From: Benjamin Peterson <benjamin@python.org>
Date: Tue, 6 May 2008 22:31:52 +0000 (+0000)
Subject: Make the Python implementation of warnings compatible with the C implementation regar... 
X-Git-Tag: v2.6a3~15
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=323c40d48c4c1661a18336af16c59bc279fda571;p=python

Make the Python implementation of warnings compatible with the C implementation regarding non-callable showwarning
---

diff --git a/Lib/warnings.py b/Lib/warnings.py
index d9e6e44587..132a34da28 100644
--- a/Lib/warnings.py
+++ b/Lib/warnings.py
@@ -278,6 +278,9 @@ def warn_explicit(message, category, filename, lineno,
                 _show_warning(message, category, filename, lineno)
             else:
                 warn(showwarning_msg, DeprecationWarning)
+    if not callable(showwarning):
+        raise TypeError("warnings.showwarning() must be set to a "
+                        "function or method")
     # Print message and context
     showwarning(message, category, filename, lineno)