Merged revisions 76312 via svnmerge from
svn+ssh://pythondev@svn.python.org/python/trunk

........
  r76312 | nick.coghlan | 2009-11-16 08:36:47 +1000 (Mon, 16 Nov 2009) | 1 line

  Issue #7328: don't corrupt sys.path when running pydoc with the -m switch
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diff --git a/Lib/pydoc.py b/Lib/pydoc.py
index 9920fcb..4cf9066 100755
--- a/Lib/pydoc.py
+++ b/Lib/pydoc.py
@@ -2254,11 +2254,13 @@
     import getopt
     class BadUsage: pass
 
-    # Scripts don't get the current directory in their path by default.
-    scriptdir = os.path.dirname(sys.argv[0])
-    if scriptdir in sys.path:
-        sys.path.remove(scriptdir)
-    sys.path.insert(0, '.')
+    # Scripts don't get the current directory in their path by default
+    # unless they are run with the '-m' switch
+    if '' not in sys.path:
+        scriptdir = os.path.dirname(sys.argv[0])
+        if scriptdir in sys.path:
+            sys.path.remove(scriptdir)
+        sys.path.insert(0, '.')
 
     try:
         opts, args = getopt.getopt(sys.argv[1:], 'gk:p:w')