code/vc_install.py

#!/usr/bin/env python3
"""Registers the Viperclaw bench as the tau2 domain "vc_airline" (same policy and tools as airline, own database and tasks).

usage: vc_install.py <tau2-bench repo dir> <bench dir with db.json, tasks.json, split_tasks.json>
Safe to run more than once.
"""
import os
import shutil
import sys

repo, bench = sys.argv[1], sys.argv[2]
data_dir = os.path.join(repo, "data", "tau2", "domains", "vc_airline")
os.makedirs(data_dir, exist_ok=True)
for name in ("db.json", "tasks.json", "split_tasks.json"):
    shutil.copyfile(os.path.join(bench, name), os.path.join(data_dir, name))

env_py = os.path.join(repo, "src", "tau2", "domains", "airline", "vc_environment.py")
open(env_py, "w").write('''"""Viperclaw bench: the airline policy and tools on a re-skinned database with generated tasks."""
from typing import Optional

from tau2.data_model.tasks import Task
from tau2.domains.airline.data_model import FlightDB
from tau2.domains.airline.tools import AirlineTools
from tau2.domains.airline.utils import AIRLINE_POLICY_PATH
from tau2.environment.environment import Environment
from tau2.utils import load_file
from tau2.utils.utils import DATA_DIR

VC_DIR = DATA_DIR / "tau2" / "domains" / "vc_airline"


def get_environment(db: Optional[FlightDB] = None, solo_mode: bool = False) -> Environment:
    if solo_mode:
        raise ValueError("Airline domain does not support solo mode")
    if db is None:
        db = FlightDB.load(VC_DIR / "db.json")
    with open(AIRLINE_POLICY_PATH, "r") as fp:
        policy = fp.read()
    # the domain name must be this one: tau2 grades each conversation against the environment registered under it
    return Environment(domain_name="vc_airline", policy=policy, tools=AirlineTools(db))


def get_tasks_split() -> dict[str, list[str]]:
    return load_file(VC_DIR / "split_tasks.json")


def get_tasks(task_split_name: Optional[str] = "base") -> list[Task]:
    tasks = [Task.model_validate(task) for task in load_file(VC_DIR / "tasks.json")]
    if task_split_name is None:
        return tasks
    wanted = set(get_tasks_split()[task_split_name])
    return [task for task in tasks if task.id in wanted]
''')

reg_py = os.path.join(repo, "src", "tau2", "registry.py")
src = open(reg_py).read()
if "vc_airline" not in src:
    anchor = '    registry.register_domain(retail_domain_get_environment, "retail")'
    assert src.count(anchor) == 1, "registry.py layout changed; cannot find the retail registration line"
    block = ('    from tau2.domains.airline import vc_environment as _vc\n'
             '    registry.register_domain(_vc.get_environment, "vc_airline")\n'
             '    registry.register_tasks(_vc.get_tasks, "vc_airline", get_task_splits=_vc.get_tasks_split)\n\n')
    open(reg_py, "w").write(src.replace(anchor, block + anchor))
print("vc_airline domain installed in", repo)