adamb70

def col(letters):
    """ Convert column letters into zero-indexed number """
    letters = letters.lower()
    num = 0
    for l in letters[:-1]:
        num += (ord(l) - 96) * 26
    num += (ord(letters[-1]) - 96)
    return num - 1

adamb70

def haversine(lat1, lon1, lat2, lon2, miles=False):
    phi1, phi2, dlat, dlon = map(radians, [lat1, lat2, lat2-lat1, lon2-lon1])

    radius = 6371
    if miles:
        radius = 3956

    a = sin(dlat/2)**2 + cos(phi1) * cos(phi2) * sin(dlon/2)**2
    c = 2 * asin(sqrt(a))
    return radius * c

adamb70

from itertools import combinations


class Generator(object):
    def __init__(self, element):
        self.elem = element

    def __repr__(self):
        return str(self.elem) + ' Generator'

adamb70

import os
from Crypto.Cipher import _Blowfish
from struct import pack


def encrypt(infilepath, outfilepath, key):
    """ Encrypt the specified file with the specified
       key and output to the chosen output file."""

    size = os.path.getsize(infilepath)