#!/usr/bin/python
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# HTTP client proxy functions

from httplib import HTTPConnection
from urlparse import urlparse
from StringIO import StringIO
from util import *
from atomutil import *
from jsonutil import *

id = 1

# Make a callable HTTP client
class client:
    def __init__(self, uri):
        self.uri = urlparse(uri)

    def __call__(self, func, *args):
        global id
        req = StringIO()
        writeStrings(jsonRequest(id, func, args), req)
        id = id + 1
        c = HTTPConnection(self.uri.hostname, 80 if self.uri.port == None else self.uri.port)
        c.request("POST", self.uri.path, req.getvalue(), {"Content-type": "application/json-rpc"})
        res = c.getresponse()
        if res.status != 200:
            return None
        return jsonResultValue((res.read(),))

    def __repr__(self):
        return repr((self.uri,))

def mkclient(uri):
    return client(uri)