Add support for environment variable key loading#35

.env

@@ -0,0 +1 @@
+KEY=<insert your key here>

main.py

@@ -1,7 +1,9 @@
 from manager import PasswordManager
 import pyperclip
+import os
+from dotenv import load_dotenv
 
-
+load_dotenv('.env')
 
 
 def validate_key_loaded(pm : PasswordManager):
@@ -22,6 +24,7 @@ def main():
     print("""What would you like to do?
           1. Create a new key
           2. Load an existing key
+          21. Load from the enviroment variable
           3. Create a new password file
           4. Load an existing password file
           5. Add a password
@@ -39,6 +42,9 @@ def main():
         elif choice == '2':
             path = input("Enter key file path: ").strip()
             pm.load_key(path)
+        elif choice == '21':
+            key=os.getenv('KEY')
+            pm.load_key_from_env(key)
         elif choice == '3' and validate_key_loaded(pm):
             path = input("Enter password file path: ").strip()
             pm.create_password_file(path, password)

manager.py

@@ -19,6 +19,9 @@ def load_key(self, path):
         with open(path, 'rb') as f:
             self.key = f.read()
         self.keyloaded = True
+    def load_key_from_env(self,key):
+        self.key = key
+        self.keyloaded = True
 
 
     def create_password_file(self, path, initial_values=None):

requirements.txt

@@ -1 +1,2 @@
-pyperclip
+pyperclip
+python-dotenv