Default implementation of the operations

[jmhorcas]

Testing the framework as an end-user, I perform the following commands with success :)

from famapy.core.discover import DiscoverMetamodels 
dm = DiscoverMetamodels()
result = dm.use_operation_from_file(operation, filename)

However, which implementation of the operation (e.g., sat, fm, bdd) take it by default?
I am using a feature model in FeatureIDE (extension .fide), and it is taking the FM_METAMODELS operations by default in all cases.
Operations work for those that are defined in the FM plugin but not for those that are defined in other plugins but not in FM.

How can I select the specific implementation?
I've tried with the concrete name of the implementation (e.g,. Glucose3ProductsNumber), but it doesn't work, obtaining an NotImplementedError: Way to execute operation not found.

Other related minor issues:

• Moreover, the real extension for feature models in FeatureIDE is .xml. The extension .fide is artifitial, but for .xml the default reader is the xml_reader. So, if we do not change the extension of FeatureIDE models from .xml to .fide it will fail.

• Also, operation and filename expected str types as input. It should be documented.

[jagalindo]

This is a current limitarion. I assign the issue for the latest release

[jagalindo]

I do thknk that this is already implemented by means of using a different function. Anyhow I'll take a look to it

[jagalindo]

from famapy.core.discover import DiscoverMetamodels
dm = DiscoverMetamodels()
result = dm.use_operation_from_file(operation, filename)

About this. In case that you're interested in using another plugin you should rely on this style of implementation

from famapy.core.discover import DiscoverMetamodels
dm = DiscoverMetamodels()
fm=dm.use_transformation_t2m("path",'fm')
pysat=dm.use_transformation_m2m(fm,'pysat')
operation=dm.use_operation(pysat,'Valid')
print(operation.get_resutl())

We will implement this option in the command line for the end users asap