Translate a postsecret's binary

binary_converter.py

# Translate binary into english characters.
# Written to translate a PostSecret on 01-24-2016.
#
# Author: Sam Liu <[email protected]>
#
# 01001001001000000110101101101110011011110111
# 01110010000001001001001001110110110100100000
# 01100001001000000110011101100101011001010110
# 10110010111000100000010010010010011101101101
# 001000000111000001110010011011110111010101100
# 100001000000110111101100110001000000110100101
# 110100001011100010000001000010011101010111010
# 000100000011100110110111101101101011001010111
# 010001101001011011010110010101110011001000000
# 100100100100000011011010110100101110011011100
# 110010000001100010011001010110100101101110011
# 001110010000001100110011100100110100101100101
# 011011100110010001110011001000000111011101101
# 001011101000110100000100000011101000110100001
# 1001010010000001100011011011110110111101101100
# 001000000110101101101001011001000111001100101
# 110


import click

# For now, fix word size.
WORD_SIZE = 8


@click.command()
@click.option('--filename', default='input.txt', help='File containing binary.')
@click.option('--word_size', default=8, help='Word size of the binary')
def translate_binary_file(filename, word_size):

    f = open(filename)

    # Convert input text into one long binary string.
    binary_codes = ""
    for line in f.readlines():
        binary_codes += line.strip()

    # Split string into an array of WORD_SIZE binary bits.
    binary_codes = [binary_codes[i:i + WORD_SIZE]
                    for i in range(0, len(binary_codes), WORD_SIZE)]

    # Print each "word" (character).
    for binary_code in binary_codes:
        print chr(int(binary_code, 2)),

if __name__ == '__main__':
    translate_binary_file()