On Jul 16, 3:39 pm, Steve Holden <[EMAIL PROTECTED]> wrote: > xamdam wrote: > > On Jul 15, 5:39 pm, Steve Holden <[EMAIL PROTECTED]> 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
Well, Steve, I don't know what else to tell you - I certainly do not want to cause you tooth ache! I was sort of hoping for some ZIP expert to go, 'oh, yeah'... -- http://mail.python.org/mailman/listinfo/python-list