Re: cygmagic-1.dll - access violation by accessing the lib via python

[Corinna Vinschen <corinna-cygwin@cygwin.com>]

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Hi Holger,

On Jan 11 22:31, Holger Bast wrote:
> Hi there,
> I'm using a python wrapper (python-magic,
> https://github.com/ahupp/python-magic) checking some filetypes in a
> small script. The wrapper works fine under Unix-like system, but I got
> an access violation error under cygwin. I already tried an older
> version of file including libmagic from the gnuwin32-project and this
> one works fine - aside it's completely outdated ;)
> This issue was already identified on the issue tracker of the
> python-wrapper but I don't think that this error is a problem of the
> wrapper  (see https://github.com/ahupp/python-magic/issues/76). I
> found some python wrappers on the cygwin mirrors
> (python-magic-5.24-1.tar.xz) but these also produce the same error.

This sounds weird.  Are you using Cygwin's python or some native Windows
python?  In the latter case, you can't use Cygwin DLLs from your
non-Cygwin python.  It won't work as desired and it's not supported.

As for your Cygwin installation, we need the output of `cygcheck -svr'
per http://cygwin.com/problems.html

> Ok, here the script I used:
> 
> requirements: python 2.7 and python-magic
> 
> import magic
> 
> mage = magic.Magic(mime=True)
> filetype = mage.from_file("testfile.odt")
> print filetype

I'm python illiterate but as Cygwin file maintainer I tried this myself.
The packages file-5.24-1, file-devel-5.24-1, python-magic-5.24-1, and
python-2.7.10-1 are installed.

> Output:

In my case:

  $ python2.7 magic.py
  Traceback (most recent call last):
    File "magic.py", line 1, in <module>
      import magic
    File "/home/corinna/magic.py", line 3, in <module>
      mage = magic.Magic(mime=True)
  AttributeError: 'module' object has no attribute 'Magic'

What am I doing wrong?

Anyway, I uploaded the latest file 5.25 a few minutes ago.


Corinna

-- 
Corinna Vinschen                  Please, send mails regarding Cygwin to
Cygwin Maintainer                 cygwin AT cygwin DOT com
Red Hat

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