base1048576 binary converter

# Scar32
# DEVIXLER

# this is my own take on a base1M converter.
# this format can convert strings of bits starting at
# 0 or 1 and can convert bits at any length even one
# bit or even zero bits!

import math
import bitstring
def bits2character(bits):
    character = 1114111
    for i in range(20):
        character -= int(bits[i])*2**i
    return chr(character)
characters = '01'
def character2bits(character):
    n = 1114111-ord(character)
    out = ''
    for l in range(20):
        char = int(n)%2
        out += characters[char]
        n = (n-char)/2
    return out
def bits2string(bits):
    out = ''
    bits = bits+'1'+'0'*(20-len(bits)%20-1) # my format puts a 1 at the end of the bits followed by zeros
    for p in range(int((len(bits)+1)/20)):
        chunk = ''
        for s in range(20):
            chunk += bits[p*20+s]
        out += bits2character(chunk)
        print(str(p)+"/"+str(int((len(bits)+1)/20)))
    return out
def string2bits(string):
    data = ''
    for i in string:
        data += character2bits(i)
    while data[-1] == '0':
        data = data[:-1]
    data = data[:-1]
    return data
def stringcompactor(string): # puts the characters in a square grid
    out = ''
    cpr = int(math.sqrt(len(string)*2))
    cpc = int(len(string) / cpr)
    for c in range(cpc):
        for r in range(cpr):
            out += string[c*cpr+r]
        out += '\n'
    for i in range(len(string)-cpr*cpc):
        out += string[cpr*cpc+i]
    return out
def read_bits(file_path):
    bits = bitstring.BitArray(filename=file_path)
    return bits.bin
#pyperclip.copy(bits2string(read_bits('/yourfile.zip')))
# demo
print(bits2string(input('bits to string: ')))
print(string2bits(input('string to bits: ')))