Hi!

I've just had fun with the runpy module in Python 2.7. I'm writing to share it :)

What I've tried is to "load" a python script using runpy.run_path(), take a function from the resulting namespace and call it with arbitrary arguments.

All the functions in the namespace seem to be ok. repr(namespace["f"]) gives "<function f at 0x005531F0>".

But if the f() is referring the modules namespace (I supposed it is the same as the returned one), all the values appear to be None.

Example script.py: """
def f(arg):
   return g(arg)

def g(arg):
   return arg
"""

Then running main.py: """
import runpy

namespace = runpy.run_path("./script.py")
print namespace["f"]
print namespace["g"]

print namespace["f"]("abc")
"""

gives such an output """
<function f at 0x005524F0>
<function g at 0x023F0830>
Traceback (most recent call last):
  File "main.py", line 7, in <module>
    print namespace["f"]("abc")
  File "./script.py", line 2, in f
    return g(arg)
TypeError: 'NoneType' object is not callable
"""

Reading the Lib/runpy.py I've found, that the temporary module created inside the run_path() calls, is destroyed right after the script.py code executed in the resulting namespace.

I suppose that it is ether an issue or a feature that should be documented :)

--
Have a good time and a good mood!

Alex.
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