daniel156161
f14d780f29
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- Stream compact live replay updates across local and clustered dashboards. - Render responsive snake bodies as SVG paths with aligned custom icons. - Add cache-busted assets, replay fallback routes, and live-follow playback. - Support PostgreSQL benchmark sampling and idempotent SQLite migration. - Add dry-run cleanup for old low-quality PostgreSQL replay payloads. - Reward safe perimeter lanes and bump Prism to version 1.5.0. - Add backend, migration, dashboard, and perimeter regression coverage.
112 lines
3.5 KiB
Python
112 lines
3.5 KiB
Python
"""Load sampled gameplay positions from SQLite or PostgreSQL."""
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from __future__ import annotations
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import asyncio
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import json
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from urllib.parse import urlparse
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def is_postgresql_source(source: str) -> bool:
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return urlparse(source).scheme.lower() in {"postgres", "postgresql"}
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def _decode_json(value, default):
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if value is None:
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return default
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if isinstance(value, str):
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return json.loads(value)
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return value
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def _build_state(row, snake_rows) -> tuple[dict, dict] | None:
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board = _decode_json(row[1], {})
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you = _decode_json(row[2], {})
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if not board.get("snakes"):
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snakes = []
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for snake_row in snake_rows:
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snake_id = snake_row[0]
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snake_name = snake_row[1] or (row[6] if snake_id == row[5] else snake_id)
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snakes.append({
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"id": snake_id,
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"name": snake_name,
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"health": snake_row[2],
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"length": snake_row[3],
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"head": {"x": snake_row[4], "y": snake_row[5]},
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"body": _decode_json(snake_row[6], []),
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"customizations": _decode_json(snake_row[7], {}),
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})
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board = {
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"width": row[7],
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"height": row[8],
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"food": _decode_json(row[3], []),
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"hazards": _decode_json(row[4], []),
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"snakes": snakes,
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}
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if not you:
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you = next(
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(snake for snake in board.get("snakes", []) if snake.get("id") == row[5]),
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{},
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)
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if not you or not board.get("snakes"):
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return None
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return board, {
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"you": you,
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"game_id": row[9],
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"source": row[10] or "custom",
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"map": row[11] or "standard",
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"ruleset": {
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"name": row[12] or "standard",
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"version": row[13] or "v1.0.0",
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"settings": {},
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},
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"turn": int(row[14]),
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}
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async def _load_postgresql_states(dsn: str, samples: int, stride: int) -> list[tuple[dict, dict]]:
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try:
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import asyncpg
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except ImportError as exc:
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raise RuntimeError("asyncpg is required for PostgreSQL benchmark sources") from exc
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connection = await asyncpg.connect(dsn=dsn)
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try:
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max_id = int(await connection.fetchval("SELECT max(id) FROM turns") or 0)
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if max_id == 0:
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return []
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query = """
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SELECT t.id, t.board_state, t.you, t.food, t.hazards,
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g.your_snake_id, g.your_snake_name, g.width, g.height,
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g.game_id, g.source, g.map_name,
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g.ruleset_name, g.ruleset_version, t.turn
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FROM turns AS t
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JOIN games AS g ON g.game_id = t.game_id
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WHERE t.id >= $1
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ORDER BY t.id
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LIMIT 1
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"""
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snake_query = """
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SELECT st.snake_id, COALESCE(gs.snake_name, st.snake_name),
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st.health, st.length, st.head_x, st.head_y, st.body,
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COALESCE(gs.customizations, '{}'::jsonb)
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FROM snake_turns AS st
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LEFT JOIN game_snakes AS gs
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ON gs.game_id = st.game_id AND gs.snake_id = st.snake_id
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WHERE st.game_id = $1 AND st.turn = $2
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ORDER BY st.id
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"""
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states = []
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next_id = max(1, max_id - (samples - 1) * stride)
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while len(states) < samples and next_id <= max_id:
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row = await connection.fetchrow(query, next_id)
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if row is None:
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break
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snake_rows = await connection.fetch(snake_query, row[9], row[14])
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state = _build_state(row, snake_rows)
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if state is not None:
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states.append(state)
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next_id = int(row[0]) + stride
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return states
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finally:
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await connection.close()
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def load_postgresql_states(dsn: str, samples: int, stride: int) -> list[tuple[dict, dict]]:
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return asyncio.run(_load_postgresql_states(dsn, samples, stride))
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