Revision df79206f kamaki/clients/__init__.py
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# interpreted as representing official policies, either expressed |
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# or implied, of GRNET S.A. |
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import json |
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import logging |
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import requests |
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from requests.auth import AuthBase |
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sendlog = logging.getLogger('clients.send') |
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recvlog = logging.getLogger('clients.recv') |
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# Add a convenience json property to the responses |
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def _json(self): |
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try: |
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return json.loads(self.content) |
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except ValueError: |
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raise ClientError("Invalid JSON reply", self.status_code) |
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requests.Response.json = property(_json) |
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# Add a convenience status property to the responses |
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def _status(self): |
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return requests.status_codes._codes[self.status_code][0].upper() |
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requests.Response.status = property(_status) |
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class XAuthTokenAuth(AuthBase): |
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def __init__(self, token): |
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self.token = token |
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def __call__(self, r): |
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r.headers['X-Auth-Token'] = self.token |
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return r |
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class ClientError(Exception): |
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def __init__(self, message, status=0, details=''): |
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self.message = message |
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self.status = status |
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self.details = details |
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def __int__(self): |
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return int(self.status) |
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def __str__(self): |
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r = self.message |
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if self.status: |
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r += "\nHTTP Status: %d" % self.status |
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if self.details: |
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r += "\nDetails: \n%s" % self.details |
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class Client(object): |
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def __init__(self, base_url, token, include=False, verbose=False): |
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self.base_url = base_url |
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self.auth = XAuthTokenAuth(token) |
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self.include = include |
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self.verbose = verbose |
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def raise_for_status(self, r): |
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if 400 <= r.status_code < 500: |
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message, sep, details = r.text.partition('\n') |
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elif 500 <= r.status_code < 600: |
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message = '%d Server Error' % (r.status_code,) |
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details = r.text |
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else: |
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message = '%d Unknown Error' % (r.status_code,) |
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details = r.text |
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message = message or "HTTP Error %d" % (r.status_code,) |
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raise ClientError(message, r.status_code, details) |
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def request(self, method, path, **kwargs): |
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raw = kwargs.pop('raw', False) |
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success = kwargs.pop('success', 200) |
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if 'json' in kwargs: |
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data = json.dumps(kwargs.pop('json')) |
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kwargs['data'] = data |
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headers = kwargs.setdefault('headers', {}) |
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headers['content-type'] = 'application/json' |
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url = self.base_url + path |
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kwargs.setdefault('auth', self.auth) |
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r = requests.request(method, url, **kwargs) |
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req = r.request |
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sendlog.info('%s %s', req.method, req.url) |
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for key, val in req.headers.items(): |
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sendlog.info('%s: %s', key, val) |
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sendlog.info('') |
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if req.data: |
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sendlog.info('%s', req.data) |
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recvlog.info('%d %s', r.status_code, r.status) |
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for key, val in r.headers.items(): |
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recvlog.info('%s: %s', key, val) |
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recvlog.info('') |
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if not raw and r.text: |
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recvlog.debug(r.text) |
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if success is not None: |
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# Success can either be an in or a collection |
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success = (success,) if isinstance(success, int) else success |
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if r.status_code not in success: |
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self.raise_for_status(r) |
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return r |
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def delete(self, path, **kwargs): |
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return self.request('delete', path, **kwargs) |
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def get(self, path, **kwargs): |
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return self.request('get', path, **kwargs) |
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def head(self, path, **kwargs): |
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return self.request('head', path, **kwargs) |
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def post(self, path, **kwargs): |
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return self.request('post', path, **kwargs) |
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def put(self, path, **kwargs): |
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return self.request('put', path, **kwargs) |
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from .compute import ComputeClient |
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from .image import ImageClient |
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from .storage import StorageClient |
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from .cyclades import CycladesClient |
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from .pithos import PithosClient |
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from .compute import ComputeClient as compute |
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from .image import ImageClient as image |
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from .storage import StorageClient as storage |
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from .cyclades import CycladesClient as cyclades |
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from .pithos import PithosClient as pithos |
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