Binary Permutation Generator

binary_perms.py

def gen_bins(bit_count):
    bins = []
    indx = 0
    bin = [0] * bit_count
    while bin != [1] * bit_count:
        while bin[indx]:
            indx += 1
        del bin[indx]
        bin.insert(indx, 1)
        if indx > 0:
            bin = ([0] * indx) + bin[indx:]
        indx = 0
        bins.append(bin.copy())
    return bins