rmake.py

# -*- coding: utf-8 -*-
"""
    rmake
    ~~~~~
    
    A random string generator, with 62 distinct characters 
    and upto 62^N possible values. If 10^6 values 
    are already generated, there's a 10^6/62^N 
    chance of collision.
    
    :copyright: 2019 Pancubs.org
    :license: MIT
"""

import random
import string

def make(*, N=20):
    """Returns a random string of length N. Possible characters include
    lowercase letters, uppercase letters, and decimal numbers.
    
        myid = rmake.make()
    
    .. versionadded: 0.1
       The first version. Uses random.SystemRandom.
    
    :param N: the size of the random string.
    """
    
    #: The object that defines what possible characters 
    #: are generated.
    _chars = string.ascii_letters + string.digits
    
    return ''.join(random.SystemRandom().choice(_chars) for _ in range(N))