Generate large file of log lines

gistfile1.txt

import string
import random
import os


class HashGenerator:

    def __init__(self, length):
        print(dir(string))
        self.characters = string.ascii_letters + string.digits
        self.length = length

    def nextKey(self, l, k=''):
        if len(k) == l:
            yield k
        elif len(k) < l:
            for char in self.characters:
                for key in self.nextKey(l, k + char):
                    yield key

    def gen(self, filename):
        with open(filename, 'a+')\
                as hash_file:
            keys = 0
            for key in self.nextKey(self.length):
                for _ in range(random.randint(1, 6)):
                    keys += 1
                    hash_file.write(key + '\n')
            print('keys generated', keys)


generator = HashGenerator(3)
while os.stat('/Users/drichards/grabbag/test_mocking.py/hash_keys.txt').st_size < 8189988000:
    print('current size', os.stat(
        '/Users/drichards/grabbag/test_mocking.py/hash_keys.txt').st_size)
    generator.gen('/Users/drichards/grabbag/test_mocking.py/hash_keys.txt')

while os.stat('/Users/drichards/grabbag/test_mocking.py/hash_keys_small.txt').st_size < 89988000:
    print('current size', os.stat(
        '/Users/drichards/grabbag/test_mocking.py/hash_keys_small.txt').st_size)
    generator.gen('/Users/drichards/grabbag/test_mocking.py/hash_keys_small.txt')