~didrocks/unity/altf10

import httplib

import simplejson

from urlparse import urlunparse

from urllib import (

    quote,

    urlencode,

)

class UnsupportedOrder(Exception):

    pass

class GrackleClient:

    def __init__(self, host, port):

        self.host = host

        self.port = port

        self.netloc = '%s:%d' % (host, port)

    def archive_url(self, archive_id, query):

        path = '/%s' % quote(archive_id)

        query_string = urlencode(query)

        return urlunparse(('http', self.netloc, path, '', query_string, ''))

    def _get_connection(self):

        return httplib.HTTPConnection(self.host, self.port)

    def _verb_archive(self, verb, archive_id, query, body=None):

        url = self.archive_url(archive_id, query)

        connection = self._get_connection()

        connection.request(verb, url, body)

        return connection.getresponse()

    def put_message(self, archive_id, key, file_obj):

        response = self._verb_archive(

            'POST', archive_id, {'key': key}, file_obj.read())

        data = response.read()

        if response.status == httplib.BAD_REQUEST:

            raise Exception('wtf')

        elif response.status == httplib.CREATED:

            return

        else:

            raise Exception('!!')

    def get_messages(self, archive_id, message_ids=None, limit=None,

                     memo=None, order=None):

        parameters = {}

        if message_ids is not None:

            parameters['message_ids'] = message_ids

        if limit is not None:

            parameters['limit'] = limit

        if memo is not None:

            parameters['memo'] = memo

        if order is not None:

            parameters['order'] = order

        query = {'parameters': simplejson.dumps(parameters)}

        response = self._verb_archive('GET', archive_id, query)

        if response.status == httplib.BAD_REQUEST:

            raise UnsupportedOrder

        data = response.read()

        return simplejson.loads(data)