runpy

You have wrapper python script that is calling another python script, currently using os.system('python another.py some-params') . You want to be able to debug both scripts and if you use os.system() you'll loose the debugger, so it does make sense to load the second script using the same interpretor instead of starting another one. import doesn't to the expected thing because it does not run the __main__ . Other variants, like exec() or runpy seams to miss the argv parameters. What solution do you see for this issue? I'm looking for a solution that does not require you to modify the another

I have a "canonical file structure" like that (I'm giving sensible names to ease the reading): mainpack/ __main__.py __init__.py - helpers/ __init__.py path.py - network/ __init__.py clientlib.py server.py - gui/ __init__.py mainwindow.py controllers.py In this structure, for example modules contained in each package may want to access the helpers utilities through relative imports in something like: # network/clientlib.py from ..helpers.path import create_dir The program is runned "as a script" using the __main__.py file in this way: python mainpack/ Trying to follow the PEP 366 I've put in _