Bump pyupgrade target to 3.10+

... according to the versions currently supported.

Change-Id: Iae501ca85ea947c86cb10c2631ea265ef97741ed
Signed-off-by: Takashi Kajinami <kajinamit@oss.nttdata.com>

.pre-commit-config.yaml

@@ -26,4 +26,4 @@ repos:
     rev: v3.20.0
     hooks:
       - id: pyupgrade
-        args: [--py3-only]
+        args: [--py310-plus]

tooz/drivers/memcached.py

@@ -44,7 +44,7 @@ def _failure_translator():
     except pymemcache_client.MemcacheUnexpectedCloseError as e:
         utils.raise_with_cause(coordination.ToozConnectionError,
                                str(e), cause=e)
-    except (socket.timeout, OSError, socket.gaierror, socket.herror) as e:
+    except (TimeoutError, OSError, socket.gaierror, socket.herror) as e:
         # TODO(harlowja): get upstream pymemcache to produce a better
         # exception for these, using socket (vs. a memcache specific
         # error) seems sorta not right and/or the best approach...

tooz/drivers/pgsql.py

@@ -53,7 +53,7 @@ _DIAGNOSTICS_ATTRS = tuple([
 
 def _format_exception(e):
     lines = [
-        "{}: {}".format(type(e).__name__, str(e).strip()),
+        f"{type(e).__name__}: {str(e).strip()}",
     ]
     if hasattr(e, 'pgcode') and e.pgcode is not None:
         lines.append("Error code: %s" % e.pgcode)
@@ -68,7 +68,7 @@ def _format_exception(e):
             attr_value = getattr(e.diag, attr_name)
             if attr_value is None:
                 continue
-            diagnostic_lines.append("  {} = {}".format(attr_name, attr_value))
+            diagnostic_lines.append(f"  {attr_name} = {attr_value}")
         if diagnostic_lines:
             lines.append('Diagnostics:')
             lines.extend(diagnostic_lines)

tooz/drivers/redis.py

@@ -71,7 +71,7 @@ def _handle_failures(n_tries=15):
 
 class RedisLock(locking.Lock):
     def __init__(self, coord, client, name, timeout):
-        name = "{}_{}_lock".format(coord.namespace, str(name))
+        name = f"{coord.namespace}_{str(name)}_lock"
         super().__init__(name)
         # NOTE(jd) Make sure we don't release and heartbeat at the same time by
         # using a exclusive access lock (LP#1557593)

tooz/drivers/zookeeper.py

@@ -432,7 +432,7 @@ class KazooDriver(coordination.CoordinationDriverCachedRunWatchers):
             username = parsed_url.username
             password = parsed_url.password
 
-            digest_auth = "{}:{}".format(username, password)
+            digest_auth = f"{username}:{password}"
             digest_acl = security.make_digest_acl(username, password, all=True)
             default_acl = (digest_acl,)
             auth_data = [('digest', digest_auth)]