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feat(kernel): R5 — Python and Go ports, gates passed, default-on

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Python (codegraph-kernel/src/python.rs) and Go (src/go.rs) join the
native kernel, mirroring the wasm extractors bug-for-bug. Python:
decorated_definition docstrings/decorators (decorates refs only for
bare-identifier decorators — the call-kind quirk), function-in-class →
method, module-level assignments always extract as variable, from-import
per-name binding refs, self.x fn-ref candidates as bare names. Go:
receiver methods with Recv::name qualified names + contains edges to the
first earlier struct of that name, type_spec struct/interface
classification with embedding→extends and interface method nodes,
composite-literal instantiates keeping the package qualifier, top-level
var/const initializer walks attributed to the declared symbol (#693),
2-hop field chains (#1276), New().Method() re-encode (#645/#608), and
the GO_SPEC fn-ref layers.

Grammars: tree-sitter-python 0.23.6 + tree-sitter-go 0.23.4 crates, with
wasm vendored from the same tags (parser.c sha-matched) — both were
2023-era in tree-sitter-wasms.

Gates: extraction sweeps 100% (flask 83/83, django 3,035/3,038 +3
error-file deferrals, gin 99/99, prometheus 978/979 +1); full-init
dump-diffs byte-identical on flask (10,833 rows), gin (17,540), django
(360,794), and prometheus (213,758); torture fixtures enforced in npm
test. DEFAULT_ROUTED now covers typescript/tsx/javascript/jsx/java/
python/go. Full suite: 2,471 tests pass.

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
This commit is contained in:
Colby McHenry
2026-07-16 23:50:02 -05:00
co-authored by Claude Fable 5
parent 28068fa0f1
commit c2503e2bee
18 changed files with 2393 additions and 14 deletions
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scripts/kernel-parity.mjs
+2 -2
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@@ -39,11 +39,11 @@ if (paths.length === 0) {
process.exit(2);
}
const KERNEL_LANGS = new Set(['typescript', 'tsx', 'javascript', 'jsx', 'java']);
const KERNEL_LANGS = new Set(['typescript', 'tsx', 'javascript', 'jsx', 'java', 'python', 'go']);
const EXTS = new Map([
['.ts', 'typescript'], ['.mts', 'typescript'], ['.cts', 'typescript'],
['.tsx', 'tsx'], ['.js', 'javascript'], ['.mjs', 'javascript'],
['.cjs', 'javascript'], ['.jsx', 'jsx'], ['.java', 'java'],
['.cjs', 'javascript'], ['.jsx', 'jsx'], ['.java', 'java'], ['.py', 'python'], ['.pyw', 'python'], ['.go', 'go'],
]);
/** Collect candidate files. */