Fix DeprecationWarning on Python 3.8

  /home/travis/build/Supervisor/supervisor/supervisor/xmlrpc.py:489: DeprecationWarning: urllib.parse.splittype() is deprecated as of 3.8, use urllib.parse.urlparse() instead
    type, uri = urllib.splittype(serverurl)

  /home/travis/build/Supervisor/supervisor/supervisor/xmlrpc.py:490: DeprecationWarning: urllib.parse.splithost() is deprecated as of 3.8, use urllib.parse.urlparse() instead
    host, path = urllib.splithost(uri)

  /home/travis/build/Supervisor/supervisor/supervisor/xmlrpc.py:491: DeprecationWarning: urllib.parse.splitport() is deprecated as of 3.8, use urllib.parse.urlparse() instead
    host, port = urllib.splitport(host)

Author: mnaberez

supervisor/http.py

@@ -12,10 +12,11 @@
 except ImportError:  # Windows
     import getpass as pwd
 
-from supervisor.compat import urllib
 from supervisor.compat import sha1
 from supervisor.compat import as_bytes
 from supervisor.compat import as_string
+from supervisor.compat import urlparse
+
 from supervisor.medusa import asyncore_25 as asyncore
 from supervisor.medusa import http_date
 from supervisor.medusa import http_server
@@ -315,7 +316,8 @@ def get_server_url(self):
 
         if 'HTTP_HOST' in environ:
             host = environ['HTTP_HOST'].strip()
-            hostname, port = urllib.splitport(host)
+            parsed = urlparse.urlparse(host)
+            hostname, port = parsed.hostname, str(parsed.port)
         else:
             hostname = environ['SERVER_NAME'].strip()
             port = environ['SERVER_PORT']

supervisor/xmlrpc.py

@@ -9,13 +9,13 @@
 
 from supervisor.compat import xmlrpclib
 from supervisor.compat import StringIO
-from supervisor.compat import urllib
 from supervisor.compat import as_bytes
 from supervisor.compat import as_string
 from supervisor.compat import encodestring
 from supervisor.compat import decodestring
 from supervisor.compat import httplib
 from supervisor.compat import PY2
+from supervisor.compat import urlparse
 
 from supervisor.medusa.http_server import get_header
 from supervisor.medusa.xmlrpc_handler import xmlrpc_handler
@@ -486,13 +486,10 @@ def __init__(self, username=None, password=None, serverurl=None):
         self.verbose = False
         self.serverurl = serverurl
         if serverurl.startswith('http://'):
-            type, uri = urllib.splittype(serverurl)
-            host, path = urllib.splithost(uri)
-            host, port = urllib.splitport(host)
+            parsed = urlparse.urlparse(serverurl)
+            host, port = parsed.hostname, parsed.port
             if port is None:
                 port = 80
-            else:
-                port = int(port)
             def get_connection(host=host, port=port):
                 return httplib.HTTPConnection(host, port)
             self._get_connection = get_connection