I'm very happy to announce that the core Python repository switch to Mercurial is complete and the new repository at http://hg.python.org/cpython/ is now officially open for cloning, and for commits by those who had commit access to SVN.
The developers' guide at http://docs.python.org/devguide/ has been updated to talk about Mercurial and should be enough to get anyone started with a clone.
We'll work on extracting active feature branches into separate clones next; please let us know which branches these are (we already know of py3k-cdecimal, pep-3151 and pep-382).
To make new feature "branches" (ie. clones) that are to be available at hg.python.org, best use the "server side clone" feature that is available at http://hg.python.org/cpython/ in order to create the new repository.
To look up SVN revisions, use hg.python.org/lookup/rXXXXX. The tracker has also been updated to link to hg.python.org for files and revisions. For the future, it will recognize hg changeset hashes as well (without brackets, see the recent thread).
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