Just for fun #1 - random string

random_string.py

# -*- coding: utf-8 -*-

import random

class RandomString:

    __ALPHABETIC = 'aAbBcCdDeEfFgGhHiIjJkKlLmMnNoOpPqQrRsStTuUvVwWxXyYzZ'
    __NUMBERS = '0123456789'

    def random_char(self, allow_numbers = True):
        return self.random_string(1, allow_numbers)

    def random_string(self, lenght, allow_numbers = True):
        text = self.__get_text(allow_numbers)
        return ''.join(random.choice(text) for x in range(lenght))

    def __get_text(self, allow_numbers):
        text = self.__ALPHABETIC
        if allow_numbers:
            text = text.join(self.__NUMBERS)

        return text


# demo

rs = RandomString()
print rs.random_char()
print rs.random_char(False)
print rs.random_string(5)
print rs.random_string(5, False)