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# Copyright (c) 2010-2013 OpenStack, LLC.
#
# 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 urllib
class ClientException(Exception):
def __init__(self, msg, http_scheme='', http_host='', http_port='',
http_path='', http_query='', http_status=None, http_reason='',
http_device='', http_response_content='',
http_response_headers=None):
super(ClientException, self).__init__(msg)
self.msg = msg
self.http_scheme = http_scheme
self.http_host = http_host
self.http_port = http_port
self.http_path = http_path
self.http_query = http_query
self.http_status = http_status
self.http_reason = http_reason
self.http_device = http_device
self.http_response_content = http_response_content
self.http_response_headers = http_response_headers
self.transaction_id = None
if self.http_response_headers:
for header in ('X-Trans-Id', 'X-Openstack-Request-Id'):
if header in self.http_response_headers:
self.transaction_id = self.http_response_headers[header]
break
@classmethod
def from_response(cls, resp, msg=None, body=None):
msg = msg or '%s %s' % (resp.status_code, resp.reason)
body = body or resp.content
parsed_url = urllib.parse.urlparse(resp.request.url)
return cls(msg, parsed_url.scheme, parsed_url.hostname,
parsed_url.port, parsed_url.path, parsed_url.query,
resp.status_code, resp.reason, '', body, resp.headers)
def __str__(self):
a = self.msg
b = ''
if self.http_scheme:
b += '%s://' % self.http_scheme
if self.http_host:
b += self.http_host
if self.http_port:
b += ':%s' % self.http_port
if self.http_path:
b += self.http_path
if self.http_query:
b += '?%s' % self.http_query
if self.http_status:
if b:
b = '%s %s' % (b, self.http_status)
else:
b = str(self.http_status)
if self.http_reason:
if b:
b = '%s %s' % (b, self.http_reason)
else:
b = '- %s' % self.http_reason
if self.http_device:
if b:
b = '%s: device %s' % (b, self.http_device)
else:
b = 'device %s' % self.http_device
if self.http_response_content:
if len(self.http_response_content) <= 60:
b += ' %s' % self.http_response_content
else:
b += ' [first 60 chars of response] %s' \
% self.http_response_content[:60]
c = ''
if self.transaction_id:
c = ' (txn: %s)' % self.transaction_id
return b and '%s: %s%s' % (a, b, c) or (a + c)
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