Add terminal QR code display for 2FA entries

src/password_manager/manager.py

@@ -979,6 +979,7 @@ class PasswordManager:
                     )
                     print(colored("Add this URI to your authenticator app:", "cyan"))
                     print(colored(uri, "yellow"))
+                    TotpManager.print_qr_code(uri)
                     print(colored(f"Secret: {secret}\n", "cyan"))
                     try:
                         self.sync_vault()
@@ -1016,6 +1017,7 @@ class PasswordManager:
                                 "green",
                             )
                         )
+                        TotpManager.print_qr_code(uri)
                         try:
                             self.sync_vault()
                         except Exception as nostr_error:

src/password_manager/totp.py

@@ -7,6 +7,8 @@ import time
 from urllib.parse import quote
 from urllib.parse import urlparse, parse_qs, unquote
 
+import qrcode
+
 import pyotp
 
 from utils import key_derivation
@@ -81,3 +83,11 @@ class TotpManager:
             remaining -= 1
         sys.stdout.write("\n")
         sys.stdout.flush()
+
+    @staticmethod
+    def print_qr_code(uri: str) -> None:
+        """Display a QR code representing the provided URI in the terminal."""
+        qr = qrcode.QRCode(border=1)
+        qr.add_data(uri)
+        qr.make()
+        qr.print_ascii(invert=True)