5d7901b312
* Simplified Spec.__init__ signature by removing the *dep_like argument. The `*dep_like` argument of `Spec.__init__` is used only for tests. This PR removes it from the call signature and introduces an equivalent fixture to be used in tests. * Refactored ``spec_from_dict`` to be a static method of ``Spec`` The fixture ``spec_from_dict`` has been refactored to be a static method of ``Spec``. Test code has been updated accordingly. Added tests for exceptional paths. * Renamed argument `unique` to `normal` + added LazySpecCache class As requested in the review the argument `unique` of `Spec.from_literal` has been renamed to `normal`. To avoid eager evaluations of `Spec(spec_like)` expressions a subclass of `collections.defaultdict` has been introduced. * Spec object can be keys of the dictionary for a spec literal. Added back the possibility use a spec directly as a key. This permits to build DAGs that are partially normalized. |
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