def _unwrap_function(node):
"""Returns the value of the node if it is wrapped in a function, otherwise just returns the node
"""
if not isinstance(node, FunctionCall):
return node
try:
return XPATH_FUNCTIONS[node.name](node)
except KeyError:
raise CaseFilterError(
_("We don't know what to do with the function \"{}\". Accepted functions are: {}"
).format(
node.name,
", ".join(list(XPATH_FUNCTIONS.keys())),
), serialize(node))
except XPathFunctionException as e:
raise CaseFilterError(six.text_type(e), serialize(node))
def _unwrap_function(node):
"""Returns the value of the node if it is wrapped in a function, otherwise just returns the node
"""
if not isinstance(node, FunctionCall):
return node
try:
return XPATH_FUNCTIONS[node.name](node)
except KeyError:
raise CaseFilterError(
_("We don't know what to do with the function \"{}\". Accepted functions are: {}").format(
node.name,
", ".join(list(XPATH_FUNCTIONS.keys())),
),
serialize(node)
)
except XPathFunctionException as e:
raise CaseFilterError(six.text_type(e), serialize(node))