[issue38533] v3.7.5 py script run ok with python.exe but not pythonw.exe (python silent console not working)

[Steve Dower]

Steve Dower  added the comment:

Assuming the fix for this was released, given lack of other information.

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

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[issue38533] v3.7.5 py script run ok with python.exe but not pythonw.exe (python silent console not working)

[Steve Dower]

Steve Dower  added the comment:

> FWIW, the very first thing that I checked was the dependencies of pythonw.exe

The version in the Store has a different build of pythonw.exe (because it has 
to be able to determine its user site-packages location differently).

Dump of file C:\Program 
Files\WindowsApps\PythonSoftwareFoundation.Python.3.7_3.7.1520.0_x64__hd69rhyc2wevp\pythonw.exe

File Type: EXECUTABLE IMAGE

  Image has the following dependencies:

api-ms-win-core-libraryloader-l1-2-0.dll
api-ms-win-core-com-l1-1-0.dll
api-ms-win-core-errorhandling-l1-1-0.dll
SHELL32.dll
python37.dll
MSVCP140.dll  ** bug here, but already fixed for next release
VCRUNTIME140.dll
api-ms-win-crt-runtime-l1-1-0.dll
api-ms-win-crt-environment-l1-1-0.dll
api-ms-win-crt-heap-l1-1-0.dll
api-ms-win-crt-math-l1-1-0.dll
api-ms-win-crt-stdio-l1-1-0.dll
api-ms-win-crt-locale-l1-1-0.dll
api-ms-win-crt-string-l1-1-0.dll
api-ms-win-core-handle-l1-1-0.dll
api-ms-win-core-synch-l1-1-0.dll
api-ms-win-core-rtlsupport-l1-1-0.dll
api-ms-win-core-processthreads-l1-1-0.dll
api-ms-win-core-processthreads-l1-1-1.dll
api-ms-win-core-debug-l1-1-0.dll
api-ms-win-core-profile-l1-1-0.dll
api-ms-win-core-sysinfo-l1-1-0.dll
api-ms-win-core-interlocked-l1-1-0.dll
KERNEL32.dll
api-ms-win-core-winrt-l1-1-0.dll
api-ms-win-core-winrt-string-l1-1-0.dll
OLEAUT32.dll
api-ms-win-core-winrt-error-l1-1-1.dll
api-ms-win-core-winrt-error-l1-1-0.dll

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[issue38533] v3.7.5 py script run ok with python.exe but not pythonw.exe (python silent console not working)

[Terry J. Reedy]

Terry J. Reedy  added the comment:

For me, 'pyw -3.7 -m idlelib' in Command Prompt opens IDLE with 3.7.5.  So does 
the equivalent run by clicking the IDLE icon:
C:\Programs\Python37\pythonw.exe "C:\Programs\Python37\Lib\idlelib\idle.pyw"

This report reminds me that I should continue to install and minimally test 
each release.

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nosy: +terry.reedy

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[issue38533] v3.7.5 py script run ok with python.exe but not pythonw.exe (python silent console not working)

[Eryk Sun]

Eryk Sun  added the comment:

> At least one package in 3.8 still contained a dependency on the C++ 
> runtime

FWIW, the very first thing that I checked was the dependencies of pythonw.exe, 
in case maybe I had a dependent DLL that's not distributed with Windows. 
There's nothing out of the ordinary:

C:\Program Files\Python37>sigcheck -nobanner pythonw.exe
C:\Program Files\Python37\pythonw.exe:
Verified:   Signed
Signing date:   7:12 PM 10/14/2019
Publisher:  Python Software Foundation
Company:Python Software Foundation
Description:Python
Product:Python
Prod version:   3.7.5
File version:   3.7.5
MachineType:64-bit

C:\Program Files\Python37>dumpbin /nologo /dependents pythonw.exe

Dump of file pythonw.exe

File Type: EXECUTABLE IMAGE

  Image has the following dependencies:

python37.dll
VCRUNTIME140.dll
api-ms-win-crt-runtime-l1-1-0.dll
api-ms-win-crt-math-l1-1-0.dll
api-ms-win-crt-stdio-l1-1-0.dll
api-ms-win-crt-locale-l1-1-0.dll
api-ms-win-crt-heap-l1-1-0.dll
KERNEL32.dll

  Summary

1000 .data
1000 .pdata
1000 .rdata
1000 .reloc
   14000 .rsrc
2000 .text

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[issue38533] v3.7.5 py script run ok with python.exe but not pythonw.exe (python silent console not working)

[Jon]

Jon  added the comment:

When I have some time.  Maybe this weekend.  3.7.4 is working ok right now for 
production level.  So I didn't bother with anything else yet.

