[issue35862] Change the environment for a new process

2019-02-02 Thread Tobias Däullary

Tobias Däullary  added the comment:

Alright, thanks for pointing me in the right direction.

I have to conclude that this issue is not present on a current operating 
system, as I now tried to reproduce with Windows 10 (I came across it on an 
ancient Windows XP (sic) system - I can just imagine putenv didn't do its job 
as requested).

I suppose this can be closed then!

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[issue35862] Change the environment for a new process

2019-01-31 Thread Tobias Däullary

Tobias Däullary  added the comment:

Because sometimes when a process is implicitly started by some 3rd party 
library (i.e. COM via pythonwin here) the "old", unchanged environment is 
retained as the process itself doesn't care if os.environ was changed or not, 
the original environment cannot be modified.

This solution would give a lot of flexibility in that regard.

I think pythonwin is actually a special case as the problem here lies somewhere 
in the dispatch(.) call. The process creation should be handled somewhere 
within the COM interface, pywin does nothing there. 

But this solution effectively circumvents that issue.

--
components: +Windows
nosy: +paul.moore, steve.dower, tim.golden, zach.ware

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[issue35862] Change the environment for a new process

2019-01-30 Thread Tobias Däullary

Change by Tobias Däullary :


--
keywords: +patch, patch, patch
pull_requests: +11558, 11559, 11560
stage:  -> patch review

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[issue35862] Change the environment for a new process

2019-01-30 Thread Tobias Däullary

Change by Tobias Däullary :


--
keywords: +patch, patch, patch, patch
pull_requests: +11558, 11559, 11560, 11561
stage:  -> patch review

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[issue35862] Change the environment for a new process

2019-01-30 Thread Tobias Däullary

Change by Tobias Däullary :


--
keywords: +patch, patch
pull_requests: +11558, 11559
stage:  -> patch review

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[issue35862] Change the environment for a new process

2019-01-30 Thread Tobias Däullary

Change by Tobias Däullary :


--
keywords: +patch
pull_requests: +11558
stage:  -> patch review

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[issue35862] Change the environment for a new process

2019-01-30 Thread Tobias Däullary

New submission from Tobias Däullary :

There should be a possibility to change the environment of a process created 
with multiprocessing.

For subprocess this is possible thanks to the "env" attribute.

Elaboration:
While it is trivial to change os.environ manually, in some cases this is not 
possible. 

For instance: creating a COM process on Windows; this process will always 
inherit the environment of the host process.
A workaround is to spawn a python process with a different environment which 
then will provide this to the child COM process.

--
components: Library (Lib)
messages: 334591
nosy: r-or
priority: normal
severity: normal
status: open
title: Change the environment for a new process
type: enhancement
versions: Python 3.8

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