function.py

import upywraptest
import math

def func1():
  print('func1')

def func1gen(a):
  def fn():
    print(a)
  return fn

upywraptest.Func1(func1)
upywraptest.Func1(func1gen('func1'))
upywraptest.Func1(lambda: print('func1'))
# Special case because it will pass around the std::function
# directly, see FromPyObj< std::function >, but there's no way
# to test that specifically.
upywraptest.Func1(upywraptest.ToFunc1())


def func2(a):
  print(a)

upywraptest.Func2(func2)


def func3():
  return 3

upywraptest.Func3(func3)


def func4(i, s):
  return '{}{}'.format(i, s)

upywraptest.Func4(func4)

# native functions
upywraptest.Func5(math.fabs)
upywraptest.Func5(upywraptest.Func6)

# more than 3 arguments
def Take4(a, b, c, d):
  return a + b + c + d

print(upywraptest.Func8(upywraptest.Func7))
print(upywraptest.Func8(Take4))

print(upywraptest.IsEmptyFunction(None))

def ModifyNative(s):
  s.val = 45

print(upywraptest.CallbackWithNativeArg(ModifyNative))

print(upywraptest.NoFunc())
upywraptest.ToFunc1()()
print(upywraptest.ToFunc2()(upywraptest.Simple(33)))
isEmpty = upywraptest.ToFunc3()
print(isEmpty(None))
print(isEmpty(lambda: 0))