zipfile 2GB problems?

[Steve Holden]

xamdam wrote:
> On Jul 15, 5:39 pm, Steve Holden <st... at holdenweb.com> wrote:
>> xamdam wrote:
>>>>> Additional info: my file is from a data provider, do not know what
>>>>> they used to compress it. Previous files worked ok, this one is the
>>>>> 1st over 2GB. Winzip has no problem with it.
>>>> It could be you are using a Python with an in-built limit of 2GB on file
>>>> size. What happens if you open the file, seek past the 2GB point and
>>>> then try and read data?
>>> Steve,
>>> I used is_zipfile function, which from does exactly that from a quick
>>> read - goes to the end, reads expected string. It worked fine. Tried
>>> regular Windows 2.4.4 and 2.5.1, same result.
>> Fine, if it isn't file size limitations I suspect you need to post some
>> code and a traceback so we can get better insight into exactly what the
>> problem is.
>>
> 
> It's failing in the ZipFile constructor, which ends up throwing
> 
> zipfile(2.4.3).py:291> raise BadZipfile, "Bad magic number for file
> header"
> 
> 
> 
Well, that one bald line by itself certainly doesn't give *me* any 
traction an what the problem might be. Getting information about this 
problem is like (i.e. as difficult as) pulling teeth!

regards
  Steve
-- 
Steve Holden        +1 571 484 6266   +1 800 494 3119
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