Synnefo » ./kamaki

# Copyright 2012 GRNET S.A. All rights reserved.

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from kamaki.clients import Client, ClientError

class AstakosClient(Client):

    """Synnefo Astakos API client"""

    def __init__(self, base_url, token):

        super(AstakosClient, self).__init__(base_url, token)

        self._cache = {}

    def authenticate(self, token=None):

        """Get authentication information and store it in this client

        As long as the AstakosClient instance is alive, the latest

        authentication information for this token will be available

        :param token: (str) custom token to authenticate

        :returns: (dict) authentication information

        """

        self.token = token or self.token

        self._cache[self.token] = self.get('/astakos/api/authenticate').json

        return self._cache[self.token]

    def list(self):

        """list cached user information"""

        r = []

        for k, v in self._cache.items():

            r.append(dict(v))

            r[-1].update(dict(auth_token=k))

        return r

    def info(self, token=None):

        """Get (cached) user information"""

        token_bu = self.token

        token = token or self.token

        try:

            r = self._cache[token]

        except KeyError:

            r = self.authenticate(token)

        self.token = token_bu

        return r

    def term(self, key, token=None):

        """Get (cached) term, from user credentials"""

        return self.info(token).get(key, None)