gemseo / core / grammars

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required_names module

Grammar required names.

class gemseo.core.grammars.required_names.RequiredNames(grammar, names=())

Bases: MutableSet[str]

A set-like class for handling grammar required names.

The names in an instance of this class shall belong to the bound grammar.

Parameters:

• grammar (BaseGrammar) – The grammar bound to the required names.

• names (Iterable[str]) –

  The required names.

  By default it is set to ().

add(name)

Add an element.

Parameters:

name (str) –

Return type:

None

discard(name)

Remove an element. Do not raise an exception if absent.

Parameters:

name (str) –

Return type:

None