[issue43719] Master build failure on Windows getting file system encoding

[Pablo Galindo Salgado]

Pablo Galindo Salgado  added the comment:

Fixed by https://github.com/python/cpython/pull/25172

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resolution:  -> fixed
stage:  -> resolved
status: open -> closed

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[issue43719] Master build failure on Windows getting file system encoding

[Terry J. Reedy]

Change by Terry J. Reedy :


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priority: normal -> critical

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[issue43719] Master build failure on Windows getting file system encoding

[Terry J. Reedy]

Terry J. Reedy  added the comment:

Thanks everyone for the rapid responses.  The PR fixes the build for me, with a 
clean test suite pass, so I added reviewers who could merge, a blurb, and my 
approval.  This can be closed as out-of-date as soon as the (or a) fix is 
merged.

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[issue43719] Master build failure on Windows getting file system encoding

[Dennis Sweeney]

Dennis Sweeney  added the comment:

Correction: I opened GH-25172

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[issue43719] Master build failure on Windows getting file system encoding

[Dennis Sweeney]

Dennis Sweeney  added the comment:

I could not successfully build even with deletion of __pycache__ in subfolders. 
I finally got the build to succeed after changing the magic number, so I opened 
GH-25069.

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[issue43719] Master build failure on Windows getting file system encoding

[David Bolen]

David Bolen  added the comment:

Dennis, just to make sure I wasn't too literal, some of the __pycache__ folders 
are in subdirectories (at least in Tools), so just to double check, you did a 
recursive search beneath Tools and Parser right?

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[issue43719] Master build failure on Windows getting file system encoding

[Dennis Sweeney]

Dennis Sweeney  added the comment:

I ran into the same issue on Windows 10 and git bisected it to the same first 
bad commit, fcb55c0037baab6f98f91ee38ce84b6f874f034a

The issue persists after rm .\Parser\__pycache__\*
My .\Tools directory has no __pycache__.

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nosy: +Dennis Sweeney

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[issue43719] Master build failure on Windows getting file system encoding

[David Bolen]

David Bolen  added the comment:

Terry, it's not clear to me if this is the same issue (at first blush it 
appears different) but could you see if you have any pyc files in __pycache__ 
folders within the Tools or Parser directories in your tree that could be from 
prior builds?  If so, remove them and try a new build?

The build.bat script's clean process is not currently cleaning them up, which 
can lead to various oddities if you reuse a source tree across the commit 
Victor references, as that invalidates the older files but they aren't 
regenerated.

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nosy: +db3l

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[issue43719] Master build failure on Windows getting file system encoding

[STINNER Victor]

STINNER Victor  added the comment:

IMO it's https://bugs.python.org/issue27129#msg389991

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[issue43719] Master build failure on Windows getting file system encoding

[Terry J. Reedy]

Terry J. Reedy  added the comment:

Re ""f:\dev\3x\PC\validate_ucrtbase.py" ucrtbased" exited with co
de -1073741819."

f:\dev\3x>py -3.10 PC\validate_ucrtbase.py ucrtbased
C:\WINDOWS\SYSTEM32\ucrtbased.DLL is version 10.0.14393.33

so the failure is due to running the file with the nonfunctional python_d.exe.

In a text editor, encodings/__init__.py looks fine.
f:\dev\3x>py -3.10 f:\dev\3x\\lib\encodings\__init__.py
(to check text further) fails at line 33
  from . import alias

In any case, line 31 is 'import codecs'.  codecs.py looks fine and
f:\dev\3x>py -3.10 f:\dev\3x\\lib\codecs.py
runs without error, so its text appears to be intact.  Perhaps one of the 
imports of compiled C fail drastically.

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[issue43719] Master build failure on Windows getting file system encoding

[Terry J. Reedy]

New submission from Terry J. Reedy :

After a fresh update from upstream
> PCbuild\build.bat -D (or without -D)
on my machine ends with

  python.vcxproj -> f:\dev\3x\PCbuild\amd64\python_d.pdb (Full PDB)
  Python path configuration:
PYTHONHOME = (not set)
PYTHONPATH = 'f:\dev\3x\Lib'
program name = 'f:\dev\3x\PCbuild\amd64\python_d.exe'
isolated = 0
environment = 1
user site = 1
import site = 1
sys._base_executable = 'f:\\dev\\3x\\PCbuild\\amd64\\python_d.exe'
sys.base_prefix = 'f:\\dev\\3x'
sys.base_exec_prefix = 'f:\\dev\\3x'
sys.platlibdir = 'lib'
sys.executable = 'f:\\dev\\3x\\PCbuild\\amd64\\python_d.exe'
sys.prefix = 'f:\\dev\\3x'
sys.exec_prefix = 'f:\\dev\\3x'
sys.path = [
  'f:\\dev\\3x\\Lib',
  'f:\\dev\\3x\\PCbuild\\amd64\\python310_d.zip',
  'f:\\dev\\3x\\DLLs',
  'f:\\dev\\3x\\lib',
  'f:\\dev\\3x\\PCbuild\\amd64',
]
EXEC : Fatal Python warning : init_fs_encoding: failed to get the Python codec
of the filesystem encoding [f:\dev\3x\PCbuild\python.vcxproj]
  Python runtime state: core initialized
  Traceback (most recent call last):
File "f:\dev\3x\Lib\encodings\__init__.py", line 31, in 
f:\dev\3x\PCbuild\python.vcxproj(123,5): warning MSB3073: The command "setlocal
\r
f:\dev\3x\PCbuild\python.vcxproj(123,5): warning MSB3073: set PYTHONPATH=f:\dev
\3x\Lib\r
f:\dev\3x\PCbuild\python.vcxproj(123,5): warning MSB3073: "f:\dev\3x\PCbuild\am
d64\python_d.exe" "f:\dev\3x\PC\validate_ucrtbase.py" ucrtbased" exited with co
de -1073741819.
  pythonw.vcxproj -> f:\dev\3x\PCbuild\amd64\pythonw_d.exe
  pythonw.vcxproj -> f:\dev\3x\PCbuild\amd64\pythonw_d.pdb (Full PDB)

EXEC : Fatal Python warning : init_fs_encoding: failed to get the Python codec
of the filesystem encoding [f:\dev\3x\PCbuild\python.vcxproj]
f:\dev\3x\PCbuild\python.vcxproj(123,5): warning MSB3073: The command "setlocal
\r
f:\dev\3x\PCbuild\python.vcxproj(123,5): warning MSB3073: set PYTHONPATH=f:\dev
\3x\Lib\r
f:\dev\3x\PCbuild\python.vcxproj(123,5): warning MSB3073: "f:\dev\3x\PCbuild\am
d64\python_d.exe" "f:\dev\3x\PC\validate_ucrtbase.py" ucrtbased" exited with co
de -1073741819.

I believe I pulled and rebuilt fine just a few days ago. Subsequently running
> python
ends with

Fatal Python error: init_fs_encoding: failed to get the Python codec of the 
filesystem encoding
Python runtime state: core initialized
Traceback (most recent call last):
  File "f:\dev\3x\\lib\encodings\__init__.py", line 31, in 

Running > chkdsk F: /scan revealed no obvious disk error, but there could be 
corrupted bytes in some file, but I don't know what file(s) to check (if text) 
or delete and have git redownload.  Anyone else have a similar problem?

--
components: Build, Windows
keywords: 3.10regression
messages: 390140
nosy: pablogsal, paul.moore, steve.dower, terry.reedy, tim.golden, vstinner, 
zach.ware
priority: normal
severity: normal
status: open
title: Master build failure on Windows getting file system encoding
type: compile error
versions: Python 3.10

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