Word-Counter Program using Python

#!/usr/bin/env python3

from collections import Counter
import argparse
import re
from toolz.itertoolz import sliding_window

parser = argparse.ArgumentParser()
parser.add_argument("--numWords", type=int, default=10)
parser.add_argument("--maxTuples", type=int, default=4)
parser.add_argument("--minWordLength", type=int, default=5)
parser.add_argument("file", type=str)
args = parser.parse_args()


def filter_func(tup):
    for word in tup:
        if len(word) < args.minWordLength:
            return False
        elif re.search(
            "http[s]?://(?:[a-zA-Z]|[0-9]|[$-_@.&+]| \
            [!*(),]|(?:%[0-9a-fA-F][0-9a-fA-F]))+",
            word,
        ):
            return False
    return True


def filtered_window(seq, n):
    return filter(filter_func, sliding_window(n, seq))


with open(args.file, "r") as f:
    content = f.read().replace("\n", " ").lower()
    words = re.findall(r"\S+", content)
    for i in range(1, args.maxTuples + 1):
        print("\n=== Sliding Window: {} ===".format(i))
        for tup in Counter(filtered_window(words,
                                           i)).most_common(args.numWords):
            print("    {}: '{}'".format(tup[1], " ".join(tup[0])))