Add support for Python 3.12+ where six.moves is not available.

Author: zajacg

html5lib/_inputstream.py

@@ -1,7 +1,13 @@
 from __future__ import absolute_import, division, unicode_literals
 
 from six import text_type
-from six.moves import http_client, urllib
+
+try:
+    from six.moves import http_client, urllib
+except ModuleNotFoundError:
+    # Support for Python 3.12+ where six.moves is not available. 
+    import http.client as http_client
+    import urllib
 
 import codecs
 import re

html5lib/filters/sanitizer.py

@@ -12,7 +12,11 @@
 import warnings
 from xml.sax.saxutils import escape, unescape
 
-from six.moves import urllib_parse as urlparse
+try:
+    from six.moves import urllib_parse as urlparse
+except ModuleNotFoundError:
+    # Support for Python 3.12+ where six.moves is not available. 
+    import urllib.parse as urlparse
 
 from . import base
 from ..constants import namespaces, prefixes

html5lib/tests/test_stream.py

@@ -9,7 +9,13 @@
 import pytest
 
 import six
-from six.moves import http_client, urllib
+
+try:
+    from six.moves import http_client, urllib
+except ModuleNotFoundError:
+    # Support for Python 3.12+ where six.moves is not available. 
+    import http.client as http_client
+    import urllib
 
 from html5lib._inputstream import (BufferedStream, HTMLInputStream,
                                    HTMLUnicodeInputStream, HTMLBinaryInputStream)