Integrated my history into data

flex/lib/python3.6/site-packages/openid/yadis/services.py

@@ -0,0 +1,56 @@
+# -*- test-case-name: openid.test.test_services -*-
+
+from openid.yadis.filters import mkFilter
+from openid.yadis.discover import discover, DiscoveryFailure
+from openid.yadis.etxrd import parseXRDS, iterServices, XRDSError
+
+
+def getServiceEndpoints(input_url, flt=None):
+    """Perform the Yadis protocol on the input URL and return an
+    iterable of resulting endpoint objects.
+
+    @param flt: A filter object or something that is convertable to
+        a filter object (using mkFilter) that will be used to generate
+        endpoint objects. This defaults to generating BasicEndpoint
+        objects.
+
+    @param input_url: The URL on which to perform the Yadis protocol
+
+    @return: The normalized identity URL and an iterable of endpoint
+        objects generated by the filter function.
+
+    @rtype: (str, [endpoint])
+
+    @raises DiscoveryFailure: when Yadis fails to obtain an XRDS document.
+    """
+    result = discover(input_url)
+    try:
+        endpoints = applyFilter(result.normalized_uri, result.response_text,
+                                flt)
+    except XRDSError as err:
+        raise DiscoveryFailure(str(err), None)
+    return (result.normalized_uri, endpoints)
+
+
+def applyFilter(normalized_uri, xrd_data, flt=None):
+    """Generate an iterable of endpoint objects given this input data,
+    presumably from the result of performing the Yadis protocol.
+
+    @param normalized_uri: The input URL, after following redirects,
+        as in the Yadis protocol.
+
+
+    @param xrd_data: The XML text the XRDS file fetched from the
+        normalized URI.
+    @type xrd_data: str
+
+    """
+    flt = mkFilter(flt)
+    et = parseXRDS(xrd_data)
+
+    endpoints = []
+    for service_element in iterServices(et):
+        endpoints.extend(
+            flt.getServiceEndpoints(normalized_uri, service_element))
+
+    return endpoints