tree 76c26b8b036b4b06c0140c01e24f1a5a334afdd4
parent 5399910eba1ef3580aebf49482b1367f14fa6c48
author Brett Cannon <bcannon@gmail.com> 1167870229 +0000
committer Brett Cannon <bcannon@gmail.com> 1167870229 +0000
HG:extra convert_revision:svn%3A6015fed2-1504-0410-9fe1-9d1591cc4771/python/branches/legacy-trunk%4053232

Add EnvironmentVarGuard to test.test_support.  Provides a context manager to
temporarily set or unset environment variables.