aiidateam / aiida_core / 4447

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develop: 74%

Pull #2203

travis-ci

Implement the new `calcfunction` decorator.

This `calcfunction` decorator replaces the `make_inline` and `optional_inline`
decorators, which are deprecated. The `calcfunction` operates identical to the
`workfunction` except the former gets a `CalcFunctionNode` to represent itself
in the provenance graph as opposed to the `WorkFunctionNode` of the latter.

The behavior of the `optional_inline` decorator is already intrinsically
contained within the `calcfunction` and `workfunction` decorators. Since under
the hood a `FunctionProcess` will be generated, and each process has an input
port `store_provenace` that can be toggled to `False` to prevent the provenance
from being stored, each `calcfunction` can be run without storing the provenance
by simply passing `store_provenance=False` when calling the function.

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