makefun_dynamic_function_creation_with_custom_signature.py

1from makefun import create_function
2
3# 1. Define the signature
4func_sig = "my_func(a, b=1)"
5
6# 2. Define the implementation
7def my_impl(a, b):
8    print("a=%s, b=%s" % (a, b))
9    return a + b
10
11# 3. Create the function
12dynamic_func = create_function(func_sig, my_impl)
13
14# Test it
15res = dynamic_func(2)
16assert res == 3
17print("Function name: %s" % dynamic_func.__name__)
18print("Function signature: %s" % str(inspect.signature(dynamic_func)))