing permissions and limitations
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# under the License.
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import json
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class CommandError(BaseException):
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"""Invalid usage of CLI."""
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class ClientException(Exception):
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"""The base exception class for all exceptions this library raises."""
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pass
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class HttpError(ClientException):
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"""The base exception class for all HTTP exceptions."""
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http_status = 0
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message = "HTTP Error"
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def __init__(self, message=None, details=None,
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response=None, request_id=None,
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url=None, method=None, http_status=None):
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self.http_status = http_status or self.http_status
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self.message = message or self.message
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self.details = details
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self.request_id = request_id
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self.response = response
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self.url = url
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self.method = method
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formatted_string = "%s (HTTP %s)" % (self.message, self.http_status)
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if request_id:
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formatted_string += " (Request-ID: %s)" % request_id
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super(HttpError, self).__init__(formatted_string)
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def from_response(response, body, method, url):
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"""Returns an instance of :class:`HttpError` or subclass based on response.
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:param response: instance of `requests.Response` class
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:param method: HTTP method used for request
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:param url: URL used for request
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"""
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if response.getheader('Content-Type').startswith('application/json'):
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try:
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loaded_body = json.loads(body)
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if 'faultstring' in loaded_body:
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body = loaded_body['faultstring']
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except ValueError:
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pass
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return HttpError(
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response=response,
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url=url,
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method=method,
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http_status=response.status,
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message=body
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) |