mirror of
https://github.com/kuhyx/testsAndMisc.git
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Krzysztof kuhy Rudnicki
0f3ff38788
Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>
80 lines
2.5 KiB
Python
80 lines
2.5 KiB
Python
"""Typed card-entry model and JSON loader for the JS-method data files."""
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from __future__ import annotations
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from dataclasses import dataclass
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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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DATA_DIR = Path(__file__).parent
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FAMILIES = ("array", "string", "extras")
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TIERS = frozenset({"core", "rare"})
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_REQUIRED = ("method", "tier", "task", "call", "returns", "example", "expected")
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@dataclass(frozen=True)
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class Entry:
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"""One method/idiom and everything the cards are generated from.
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`example` is a JS function body ending in `return`; `expected` is the exact
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`JSON.stringify` of that return value (or `undefined`).
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"""
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family: str
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method: str
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tier: str
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task: str
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call: str
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returns: str
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example: str
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expected: str
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mutates: bool | None = None
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signature: str = ""
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gotcha: str = ""
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@property
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def uid(self) -> str:
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"""Stable identity used for GUIDs and verification ids."""
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return f"{self.family}:{self.method}"
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def parse_entry(family: str, raw: dict[str, Any]) -> Entry:
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"""Validate one raw JSON object and build an Entry."""
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missing = [k for k in _REQUIRED if not raw.get(k)]
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if missing:
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msg = f"{family}: entry {raw.get('method', '?')!r} missing {missing}"
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raise ValueError(msg)
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if raw["tier"] not in TIERS:
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msg = f"{family}:{raw['method']}: tier must be one of {sorted(TIERS)}"
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raise ValueError(msg)
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unknown = set(raw) - set(_REQUIRED) - {"mutates", "signature", "gotcha"}
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if unknown:
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msg = f"{family}:{raw['method']}: unknown keys {sorted(unknown)}"
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raise ValueError(msg)
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return Entry(
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family=family,
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**{k: raw[k] for k in _REQUIRED},
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mutates=raw.get("mutates"),
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signature=raw.get("signature", ""),
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gotcha=raw.get("gotcha", ""),
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)
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def load_family(family: str, data_dir: Path = DATA_DIR) -> list[Entry]:
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"""Load and validate `<family>.json`."""
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raw = json.loads((data_dir / f"{family}.json").read_text(encoding="utf-8"))
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return [parse_entry(family, item) for item in raw]
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def load_all(data_dir: Path = DATA_DIR) -> list[Entry]:
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"""Load every family; reject duplicate identities."""
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entries = [e for fam in FAMILIES for e in load_family(fam, data_dir)]
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seen: set[str] = set()
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for entry in entries:
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if entry.uid in seen:
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msg = f"duplicate entry {entry.uid}"
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raise ValueError(msg)
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seen.add(entry.uid)
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return entries
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