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PEP 394: Allow for more flexibility in handling /usr/bin/python #989

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Merged
warsaw merged 16 commits into from
Jul 5, 2019
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PEP 394: Allow for more flexibility in handling /usr/bin/python #989

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PEP 394: Distributions can choose what does python mean
hroncok Apr 12, 2019
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fixup! PEP 394: Distributions can choose what does python mean
hroncok Apr 12, 2019
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fixup! PEP 394: Distributions can choose what does python mean
hroncok Apr 15, 2019
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fixup! PEP 394: Distributions can choose what does python mean
hroncok Apr 18, 2019
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PEP 394: Keep version agnostic shebang recommendation
ncoghlan May 7, 2019
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hroncok May 20, 2019
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Moving letters around
hroncok May 20, 2019
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Change the abstract
willingc May 20, 2019
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willingc May 20, 2019
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ValueError: some authors have more than one email address listed
hroncok May 20, 2019
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hroncok May 22, 2019
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encukou May 24, 2019
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Remove "preferred" shebang line wording
ncoghlan Jun 25, 2019
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ncoghlan Jun 25, 2019
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hroncok Jun 28, 2019
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encukou Jul 3, 2019
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fixup! PEP 394: Distributions can choose what does python mean
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@hroncok
hroncok committed Apr 18, 2019
commit 36e61fab741926628987a9a61f0dc6d5cb623b05
12 changes: 8 additions & 4 deletions pep-0394.txt
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Expand Up @@ -236,10 +236,14 @@ making such a change.
versa. That way, if a sysadmin does decide to replace the installed
``python`` file, they can do so without inadvertently deleting the
previously installed binary.
* When the Python 2 interpreter becomes uncommon, scripts should nevertheless
continue to use the ``python3`` convention rather that just ``python``. This
will ease transition in the event that yet another major version of Python
is released.
* Even as the Python 2 interpreter becomes less common, scripts should
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nevertheless continue to use the ``python3`` convention rather than just
``python``. In the event of a future Python 4.0 release, distributors may

@warsaw warsaw Jun 28, 2019

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I'd suggest leaving out any mention of Python 4. 1) it can create FUD; 2) it's entirely vaporware; 3) we don't even know whether there will be a Python 4 or what it will look like. We can always add a Python 4 recommendation when the time comes.

@willingc willingc Jun 28, 2019

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Agreed. Good catch @warsaw

then choose to simply alias ``python3`` to the same binary as ``python4``
(if the degree of change will be the same as in any other Python feature
release), or else they may choose to maintain parallel ``python3`` and
``python4`` stacks for a time (depending on the needs of their specific
audience).
* If these conventions are adhered to, it will become the case that the
``python`` command is only executed in an interactive manner as a user
convenience, or else when using a virtual environment or similar mechanism.
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