File size: 4,063 Bytes
672ecc3 | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 | """Real Chromium executes the unmodified official task HTML; only timeout is overridden."""
import functools
import http.server
import os
import threading
import time
from common import ROOT, correctness
if (ROOT/'browser').exists(): os.environ['PLAYWRIGHT_BROWSERS_PATH'] = str(ROOT/'browser')
if (ROOT/'browser_lib').exists(): os.environ['LD_LIBRARY_PATH'] = str(ROOT/'browser_lib/usr/lib/x86_64-linux-gnu')+':'+os.environ.get('LD_LIBRARY_PATH','')
from playwright.sync_api import sync_playwright
class QuietHandler(http.server.SimpleHTTPRequestHandler):
def log_message(self, *args):
pass
class GUIEnv:
def __init__(self, max_steps=8):
directory = ROOT/'vendor/miniwob-plusplus/miniwob/html'
self.server = http.server.ThreadingHTTPServer(('127.0.0.1',0), functools.partial(QuietHandler,directory=str(directory)))
self.thread=threading.Thread(target=self.server.serve_forever,daemon=True)
self.thread.start()
self.pw=sync_playwright().start()
self.browser=self.pw.chromium.launch(headless=True,executable_path=os.environ.get('RSI_CHROMIUM_PATH'),args=['--no-sandbox','--disable-dev-shm-usage'])
self.page=self.browser.new_page(viewport={'width':500,'height':400})
self.page.goto(f'http://127.0.0.1:{self.server.server_port}/miniwob/click-checkboxes.html',wait_until='load')
self.max_steps=max_steps
def reset(self, seed):
self.steps=0
self.submitted=False
self.started=time.monotonic()
self.page.evaluate('''seed=>{Math.seedrandom(String(seed));core.EPISODE_MAX_TIME=120000;core.startEpisodeReal();}''',seed)
self.page.wait_for_function("()=>!WOB_DONE_GLOBAL && document.querySelectorAll('#boxes label').length>0")
return self.observe()
def observe(self):
obs=self.page.evaluate('''()=>({instruction:document.querySelector('#query').innerText,
elements:Array.from(document.querySelectorAll('#boxes label')).map((e,i)=>({slot:i,ref:e.querySelector('input').id,label:e.innerText.trim(),checked:e.querySelector('input').checked})),
done:Boolean(WOB_DONE_GLOBAL),raw_reward:Number(WOB_RAW_REWARD_GLOBAL),reward_reason:WOB_REWARD_REASON})''')
obs.update(remaining_actions=max(0,self.max_steps-self.steps),submitted=self.submitted)
if self.steps>=self.max_steps or time.monotonic()-self.started>=120:
obs['done']=True
obs['budget_exhausted']=not self.submitted
return obs
def step(self, action):
before=self.observe()
if before['done']:
raise RuntimeError('Cannot act after termination')
started=time.monotonic()
if action['kind']=='click':
slot=action['slot']
if not isinstance(slot,int) or not 0<=slot<len(before['elements']):raise ValueError('Invalid slot')
self.page.locator('#'+before['elements'][slot]['ref']).click(force=True)
elif action['kind']=='submit':
self.submitted=True
self.page.locator('#subbtn').click(force=True)
else:raise ValueError('Invalid action')
self.steps+=1
return self.observe(),time.monotonic()-started
def replay(self,seed,actions,expected):
obs=self.reset(seed)
for action in actions:
obs,_=self.step(action)
# Wall time and reward are deliberately excluded; visible state must match exactly.
if any(obs[k]!=expected[k] for k in ['instruction','elements','done','submitted','remaining_actions']):
raise RuntimeError('Browser replay failed exact visible-state check')
return obs
def screenshot(self,path):
self.page.screenshot(path=str(path))
def close(self):
self.browser.close()
self.pw.stop()
self.server.shutdown()
self.server.server_close()
def rule_action(obs):
from common import goal_bits
for e,g in zip(obs['elements'],goal_bits(obs)):
if e['checked']!=g:return {'kind':'click','slot':e['slot']}
return {'kind':'submit'}
|