Deal with renamed modules in python3

six.moves handles some of the reorganized modules.

With dircache, it was simply removed as it has been deprecated for a
long time. os.listdir performs fine these days.

src/saml2/httpbase.py

@@ -1,12 +1,12 @@
 import calendar
-import cookielib
+from six.moves import http_cookiejar
 import copy
 import re
 import urllib
-import urlparse
+from six.moves.urllib.parse import urlparse
 import requests
 import time
-from Cookie import SimpleCookie
+from six.moves.http_cookies import SimpleCookie
 from saml2.time_util import utc_now
 from saml2 import class_name, SAMLError
 from saml2.pack import http_form_post_message
@@ -98,7 +98,7 @@ class HTTPBase(object):
                  cert_file=None):
         self.request_args = {"allow_redirects": False}
         #self.cookies = {}
-        self.cookiejar = cookielib.CookieJar()
+        self.cookiejar = http_cookiejar.CookieJar()
 
         self.request_args["verify"] = verify
         if verify:
@@ -118,7 +118,7 @@ class HTTPBase(object):
         :param url:
         :return:
         """
-        part = urlparse.urlparse(url)
+        part = urlparse(url)
 
         #if part.port:
         #    _domain = "%s:%s" % (part.hostname, part.port)
@@ -143,12 +143,12 @@ class HTTPBase(object):
         return cookie_dict
 
     def set_cookie(self, kaka, request):
-        """Returns a cookielib.Cookie based on a set-cookie header line"""
+        """Returns a http_cookiejar.Cookie based on a set-cookie header line"""
 
         if not kaka:
             return
 
-        part = urlparse.urlparse(request.url)
+        part = urlparse(request.url)
         _domain = part.hostname
         logger.debug("%s: '%s'" % (_domain, kaka))
 
@@ -205,7 +205,7 @@ class HTTPBase(object):
                 except ValueError:
                     pass
             else:
-                new_cookie = cookielib.Cookie(**std_attr)
+                new_cookie = http_cookiejar.Cookie(**std_attr)
                 self.cookiejar.set_cookie(new_cookie)
 
     def send(self, url, method="GET", **kwargs):

src/saml2/mdstore.py

@@ -1,5 +1,4 @@
 from __future__ import print_function
-from dircache import listdir
 import logging
 import os
 import sys
@@ -765,7 +764,7 @@ class MetadataStore(object):
             key = args[0]
             # if library read every file in the library
             if os.path.isdir(key):
-                files = [f for f in listdir(key) if isfile(join(key, f))]
+                files = [f for f in os.listdir(key) if isfile(join(key, f))]
                 for fil in files:
                     _fil = join(key, fil)
                     _md = MetaDataFile(self.onts, self.attrc, _fil)
@@ -838,7 +837,7 @@ class MetadataStore(object):
                 for key in item['metadata']:
                     # Separately handle MetaDataFile and directory
                     if MDloader == MetaDataFile and os.path.isdir(key[0]):
-                        files = [f for f in listdir(key[0]) if isfile(join(key[0], f))]
+                        files = [f for f in os.listdir(key[0]) if isfile(join(key[0], f))]
                         for fil in files:
                             _fil = join(key[0], fil)
                             _md = MetaDataFile(self.onts, self.attrc, _fil)

src/saml2/pack.py

@@ -10,7 +10,7 @@ Bindings normally consists of three parts:
 - how to package the information
 - which protocol to use
 """
-import urlparse
+from six.moves.urllib.parse import urlparse
 import saml2
 import base64
 import urllib
@@ -129,7 +129,7 @@ def http_redirect_message(message, location, relay_state="", typ="SAMLRequest",
     else:
         string = urllib.urlencode(args)
 
-    glue_char = "&" if urlparse.urlparse(location).query else "?"
+    glue_char = "&" if urlparse(location).query else "?"
     login_url = glue_char.join([location, string])
     headers = [('Location', str(login_url))]
     body = []

src/saml2/validate.py

@@ -1,5 +1,5 @@
 import calendar
-import urlparse
+from six.moves.urllib.parse import urlparse
 import re
 import time_util
 import struct
@@ -46,7 +46,7 @@ def valid_id(oid):
 def valid_any_uri(item):
     """very simplistic, ..."""
     try:
-        part = urlparse.urlparse(item)
+        part = urlparse(item)
     except Exception:
         raise NotValid("AnyURI")