tree 476528c79622c96645adf554536eeeba0c4ee0d8
parent 8f79dd5d7cc3eb19d568f8e95f04ee33f1177d92
author Brett Cannon <brett@python.org> 1335401644 -0400
committer Brett Cannon <brett@python.org> 1335401644 -0400
HG:rename-source hg

Issue #14605: Make explicit the entries on sys.path_hooks that used to
be implicit.

Added a warning for when sys.path_hooks is found to be empty. Also
changed the meaning of None in sys.path_importer_cache to represent
trying sys.path_hooks again (an interpretation of previous semantics).
Also added a warning for when None was found.

The long-term goal is for None in sys.path_importer_cache to represent
the same as imp.NullImporter: no finder found for that sys.path entry.