Detect file encoding in python3 with chardet

detect_encode.py

#! /usr/bin/env python
# coding: utf-8

import os
import sys
from chardet.universaldetector import UniversalDetector

def detect_encoding(file_path):
    detector = UniversalDetector()
    detector.reset()
    with open(file_path, mode='rb') as f:
        for b in f:
            detector.feed(b)
            if detector.done: break
    detector.close()
    return detector.result

if __name__ == '__main__':
    if len(sys.argv) < 2:
        print('Usage: detect_encoding path_to_file')
        exit()

    import chardet
    print('chardet version: {0}'.format(chardet.__version__))

    for fpath in sys.argv[1:]:
        encode = detect_encoding(fpath)
        print('{0}* {1}'.format(os.linesep, fpath))
        for k, v in encode.items():
            print('{0}: {1}'.format(k.title(), v))