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" -- http://mail.python.org/mailman/listinfo/python-list