Replace all remaining six usage with native Python 3 equivalents (#7704)

synapse/api/errors.py

@@ -17,10 +17,9 @@
 """Contains exceptions and error codes."""
 
 import logging
+from http import HTTPStatus
 from typing import Dict, List
 
-from six.moves import http_client
-
 from canonicaljson import json
 
 from twisted.web import http
@@ -173,7 +172,7 @@ class ConsentNotGivenError(SynapseError):
             consent_url (str): The URL where the user can give their consent
         """
         super(ConsentNotGivenError, self).__init__(
-            code=http_client.FORBIDDEN, msg=msg, errcode=Codes.CONSENT_NOT_GIVEN
+            code=HTTPStatus.FORBIDDEN, msg=msg, errcode=Codes.CONSENT_NOT_GIVEN
         )
         self._consent_uri = consent_uri
 
@@ -193,7 +192,7 @@ class UserDeactivatedError(SynapseError):
             msg (str): The human-readable error message
         """
         super(UserDeactivatedError, self).__init__(
-            code=http_client.FORBIDDEN, msg=msg, errcode=Codes.USER_DEACTIVATED
+            code=HTTPStatus.FORBIDDEN, msg=msg, errcode=Codes.USER_DEACTIVATED
         )
 
 

synapse/api/filtering.py

@@ -17,8 +17,6 @@
 # limitations under the License.
 from typing import List
 
-from six import text_type
-
 import jsonschema
 from canonicaljson import json
 from jsonschema import FormatChecker
@@ -313,7 +311,7 @@ class Filter(object):
 
             content = event.get("content", {})
             # check if there is a string url field in the content for filtering purposes
-            contains_url = isinstance(content.get("url"), text_type)
+            contains_url = isinstance(content.get("url"), str)
             labels = content.get(EventContentFields.LABELS, [])
 
         return self.check_fields(room_id, sender, ev_type, labels, contains_url)

synapse/api/urls.py

@@ -17,8 +17,7 @@
 """Contains the URL paths to prefix various aspects of the server with. """
 import hmac
 from hashlib import sha256
-
-from six.moves.urllib.parse import urlencode
+from urllib.parse import urlencode
 
 from synapse.config import ConfigError