PYTHONPATH not working as intended on OS4

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rjd324

Posted on: 2022/10/23 13:48 #1

Quite a regular

RAM:test.py:


import runpy



if __name__ == "__main__":

    print "Hello"

Ensure there is no value set for PYTHONPATH at the moment:


getenv PYTHONPATH

# should result in nothing

Execute the script:


python test.py

# "Hello"

Set PYTHONPATH:


setenv PYTHONPATH workbench:

# or any location

Ensure that it has been set:


getenv PYTHONPATH

# workbench:

Execute the script:


python test.py

'import site' failed; use -v for traceback

Traceback (most recent call last):

  File "test.py", line 1, in <module>

    import runpy

ImportError: No module named runpy

Try also in "sh" - the same issue.

I report this because on OS4Depot it is version 2.4.1, but somehow I have 2.5.6 and I cannot remember where I got that from. I am not sure if 2.5.6 was meant to be more mature than 2.4.1 or whether this is a known issue.

PYTHONPATH is meant to extend - not replace - the searchables.

If liberty means anything at all, it means the right to tell people what they do not want to hear.
George Orwell.

Raziel

Re: PYTHONPATH not working as intended on OS4

Posted on: 2022/10/23 13:50 #2

Home away from home

@rjd324

That might be the problem i'm getting with most (if not all) of python scripts...

How did you work around it?
Remove PYTHONPATH completely?

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rjd324

Re: PYTHONPATH not working as intended on OS4

Posted on: 2022/10/23 13:56 #3

Quite a regular

I noticed it when invoking a "configure". In the configure it runs a python script and sets PYTHONPATH - now, the native modules installed in Workbench are not visable.

I am working on the configure script now, but I would guess it is going to have to be a hack to also add the native OS4 modules path - as well as - the additional path wanted by the configure script.

If liberty means anything at all, it means the right to tell people what they do not want to hear.
George Orwell.

rjd324

Re: PYTHONPATH not working as intended on OS4

Posted on: 2022/10/23 13:57 #4

Quite a regular

Since there is no github location, I cannot report an official bug.

If liberty means anything at all, it means the right to tell people what they do not want to hear.
George Orwell.

Raziel

Re: PYTHONPATH not working as intended on OS4

Posted on: 2022/10/23 14:02 #5

Home away from home

@rjd324

I have this
Quote:

SYS:System/Python/Lib

in my PYTHONPATH ENVvar.

Trying to get rid of it and see if the python scripts behave again

--

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scummvm infrequent builds

Raziel

Re: PYTHONPATH not working as intended on OS4

Posted on: 2022/10/23 14:10 #6

Home away from home

@rjd324

...and yes it does

flawfinder running fine now

Thanks a lot for the hint...

...and now that you mention it, i had a similar problem with PKG_PATH (or something like that), it refused to find perfectly available .pc files while configuring...after the updated SDK was installed, i removed everything SDK related from ENVARC first and the PKG_PATH var wasn't created and i haven't had a hit since...

Seems there is something wrong with adding pathes from envvars?

--

game box/art scans
scummvm infrequent builds

rjd324

Re: PYTHONPATH not working as intended on OS4

Posted on: 2022/10/23 14:43 #7

Quite a regular

Great news.

At least we know of that bug. Manipulation of PYTHONPATH (and friends) is quite common for PY stuff; even I know that I am by far an expert in PY.

If we had access to the source code for PY2.5.6 we could perhaps have a look and fix it - versus: porting PY from scratch when someone has clearly already done most of the hard work.

If liberty means anything at all, it means the right to tell people what they do not want to hear.
George Orwell.

rjd324

Re: PYTHONPATH not working as intended on OS4

Posted on: 2022/10/23 14:59 #8

Quite a regular

For the sake of completeness and history:

See also: https://www.amigans.net/modules/newbb/viewtopic.php?topic_id=4187

If liberty means anything at all, it means the right to tell people what they do not want to hear.
George Orwell.

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