From 26fd2e1dcc6f07f6c58127a790312850849c1c60 Mon Sep 17 00:00:00 2001
From: Georg Brandl <georg@python.org>
Date: Wed, 8 Mar 2006 09:34:53 +0000
Subject: [PATCH] Fix pydoc.synopsis() so that it doesn't error out with an
 unreadable module.

---
 Lib/pydoc.py | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/Lib/pydoc.py b/Lib/pydoc.py
index 2bcf4c997b8..ee45643b432 100755
--- a/Lib/pydoc.py
+++ b/Lib/pydoc.py
@@ -188,7 +188,11 @@ def synopsis(filename, cache={}):
     lastupdate, result = cache.get(filename, (0, None))
     if lastupdate < mtime:
         info = inspect.getmoduleinfo(filename)
-        file = open(filename)
+        try:
+            file = open(filename)
+        except IOError:
+            # module can't be opened, so skip it
+            return None
         if info and 'b' in info[2]: # binary modules have to be imported
             try: module = imp.load_module('__temp__', file, filename, info[1:])
             except: return None