From: Mark Hammond <mhammond@skippinet.com.au>
Date: Wed, 11 Sep 2002 13:22:35 +0000 (+0000)
Subject: Ignore IOError exceptions when writing the message.
X-Git-Tag: v2.3c1~4138
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=51a0ae3f97cdeccd57f733fd62417b59619e3bf7;p=python

Ignore IOError exceptions when writing the message.
---

diff --git a/Lib/warnings.py b/Lib/warnings.py
index 383e62383a..a74e1bab80 100644
--- a/Lib/warnings.py
+++ b/Lib/warnings.py
@@ -107,7 +107,10 @@ def showwarning(message, category, filename, lineno, file=None):
     """Hook to write a warning to a file; replace if you like."""
     if file is None:
         file = sys.stderr
-    file.write(formatwarning(message, category, filename, lineno))
+    try:
+        file.write(formatwarning(message, category, filename, lineno))
+    except IOError:
+        pass # the file (probably stderr) is invalid - this warning gets lost.
 
 def formatwarning(message, category, filename, lineno):
     """Function to format a warning the standard way."""