Untitled-2.py

# -*- coding: utf-8 -*-
import os
import sys
import collections
import string

def analyze_text(data):
    res = {}

    res["total_lines"] = data.count(os.linesep)
    res["total_characters"] = len(data.replace(" ", "")) - res["total_lines"]

    counter = collections.Counter(data.split())
    d = counter.most_common()

    res["total_words"] = sum(i[1] for i in d)
    res["unique_words"] = len(i[0] for i in d)

    special_chars = string.punctuation
    res["special_characters"] = sum(
        v for k, v in collections.Counter(data).items() if k in special_chars
    )

    return res

def main():
    script_name = sys.argv[0]

    try:
        textfile = sys.argv[1]
        with open(textfile, "r", encoding="utf_8") as f:
            data = f.read()

        res = analyze_text(data)
        print(res)

    except IndexError:
        print('Usage: %s TEXTFILE' % script_name)

    except IOError:
        print('"%s" cannot be opened.' % textfile)

if __name__ == "__main__":
    main()