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Add rename, flatten, and head/tail commands (0.4.0) - #6
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Expose reusable shape helpers and matching CLI commands for renaming top-level keys, flattening nested objects, and slicing list roots. Bump version to 0.4.0.
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Summary
Release 0.4.0 adds three shaping commands and their library helpers.
rename OLD NEW [OLD NEW ...] [file]renames top-level keys on an object or on each object in a list. Missing keys are left alone, non-objects pass through, and all renames apply in one pass.flatten [file]turns nested objects into top-level keys joined by--sep(default.). Nested lists stay as values, an empty object stays empty, and a non-object root is returned unchanged.head N [file]andtail N [file]return the first or last N items of a list. N must be a non-negative integer; a count past the end returns what exists, and0returns an empty list.rename_keys,flatten_object,head_rows, andtail_rowsare exported from the package. README command table, examples, and library section are updated.Test plan
pytest(71 tests)