From 29db4a554996089309b743acbafa97123c3019fa Mon Sep 17 00:00:00 2001
From: Hendrik Buschmeier <hbuschme@uni-bielefeld.de>
Date: Mon, 26 Jan 2015 17:00:15 +0100
Subject: [PATCH] ipaaca-python: warn if handler function is registered more
than once.
---
ipaacalib/python/src/ipaaca/buffer.py | 2 ++
1 file changed, 2 insertions(+)
diff --git a/ipaacalib/python/src/ipaaca/buffer.py b/ipaacalib/python/src/ipaaca/buffer.py
index 7283039..cf9d3a8 100644
--- a/ipaacalib/python/src/ipaaca/buffer.py
+++ b/ipaacalib/python/src/ipaaca/buffer.py
@@ -155,6 +155,8 @@ class Buffer(object):
for_categories -- a list of category names or None if handler should
be called for all categories
"""
+ if handler_function in [h._handler_function for h in self._iu_event_handlers]:
+ LOGGER.warn("The handler function '" + handler_function.__name__ + '" has been registered before.')
handler = IUEventHandler(handler_function=handler_function, for_event_types=for_event_types, for_categories=for_categories)
self._iu_event_handlers.append(handler)
return handler
--
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