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dS)zUtilities for defining xmethods�Nc@seZdZdZdd�ZdS)�XMethoda�Base class (or a template) for an xmethod description.

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    interface of the XMethodMatcher.methods objects.  One could use
    this class or choose to use an object which supports this exact same
    interface.  Also, an XMethodMatcher can choose not use it 'methods'
    attribute.  In such cases this class (or an equivalent) is not used.

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    objects if there is a match (see below for 'XMethodWorker' class).

    Attributes:
        name: The name of the matcher.
        enabled: A boolean indicating if the matcher is enabled.
        methods: A sequence of objects of type 'XMethod', or objects
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            This list is used by the 'enable'/'disable'/'info' commands to
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XMethodWorkera8Base class for all xmethod workers defined in Python.

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    invoke this Python xmethod, then it invokes it via the overridden
    '__call__' method.  The 'get_result_type' method is used to implement
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    cCstd��dS)a�Return arguments types of an xmethod.

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            method_function: A Python callable which would be called via the
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        matcher: The xmethod matcher to register with the LOCUS.  It
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