def findOPLocalIdentifier(service_element, type_uris):
"""Find the OP-Local Identifier for this xrd:Service element.
This considers openid:Delegate to be a synonym for xrd:LocalID if
both OpenID 1.X and OpenID 2.0 types are present. If only OpenID
1.X is present, it returns the value of openid:Delegate. If only
OpenID 2.0 is present, it returns the value of xrd:LocalID. If
there is more than one LocalID tag and the values are different,
it raises a DiscoveryFailure. This is also triggered when the
xrd:LocalID and openid:Delegate tags are different.
@param service_element: The xrd:Service element
@type service_element: ElementTree.Node
@param type_uris: The xrd:Type values present in this service
element. This function could extract them, but higher level
code needs to do that anyway.
@type type_uris: List[six.text_type], six.binary_type is deprecated
@raises DiscoveryFailure: when discovery fails.
@returns: The OP-Local Identifier for this service element, if one
is present, or None otherwise.
@rtype: six.text_type or NoneType
"""
# XXX: Test this function on its own!
type_uris = [
string_to_text(
u,
"Binary values for text_uris are deprecated. Use text input instead."
) for u in type_uris
]
# Build the list of tags that could contain the OP-Local Identifier
local_id_tags = []
if (OPENID_1_1_TYPE in type_uris or OPENID_1_0_TYPE in type_uris):
local_id_tags.append(nsTag(OPENID_1_0_NS, 'Delegate'))
if OPENID_2_0_TYPE in type_uris:
local_id_tags.append(nsTag(XRD_NS_2_0, 'LocalID'))
# Walk through all the matching tags and make sure that they all
# have the same value
local_id = None
for local_id_tag in local_id_tags:
for local_id_element in service_element.findall(local_id_tag):
if local_id is None:
local_id = local_id_element.text
elif local_id != local_id_element.text:
format = 'More than one %r tag found in one service element'
message = format % (local_id_tag, )
raise DiscoveryFailure(message, None)
return local_id
def findOPLocalIdentifier(service_element, type_uris):
"""Find the OP-Local Identifier for this xrd:Service element.
This considers openid:Delegate to be a synonym for xrd:LocalID if
both OpenID 1.X and OpenID 2.0 types are present. If only OpenID
1.X is present, it returns the value of openid:Delegate. If only
OpenID 2.0 is present, it returns the value of xrd:LocalID. If
there is more than one LocalID tag and the values are different,
it raises a DiscoveryFailure. This is also triggered when the
xrd:LocalID and openid:Delegate tags are different.
@param service_element: The xrd:Service element
@type service_element: ElementTree.Node
@param type_uris: The xrd:Type values present in this service
element. This function could extract them, but higher level
code needs to do that anyway.
@type type_uris: [str]
@raises DiscoveryFailure: when discovery fails.
@returns: The OP-Local Identifier for this service element, if one
is present, or None otherwise.
@rtype: str or unicode or NoneType
"""
# XXX: Test this function on its own!
# Build the list of tags that could contain the OP-Local Identifier
local_id_tags = []
if (OPENID_1_1_TYPE in type_uris or
OPENID_1_0_TYPE in type_uris):
local_id_tags.append(nsTag(OPENID_1_0_NS, 'Delegate'))
if OPENID_2_0_TYPE in type_uris:
local_id_tags.append(nsTag(XRD_NS_2_0, 'LocalID'))
# Walk through all the matching tags and make sure that they all
# have the same value
local_id = None
for local_id_tag in local_id_tags:
for local_id_element in service_element.findall(local_id_tag):
if local_id is None:
local_id = local_id_element.text
elif local_id != local_id_element.text:
format = 'More than one %r tag found in one service element'
message = format % (local_id_tag,)
raise DiscoveryFailure(message, None)
return local_id