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[Windows] Document the launcher's -64 suffix #78103

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mrh1997 mannequin opened this issue Jun 20, 2018 · 6 comments
Closed

[Windows] Document the launcher's -64 suffix #78103

mrh1997 mannequin opened this issue Jun 20, 2018 · 6 comments
Labels
3.7 (EOL) end of life 3.8 only security fixes docs Documentation in the Doc dir OS-windows type-feature A feature request or enhancement

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@mrh1997
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mrh1997 mannequin commented Jun 20, 2018

BPO 33922
Nosy @pfmoore, @tjguk, @zware, @eryksun, @zooba, @mrh1997, @miss-islington
PRs
  • bpo-33922: Adding documentation for new "-64" suffix of python launcher #7849
  • [3.7] bpo-33922: Adding documentation for new "-64" suffix of Python launcher (GH-7849) #12812
    		•
    Dependencies
  • bpo-30291: Allow windows launcher to specify bit lengths with & without minor version
    		•

    Note: these values reflect the state of the issue at the time it was migrated and might not reflect the current state.

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    GitHub fields:

    assignee = None
closed_at = <Date 2019-04-13.10:55:55.347>
created_at = <Date 2018-06-20.23:43:42.416>
labels = ['3.8', 'type-feature', '3.7', 'OS-windows', 'docs']
title = "[Windows] Document the launcher's -64 suffix"
updated_at = <Date 2019-04-13.10:55:55.347>
user = 'https://github.com/mrh1997'

    bugs.python.org fields:

    activity = <Date 2019-04-13.10:55:55.347>
actor = 'cheryl.sabella'
assignee = 'docs@python'
closed = True
closed_date = <Date 2019-04-13.10:55:55.347>
closer = 'cheryl.sabella'
components = ['Documentation', 'Windows']
creation = <Date 2018-06-20.23:43:42.416>
creator = 'mrh1997'
dependencies = ['30291']
files = []
hgrepos = []
issue_num = 33922
keywords = ['patch']
message_count = 6.0
messages = ['320127', '320130', '320141', '320197', '340118', '340121']
nosy_count = 8.0
nosy_names = ['paul.moore', 'tim.golden', 'docs@python', 'zach.ware', 'eryksun', 'steve.dower', 'mrh1997', 'miss-islington']
pr_nums = ['7849', '12812']
priority = 'normal'
resolution = 'fixed'
stage = 'resolved'
status = 'closed'
superseder = None
type = 'enhancement'
url = 'https://bugs.python.org/issue33922'
versions = ['Python 3.7', 'Python 3.8']
    @mrh1997
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    mrh1997 mannequin commented Jun 20, 2018

    When using the Python Launcher "py.exe", it uses 64bit by default and I can enforce using 32bit.

    But there is no way to enforce 64bit. If I run "py -3.6" the actual called interpreter depends on the interpreter versions installed on my system.

    Thus "py -3.6-64" is missing.
    This is important if 64bit features are required.

    @mrh1997 mrh1997 mannequin added OS-windows type-feature A feature request or enhancement labels Jun 20, 2018
    @eryksun
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    eryksun commented Jun 21, 2018

    Limiting to 64-bit is already implemented in the latest version of the launcher. For example, below I've renamed the registry key for 64-bit Python 3.5 to "xxx3.5" to prevent the launcher from finding it:

    C:\>py -3.5-64
Python 3.5-64 not found!
Installed Pythons found by py Launcher for Windows
 -xxx-64
 -3.7-64 *
 -3.7-32
 -3.6-64
 -3.6-32
 -3.5-32
 -2.7-64
 -2.7-32

Requested Python version (3.5-64) not installed, use -0 for available pythons

    -0p also lists the path for each executable. It's a bit rough around the edges that it lists the available versions and then tells the user to list them via -0 instead of the more general advice to use -h or --help for available options.

    The long names for -0 and -0p are --list and --list-paths, but currently these do not work. That should be easy to fix in the launcher's process() function if you want to contribute a patch.

    @eryksun eryksun closed this as completed Jun 21, 2018
    @mrh1997
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    mrh1997 mannequin commented Jun 21, 2018

    A thanks!

    In the meantime I found the corresponding changelog entry:
    https://bugs.python.org/issue30291

    I checked the corresponding commit:

    there is no documentation update. It would be nice if the new feature can be found in the documentation (including the fact that -64 is only supported after installing python 3.7 or newer)...

    @mrh1997
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    mrh1997 mannequin commented Jun 21, 2018

    I extended the documentation and created a pullrequest:

    #7849

    @eryksun eryksun added 3.7 (EOL) end of life 3.8 only security fixes docs Documentation in the Doc dir labels Jul 6, 2018
    @eryksun eryksun reopened this Jul 6, 2018
    @eryksun eryksun changed the title Enforce 64bit Python by Launcher [Windows] Document the launcher's -64 suffix Jul 6, 2018
    @zooba
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    zooba commented Apr 12, 2019

    New changeset 1e2ad6c by Steve Dower (mrh1997) in branch 'master':
    bpo-33922: Adding documentation for new "-64" suffix of Python launcher (GH-7849)
    1e2ad6c

    @miss-islington
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    New changeset 395bb94 by Miss Islington (bot) in branch '3.7':
    bpo-33922: Adding documentation for new "-64" suffix of Python launcher (GH-7849)
    395bb94

    @ezio-melotti ezio-melotti transferred this issue from another repository Apr 10, 2022
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