Programacao2

from sys import exit
import re
import os.path
import zlib

#Pelo menos 2 minusculas
def check_lower(input):
    lowers = 0
    lower_list = "a b c d e f g h i j k l m n o p q r s t u v w x y z".split()
    for char in input:
        if char in lower_list:
            lowers += 1
    if lowers > 1:
        return True
    else:
        return False

def check_special(input):
    specials = 0
    special_list = "a b c d e f g h i j k l m n o p q r s t u v w x y z A B C D E F G H I J K L M N O P Q R S T U V W X Y Z 1 2 3 4 5 6 7 8 9 0 ' ' ! # - * + & % @ _".split() #NAO PODE VER EM CASA
    for char in input:
        if char in special_list:
            specials += 1
    if specials > 0:
        return True
    else:
        return False

def check_len(input):
    if len(input) >= 8:
        return True
    else:
        return False

def comecar_letra(input):
    lista_char = "a b c d e f g h i j k l m n o p q r s t u v w x y z A B C D E F G H I J K L M N O P Q R S T U V W X Y Z".split()
    for char in input:
        if char[0] in lista_char:
            return True
        else:
            return False

def duasminusculasseguidas(input):
    checker = re.compile(r'([a-z][a-z])')
    if re.search(checker, input):
        return True
    else:
        return False

def registo():
    file = open("Contas.txt","a")
    file.write(numeroaluno)
    file.write(" ")
    file.write(password)
    file.write("\n")
    file.close()

def verificar():
    try:
        for line in open("Contas.txt","r").readlines(): # Read the lines
            login_info = line.split()
            if numeroaluno == login_info[0]:
                print("Ja existe esse numero de aluno")
            else:
                registo()
    except:
        file = open("Contas.txt","a")
        file.close()
        registo()

def validate_password(input):
    check_dict = {
        'lower': check_lower(input),
        'minus': duasminusculasseguidas(input),
        'special': check_special(input),
        'len' : check_len(input),
        'let' : comecar_letra(input)
    }
    if check_lower(input) & check_special(input) & check_len(input) & comecar_letra(input) & duasminusculasseguidas(input):
        return True
    else:
        print ("Password Invalida! Verifica os problemas seguintes !")
        print
        if check_dict['lower'] == False:
            print ("Password tem de ter pelo menos 2 caracteres minusculos.")
        if check_dict['special'] == False:
            print ("Password needs at least one special character.")
        if check_dict['len'] == False:
            print ("Password tem de ter pelo menos 8 caracteres.")
        if check_dict['let'] == False:
            print ("Password tem de comecar por 1 letra.")
        if check_dict['minus'] == False:
            print ("Password precisa de ter 2 letras minusculas consecutivas")
        print

numeroaluno = input("Introduza o numero do aluno: ")
while True:
    password = input("Introduza uma password: ")
    print
    if validate_password(password):
        print ("Requerimentos da password foram compridos.")
        print
        # print (hex(zlib.crc32(b'pedro') & 0xffffffff))
        verificar()
        print
        exit(0)