def make_selector(value):
'''Create a selector callable from the supplied value.
Args:
value: If is a callable, then returned unchanged. If a string is used
then create an attribute selector. If in an integer is used then
create a key selector.
Returns:
A callable selector based on the supplied value.
Raises:
ValueError: If a selector cannot be created from the value.
'''
if is_callable(value):
return value
if is_string(value):
return a_(value)
raise ValueError("Unable to create callable selector from '{0}'".format(value))
def make_selector(value):
"""Create a selector callable from the supplied value.
Args:
value: If is a callable, then returned unchanged. If a string is used
then create an attribute selector. If in an integer is used then
create a key selector.
Returns:
A callable selector based on the supplied value.
Raises:
ValueError: If a selector cannot be created from the value.
"""
if is_callable(value):
return value
if is_string(value):
return a_(value)
raise ValueError("Unable to create callable selector from '{0}'".format(value))
def test_k_result_is_callable(self):
foo_selector = k_('foo')
self.assertTrue(is_callable(foo_selector))
def generate(func, initial):
if not is_callable(func):
raise TypeError("func is not callable in call to generate().")
return query(_generate_result(func, initial))
def generate(func, initial):
if not is_callable(func):
raise TypeError("func is not callable in call to generate().")
return query(_generate_result(func, initial))
def test_k_result_is_callable(self):
foo_selector = k_('foo')
self.assertTrue(is_callable(foo_selector))
