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Element now has find(), findall(), iterfind(), findtext() — the core ElementTree query API. Path syntax (tag, .//tag, *, .., [@attrib], [tag='text']) is translated to XPath and evaluated by the SIMD engine. Also adds: - extend(), makeelement() on Element (raise TypeError) - iter() now includes self (matching stdlib behavior) - itertext() now yields text/tail in correct stdlib order - ET module: fromstringlist, tostringlist, dump, iselement - ET module: SubElement, Comment, PI, indent (raise TypeError) - ET module: register_namespace (no-op), ElementTree.write (TypeError) - ET module: ElementTree.iter, findtext, iterfind 131 new tests (322 total): - 49 ET compat tests (parse, ElementTree class, find/findall, read-only) - 82 exhaustive drop-in tests cross-validating every operation against stdlib xml.etree.ElementTree on 7 corpus types - Property tests (Hypothesis) for iter, itertext, find, len, text/tail - Adversarial: empty docs, deep nesting, entities, mixed content, CDATA Co-Authored-By: Claude Opus 4.6 (1M context) <[email protected]>
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Summary
Full read-only drop-in compatibility with
xml.etree.ElementTree.Element methods added
find(path),findall(path),iterfind(path),findtext(path, default)— ET path syntax translated to XPathextend(),makeelement()— raise TypeError (read-only)Element fixes
iter()now yields self first (matching stdlib)itertext()now interleaves text/tail in correct stdlib orderET module functions added
fromstringlist(),tostringlist(),dump(),iselement()SubElement(),Comment(),ProcessingInstruction()/PI(),indent()— raise TypeErrorregister_namespace()— no-op for compatibilityElementTree.iter(),.findtext(),.iterfind(),.write()(raises)Test coverage
What's NOT supported (by design)
TreeBuilder,XMLParser,XMLPullParser— incremental parsingcanonicalize— C14N serialization🤖 Generated with Claude Code