added __all__ lists to a number of Python modules
added test script and expected output file as well
this closes patch 103297.
__all__ attributes will be added to other modules without first submitting
a patch, just adding the necessary line to the test script to verify
more-or-less correct implementation.
diff --git a/Lib/commands.py b/Lib/commands.py
index a21460d..cfbb541 100644
--- a/Lib/commands.py
+++ b/Lib/commands.py
@@ -19,6 +19,8 @@
[Note: it would be nice to add functions to interpret the exit status.]
"""
+__all__ = ["getstatusoutput","getoutput","getstatus"]
+
# Module 'commands'
#
# Various tools for executing commands and looking at their output and status.