-X frozen_modules not defaulting to "off" on Windows when running in source tree?

[ericsnowcurrently]

BPO	45651
Nosy	@gvanrossum, @ericsnowcurrently, @FFY00

^{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 = None
created_at = <Date 2021-10-28.17:09:35.792>
labels = ['interpreter-core', 'type-bug', '3.11']
title = '-X frozen_modules not defaulting to "off" on Windows when running in source tree?'
updated_at = <Date 2021-11-04.16:04:32.727>
user = 'https://github.com/ericsnowcurrently'

bugs.python.org fields:

activity = <Date 2021-11-04.16:04:32.727>
actor = 'gvanrossum'
assignee = 'none'
closed = False
closed_date = None
closer = None
components = ['Interpreter Core']
creation = <Date 2021-10-28.17:09:35.792>
creator = 'eric.snow'
dependencies = []
files = []
hgrepos = []
issue_num = 45651
keywords = []
message_count = 3.0
messages = ['405201', '405730', '405732']
nosy_count = 3.0
nosy_names = ['gvanrossum', 'eric.snow', 'FFY00']
pr_nums = []
priority = 'normal'
resolution = None
stage = None
status = 'open'
superseder = None
type = 'behavior'
url = 'https://bugs.python.org/issue45651'
versions = ['Python 3.11']

[ericsnowcurrently]

(forked from https://bugs.python.org/issue45020#msg404344)

On Mon, Oct 18, 2021 at 7:14 PM Guido van Rossum <report@bugs.python.org> wrote:

I built on Windows with default options (PCbuild\build.bat) and it looks like the frozen modules are used by default even though I am running in the source directory. (I put a printf() call in unmarshal_frozen_code().)

We need to verify if this is still the case. First we need to make sure there's a test that checks the default (both when running out of the source tree and when not). I suspect the case Guido observed hasn't been fixed yet.

[ericsnowcurrently]

maybe related: #29041 (comment)

[gvanrossum]

Yes, that’s definitely the problem.

[kumaraditya303]

@gvanrossum Can you verify if this issue still exists after #91173 ?

[gvanrossum]

Verified on Mac that in a debug build from source in the repo, os is not frozen. 👍