pyftype

❯ pip install pyftype

❯ pyftype -h
usage: pyftype [-h] [-V] p

positional arguments:
  p              path

options:
  -h, --help     show this help message and exit
  -V, --version  show program's version number and exit
                                                                                                                                                                                                                                  
❯ pyftype Makefile
File extension: txt
File MIME type: application/txt

import pyftype

# file
f = open(path, "rb")
data = f.read()
kind = pyftype.guess(data)

# path
kind = pyftype.guess(path)

# bytes
buf = bytearray([0xFF, 0xD8, 0xFF, 0x00, 0x08])
kind = pyftype.guess(buf)