SW-699: use RLock

LCS/PyCommon/threading_utils.py

@@ -30,9 +30,9 @@ import logging
 
 logger = logging.getLogger(__name__)
 
-class TimeoutLock(object):
+class TimeoutLock:
     """
-    A TimeoutLock is a threading.Lock which you can use in a 'with' context in conjunction with a timeout.
+    A TimeoutLock is a threading.RLock which you can use in a 'with' context in conjunction with a timeout.
     Apparently a threading.Lock class cannot be subclassed, hence this quite elaborate implementation wrapping most
     threading.Lock methods.
 
@@ -52,7 +52,7 @@ class TimeoutLock(object):
     See: https://stackoverflow.com/questions/16740104/python-lock-with-statement-and-timeout/16782391
     """
     def __init__(self):
-        self._lock = threading.Lock()
+        self._lock = threading.RLock()
 
     def acquire(self, blocking=True, timeout=-1):
         """wrapper around threading.Lock.aquire"""