code: def setup(self,
              hosts, files, use_tsk,
              reason, grr_server_url, grr_username, grr_password, approvers=None,
              verify=True):
      
      super(GRRFileCollector, self).setup(
          reason, grr_server_url, grr_username, grr_password,
          approvers=approvers, verify=verify)
  
      if files is not None:
        self.files = [item.strip() for item in files.strip().split(',')]
  
      self.hostnames = [item.strip() for item in hosts.strip().split(',')]
      self.use_tsk = use_tsk
docs: Initializes a GRR file collector.
  
      Args:
        hosts: Comma-separated list of hostnames to launch the flow on.
        files: list of file paths.
        use_tsk: toggle for use_tsk flag on GRR flow.
        reason: justification for GRR access.
        grr_server_url: GRR server URL.
        grr_username: GRR username.
        grr_password: GRR password.
        approvers: list of GRR approval recipients.
        verify: boolean, whether to verify the GRR server's x509 certificate.