passwordgen

import random  # https://docs.python.org/3.6/library/random.html
import sqlite3  # https://docs.python.org/3.6/library/sqlite3.html
import string  # https://docs.python.org/3.6/library/string.html


def get_rand(
	str_list:str , choice:int):
	''' This function chooses a random letter from
	a string and returns it in upper or lower
	case depending upon the choice'''
	pass
	if choice == 0:
		return random.choice(str_list)
	else:
		return random.choice(str_list).upper()


def get_char(rule: int, posi: int):
	''' This function returns a character depending
	on the rule and the position in the list
	The below are the characters considered
	in the password generation process
	letters = 'qwertyuiopasdfghjklzxcvbnm'
	numbers = '1234561789'
	punc = ':,—!-().?"; '''

	letters = 'qwertyuiopasdfghjklzxcvbnm'
	numbers = '1234561789'
	punc =  """ ':,—!-().?";"""

	if rule >=4:
		pass
		temp = punc if posi <=4 else numbers+letters+punc
		return get_rand(temp,random.randrange(0,2))
	elif rule >=3:
		pass
		temp = letters.upper() if posi <=3 else numbers+letters
		return get_rand(temp,random.randrange(0,2))
	elif rule >=2:
		pass
		temp = numbers if posi <=2 else numbers+letters
		return get_rand(temp,0)
	else:
		pass
		return get_rand(letters,0)


def generate_password(length: int, complexity: int) -> str:
    """Generate a random password with given length and complexity

    Complexity levels:
		Complexity == 1: return a password with only lowercase chars
		Complexity ==  2: Previous level plus at least 1 digit
		Complexity ==  3: Previous levels plus at least 1 uppercase char
		Complexity ==  4: Previous levels plus at least 1 punctuation char

    :param length: number of characters
    :param complexity: complexity level
    :returns: generated password
    """
    pass
    pwd_list = []
    """ check if length is greater than complexity if not
        return the password with the minimum required comlexity
        length
    """
    if length < complexity:
		length = complexity
    """ generate the password"""
    temp_rule = 1
    for i in range(0,length):
		temp_val = temp_rule if temp_rule <= complexity else random.randrange(1,complexity+1)
		pwd_list.append(get_char(temp_val,i))
		temp_rule = temp_rule +1
    random.shuffle(pwd_list)
    return "".join(pwd_list)


print(generate_password(10,4))