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Random password generator - Project Davinci

The password generator project, Code Davinci is a random generator base in built-in library secrets.

The idea is to generate random password following the good practice: * Lower and Upper case Characters. * Digits. * Punctuation marks.

by default it will generate a 8 character password but in the future version it will allow generate longer passwords.

The frist version will ask for the length of the password by terminal/console and give back the random generated password, future version will have a GUI. 

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import string
import secrets

def pass_generator(size: int) -> str:
    alphabet = string.ascii_letters + string.digits + string.punctuation
    while True:
        password = ''.join(secrets.choice(alphabet) for i in range(size))
        if (any(c.islower() for c in password) and
            any(c.isupper() for c in password) and
            sum(c.isdigit() for c in password) )>= size//2:
            break
    return password

if __name__ == "__main__":
    while True:
        try:
            size = int(input("input password size: ")) or 8
            print(f'\n* Password:\n{pass_generator(size)}')
            break
        except ValueError:
            print("wrong value, please input a numeric value")

Project git: https://github.com/CubeVic/Project_Davinci