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Re: [ease-dev] Accessing EASE module from Python module
  • From: Vinod Appu <vinod.appu@xxxxxxxxxxx>
  • Date: Mon, 5 Oct 2020 04:21:18 +0000
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  • Thread-topic: [ease-dev] Accessing EASE module from Python module
Hi Christian,

Thanks for the reply, it covers almost all my doubts.
Is there any performance metrics for EASE + Python/ EASE + Jython/ EASE + Javascript ...?

~Vinod

-----Original Message-----
From: ease-dev-bounces@xxxxxxxxxxx <ease-dev-bounces@xxxxxxxxxxx> On Behalf Of Christian Pontesegger
Sent: Thursday, October 1, 2020 11:33 AM
To: ease developer discussions <ease-dev@xxxxxxxxxxx>
Subject: Re: [ease-dev] Accessing EASE module from Python module

Hi Vinod,

when we run a python script, EASE injects some methods into the global namespace. I am not a python expert, but to my knowledge modules are separated from each other. So I guess whatever we push to the main module is not visible for other modules.

As you may also use import statements instead of loadModule():

	loadModule("/some/module")
	import eclipse.some.module as my_module

you may try to import the EASE module in main and pass it on to your module as a parameter.

Just generally I am not sure if it is a good idea to build python modules on top of EASE modules. Switching between python and Java always comes with high performance costs. So you want to keep these calls on a minimum level. Therefore I would not recommend to start building frameworks on top of these modules.

best regards
Christian

>
> I'm trying to call loadModule(<EASE module>) from a python module (say 
> test_module.py). test_module.py is loaded by Main.py.
> Main.py is executed by EASE py4j engine and I'm getting "NameError:
> name 'loadModule' is not defined". If I'm using loadModule(<EASE
> module>) from Main.py, it's working fine.
> I want to use test_module itself to call loadModule(<EASE module>), 
> please guide me here.
>

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