python get major version between files

major_version.py

import os, glob
from distutils.version import StrictVersion

def get_version(filename):
    return os.path.splitext(filename)[0].split('-')[-1]


def _get_major_version(get_version_func):
    def major_version(file_names=[]):
        major_version_file = file_names[0]
        for file in file_names:
            if StrictVersion(get_version_func(file)) > StrictVersion(get_version_func(major_version_file)):
                major_version_file = file
        return major_version_file

    return major_version

# example:
# lists all pdfbox jars in current folder
pdfbox_apps = [os.path.basename(f) for f in glob.glob(os.path.join(os.getcwd(), 'pdfbox*.jar'))]

print(pdfbox_apps)
# ['pdfbox-app-2.0.6.jar', 'pdfbox-app-2.0.8.jar']

# create function that uses the get_version func as parser
get_major_version = _get_major_version(get_version)

# get the major version
major_pdfbox_app = get_major_version(pdfbox_apps)

print(major_pdfbox_app)
# pdfbox-app-2.0.8.jar