Move more xrange to six

plus a bonus next()

Signed-off-by: Adrian Tschira <nota@notafile.com>

synapse/federation/federation_client.py

@@ -19,6 +19,8 @@ import itertools
 import logging
 import random
 
+from six.moves import range
+
 from twisted.internet import defer
 
 from synapse.api.constants import Membership
@@ -413,7 +415,7 @@ class FederationClient(FederationBase):
 
         batch_size = 20
         missing_events = list(missing_events)
-        for i in xrange(0, len(missing_events), batch_size):
+        for i in range(0, len(missing_events), batch_size):
             batch = set(missing_events[i:i + batch_size])
 
             deferreds = [

synapse/handlers/room_list.py

@@ -15,6 +15,8 @@
 
 from twisted.internet import defer
 
+from six.moves import range
+
 from ._base import BaseHandler
 
 from synapse.api.constants import (
@@ -200,7 +202,7 @@ class RoomListHandler(BaseHandler):
             step = len(rooms_to_scan) if len(rooms_to_scan) != 0 else 1
 
         chunk = []
-        for i in xrange(0, len(rooms_to_scan), step):
+        for i in range(0, len(rooms_to_scan), step):
             batch = rooms_to_scan[i:i + step]
             logger.info("Processing %i rooms for result", len(batch))
             yield concurrently_execute(

synapse/storage/registration.py

@@ -22,6 +22,8 @@ from synapse.storage import background_updates
 from synapse.storage._base import SQLBaseStore
 from synapse.util.caches.descriptors import cached, cachedInlineCallbacks
 
+from six.moves import range
+
 
 class RegistrationWorkerStore(SQLBaseStore):
     @cached()
@@ -469,7 +471,7 @@ class RegistrationStore(RegistrationWorkerStore,
                 match = regex.search(user_id)
                 if match:
                     found.add(int(match.group(1)))
-            for i in xrange(len(found) + 1):
+            for i in range(len(found) + 1):
                 if i not in found:
                     return i
 

synapse/storage/schema/delta/30/as_users.py

@@ -14,6 +14,8 @@
 import logging
 from synapse.config.appservice import load_appservices
 
+from six.moves import range
+
 
 logger = logging.getLogger(__name__)
 
@@ -58,7 +60,7 @@ def run_upgrade(cur, database_engine, config, *args, **kwargs):
 
     for as_id, user_ids in owned.items():
         n = 100
-        user_chunks = (user_ids[i:i + 100] for i in xrange(0, len(user_ids), n))
+        user_chunks = (user_ids[i:i + 100] for i in range(0, len(user_ids), n))
         for chunk in user_chunks:
             cur.execute(
                 database_engine.convert_param_style(

synapse/storage/stream.py

@@ -47,6 +47,8 @@ from synapse.storage.engines import PostgresEngine, Sqlite3Engine
 import abc
 import logging
 
+from six.moves import range
+
 
 logger = logging.getLogger(__name__)
 
@@ -196,7 +198,7 @@ class StreamWorkerStore(EventsWorkerStore, SQLBaseStore):
 
         results = {}
         room_ids = list(room_ids)
-        for rm_ids in (room_ids[i:i + 20] for i in xrange(0, len(room_ids), 20)):
+        for rm_ids in (room_ids[i:i + 20] for i in range(0, len(room_ids), 20)):
             res = yield make_deferred_yieldable(defer.gatherResults([
                 preserve_fn(self.get_room_events_stream_for_room)(
                     room_id, from_key, to_key, limit, order=order,

synapse/storage/tags.py

@@ -22,6 +22,8 @@ from twisted.internet import defer
 import simplejson as json
 import logging
 
+from six.moves import range
+
 logger = logging.getLogger(__name__)
 
 
@@ -98,7 +100,7 @@ class TagsWorkerStore(AccountDataWorkerStore):
 
         batch_size = 50
         results = []
-        for i in xrange(0, len(tag_ids), batch_size):
+        for i in range(0, len(tag_ids), batch_size):
             tags = yield self.runInteraction(
                 "get_all_updated_tag_content",
                 get_tag_content,

synapse/util/async.py

@@ -27,6 +27,8 @@ from contextlib import contextmanager
 
 import logging
 
+from six.moves import range
+
 logger = logging.getLogger(__name__)
 
 
@@ -158,13 +160,13 @@ def concurrently_execute(func, args, limit):
     def _concurrently_execute_inner():
         try:
             while True:
-                yield func(it.next())
+                yield func(next(it))
         except StopIteration:
             pass
 
     return logcontext.make_deferred_yieldable(defer.gatherResults([
         preserve_fn(_concurrently_execute_inner)()
-        for _ in xrange(limit)
+        for _ in range(limit)
     ], consumeErrors=True)).addErrback(unwrapFirstError)
 
 

synapse/util/stringutils.py

@@ -15,6 +15,7 @@
 
 import random
 import string
+from six.moves import range
 
 _string_with_symbols = (
     string.digits + string.ascii_letters + ".,;:^&*-_+=#~@"
@@ -22,12 +23,12 @@ _string_with_symbols = (
 
 
 def random_string(length):
-    return ''.join(random.choice(string.ascii_letters) for _ in xrange(length))
+    return ''.join(random.choice(string.ascii_letters) for _ in range(length))
 
 
 def random_string_with_symbols(length):
     return ''.join(
-        random.choice(_string_with_symbols) for _ in xrange(length)
+        random.choice(_string_with_symbols) for _ in range(length)
     )
 
 

synapse/util/wheel_timer.py

@@ -13,6 +13,8 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
+from six.moves import range
+
 
 class _Entry(object):
     __slots__ = ["end_key", "queue"]
@@ -68,7 +70,7 @@ class WheelTimer(object):
         # Add empty entries between the end of the current list and when we want
         # to insert. This ensures there are no gaps.
         self.entries.extend(
-            _Entry(key) for key in xrange(last_key, then_key + 1)
+            _Entry(key) for key in range(last_key, then_key + 1)
         )
 
         self.entries[-1].queue.append(obj)