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Update about on-demand creation.

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Barry Warsaw 2010-03-23 23:17:33 +00:00
parent b1c944fbd2
commit ceadcf5f92
1 changed files with 14 additions and 1 deletions
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pep-3147.txt
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@ -262,7 +262,8 @@ Case 5: read-only file systems
When the source lives on a read-only file system, or the `__pycache__` When the source lives on a read-only file system, or the `__pycache__`
directory or pyc file cannot otherwise be written, all the same rules directory or pyc file cannot otherwise be written, all the same rules
apply. apply. This is also the case when `__pycache__` happens to be written
with permissions which do not allow for writing containing pyc files.
@ -569,6 +570,18 @@ in better with future possible use cases such as JIT output from
Unladen Swallow. Unladen Swallow.
On-demand creation
------------------
The original use case was to support multiple versions of Python on
the same system. This could be accomplished solely through
pre-creation of `__pycache__` directories during the compilation phase
of installation, without also supporting on-demand creation of the
`__pycache__` directories. It seems however the consensus to be that
on-demand creation is useful enough to keep since it reduces clutter
in source directories.
References References
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