feat: add Prism snake and gameplay database lifecycle
Build and Push Docker Container / build-and-push (push) Successful in 8m3s

- Add bitboard-accelerated Prism and versioned Supreme snake implementations.
- Add database-backed move benchmarks and focused strategy tests.
- Normalize gameplay storage while preserving replay compatibility.
- Add deterministic game quality scoring and replay retention tiers.
- Add backup-first SQLite cleanup, verification, and replacement tooling.
- Add safe compact-plus-delta database merging with conflict detection.
- Extend SQLite and PostgreSQL schemas for replay and quality metadata.
- Add PostgreSQL development service and pytest import configuration.
- Update gameplay documentation and the quart_common submodule revision.
This commit is contained in:
2026-08-01 16:21:02 +02:00
parent 9a7f4de586
commit c704fbc742
21 changed files with 3156 additions and 88 deletions
+271
View File
@@ -0,0 +1,271 @@
#!/usr/bin/env python3
"""Safely merge a cleaned gameplay database with a temporary delta database.
The base and delta are opened read-only. A new destination is created, numeric
row IDs are regenerated, delta games are quality-rated, and all result rows are
kept even when their replay is excluded. The base can be replaced only after
verification and a timestamped backup.
"""
from __future__ import annotations
import argparse
from collections import Counter
from datetime import datetime, timezone
import json
from pathlib import Path
import sqlite3
import sys
from time import perf_counter
sys.path.insert(0, str(Path(__file__).resolve().parents[1]))
from scripts.migrate_gameplay_database import (
analyze_quality, column_or_null, create_destination, object_columns,
open_source, retained_game_ids,
)
from server.database.game_quality import quality_meets_minimum
GAME_COLUMNS = (
"game_id", "started_at", "ended_at", "width", "height", "source",
"map_name", "ruleset_name", "ruleset_version", "your_snake_id",
"your_snake_name", "your_snake_type", "your_snake_version", "game_type",
"winner_name", "winner_you", "final_turn", "status", "has_replay",
"quality_status", "quality_score", "quality_tier", "quality_reasons_json",
)
GAME_DEFAULTS = {
"winner_you": "0 AS winner_you", "final_turn": "0 AS final_turn",
"status": "'running' AS status", "has_replay": "1 AS has_replay",
"quality_status": "'retained' AS quality_status",
}
CORE_GAME_FIELDS = (
"game_id", "width", "height", "source", "map_name", "ruleset_name",
"ruleset_version", "your_snake_id", "your_snake_name", "your_snake_type",
"your_snake_version", "game_type", "winner_name", "winner_you",
"final_turn", "status",
)
def select_expression(columns:set[str], name:str) -> str:
if name in columns:
return name
return GAME_DEFAULTS.get(name, f"NULL AS {name}")
def read_games(connection:sqlite3.Connection) -> dict[str, sqlite3.Row]:
columns = object_columns(connection, "games")
selected = ", ".join(select_expression(columns, name) for name in GAME_COLUMNS)
return {
row["game_id"]: row
for row in connection.execute(f"SELECT {selected} FROM games")
}
def duplicate_ids(base_games:dict[str, sqlite3.Row], delta_games:dict[str, sqlite3.Row]) -> set[str]:
duplicates = set(base_games) & set(delta_games)
conflicts = []
for game_id in duplicates:
base_signature = tuple(base_games[game_id][name] for name in CORE_GAME_FIELDS)
delta_signature = tuple(delta_games[game_id][name] for name in CORE_GAME_FIELDS)
if base_signature != delta_signature:
conflicts.append(game_id)
if conflicts:
examples = ", ".join(sorted(conflicts)[:5])
raise RuntimeError(
f"Conflicting duplicate game_id values ({len(conflicts)}): {examples}. "
"Nothing was merged."
