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bpo-33499: PYTHONPYCACHEPREFIX What's New entry (GH-7749)

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Initial What's New in Python 3.8 entry for `PYTHONPYCACHEPREFIX`.
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Nick Coghlan 2018-06-20 21:25:01 +10:00 • committed by GitHub
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Doc/whatsnew/3.8.rst
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@ -67,6 +67,20 @@ Summary -- Release highlights
New Features New Features
============ ============
Parallel filesystem cache for compiled bytecode files
-----------------------------------------------------
The new :envvar:`PYTHONPYCACHEPREFIX` setting (also available as
:option:`-X` ``pycache_prefix``) configures the implicit bytecode
cache to use a separate parallel filesystem tree, rather than
the default ``__pycache__`` subdirectories within each source
directory.
The location of the cache is reported in :data:`sys.pycache_prefix`
(:const:`None` indicates the default location in ``__pycache__``
subdirectories).
(Contributed by Carl Meyer in :issue:`33499`.)
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