def _documents_url(self):
    if (self._db == '_system'):
        base_url = self._db_base('document')
    else:
        base_url = self._branch_base('document')
    return base_url
def _documents_url(self):
    if (self._db == '_system'):
        base_url = self._db_base('document')
    else:
        base_url = self._branch_base('document')
    return base_url