[File] Python file misdetection

[Christos Zoulas]

Can you please try 5.43 or HEAD?

christos

> On Nov 30, 2022, at 4:40 PM, Steve Grubb <sgrubb at redhat.com> wrote:
> 
> Hello,
> 
> On Wednesday, November 30, 2022 3:30:38 PM EST Christos Zoulas wrote:
>>> On Nov 29, 2022, at 5:37 PM, Steve Grubb <sgrubb at redhat.com> wrote:
>>> I run across a case where python files get misdetected when an import
>>> statement is commented out. For example:
>>> 
>>> #!/bin/sh
>>> echo DEFANGED.1
>>> exit
>>> #!/usr/bin/python3
>>> import os
>>> os.system("ls")
>>> 
>>> file --mime-type example.py
>>> example.py: text/x-script.python
>>> 
>>> #!/usr/bin/python3
>>> #import os
>>> os.system("ls")
>>> 
>>> file --mime-type example.py
>>> example.py: text/x-objective-c
>>> 
>>> It matches Objective-C with a strength of 25, where #!\040/usr/bin/python
>>> has a strength of 15. It would seem very plausible for someone to
>>> occassionally comment out an import statement. I'm wondering why an
>>> Objective-C construct would be stronger than a python shebang (which
>>> should be conclusive)? Not sure which of the two to adjust.
>> 
>> What version of file is that? I can't reproduce it.
> 
> I can reproduce this with 5.39, 5.41, and 5.42. All of them on Fedora 36 or
> rawhide. It appears to be finding the #import statement and matching that with
> more weight than the shebang.
> 
> -Steve
> 

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