Convert Characters from UTF-8 to Binary, Hexadecimal, Octal, Base64

convert_chars_from_utf8.py

#! /bin/python3
'''Given string, convert characters to hexadecimal, binary, hexadecimal and \
base64 values. Script available under MIT license: opensource.org/licenses/MIT'''
from base64 import b64encode as b64


def convert_chars():
    '''Convert characters to hexadecimal, binary, hexadecimal and base64 \
values.'''
    chr_keys = {
        ' ': '32', '!': '33', '"': '34',
        '#': '35', '$': '36', '%': '37', '&': '38', "'": '39',
        '(': '40', ')': '41', '*': '42', '+': '43', ',': '44',
        '-': '45', '.': '46', '/': '47', '0': '48', '1': '49',
        '2': '50', '3': '51', '4': '52', '5': '53', '6': '54',
        '7': '55', '8': '56', '9': '57', ':': '58', ';': '59',
        '<': '60', '=': '61', '>': '62', '?': '63', '@': '64',
        'A': '65', 'B': '66', 'C': '67', 'D': '68', 'E': '69',
        'F': '70', 'G': '71', 'H': '72', 'I': '73', 'J': '74',
        'K': '75', 'L': '76', 'M': '77', 'N': '78', 'O': '79',
        'P': '80', 'Q': '81', 'R': '82', 'S': '83', 'T': '84',
        'U': '85', 'V': '86', 'W': '87', 'X': '88', 'Y': '89',
        'Z': '90', '[': '91', '\\':'92', ']': '93', '^': '94',
        '_': '95', '`': '96', 'a': '97', 'b': '98', 'c': '99',
        'd':'100', 'e':'101', 'f':'102', 'g':'103', 'h':'104',
        'i':'105', 'j':'106', 'k':'107', 'l':'108', 'm':'109',
        'n':'110', 'o':'111', 'p':'112', 'q':'113', 'r':'114',
        's':'115', 't':'116', 'u':'117', 'v':'118', 'w':'119',
        'x':'120', 'y':'121', 'z':'122', '{':'123', '|':'124',
        '}':'125', '~':'126'
    }
    string = input('Enter string: ')  # string input
    dec_nums = []  # decimal numbers
    bin_nums = []  # binary numbers
    hex_bytes = []  # hexadecimal bytes
    oct_nums = []  # octal numbers
    html_syms = []  # HTML symbol entities
    base64_bytes = b64(string.encode('ascii')).decode('ascii')

    for char in string:
        dec_nums.append(chr_keys[char])  # append to dec_nums list
        bin_nums.append(bin(int(chr_keys[char]))[2:].rjust(8, '0'))  # append to bin_nums list
        hex_bytes.append(hex(int(chr_keys[char]))[2:])  # append to hex_bytes list
        oct_nums.append(oct(int(chr_keys[char]))[2:])  # append to oct_nums
        html_syms.append(f'&#{chr_keys[char]};')  # append to dec_nums list

    print(f"\x1b[1;34mdecimal     :\x1b[0m {' '.join(dec_nums)}")
    print(f"\x1b[1;34mbinary      :\x1b[0m {' '.join(bin_nums)}")
    print(f"\x1b[1;34mhexadecimal :\x1b[0m {' '.join(hex_bytes)}")
    print(f"\x1b[1;34moctal       :\x1b[0m {' '.join(oct_nums)}")
    print(f"\x1b[1;34mHTML symbols:\x1b[0m {' '.join(html_syms)}")
    print(f"\x1b[1;34mbase64      :\x1b[0m {base64_bytes}")


if __name__ == '__main__':
    convert_chars()  # if stand-alone