Merged revisions 72167 via svnmerge from
svn+ssh://pythondev@svn.python.org/python/trunk
........
r72167 | walter.doerwald | 2009-05-01 19:35:37 +0200 (Fr, 01 Mai 2009) | 5 lines
Make test.test_support.EnvironmentVarGuard behave like a dictionary.
All changes are mirrored to the underlying os.environ dict, but rolled back
on exit from the with block.
........
diff --git a/Doc/library/test.rst b/Doc/library/test.rst
index d196678..2da63ac 100644
--- a/Doc/library/test.rst
+++ b/Doc/library/test.rst
@@ -384,8 +384,13 @@
.. class:: EnvironmentVarGuard()
Class used to temporarily set or unset environment variables. Instances can be
- used as a context manager.
+ used as a context manager and have a complete dictionary interface for
+ querying/modifying the underlying ``os.environ``. After exit from the context
+ manager all changes to environment variables done through this instance will
+ be rolled back.
+ .. versionchanged:: 2.7
+ Added dictionary interface.
.. method:: EnvironmentVarGuard.set(envvar, value)
@@ -396,6 +401,7 @@
Temporarily unset the environment variable ``envvar``.
+
.. class:: WarningsRecorder()
Class used to record warnings for unit tests. See documentation of