mirror of
https://github.com/kuhyx/utils.git
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Krzysztof kuhy Rudnicki
254c8ce240
Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_01WzxdWXTUM9dpnCS2wtFkx4
75 lines
2.9 KiB
Python
75 lines
2.9 KiB
Python
"""Delta and table rendering for conformance reports (see conformance.py)."""
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from __future__ import annotations
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import json
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from pathlib import Path
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from typing import Any
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Json = dict[str, Any]
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def _num(value: object) -> float:
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"""Numeric value from loosely typed JSON, 0 when absent."""
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return float(value) if isinstance(value, (int, float)) else 0.0
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def load_previous(path: Path) -> Json:
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"""Read an earlier ``--json`` report; ValueError if its shape is wrong."""
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data = json.loads(path.read_text(encoding="utf-8"))
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surfaces = data.get("surfaces") if isinstance(data, dict) else None
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ok = isinstance(surfaces, list) and isinstance(data.get("totals"), dict)
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if not ok or not all(isinstance(s, dict) and "name" in s for s in surfaces):
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msg = "not a conformance report"
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raise ValueError(msg)
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return data
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def delta(current: Json, previous: Json) -> Json:
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"""Per-surface and total change versus a previous report."""
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before = {str(s["name"]): s for s in previous["surfaces"]}
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rows: list[Json] = []
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entries = [*current["surfaces"], current["totals"]]
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prev_total = previous["totals"]
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for row in entries:
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old = prev_total if row["name"] == "TOTAL" else before.get(str(row["name"]), {})
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rows.append({
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"name": row["name"],
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"token_usages": _num(row["token_usages"]) - _num(old.get("token_usages")),
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"raw_literals": _num(row["raw_literals"]) - _num(old.get("raw_literals")),
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"conformance": None
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if row["conformance"] is None or old.get("conformance") is None
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else round(_num(row["conformance"]) - _num(old["conformance"]), 1),
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})
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return {"rows": rows}
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def _fmt(value: object, signed: bool = False) -> str:
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"""Table cell text for a count, percent or missing value."""
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if value is None:
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return "-"
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return f"{_num(value):+g}" if signed else f"{_num(value):g}"
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def table(rep: Json, diff: Json | None) -> str:
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"""Plain-text table, with delta columns when ``diff`` is given."""
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head = ["surface", "files", "tokens", "raw", "conf%"]
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if diff:
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head += ["d.tokens", "d.raw", "d.conf"]
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rows = [head]
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deltas = {str(r["name"]): r for r in diff["rows"]} if diff else {}
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for row in [*rep["surfaces"], rep["totals"]]:
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cells = [str(row["name"]), _fmt(row["files"]), _fmt(row["token_usages"]),
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_fmt(row["raw_literals"]), _fmt(row["conformance"])]
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if diff:
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d = deltas.get(str(row["name"]), {})
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cells += [_fmt(d.get("token_usages", 0), True),
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_fmt(d.get("raw_literals", 0), True),
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_fmt(d.get("conformance"), True)]
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rows.append(cells)
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widths = [max(len(r[i]) for r in rows) for i in range(len(head))]
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return "\n".join(
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" ".join(c.ljust(w) for c, w in zip(r, widths, strict=True)).rstrip()
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for r in rows
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)
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