[gdal-dev] GDAL Python bindings disables setting a non-zero exit code

[Stefano Iacovella]

2012/9/27 Luke Pinner <pinner.luke at gmail.com>

> Thanks Jason, it's definitely GDAL. The order doesn't matter and I've
> checked ERRORLEVEL v. %ERRORLEVEL% (see below).  I don't think it's
> related to the batch file which is just a minimal test script. The
> issue occurs with every Windows python script I've written that
> imports gdal - i.e sys.exit(anything >0) will always set an exit code
> of 0 if gdal is imported.  Running python from the command prompt does
> the same thing.
>
> set pycmd=python -c "from osgeo import gdal;import sys;sys.exit(1)"
> echo %pycmd%
> %pycmd%
> if ERRORLEVEL 1 (
>     echo ERROR LEVEL is 1 or greater
> ) ELSE (
>     echo ERROR LEVEL is incorrect
> )
> echo ERROR LEVEL=%ERRORLEVEL%
>
>
> Interestingly, one of the users of my code who originally reported the
> issue to me found that that ERRORLEVEL is set correctly in Windows XP.
>
Yes Luke I made another check exluding MetaGETA imports, the software using
GDAL python bindings, an it really seems related to GDAl, at least the GDAL
release shipped with MetaGETA.
On my workstation, a Windows XP 32 bit SP3 this is the output:

Microsoft Windows XP [Versione 5.1.2600]
(C) Copyright 1985-2001 Microsoft Corp.

D:\Appl\MetaGETA>python
Python 2.6.4 (r264:75708, Oct 26 2009, 08:23:19) [MSC v.1500 32 bit
(Intel)] on win32
Type "help", "copyright", "credits" or "license" for more information.
>>> import sys
>>> sys.exit(15)

D:\Appl\MetaGETA>echo %ERRORLEVEL%
15

D:\Appl\MetaGETA>python
Python 2.6.4 (r264:75708, Oct 26 2009, 08:23:19) [MSC v.1500 32 bit
(Intel)] on win32
Type "help", "copyright", "credits" or "license" for more information.
>>> import sys
>>> from osgeo import ogr
>>> sys.exit(15)

D:\Appl\MetaGETA>echo %ERRORLEVEL%
15

On a Windows 2008 R2 64 bit it doesn't work

Microsoft Windows [Version 6.1.7601]
Copyright (c) 2009 Microsoft Corporation.  All rights reserved.

E:\Appl\MetaGETA>python
Python 2.6.4 (r264:75708, Oct 26 2009, 08:23:19) [MSC v.1500 32 bit
(Intel)] on win32
Type "help", "copyright", "credits" or "license" for more information.
>>> import sys
>>> sys.exit(15)

E:\Appl\MetaGETA>echo %ERRORLEVEL%
15

E:\Appl\MetaGETA>python
Python 2.6.4 (r264:75708, Oct 26 2009, 08:23:19) [MSC v.1500 32 bit
(Intel)] on win32
Type "help", "copyright", "credits" or "license" for more information.
>>> import sys
>>> from osgeo import ogr
>>> sys.exit(15)

E:\Appl\MetaGETA>echo %ERRORLEVEL%
0



> I'll file a ticket in TRAC.
>
>
---------------------------------------------------
41.95581N 12.52854E


http://www.linkedin.com/in/stefanoiacovella

http://twitter.com/#!/Iacovellas
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.osgeo.org/pipermail/gdal-dev/attachments/20120927/8f14aa95/attachment.html>