bpo-38972: Link to instructions to change PowerShell execution policy…

[d3r3kk]

… for venv activation

Add proposed documentation for venv + Windows + Powershell.

This change:

• Adds details on Set-ExecutionPolicy to venv site documenation.
• Also adds the same detail to the Activate.ps1 script itself as a .Note. You can see this if you use Get-Help Activation.ps1 -Full.

https://bugs.python.org/issue38972

[d3r3kk]

Not sure this change warrants a news entry?

[brettcannon]

Unfortunately docs CI is failing.

[bedevere-bot]

A Python core developer has requested some changes be made to your pull request before we can consider merging it. If you could please address their requests along with any other requests in other reviews from core developers that would be appreciated.

Once you have made the requested changes, please leave a comment on this pull request containing the phrase I have made the requested changes; please review again. I will then notify any core developers who have left a review that you're ready for them to take another look at this pull request.

[d3r3kk]

Reopen to see if the CI failing issue is still affecting my PR.

[brettcannon]

@d3r3kk looks like an Ubuntu server is done that serves some files needed to build things.

[d3r3kk]

Change seems decent other than the Ubuntu package service on Azure... 🤦‍♂️

[brettcannon]

Mainly fixing capitalization and using a fwlink instead of PS 7-specific link.

[miss-islington]

Thanks @d3r3kk for the PR, and @brettcannon for merging it 🌮🎉.. I'm working now to backport this PR to: 3.7, 3.8.
🐍🍒⛏🤖

[bedevere-bot]

GH-19311 is a backport of this pull request to the 3.8 branch.

[miss-islington]

Sorry, @d3r3kk and @brettcannon, I could not cleanly backport this to 3.7 due to a conflict.
Please backport using cherry_picker on command line.
cherry_picker 45217af29c7f380089af17beb48a5ea0560bbb9d 3.7

[bedevere-bot]

⚠️⚠️⚠️ Buildbot failure ⚠️⚠️⚠️

Hi! The buildbot AMD64 FreeBSD Non-Debug 3.8 has failed when building commit b7345c2.

What do you need to do:

1. Don't panic.
2. Check the buildbot page in the devguide if you don't know what the buildbots are or how they work.
3. Go to the page of the buildbot that failed (https://buildbot.python.org/all/#builders/173/builds/185) and take a look at the build logs.
4. Check if the failure is related to this commit (b7345c2) or if it is a false positive.
5. If the failure is related to this commit, please, reflect that on the issue and make a new Pull Request with a fix.

You can take a look at the buildbot page here:

https://buildbot.python.org/all/#builders/173/builds/185

Failed tests:

• test_compile
• test_asyncio

Failed subtests:

• test_create_server_ssl_verified - test.test_asyncio.test_events.KqueueEventLoopTests
• test_run_until_complete - test.test_asyncio.test_events.PollEventLoopTests

Summary of the results of the build (if available):

== Tests result: FAILURE then FAILURE ==

403 tests OK.

10 slowest tests:

• test_multiprocessing_spawn: 4 min 44 sec
• test_tokenize: 3 min 28 sec
• test_concurrent_futures: 3 min 26 sec
• test_tools: 2 min 53 sec
• test_lib2to3: 2 min 38 sec
• test_multiprocessing_forkserver: 2 min 25 sec
• test_asyncio: 2 min 14 sec
• test_io: 1 min 45 sec
• test_multiprocessing_fork: 1 min 40 sec
• test_pickle: 1 min 12 sec

1 test failed:
test_asyncio

19 tests skipped:
test_dbm_gnu test_devpoll test_epoll test_idle test_ioctl
test_msilib test_ossaudiodev test_spwd test_startfile test_tcl
test_tix test_tk test_ttk_guionly test_ttk_textonly test_turtle
test_winconsoleio test_winreg test_winsound test_zipfile64

2 re-run tests:
test_asyncio test_compile

Total duration: 16 min 48 sec

Click to see traceback logs

Traceback (most recent call last):
  File "/usr/home/buildbot/python/3.8.koobs-freebsd-9e36.nondebug/build/Lib/test/test_asyncio/test_events.py", line 275, in test_run_until_complete
    self.assertTrue(0.08 <= t1-t0 <= 0.8, t1-t0)
AssertionError: False is not true : 1.0404219990014099


Traceback (most recent call last):
  File "/usr/home/buildbot/python/3.8.koobs-freebsd-9e36.nondebug/build/Lib/test/test_asyncio/test_events.py", line 1105, in test_create_server_ssl_verified
    proto.transport.close()
AttributeError: 'NoneType' object has no attribute 'close'