def test_signature():
def test(directive):
node = Node(directive)
if VERBOSE:
print directive,':', node.head.view
from leonode import directive
@directive('func')
def func(**kwds):
def _func(element):
return element
return _func
f1 = directive('f1')(
lambda *args, **kwds: lambda element: element)
f2 = directive('f2')(
lambda **kwds: lambda element: kwds)
f3 = directive('f3')(
lambda *args: lambda element: args)
f4 = directive('f4')(
lambda x: lambda element: x + id(element))
f5 = directive('f5')(
lambda x, y: lambda element: x+y)
f5 = directive('f5')(
lambda x, y, a=1: lambda element: x+y+a)
h1 = directive('h1', 'h-expr')(
lambda **kwds: lambda element: element.type)
directives = [
'@func',
'@f1',
'@f2(a=1,b=2)',
'@f3(1,2)',
'@f4(1)',
'@f5(1,2)',
'@h1'
]
for d in directives:
test(d)
def test_person():
"tests a class instance as directive"
class Person(object):
def __init__(self, name):
self.name = name
def __call__(self, **kwds):
def _get_person(element):
element.data = "Hello %s" % self.name
return element.data
return _get_person
from leonode import directive
person = Person('sam')
# registers the instance as a directive
# use this method until class decorators
# become more popular
p = directive('person', 'person-obj')(person)
n = node1('@person says hello')
if VERBOSE: display(n)