Merge #151: parse authpair when using service url

ee7fe43 parse authpair when using service url (Simon Mulser)

Pull request description:

Tree-SHA512: 28a86f5e294771a5c8efb7e7f9d516210aa609664acafbfdfafff1cfa8856741a87367dabc0486cf83641600ad65be58e29931165256bf4071e3cbd8b2e24e25

Author: petertodd

bitcoin/rpc.py

@@ -175,6 +175,9 @@ def __init__(self,
 
                     else:
                         raise ValueError('Cookie file unusable (%s) and rpcpassword not specified in the configuration file: %r' % (err, btc_conf_file))
+        else:
+            url = urlparse.urlparse(service_url)
+            authpair = "%s:%s" % (url.username, url.password)
 
         self.__service_url = service_url
         self.__url = urlparse.urlparse(service_url)