Synnefo » ./kamaki

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#      disclaimer.

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#      disclaimer in the documentation and/or other materials

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import json

import logging

import requests

from requests.auth import AuthBase

sendlog = logging.getLogger('clients.send')

recvlog = logging.getLogger('clients.recv')

# Add a convenience json property to the responses

def _json(self):

    try:

        return json.loads(self.content) if self.content else {}

    except ValueError:

        raise ClientError("Invalid JSON reply", self.status_code)

requests.Response.json = property(_json)

# Add a convenience status property to the responses

def _status(self):

    return requests.status_codes._codes[self.status_code][0].upper()

requests.Response.status = property(_status)

class XAuthTokenAuth(AuthBase):

    def __init__(self, token):

        self.token = token

    def __call__(self, r):

        r.headers['X-Auth-Token'] = self.token

        return r

class ClientError(Exception):

    def __init__(self, message, status=0, details=''):

        self.message = message

        self.status = status

        self.details = details

class Client(object):

    def __init__(self, base_url, token):

        self.base_url = base_url

        self.auth = XAuthTokenAuth(token)

    def raise_for_status(self, r):        

        message = "%d %s" % (r.status_code, r.status)

        details = r.text

        raise ClientError(message, r.status_code, details)

    def request(self, method, path, **kwargs):

        raw = kwargs.pop('raw', False)

        success = kwargs.pop('success', 200)

        if 'json' in kwargs:

            data = json.dumps(kwargs.pop('json'))

            kwargs['data'] = data

            headers = kwargs.setdefault('headers', {})

            headers['content-type'] = 'application/json'

        url = self.base_url + path

        kwargs.setdefault('auth', self.auth)

        r = requests.request(method, url, **kwargs)

        req = r.request

        sendlog.info('%s %s', req.method, req.url)

        for key, val in req.headers.items():

            sendlog.info('%s: %s', key, val)

        sendlog.info('')

        if req.data:

            sendlog.info('%s', req.data)

        recvlog.info('%d %s', r.status_code, r.status)

        for key, val in r.headers.items():

            recvlog.info('%s: %s', key, val)

        recvlog.info('')

        if not raw and r.text:

            recvlog.debug(r.text)

        if success is not None:

            # Success can either be an in or a collection

            success = (success,) if isinstance(success, int) else success

            if r.status_code not in success:

                self.raise_for_status(r)

        return r

    def delete(self, path, **kwargs):

        return self.request('delete', path, **kwargs)

    def get(self, path, **kwargs):

        return self.request('get', path, **kwargs)

    def head(self, path, **kwargs):

        return self.request('head', path, **kwargs)

    def post(self, path, **kwargs):

        return self.request('post', path, **kwargs)

    def put(self, path, **kwargs):

        return self.request('put', path, **kwargs)

from .compute import ComputeClient as compute

from .image import ImageClient as image

from .storage import StorageClient as storage

from .cyclades import CycladesClient as cyclades

from .pithos import PithosClient as pithos

from .astakos import AstakosClient as astakos