commit 58682b7fe53d9bf7fefea59413d47ddd3c9a7d5f
author Martin v. Löwis <martin@v.loewis.de> Sat Aug 11 15:02:57 2001 +0000
committer Martin v. Löwis <martin@v.loewis.de> Sat Aug 11 15:02:57 2001 +0000
tree 900facacfa724e3b211ffb331c6d586e453de606
parent f3456912e46ba74233e219a94f48e29c85280abc

Only catch the errors that can actually occur, as reported in bug #411881.

Lib/types.py

diff --git a/Lib/types.py b/Lib/types.py
index 742b8cc..01af463 100644
--- a/Lib/types.py
+++ b/Lib/types.py
@@ -31,7 +31,8 @@
 LambdaType = type(lambda: None)         # Same as FunctionType
 try:
     CodeType = type(_f.func_code)
-except:
+except RuntimeError:
+    # Execution in restricted environment
     pass
 
 def g():
@@ -54,7 +55,8 @@
 
 try:
     FileType = type(sys.__stdin__)
-except:
+except AttributeError:
+    # Not available in restricted mode
     pass
 XRangeType = type(xrange(0))
 
@@ -65,7 +67,9 @@
         tb = sys.exc_info()[2]
         TracebackType = type(tb)
         FrameType = type(tb.tb_frame)
-    except:
+    except AttributeError:
+        # In the restricted environment, exc_info returns (None, None,
+        # None) Then, tb.tb_frame gives an attribute error
         pass
     tb = None; del tb
 

Lib/urllib.py

diff --git a/Lib/urllib.py b/Lib/urllib.py
index 82b5fb9..f60a841 100644
--- a/Lib/urllib.py
+++ b/Lib/urllib.py
@@ -134,7 +134,7 @@
             for file in self.__tempfiles:
                 try:
                     self.__unlink(file)
-                except:
+                except OSError:
                     pass
             del self.__tempfiles[:]
         if self.tempcache:
@@ -1069,7 +1069,7 @@
             try:
                 myappend(mychr(myatoi(item[:2], 16))
                      + item[2:])
-            except:
+            except ValueError:
                 myappend('%' + item)
         else:
             myappend('%' + item)