From 49b744f77d79286bef5c79cdd710cdbda03989a1 Mon Sep 17 00:00:00 2001
From: Damien Elmes <git@ichi2.net>
Date: Sat, 11 Dec 2010 22:04:24 +0900
Subject: [PATCH] limit plugin warning to once a session

---
 anki/facts.py | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/anki/facts.py b/anki/facts.py
index c0724a943..3d21faf14 100644
--- a/anki/facts.py
+++ b/anki/facts.py
@@ -135,9 +135,11 @@ class Fact(object):
         if textChanged:
             if not deck:
                 # FIXME: compat code
-                import sys; sys.stderr.write(
-                    "plugin needs to pass deck to fact.setModified()")
                 import ankiqt
+                if not getattr(ankiqt, 'setModWarningShown', None):
+                    import sys; sys.stderr.write(
+                        "plugin needs to pass deck to fact.setModified()")
+                    ankiqt.setModWarningShown = True
                 deck = ankiqt.mw.deck
             assert deck
             self.spaceUntil = stripHTMLMedia(u" ".join(