BaseRestartWorkChain: add method to enable/disable process handlers
#3786
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Thanks, @sphuber, I will test it in lsmo-epfl/aiida-raspa#56 and will let you know. |
The `process_handler` decorator is updated with a new keyword argument `enabled` which is by default `True`. By setting it to `False` the process handler is disabled and will always be skipped during the `inspect_process` outline step. This default can be overridden on a per instance basis through a new input called `handler_overrides`. The base spec of `BaseRestartWorkChain` defines this new base input called `handler_overrides` which takes a mapping of process handler names to a boolean. For `True` the process handler is enabled and for `False` it is disabled, where disabled means that during the `inspect_process` call it is not called but skipped. The validator on the port ensures that the keys correspond to actual instance methods of the work chain that are decorated with `process_handler`. The value specified in `handler_overrides`, as the name suggests, override the default value specified in the decorator.
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yakutovicha
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Thanks a lot, @sphuber. I tested the updated functionality of the base restart work chain on aiida-raspa work chains and everything seems to work without a problem. In particular, I tested disabling/enabling handlers that are enabled/disabled by default and get_process_handlers() function (see my note below).
This was referenced Mar 31, 2020
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Fixes #3773
The
process_handlerdecorator is updated with a new keyword argumentenabledwhich is by defaultTrue. By setting it toFalsetheprocess handler is disabled and will always be skipped during the
inspect_processoutline step. This default can be overridden on a perinstance basis through a new input called
handler_overrides.The base spec of
BaseRestartWorkChaindefines this new base inputcalled
handler_overrideswhich takes a mapping of process handlernames to a boolean. For
Truethe process handler is enabled and forFalseit is disabled, where disabled means that during theinspect_processcall it is not called but skipped. The validator onthe port ensures that the keys correspond to actual instance methods of
the work chain that are decorated with
process_handler. The valuespecified in
handler_overrides, as the name suggests, override thedefault value specified in the decorator.