Merge pull request geekcomputers#833 from DiogoCastroAlmeida/master

Added features to the password generator

Author: geekcomputers

Password Generator/pass_gen.py

@@ -1,13 +1,84 @@
-'''
-The secrets module is used for generating cryptographically strong random numbers suitable for managing data such as passwords,
-account authentication, security tokens, and related secrets.
-'''
-import string
+import string as str
 import secrets
 
-def secure_password_gen(passlength):
-    password = ''.join((secrets.choice(string.ascii_letters) for i in range(passlength)))
-    return password
+class PasswordGenerator():
 
-n = int(input('Enter length of password : '))
-print('Password generated is :', secure_password_gen(n))
+    @staticmethod
+    def gen_sequence(conditions): #must have  conditions (in a list format), for each member of the list possible_characters
+        possible_characters=[str.ascii_lowercase, str.ascii_uppercase, str.digits, str.punctuation]
+        sequence=""
+        for x in range(len(conditions)):
+            if conditions[x]:
+                sequence+=possible_characters[x]
+            else:
+                pass
+        return sequence
+
+
+    @staticmethod
+    def gen_password(sequence, passlength=8):
+        password = ''.join((secrets.choice(sequence) for i in range(passlength)))
+        return password
+
+
+class Interface():
+    has_characters={
+    "lowercase":True,
+    "uppercase":True,
+    "digits":True,
+    "punctuation":True
+    }
+    @classmethod
+    def change_has_characters(cls, change):
+        try:
+            cls.has_characters[change] #to check if the specified key exists in the dicitonary
+        except:
+            print("Invalid")
+        else:
+            cls.has_characters[change]= not cls.has_characters[change] #automaticly changres to the oppesite value already there
+            print(f"{change} is now set to {cls.has_characters[change]}")
+    @classmethod
+    def show_has_characters(cls):
+        print(cls.has_characters)
+
+
+    def generate_password(self, lenght):
+        sequence = PasswordGenerator.gen_sequence(list(self.has_characters.values()))
+        print(PasswordGenerator.gen_password(sequence, lenght))
+
+def list_to_vertical_string(list):
+    to_return =""
+    for member in list:
+        to_return += f"{member}\n"
+    return to_return
+
+class Run():
+    def decide_operation(self):
+        user_input = input(": ")
+        try:
+            int(user_input)
+        except:
+            Interface.change_has_characters(user_input)
+        else:
+            Interface().generate_password(int(user_input))
+        finally:
+            print("\n\n")
+
+
+
+    def run(self):
+        menu = \
+f"""Welcome to the PassGen App!
+Commands:
+    generate password ->
+    <lenght of the password>
+
+commands to change the characters to be used to generate passwords:
+{list_to_vertical_string(Interface.has_characters.keys())}
+            """
+        print(menu)
+        while True:
+            self.decide_operation()
+
+
+Run().run()