generator-code.py

import random
import string
def generator(length,al_len,num_ch,spec_ch):
    if (num_ch==False and spec_ch==False):
        str_l=string.ascii_letters
    else:
        str_l=[string.ascii_letters]
        if num_ch==True:
            str_l+=[string.digits]
        if spec_ch==True:
            str_l+=['!@#$%^&*{()[]}~?/|><:;_-+=']
    password=random.choice(str_l[0])
    if (num_ch==False and spec_ch==False):
        for i in range(length-1):
            password+=random.choice(str_l)
    else:
        acount,ncount,scount=0,0,0
        for i in range(length-1):
            s=random.choice(str_l)
            password+=random.choice(s)
            if s.isalpha():
                acount+=1
            elif s.isdigit():
                ncount+=1
            else:
                scount+=1
        while True:
            if acount<al_len:
                n=al_len-acount
                c=0
                password=list(password)
                while n!=c:
                    x=random.choice(password)
                    if x.isalpha():
                        None
                    else:
                        if x.isdigit():
                            ncount-=1
                        else:
                            scount-=1
                        for i in range(len(password)):
                            if password[i]==x:
                                password[i]=random.choice(string.ascii_letters)
                                acount+=1
                                c+=1
                                break
                password=''.join(password)
            elif (num_ch==True and ncount==0):
                y=random.choice(password)
                if y.isalpha():
                    acount-=1
                else:
                    scount-=1
                password=list(password)
                for i in range(len(password)):
                    if y==password[i]:
                        password[i]=random.choice(string.digits)
                        ncount+=1
                        break
                password=''.join(password)
            elif (spec_ch==True and scount==0):
                z=random.choice(password)
                if z.isalpha():
                    acount-=1
                else:
                    ncount-=1
                password=list(password)
                for i in range(len(password)):
                    if z==password[i]:
                        password[i]=random.choice('!@#$%^&*{()[]}~?/|><:;_-+=')
                        scount+=1
                        break
                password=''.join(password)
            else:
                break
    return password


#main program
print("------------------------------------------------------------")
print()
print("                    PASSWORD GENERATOR")
print()
print("------------------------------------------------------------")
while True:
    try:
        l=int(input("Enter the length of the password: "))
    except ValueError:
        print("Invalid Input")
        print("-----------------------------------")
    else:
        break
while True:
    ch1=input("Include numbers?(yes/no) ").lower()
    if ch1=='yes':
        ch1=True
        break
    elif ch1=='no':
        ch1=False
        break
    else:
        print("Invalid Input")
        print("-----------------------------------")
while True:
    ch2=input("Include special characters?(yes/no) ").lower()
    if ch2=='yes':
        ch2=True
        break
    elif ch2=='no':
        ch2=False
        break
    else:
        print("Invalid Input")
        print("-----------------------------------")
while True:
    while True:
        try:
            min_al=int(input("Enter the minimum number of alpabets required in the password: "))
        except ValueError:
            print("Invalid Input")
            print("-----------------------------------")
        else:
            break
    flag=0
    if (min_al>l-2 and ch1==ch2==True):
        print(f"The minimum number of alphabets can't be {min_al} because there needs to atleast one special character and one number.")
        print("-----------------------------------")
        flag=1
    elif min_al>l-1:
        if flag!=1:
            if ch1==True:
                print(f"The minimum number of alphabets can't be {min_al} because there needs to atleast one number.")
                print("-----------------------------------")
                flag=1
            elif ch2==True:
                print(f"The minimum number of alphabets can't be {min_al} because there needs to atleast one special character.")
                print("-----------------------------------")
                flag=1
    if flag==1:
        print("Please change either...")
        print("1. The length of the password\n2. The minimum number of alphabets")
        while True:
            try:
                ch=int(input("Enter 1/2: "))
                print("-----------------------------------")
            except ValueError:
                print("Invalid Input")
            else:
                if ch==1:
                    print("Enter the new length...")
                    while True:
                        try:
                            l2=int(input())
                        except ValueError:
                            print("Invalid Input")
                            print("-----------------------------------")
                        else:
                            if l2<=l:
                                print(f"Please enter a length greater than the previous one({l})")
                            else:
                                l=l2
                                break
                elif ch==2:
                    break
                else:
                    print("Invalid Input")
                    print("-----------------------------------")
    else:
        print("-----------------------------------")
        break
print("All inputs valid!")
print("-----------------------------------")
while True:
    print("Generated Password: ",generator(l,min_al,ch1,ch2))
    print("-----------------------------------")
    while True:
        regen=input("Regenerate?(yes/no) ").lower()
        if (regen=='yes' or regen=='no'):
            break
        else:
            print("Invalid Input")
            print("-----------------------------------")
    if regen=='yes':
        print("-----------------------------------")
        continue
    else:
        print("-----------------------------------")
        break