code: def login(self, host_spec="", username="", password=""):
          
  
          warnings.warn(
              "shouldn't use this function anymore ! use connect which handles"
              "handles authentication directly.",
              DeprecationWarning
          )
  
          scheme = "http"
          if not host_spec:
              u = urlparse(self.endpoint)
              host_spec = u.netloc
              if u.scheme == "wss":
                  scheme = "https"
              if self.username:
                  username = self.username
              if self.password:
                  password = self.password
  
          auth = Authenticate(host_spec, scheme=scheme,
                              username=username, password=password)
          try:
              auth.login()
              cookie = 'authtok={}'.format(auth.authtok)
              if self.cookies:
                  self.cookies.append(cookie)
              else:
                  self.cookies = [cookie, ]
              return True
          except Exception:
              return False
docs: Authenticate with infrastructure via the Skydive analyzer
  
          This method will also set the authentication cookie to be used in
          the future requests
          :param host_spec: Host IP and port (e.g. 192.168.10.1:8082)
          :type host_spec: string
          :param username: Username to use for login
          :type username: string
          :param password: Password to use for login
          :type password: string
          :return: True on successful authentication, False otherwise