Accept lowercase logging level names and accept tuples when setting exception handlers (#1233)

* Accept lowercase logging level names

* Accept both lists and tuples when setting Worker exception_handlers

rq/logutils.py

@@ -20,7 +20,9 @@ def setup_loghandlers(level=None, date_format=DEFAULT_LOGGING_DATE_FORMAT,
         logger.addHandler(handler)
 
     if level is not None:
-        logger.setLevel(level)
+        # The level may be a numeric value (e.g. when using the logging module constants)
+        # Or a string representation of the logging level
+        logger.setLevel(level if isinstance(level, int) else level.upper())
 
 
 def _has_effective_handler(logger):

rq/worker.py

@@ -210,7 +210,7 @@ class Worker(object):
 
         self.disable_default_exception_handler = disable_default_exception_handler
 
-        if isinstance(exception_handlers, list):
+        if isinstance(exception_handlers, (list, tuple)):
             for handler in exception_handlers:
                 self.push_exc_handler(handler)
         elif exception_handlers is not None: