def getCanonicalID(iname, xrd_tree):
"""Return the CanonicalID from this XRDS document.
@param iname: the XRI being resolved.
@type iname: unicode
@param xrd_tree: The XRDS output from the resolver.
@type xrd_tree: ElementTree
@returns: The XRI CanonicalID or None.
@returntype: unicode or None
"""
xrd_list = xrd_tree.findall(xrd_tag)
xrd_list.reverse()
try:
canonicalID = xri.XRI(xrd_list[0].findall(canonicalID_tag)[0].text)
except IndexError:
return None
childID = canonicalID.lower()
for xrd in xrd_list[1:]:
parent_sought = childID.rsplit("!", 1)[0]
parent = xri.XRI(xrd.findtext(canonicalID_tag))
if parent_sought != parent.lower():
raise XRDSFraud("%r can not come from %s" % (childID, parent))
childID = parent_sought
root = xri.rootAuthority(iname)
if not xri.providerIsAuthoritative(root, childID):
raise XRDSFraud("%r can not come from root %r" % (childID, root))
return canonicalID
def _getCanonicalID(self, iname, xrds, expectedID):
if isinstance(expectedID, six.string_types + (type(None), )):
cid = etxrd.getCanonicalID(iname, xrds)
self.assertEqual(cid, expectedID and xri.XRI(expectedID))
elif issubclass(expectedID, etxrd.XRDSError):
self.assertRaises(expectedID, etxrd.getCanonicalID, iname, xrds)
else:
self.fail("Don't know how to test for expected value %r" %
(expectedID, ))
def _getCanonicalID(self, iname, xrds, expectedID):
if isinstance(expectedID, (str, unicode, type(None))):
cid = etxrd.getCanonicalID(iname, xrds)
self.failUnlessEqual(cid, expectedID and xri.XRI(expectedID))
elif issubclass(expectedID, etxrd.XRDSError):
self.failUnlessRaises(expectedID, etxrd.getCanonicalID, iname,
xrds)
else:
self.fail("Don't know how to test for expected value %r" %
(expectedID, ))
def getCanonicalID(iname, xrd_tree):
"""Return the CanonicalID from this XRDS document.
@param iname: the XRI being resolved.
@type iname: unicode
@param xrd_tree: The XRDS output from the resolver.
@type xrd_tree: ElementTree
@returns: The XRI CanonicalID or None.
@returntype: unicode or None
"""
xrd_list = xrd_tree.findall(xrd_tag)
xrd_list.reverse()
try:
canonicalID = xri.XRI(xrd_list[0].findall(canonicalID_tag)[-1].text)
except IndexError:
return None
childID = canonicalID
for xrd in xrd_list[1:]:
# XXX: can't use rsplit until we require python >= 2.4.
parent_sought = childID[:childID.rindex('!')]
parent_list = [xri.XRI(c.text) for c in xrd.findall(canonicalID_tag)]
if parent_sought not in parent_list:
raise XRDSFraud("%r can not come from any of %s" %
(parent_sought, parent_list))
childID = parent_sought
root = xri.rootAuthority(iname)
if not xri.providerIsAuthoritative(root, childID):
raise XRDSFraud("%r can not come from root %r" % (childID, root))
return canonicalID
def test(self):
actual_root = xri.rootAuthority(the_xri)
self.assertEqual(actual_root, xri.XRI(expected_root))
def test(self):
actual_root = xri.rootAuthority(the_xri)
self.failUnlessEqual(actual_root, xri.XRI(expected_root))