Logging statements: Use f-strings

Author: tony

src/libtmux/common.py

@@ -267,7 +267,11 @@ def __init__(self, *args: t.Any, **kwargs: t.Any) -> None:
         else:
             self.stdout = stdout_split
 
-        logger.debug("self.stdout for {}: \n{}".format(" ".join(cmd), self.stdout))
+        logger.debug(
+            "self.stdout for {cmd}: {stdout}".format(
+                cmd=" ".join(cmd), stdout=self.stdout
+            )
+        )
 
 
 # class TmuxMappingObject(t.Mapping[str, t.Union[str,int,bool]]):

src/libtmux/pytest_plugin.py

@@ -204,7 +204,7 @@ def session(request: pytest.FixtureRequest, server: Server) -> "Session":
         pass
 
     for old_test_session in old_test_sessions:
-        logger.debug("Old test test session %s found. Killing it." % old_test_session)
+        logger.debug(f"Old test test session {old_test_session} found. Killing it.")
         server.kill_session(old_test_session)
     assert TEST_SESSION_NAME == session.get("session_name")
     assert TEST_SESSION_NAME != "tmuxp"

src/libtmux/server.py

@@ -364,7 +364,7 @@ def attached_sessions(self) -> t.Optional[t.List[Session]]:
             attached = session.get("session_attached")
             # for now session_active is a unicode
             if attached != "0":
-                logger.debug("session %s attached", session.get("name"))
+                logger.debug(f"session {session.get('name')} attached")
                 attached_sessions.append(session)
             else:
                 continue
@@ -564,7 +564,7 @@ def new_session(
                         "Session named %s exists" % session_name
                     )
 
-        logger.debug("creating session %s" % session_name)
+        logger.debug(f"creating session {session_name}")
 
         sformats = formats.SESSION_FORMATS
         tmux_formats = ["#{%s}" % f for f in sformats]