code: def get_password(self, service, username):
          
          assoc = self._generate_assoc(service, username)
          service = escape_for_ini(service)
          username = escape_for_ini(username)
  
          # load the passwords from the file
          config = configparser.RawConfigParser()
          if os.path.exists(self.file_path):
              config.read(self.file_path)
  
          # fetch the password
          try:
              password_base64 = config.get(service, username).encode()
              # decode with base64
              password_encrypted = decodebytes(password_base64)
              # decrypt the password with associated data
              try:
                  password = self.decrypt(password_encrypted, assoc).decode(
                      'utf-8')
              except ValueError:
                  # decrypt the password without associated data
                  password = self.decrypt(password_encrypted).decode('utf-8')
          except (configparser.NoOptionError, configparser.NoSectionError):
              password = None
          return password
docs: Read the password from the file.