On Wednesday, 6 November 2019 09:05:42 UTC+1, Christian Gollwitzer wrote: > Am 06.11.19 um 03:59 schrieb Dennis Lee Bieber: > > On Tue, 5 Nov 2019 10:33:20 -0800 (PST), Spencer Du > > <spence...@hotmail.co.uk> declaimed the following: > > > >> Hi > >> > >> I want to execute at least two python files at once when imported but I > >> dont know how to do this. Currently I can only import each file one after > >> another but what i want is each file to be imported at the same time. Can > >> you help me write the code for this? embedded.py is the main file to > >> execute. > > > > > > Short answer: you don't. > > > > When you import a module, the code for that module is parsed and > > anything that is module level executable statement is done (note: "def" is > > an executable statement -- it creates a function object contained the > > parsed body and binds it to the provided name). When the parser gets to the > > end of the module, it returns to the parent level and the next statement is > > executed. > > > > Unless you use 1) threads; 2) subprocesses; or 3) multiprocess a Python > > program only has one line of control, and that control is sequential. > > Since some of these example programs use asyncio, there is a 4th method. > You convert all the programs to use asyncio, remove the event loop from > these programs, i.e. remove the > > asyncio.get_event_loop().run_until_complete(main()) > > from the individual programs, and then you run a single event loop in > your main program. Something like > > loop = asyncio.get_event_loop() > loop.run_until_complete(asyncio.gather(laserembeded.main(), > camerasembedded.main())) > > > Christian
Ok I am interested in knowing how i can do it via either 1) threads; 2) subprocesses; or 3) multiprocess; depending on what you think is the best method. Thanks -- https://mail.python.org/mailman/listinfo/python-list