)
return duplicates
def insert_games(
destination:sqlite3.Connection,
rows:dict[str, sqlite3.Row],
excluded:set[str],
quality:dict[str, object]|None=None,
minimum_quality:str="medium",
) -> tuple[int, set[str], Counter]:
placeholders = ",".join("?" for _ in GAME_COLUMNS)
sql = f"INSERT INTO games ({','.join(GAME_COLUMNS)}) VALUES ({placeholders})"
values = []
replay_ids:set[str] = set()
tiers:Counter = Counter()
for game_id, row in rows.items():
if game_id in excluded:
continue
output = [row[name] for name in GAME_COLUMNS]
if quality is not None:
result = quality[game_id]
keep_replay = quality_meets_minimum(result.tier, minimum_quality)
replacements = {
"has_replay": int(keep_replay),
"quality_status": "retained" if keep_replay else "low_quality",
"quality_score": result.score,
"quality_tier": result.tier,
"quality_reasons_json": json.dumps(result.reasons, separators=(",", ":")),
}
output = [replacements.get(name, row[name]) for name in GAME_COLUMNS]
tiers[result.tier] += 1
if keep_replay:
replay_ids.add(game_id)
elif bool(row["has_replay"]):
replay_ids.add(game_id)
values.append(tuple(output))
destination.executemany(sql, values)
return len(values), replay_ids, tiers
def copy_game_snakes(source:sqlite3.Connection, destination:sqlite3.Connection, allowed:set[str], batch_size:int) -> int:
has_table = source.execute(
"SELECT 1 FROM sqlite_master WHERE type='table' AND name='game_snakes'"
).fetchone()
if has_table:
cursor = source.execute(
"SELECT game_id, snake_id, snake_name, is_you FROM game_snakes ORDER BY game_id, snake_id"
)
else:
cursor = source.execute("""
SELECT game_id, snake_id, MAX(snake_name), MAX(is_you)
FROM snake_turns GROUP BY game_id, snake_id ORDER BY game_id, snake_id
""")
sql = "INSERT INTO game_snakes (game_id,snake_id,snake_name,is_you) VALUES (?,?,?,?)"
count = 0
while rows := cursor.fetchmany(batch_size):
values = [tuple(row) for row in rows if row[0] in allowed]
destination.executemany(sql, values)
count += len(values)
return count
def copy_turns(source:sqlite3.Connection, destination:sqlite3.Connection, allowed:set[str], batch_size:int) -> int:
columns = object_columns(source, "turns")
names = (
"game_id", "turn", "observed_at", "my_move", "my_thinking_json",
"board_state_json", "snakes_json", "you_json", "food_json", "hazards_json",
)
defaults = {
"my_thinking_json": "NULL AS my_thinking_json", "board_state_json": "'{}' AS board_state_json",
"snakes_json": "'[]' AS snakes_json", "you_json": "'{}' AS you_json",
"food_json": "'[]' AS food_json", "hazards_json": "'[]' AS hazards_json",
}
selected = ",".join(name if name in columns else defaults[name] for name in names)
cursor = source.execute(f"SELECT {selected} FROM turns ORDER BY id")
sql = f"INSERT INTO turns ({','.join(names)}) VALUES ({','.join('?' for _ in names)})"
count = 0
while rows := cursor.fetchmany(batch_size):
values = [tuple(row) for row in rows if row[0] in allowed]
destination.executemany(sql, values)
count += len(values)
return count
def copy_snake_turns(source:sqlite3.Connection, destination:sqlite3.Connection, allowed:set[str], batch_size:int) -> int:
columns = object_columns(source, "snake_turns")
names = (
"game_id", "turn", "snake_id", "snake_name", "health", "length",
"head_x", "head_y", "body_json", "is_you", "inferred_move", "latency",
)
selected = ",".join(column_or_null(columns, name) for name in names)
cursor = source.execute(f"SELECT {selected} FROM snake_turns ORDER BY id")
sql = f"INSERT INTO snake_turns ({','.join(names)}) VALUES ({','.join('?' for _ in names)})"
count = 0
while rows := cursor.fetchmany(batch_size):
values = [tuple(row) for row in rows if row[0] in allowed]
destination.executemany(sql, values)
count += len(values)
return count
def copy_replays(source, destination, allowed:set[str], batch_size:int) -> dict[str, int]:
return {
"game_snakes": copy_game_snakes(source, destination, allowed, batch_size),
"turns": copy_turns(source, destination, allowed, batch_size),
