#!/usr/bin/env pypy3

# pylint: disable=superfluous-parens
# superfluous-parens: Parentheses are good for clarity and portability

# Note that this code is almost 4x faster on pypy 2.2 than cpython 3.3.

"""Compute anagrams for an input sentence."""

import sys

import anagrams_mod


def main():
    """Find anagrams of an input sentence in sys.argv[1]."""
    original_sentence = " ".join(word.strip() for word in sys.argv[1:]).lower()
    original_sentence_sans_blanks = "".join(
        word.strip() for word in sys.argv[1:]
    ).lower()

    if not original_sentence_sans_blanks.isalpha():
        sys.stderr.write(
            "{}: Sorry, only alphabetic sentences are allowed:\n".format(sys.argv[0])
        )
        sys.stderr.write("no punctuation, no digits, no special characters\n")
        sys.exit(1)

    with open("/usr/share/dict/words", "r", encoding="utf-8") as dictionary_file:
        anagrams_mod.find_anagrams(
            to_stdout=True,
            dictionary_file=dictionary_file,
            original_sentence_string=original_sentence,
        )


main()