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Add helper functions for common ways of filtering nodes (#1137)

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* Make the nodes fields filtering process - from libcst.tool - public, so that other libraries may provide their own custom representation of LibCST graphs.

* Create functions to access & filter CST-node fields (with appropriate docstrings & tests), in libcst.helpers

* Add new CST-node fields functions to helpers documentation.
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zaicruvoir1rominet 2024-05-13 11:20:47 +02:00 • committed by GitHub
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docs/source/helpers.rst
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@ -32,3 +32,18 @@ Functions that assist in traversing an existing LibCST tree.
.. autofunction:: libcst.helpers.get_full_name_for_node
.. autofunction:: libcst.helpers.get_full_name_for_node_or_raise
.. autofunction:: libcst.helpers.ensure_type
Node fields filtering Helpers
-----------------------------
Function that assist when handling CST nodes' fields.
.. autofunction:: libcst.helpers.filter_node_fields
And lower level functions:
.. autofunction:: libcst.helpers.get_node_fields
.. autofunction:: libcst.helpers.is_whitespace_node_field
.. autofunction:: libcst.helpers.is_syntax_node_field
.. autofunction:: libcst.helpers.is_default_node_field
.. autofunction:: libcst.helpers.get_field_default_value