Mercurial > libervia-web
changeset 925:e00151140f77
server (pages): URIs handling:
a page can now handle specific URIs by using uri_handlers variable:
it's a dict mapping URIs (type/subtype) tuples to a callback. The callback must generate the URI path (relative to the page) including the needed URI data
| author | Goffi <goffi@goffi.org> |
|---|---|
| date | Mon, 03 Apr 2017 01:00:29 +0200 |
| parents | 94f88277c2e7 |
| children | 612e33fd32a8 |
| files | src/server/server.py |
| diffstat | 1 files changed, 36 insertions(+), 2 deletions(-) [+] |
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--- a/src/server/server.py Mon Apr 03 01:00:29 2017 +0200 +++ b/src/server/server.py Mon Apr 03 01:00:29 2017 +0200 @@ -1422,6 +1422,7 @@ class LiberviaPage(web_resource.Resource): isLeaf = True # we handle subpages ourself named_pages = {} + uri_callbacks = {} def __init__(self, host, root_dir, name=None, redirect=None, access=None, parse_url=None, prepare_render=None, render=None, template=None): @@ -1497,8 +1498,8 @@ if parse_url is not None and not callable(parse_url): log.error(_(u"parse_url must be a callable")) - @staticmethod - def importPages(host, parent=None, path=None): + @classmethod + def importPages(cls, host, parent=None, path=None): if path is None: path = [] if parent is None: @@ -1531,8 +1532,41 @@ parent.putChild(d, resource) new_path = path + [d] log.info(u"Added /{path} page".format(path=u'[...]/'.join(new_path))) + if 'uri_handlers' in page_data: + if not isinstance(page_data, dict): + log.error(_(u'uri_handlers must be a dict')) + else: + for uri_tuple, cb_name in page_data['uri_handlers'].iteritems(): + if len(uri_tuple) != 2 or not isinstance(cb_name, basestring): + log.error(_(u"invalid uri_tuple")) + continue + log.info(_(u'setting {}/{} URIs handler').format(*uri_tuple)) + try: + cb = page_data[cb_name] + except KeyError: + log.error(_(u'missing {name} method to handle {1}/{2}').format( + name = cb_name, *uri_tuple)) + continue + else: + cls.registerURI(uri_tuple, cb, new_path) + LiberviaPage.importPages(host, resource, new_path) + @classmethod + def registerURI(cls, uri_tuple, get_uri_cb, pre_path): + """register a URI handler + + @param uri_tuple(tuple[unicode, unicode]): type or URIs handler + type/subtype as returned by tools/common/parseXMPPUri + @param get_uri_cb(callable): method which take uri_data dict as only argument + and return path with correct arguments relative to page itself + @param pre_path(list[unicode]): prefix path to reference the handler page + """ + if uri_tuple in cls.uri_callbacks: + log.info(_(u"{}/{} URIs are already handled, replacing by the new handler").format(*uri_tuple)) + cls.uri_callbacks[uri_tuple] = {u'callback': get_uri_cb, + u'pre_path': pre_path} + def getChildWithDefault(self, path, request): # we handle children ourselves raise exceptions.InternalError(u"this method should not be used with LiberviaPage")