Anagram scanner

anagrammer.py

# -*- coding: utf-8 -*-
""" anagrammer - leveraging collections.Counter and pythons base classes

Author:  Paul Reiber reiber@gmail.com
License: CC BY-SA 4.0

input is a dictionary - a list of words with each word listed on exactly once.

output is any anagrams collected which are as big or bigger than their words are long.
output limited to anagrams larger than 4

if you want to scan a text file with duplicates check out groupwords.py as a better example.
"""

import sys
import re
from collections import Counter

class Collector: # pylint: disable=too-few-public-methods

    """ builds a dictionary that groups anagrams """

    data = {}

    def __init__(self, term):
        key = frozenset(Counter(term).items())
        if key not in Collector.data:
            Collector.data[key] = []
        Collector.data[key].append(term)

if __name__ == '__main__':

    WORDS = re.compile(r'(\S+)')

    for line in sys.stdin:
        for word in WORDS.findall(line):
            Collector(word)

    for anagram in Collector.data.values():
        if len(anagram) >= 4:
            if len(anagram) >= len(anagram[0]):
                print(', '.join(anagram))