How to use the pysmb.smbc.SERVER function in pysmb

while smbc_auth.perform_authentication () > 0:
                try:
                    entries = ctx.opendir ("smb://").getdents ()
                except Exception, e:
                    smbc_auth.failed (e)
        except RuntimeError, (e, s):
            if e != errno.ENOENT:
                debugprint ("Runtime error: %s" % repr ((e, s)))
        except:
            nonfatalException ()

        store.clear ()
        if entries:
            for entry in entries:
                if entry.smbc_type in [pysmb.smbc.WORKGROUP,
                                       pysmb.smbc.SERVER]:
                    iter = store.append (None, [entry])
                    i = store.append (iter)

        specified_uri = SMBURI (uri=self.entSMBURI.get_text ())
        (group, host, share, user, password) = specified_uri.separate ()
        if len (host) > 0:
            # The user has specified a server before clicking Browse.
            # Append the server as a top-level entry.
            class FakeEntry:
                pass
            toplevel = FakeEntry ()
            toplevel.smbc_type = pysmb.smbc.SERVER
            toplevel.name = host
            toplevel.comment = ''
            iter = store.append (None, [toplevel])
            i = store.append (iter)

if entries:
            for entry in entries:
                if entry.smbc_type in [pysmb.smbc.WORKGROUP,
                                       pysmb.smbc.SERVER]:
                    iter = store.append (None, [entry])
                    i = store.append (iter)

        specified_uri = SMBURI (uri=self.entSMBURI.get_text ())
        (group, host, share, user, password) = specified_uri.separate ()
        if len (host) > 0:
            # The user has specified a server before clicking Browse.
            # Append the server as a top-level entry.
            class FakeEntry:
                pass
            toplevel = FakeEntry ()
            toplevel.smbc_type = pysmb.smbc.SERVER
            toplevel.name = host
            toplevel.comment = ''
            iter = store.append (None, [toplevel])
            i = store.append (iter)

            # Now expand it.
            path = store.get_path (iter)
            self.tvSMBBrowser.expand_row (path, 0)

        ready(self.SMBBrowseDialog)

        if store.get_iter_first () == None:
            self.SMBBrowseDialog.hide ()
            show_info_dialog (_("No Print Shares"),
                              _("There were no print shares found.  "
                                "Please check that the Samba service is "