8000 gh-1420: Add a note about long paths support to Windows buildbot setup by itamaro · Pull Request #1421 · python/devguide · GitHub
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gh-1420: Add a note about long paths support to Windows buildbot setup #1421

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Sep 28, 2024
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gh-1420: Add a note about long paths support to Windows buildbot setup #1421

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gh-1420: Add a note about long paths support to Windows buildbot setup
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@itamaro
itamaro committed Sep 27, 2024
commit e7c2e50dbdf8115c781346b9106393e32f8e2c39
12 changes: 12 additions & 0 deletions testing/new-buildbot-worker.rst
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Expand Up @@ -102,6 +102,18 @@ can put the ``buildarea`` wherever you want to)::
(Note that on Windows, the ``buildbot-worker`` command will be in the
:file:`Scripts` directory of your Python installation.)

On Windows, `the maximum length for a path is limited
<https://learn.microsoft.com/en-us/windows/win32/fileio/maximum-file-path-limitation>`_.
This might cause some tests to fail, unless long paths support is enabled.

Use this PowerShell command to check whether long paths are enabled::

Get-ItemProperty -Path "HKLM:\SYSTEM\CurrentControlSet\Control\FileSystem" -Name "LongPathsEnabled"

If the value is not "1", you can enable long paths using this PowerShell command::

New-ItemProperty -Path "HKLM:\SYSTEM\CurrentControlSet\Control\FileSystem" -Name "LongPathsEnabled" -Value 1 -PropertyType DWORD -Force

Once this initial worker setup completes, you should edit the files
``buildarea/info/admin`` and ``buildarea/info/host`` to provide your contact
info and information on the host configuration, respectively. This information
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