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Dedicated Start/End Actions for Script [message #1732540]

Wed, 18 May 2016 00:16

Daniel K.

Messages: 11
Registered: May 2012

Junior Member

Hi,
Again I have a general question regarding running a script.
I would like to have a dedicated action which is performed at the start and at the end of the script. Is there a general way to achieve this with hooks in EASE?
Currently I have defined a module with start/end to be added at the beginning and at the end.

Regards
Daniel

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Re: Dedicated Start/End Actions for Script [message #1732660 is a reply to message #1732540]

Wed, 18 May 2016 20:23

Christian Pontesegger

Messages: 232
Registered: July 2009
Location: Graz, Austria

Senior Member

Hi Daniel,

such actions are not supported using keywords or similar. We do have an extension point to register arbitrary extensions called whenever a new script engine is started. At that point you do not know what it will be used for (eg a script, the shell, a run target) nor which source code will be provided to it. We use this extension to bootstrap the Environment module which provides commands like loadModule(). As these extensions do not have a priority order you cannot rely that a custom extension done by you would be called after the bootstrapping process of the environment. So it is somehow limited.

What you might do is register a listener on the script engine that reacts on code injections (pre/post). That might help you to auomate your stuff.

Be careful not to create infinite loops when adding code whenever a script is finished. Your code would also be a script that finishes at some point in time and might trigger another 'finish' action.

HTH
Christian

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