Skip inspect.stack also when debug logging is disabled

gramps/gen/db/dummydb.py

@@ -157,7 +157,7 @@ def wrapper(method):
         This 'wrapped' method logs the original function that was called, and
         where it was called from.
         """
-        if __debug__:
+        if __debug__ and LOG.isEnabledFor(logging.DEBUG):
             class_name = args[0].__class__.__name__
             func_name = method.__name__
             frame = inspect.currentframe()

gramps/gen/db/txn.py

@@ -77,7 +77,7 @@ class DbTxn(defaultdict):
             self.db.transaction_abort(self)
 
         elapsed_time = time.time() - self.start_time
-        if __debug__:
+        if __debug__ and _LOG.isEnabledFor(logging.DEBUG):
             frame = inspect.currentframe()
             c_frame = frame.f_back
             c_code = c_frame.f_code
@@ -122,7 +122,7 @@ class DbTxn(defaultdict):
         """
 
         # Conditional on __debug__ because all that frame stuff may be slow
-        if __debug__:
+        if __debug__ and _LOG.isEnabledFor(logging.DEBUG):
             caller_frame = inspect.stack()[1]
             # If the call comes from gramps.gen.db.generic.DbGenericTxn.__init__
             # then it is just a dummy redirect, so we need to go back another

gramps/gen/db/utils.py

@@ -71,7 +71,7 @@ def make_database(plugin_id):
         if mod:
             database = getattr(mod, pdata.databaseclass)
             db = database()
-            if __debug__:
+            if __debug__ and _LOG.isEnabledFor(logging.DEBUG):
                 import inspect
                 frame = inspect.currentframe()
                 c_frame = frame.f_back

gramps/gen/dbstate.py

@@ -85,7 +85,7 @@ class DbState(Callback):
         This replaces tests on DbState.open, DbState.db, DbState.db.is_open()
         and DbState.db.db_is_open all of which are deprecated.
         """
-        if __debug__:
+        if __debug__ and _LOG.isEnabledFor(logging.DEBUG):
             class_name = self.__class__.__name__
             func_name = "is_open"
             frame = inspect.currentframe()