Might help someone else in the meantime though.  Glad to see that someone is 
taking the complaint seriously :)

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[issue38533] v3.7.5 py script run ok with python.exe but not pythonw.exe (python silent console not working)

[Steve Dower]

Steve Dower  added the comment:

Can you try installing https://aka.ms/vs/16/release/VC_redist.x64.exe and then 
see if it makes a difference?

At least one package in 3.8 still contained a dependency on the C++ runtime, 
which we do not include, and it's possible that 3.7.5 had the same issue. Both 
will be fixed in the next updates, but the workaround is to install the file 
above.

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[issue38533] v3.7.5 py script run ok with python.exe but not pythonw.exe (python silent console not working)

[Jon]

Jon  added the comment:

BTW, I have win10 x64 v 1809 b 17763.720.

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[issue38533] v3.7.5 py script run ok with python.exe but not pythonw.exe (python silent console not working)

[Jon]

Jon  added the comment:

@eryk.  Could I just have separate folder with each python minor version?  I 
would keep it portable and just reference the python/pythonw.exe filepath 
directly for each version when I run.

I could just download the 3.7.5 and drop it anywhere.

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[issue38533] v3.7.5 py script run ok with python.exe but not pythonw.exe (python silent console not working)

[Eryk Sun]

Eryk Sun  added the comment:

> Let me know if you are unable to reproduce it.

x64 pythonw.exe and pyw.exe (3.7.5, 2019-10-14) work for me in Windows 
10.0.18362. I have them installed for all users, respectively in "C:\Program 
Files\Python37" and "C:\Windows". 

Try running `pythonw.exe -m idlelib` and `pythonw.exe -m turtle`. If nothing 
runs, try it with python.exe, just to make sure tcl/tk and IDLE are installed.

> How do I have multiple MINOR versions of python together? 
> e.g. 3.7.3, 3.7.4, 3.7.5?  Can they be placed in separate 
> folders?

The standard distribution supports one major-version installation for the 
system and another per user. You can use the nuget packages to test against 
multiple minor versions.

https://docs.python.org/3/using/windows.html#the-nuget-org-packages

It seems that nuget packages can also be installed via PowerShell 6. However, 
the "Version" parameter of Visual Studio's Install-Package changes to 
"RequiredVersion" in PowerShell 6.

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nosy: +eryksun

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[issue38533] v3.7.5 py script run ok with python.exe but not pythonw.exe (python silent console not working)

[Jon]

Jon  added the comment:

@paul.moore  all scripts failed.  it's like pyw.exe does not run at all (or 
quits shortly after.  i have about 5 proprietary scripts.

going back to 3.7.4 everything works as before.   I do suspect there is 
something wrong with the way that 3.7.5 was compiled for pythonW.exe


 python/pw.exe works fine for both 3.7.4 and 3.7.5 (x86 and x64 versions)
pythonW/pyW.exe works fine for 3.7.4 but not 3.7.5 (x86 and x64 versions)

This is the first time i've ever had this issue.  python 3.6.x.

I originally thought it was a win10 issue because I am setting up a new 
computer and using 3.7.5 for the first time.  (other computer had 3.7.4).

I will ask my programmer to give some sample code.  But really any existing 
script you have should work for testing 3.7.5 pythonw.exe , particularly if it 
requires a couple of non-core modules to run.

Let me know if you are unable to reproduce it.

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[issue38533] v3.7.5 py script run ok with python.exe but not pythonw.exe (python silent console not working)

[Paul Moore]

Paul Moore  added the comment:

Can you give an example of a script that fails? If you try to print (or 
otherwise use the standard IO streams) pythonw will fail, because there are no 
stdio streams for a GUI executable - and the traceback, which goes to stderr by 
default, will be lost.

This is my best guess as to your issue here, but without a reproducible 
example, it's hard to say anything useful.

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[issue38533] v3.7.5 py script run ok with python.exe but not pythonw.exe (python silent console not working)

[Jon]

Change by Jon :


--
title: v3.7.5 py script run ok with python.exe but not pythonw.exe (python 
console not working) -> v3.7.5 py script run ok with python.exe but not 
pythonw.exe (python silent console not working)

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