def validate(self, node):
'''
Check this constraint against a node.
Raise an exception if the constraint fails, possibly after attempting fixup
'''
from amara.bindery import BinderyError
assertion = self.assertion
if callable(assertion):
assertion = assertion(node)
result = datatypes.boolean(node.xml_select(assertion))
if not result:
if self.fixup:
self.fixup(node)
result = datatypes.string(node.xml_select(assertion))
if result:
return
raise BinderyError(BinderyError.CONSTRAINT_VIOLATION, constraint=self.msg or assertion, node=abspath(node))
def validate(self, node):
'''
Check this constraint against a node.
Raise an exception if the constraint fails, possibly after attempting fixup
'''
from amara.bindery import BinderyError
assertion = self.assertion
if callable(assertion):
assertion = assertion(node)
result = datatypes.boolean(node.xml_select(assertion))
if not result:
if self.fixup:
self.fixup(node)
result = datatypes.string(node.xml_select(assertion))
if result:
return
raise BinderyError(BinderyError.CONSTRAINT_VIOLATION,
constraint=self.msg or assertion,
node=abspath(node))
def evaluate_as_boolean(self, context):
return datatypes.boolean(self.evaluate(context))
def evaluate_as_boolean(self, context):
return datatypes.boolean(self.evaluate(context))