"snake_turns": copy_snake_turns(source, destination, allowed, batch_size),
}
def verify(destination:sqlite3.Connection, expected:dict[str, int]) -> None:
for table, count in expected.items():
actual = int(destination.execute(f"SELECT COUNT(*) FROM {table}").fetchone()[0])
if actual != count:
raise RuntimeError(f"{table} count mismatch: expected {count}, got {actual}")
foreign_keys = destination.execute("PRAGMA foreign_key_check").fetchall()
if foreign_keys:
raise RuntimeError(f"Foreign-key verification failed with {len(foreign_keys)} errors")
integrity = destination.execute("PRAGMA integrity_check").fetchone()[0]
if integrity != "ok":
raise RuntimeError(f"Integrity check failed: {integrity}")
def replace_base(base_path:Path, destination_path:Path) -> Path:
timestamp = datetime.now(timezone.utc).strftime("%Y%m%dT%H%M%SZ")
backup = base_path.with_name(f"{base_path.name}.backup-{timestamp}")
base_path.rename(backup)
try:
destination_path.rename(base_path)
except Exception:
backup.rename(base_path)
raise
return backup
def main() -> None:
parser = argparse.ArgumentParser(description=__doc__)
parser.add_argument("--base", required=True, type=Path, help="Cleaned database")
parser.add_argument("--delta", required=True, type=Path, help="Database written during cleanup")
parser.add_argument("--destination", required=True, type=Path)
parser.add_argument("--minimum-quality", choices=("low", "medium", "high"), default="medium")
parser.add_argument("--batch-size", type=int, default=10_000)
parser.add_argument("--busy-timeout-ms", type=int, default=60_000)
parser.add_argument("--replace-base", action="store_true", help="Replace base after verification and keep a timestamped backup")
args = parser.parse_args()
base_path = args.base.expanduser().resolve()
delta_path = args.delta.expanduser().resolve()
destination_path = args.destination.expanduser().resolve()
if len({base_path, delta_path, destination_path}) != 3:
raise SystemExit("Base, delta, and destination must be different paths")
started = perf_counter()
base = open_source(base_path)
delta = open_source(delta_path)
destination = create_destination(destination_path, max(1000, args.busy_timeout_ms))
try:
base_games = read_games(base)
delta_games = read_games(delta)
duplicates = duplicate_ids(base_games, delta_games)
delta_quality = analyze_quality(delta)
base_count, base_replays, _ = insert_games(destination, base_games, set())
delta_count, delta_replays, tiers = insert_games(
destination, delta_games, duplicates, delta_quality, args.minimum_quality,
)
base_rows = copy_replays(base, destination, base_replays, max(1, args.batch_size))
delta_rows = copy_replays(delta, destination, delta_replays - duplicates, max(1, args.batch_size))
destination.commit()
destination.executescript("""
CREATE INDEX IF NOT EXISTS idx_turns_game_turn ON turns(game_id, turn);
CREATE INDEX IF NOT EXISTS idx_games_status ON games(status);
CREATE INDEX IF NOT EXISTS idx_snake_turns_game_turn ON snake_turns(game_id, turn);
""")
destination.execute("PRAGMA foreign_keys = ON")
expected = {
"games": base_count + delta_count,
"game_snakes": base_rows["game_snakes"] + delta_rows["game_snakes"],
"turns": base_rows["turns"] + delta_rows["turns"],
"snake_turns": base_rows["snake_turns"] + delta_rows["snake_turns"],
}
verify(destination, expected)
except Exception:
destination.close()
base.close()
delta.close()
for suffix in ("", "-wal", "-shm"):
Path(f"{destination_path}{suffix}").unlink(missing_ok=True)
raise
destination.close()
base.close()
delta.close()
print(f"merged: base games={base_count:,}, delta games={delta_count:,}, identical duplicates skipped={len(duplicates):,}")
print(f"delta quality: {dict(tiers)}")
print(f"verified: {expected}; elapsed: {perf_counter() - started:.1f}s")
if args.replace_base:
backup = replace_base(base_path, destination_path)
print(f"base replaced; backup kept at: {backup}")
else:
print(f"merged database created at: {destination_path}")
if __name__ == "__main__":
main()