Python Generating Passwords

generate_password.py

from string import punctuation, ascii_letters, digits
import random

def generate_password(pass_length):
    symbols = ascii_letters + digits + punctuation
    secure_random = random.SystemRandom()
    password = "".join(secure_random.choice(symbols) for i in range(pass_length))
    return password

generate_password(15)

generate_specific_password.py

from string import ascii_letters, digits
import random

def generate_specific_password(pass_length):
    """
    Generates an alphanumeric password with at least one lowercase character, 
    at least one uppercase character and at least three digits 
    """
    alphabet = ascii_letters + digits
    secure_random = random.SystemRandom()
    while True:
        password = ''.join(secure_random.choice(alphabet) for i in range(pass_length))
        if (any(c.islower() for c in password)
           and any(c.isupper() for c in password)
           and sum(c.isdigit() for c in password) >= 3):
            break
    return password

generate_specific_password(5)