py2exe and CD-ROM ISO Level 1

Werner Merkl werner_DOT_merkl_ at _fujitsu_DASH_siemens.com
Fri Oct 29 12:47:41 CEST 2004


Thomas Heller wrote:

> Werner Merkl <werner_DOT_merkl_ at _fujitsu_DASH_siemens.com> writes:
> 
> 
>>Hi,
>>
>>I recompiled my application as a console program and got following
>>error message:
>>
>>-----------------------------------------------------------------------
>>Microsoft Windows XP [Version 5.1.2600]
>>(C) Copyright 1985-2001 Microsoft Corp.
>>
>>C:\>e:\AUTORUN.EXE
>>Traceback (most recent call last):
>>   File "D:\PROGS\Python23\lib\site-packages\py2exe\boot_common.py",
>>   line 69, in ?
>>     import linecache
>>zipimport.ZipImportError: can't decompress data; zlib not available
>>Traceback (most recent call last):
>>   File "AutoRun.py", line 54, in ?
>>zipimport.ZipImportError: can't decompress data; zlib not available
>>-----------------------------------------------------------------------
>>
>>so I removed "compressed": 1, from setup.py and it WORKS!!!
> 
> 
> Great!
> 
> 
>>This seems to be a bug in py2exe ????
> 
> 
> The zlib module is the only one that is imported with the standard
> mechanism, since it is imported when a zipfile is added to sys.path.
> So, when it's filename has the wrong case the import will fail, and the
> only solution would be to set PYTHONCASEOK=1 before.  Unfortunately,
> this cannot be done somewhere in your Pythoncode, because it's too late
> then.  So, if you insist on 'compressed': 1 (but why would you?) the
> only solution that I see is to add
>      _putenv("PYTHONCASEOK=1");
> to the source file start.c, somewhere in the init_with_instance
> function, near line 135, and rebuild py2exe.
> 
> Thomas
Thank you very much for you explanation. I think, I will not use
compressed in future (normally there is enough space on a DVD or
even on a CD ;-).


regards
Werner



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