Synnefo » ./kamaki

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#      copyright notice, self.list of conditions and the following

#      disclaimer.

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#      copyright notice, self.list of conditions and the following

#      disclaimer in the documentation and/or other materials

#      provided with the distribution.

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# THIS SOFTWARE IS PROVIDED BY GRNET S.A. ``AS IS'' AND ANY EXPRESS

# OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED

# WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR

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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 status property to the responses

def _status(self):

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

requests.Response.status = property(_status)

class ClientError(Exception):

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

        super(ClientError, self).__init__(message, status, 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.token = token

        self.headers = {}

    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 set_header(self, name, value):

        #If the header exists, replace the value

        #otherwise create a new header

        self.headers[unicode(name)] = unicode(value)

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

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

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

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

        #meta = kwargs.pop('meta', False)

        data = kwargs.pop('data', None)

        #headers = kwargs.pop('headers', {})

        self.headers.setdefault('X-Auth-Token', self.token)

        publish = kwargs.pop('publish', None)

        if directory:

            self.headers.setdefault('Content-Type', 'application/directory')

            self.headers.setdefault('Content-length', '0')

        else:

            if 'json' in kwargs:

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

                self.headers.setdefault('Content-Type', 'application/json')

            if data:

                self.headers.setdefault('Content-Length', unicode(len(data)))

        #if meta:

        #    for key in meta.keys():

        #        self.headers[key] = meta[key]

        url = self.base_url + path

        kwargs.setdefault('verify', False)  # Disable certificate verification

        r = requests.request(method, url, headers=self.headers, data=data, **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.content:

            recvlog.debug(r.content)

        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