async def report(self, environ, request_body, resources_by_hrefs, properties, href, resource, depth): old_token = None sync_level = None limit = None requested = None for el in request_body: if el.tag == '{DAV:}sync-token': old_token = el.text elif el.tag == '{DAV:}sync-level': sync_level = el.text elif el.tag == '{DAV:}limit': limit = el.text elif el.tag == '{DAV:}prop': requested = list(el) else: raise webdav.BadRequestError('unknown tag %s' % el.tag) # TODO(jelmer): Implement sync_level infinite if sync_level not in ("1", ): raise webdav.BadRequestError("sync level %r unsupported" % sync_level) new_token = resource.get_sync_token() try: diff_iter = resource.iter_differences_since(old_token, new_token) except NotImplementedError: yield webdav.Status( href, '403 Forbidden', error=ET.Element('{DAV:}sync-traversal-supported')) return if limit is not None: try: [nresults_el] = list(limit) except ValueError: raise webdav.BadRequestError( 'Invalid number of subelements in limit') try: nresults = int(nresults_el.text) except ValueError: raise webdav.BadRequestError('nresults not a number') diff_iter = itertools.islice(diff_iter, nresults) for (name, old_resource, new_resource) in diff_iter: subhref = urllib.parse.urljoin(webdav.ensure_trailing_slash(href), name) if new_resource is None: yield webdav.Status(subhref, status='404 Not Found') else: propstat = [] for prop in requested: if old_resource is not None: old_propstat = webdav.get_property_from_element( href, old_resource, properties, environ, prop) else: old_propstat = None new_propstat = webdav.get_property_from_element( href, new_resource, properties, environ, prop) if old_propstat != new_propstat: propstat.append(new_propstat) yield webdav.Status(subhref, propstat=propstat) yield SyncToken(new_token)
async def get_value(self, base_href, resource, el, environ): for href in resource.get_calendar_home_set(): href = webdav.ensure_trailing_slash(href) el.append(webdav.create_href(href, base_href))