Execute external code and get return value

[Peter Otten]

Michele Petrazzo wrote:

> Following this link, here is my solution:
> 
> 
> code = """
> def funct2Call():
>   return "It work!"
> 
> object.method(funct2Call)
> """
> 
> class Object(object):
>      def method(self, value):
>          self._callable = value
>      def __call__(self):
>          return self._callable()
> 
> # populate the namespace
> namespace = {
>      "object": Object()
>      }
> 
> # execute the code
> exec code in namespace
> 
> namespace["object"]()

Just in case you didn't see it -- the following will work as well:

code = """
def funct2Call():
  return "It work!"
"""

namespace = {}
exec code in namespace
namespace["funct2Call"]()

Peter