WebsiteBench / tasks /imdb /environment /reference /clone /backend /site_backend_integration.py
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"""Generated, site-bound backend integration seam."""
from __future__ import annotations
import importlib
import json
import os
import secrets
import sqlite3
from pathlib import Path
from typing import Any, Callable
from websitebench.local_clone_auth import (
MAIL_LOCAL_ONLY,
MAIL_SMTP_PENDING,
LocalAuthStore,
)
from websitebench.site_backend import SiteBackend, load_runtime
DEFAULT_RUNTIME_PATH = (
Path(__file__).resolve().parents[2] / "backend" / "runtime.json"
)
DEFAULT_DEPLOYMENT_PROFILE = "offline-harbor"
_AUTH_MAIL_WORKER_TOKEN = secrets.token_urlsafe(32)
def auth_mail_worker_token() -> str:
"""Return process-local mail-worker authority without persisting it."""
return _AUTH_MAIL_WORKER_TOKEN
def _declared_hook(
declaration: str | None,
) -> Callable[[sqlite3.Connection], None] | None:
if declaration is None:
return None
module_name, function_name = declaration.split(":", 1)
module = importlib.import_module(module_name)
hook: Any = getattr(module, function_name, None)
if not callable(hook):
raise RuntimeError(f"declared backend hook is not callable: {declaration}")
actual = f"{hook.__module__}:{hook.__name__}"
if actual != declaration:
raise RuntimeError(
f"declared backend hook resolved as {actual!r}, expected {declaration!r}"
)
return hook
def resolve_runtime_path() -> Path:
return Path(
os.environ.get(
"WEBSITEBENCH_SITE_BACKEND_RUNTIME",
str(DEFAULT_RUNTIME_PATH),
)
).absolute()
def open_site_services(
*,
database_path: Path | None = None,
auth_now: Callable[[], int] | None = None,
mail_worker_token: str | None = None,
) -> tuple[SiteBackend, LocalAuthStore]:
"""Open one bound database; never omit the site id for permanent auth."""
runtime_path = resolve_runtime_path()
runtime = load_runtime(runtime_path)
profile_name = os.environ.get(
"WEBSITEBENCH_BACKEND_PROFILE", DEFAULT_DEPLOYMENT_PROFILE
).strip() or DEFAULT_DEPLOYMENT_PROFILE
profile = runtime.deployment["profiles"].get(profile_name)
if profile is None:
raise RuntimeError("IMDb backend profile is not declared")
if profile["payment_adapter"] != "local-sandbox":
raise RuntimeError("IMDb has no enabled payment capability")
benchmark_mailbox = bool(
os.environ.get("WEBSITEBENCH_MAILBOX_BOOTSTRAP_URL", "").strip()
)
mail_mode = (
MAIL_SMTP_PENDING
if benchmark_mailbox or profile["mail_adapter"] != "local-outbox"
else MAIL_LOCAL_ONLY
)
selected_mail_worker_token = (
(mail_worker_token or _AUTH_MAIL_WORKER_TOKEN)
if mail_mode == MAIL_SMTP_PENDING
else None
)
migration_hook = _declared_hook(runtime.migration_hook)
seed_hook = _declared_hook(runtime.seed_hook)
deployed_database = os.environ.get(
"WEBSITEBENCH_SITE_BACKEND_DATABASE",
)
selected_database = (
Path(deployed_database).resolve()
if deployed_database is not None
else database_path.resolve()
if database_path is not None
else None
)
if selected_database is None:
backend = SiteBackend.open(
runtime_path,
migration_hook=migration_hook,
seed_hook=seed_hook,
)
else:
if selected_database.name != runtime.database_filename:
raise RuntimeError(
"deployed database filename does not match runtime contract"
)
backend = SiteBackend.open(
json.loads(runtime_path.read_text(encoding="utf-8")),
data_root=selected_database.parent,
migration_hook=migration_hook,
seed_hook=seed_hook,
)
if backend.lifecycle.database_path != selected_database:
raise RuntimeError(
"deployed database path does not match backend preflight"
)
backend.lifecycle.initialize()
# The runtime records hook declarations once, while the immutable IMDb
# catalog grows across clone releases. Re-run the declared idempotent
# migration/reconciliation hook through this generated seam so an already
# bound persistent database converges without replacing its user state.
if migration_hook is not None:
with sqlite3.connect(backend.lifecycle.database_path, timeout=30) as connection:
connection.row_factory = sqlite3.Row
connection.execute("PRAGMA foreign_keys=ON")
connection.execute("PRAGMA busy_timeout=30000")
migration_hook(connection)
auth_options: dict[str, Any] = {
"site_id": backend.config.site_id,
"mail_mode": mail_mode,
"mail_worker_token": selected_mail_worker_token,
}
if auth_now is not None:
auth_options["now"] = auth_now
auth = LocalAuthStore(
backend.lifecycle.database_path,
**auth_options,
)
auth.ensure_schema()
backend.deployment_profile_name = profile_name
backend.deployment_profile = dict(profile)
return backend, auth