Convenience method for authenticating using ProgrammaticLogin. 

Sets values for email, password, and other optional members.

Args:
  username:
  password:
  account_type: string (optional)
  service: string (optional)
  auth_service_url: string (optional)
  captcha_token: string (optional)
  captcha_response: string (optional)

                                                                                    :
    """Convenience method for authenticating using ProgrammaticLogin. 
    
    Sets values for email, password, and other optional members.

    Args:
      username:
      password:
      account_type: string (optional)
      service: string (optional)
      auth_service_url: string (optional)
      captcha_token: string (optional)
      captcha_response: string (optional)
    """
    self.email = username
    self.password = password

    if account_type:
      self.account_type = account_type
    if service:
      self.service = service
    if source:
      self.source = source
    if auth_service_url:
      self.auth_service_url = auth_service_url

    self.ProgrammaticLogin(captcha_token, captcha_response)

  def GenerateAuthSubURL(self, next, scope, secure=False, session=True):