def resume(self):
if self.transport.pid is not None:
p = Process(self.transport.pid)
p.resume()
while p.status() != STATUS_RUNNING:
print("resume {}: not running".format(self._node_dir))
else:
raise RuntimeError("Cannot resume Tahoe: no PID available")
class SoullessEnv(gym.Env):
metadata = {'render.modes': ['human']}
user32 = WinDLL("user32")
DEATHCOUNT_PATTERN = re.compile("(\d+)")
KEYS = (KEYS.LEFT, KEYS.RIGHT, KEYS.DELETE)
TRANSITION_TO_ACTION = {"10": "UP", "01": "DOWN", "00": False, "11": False}
def __init__(self):
self.AHK = AHK()
self.application = self.start_game()
self.process_id = self.application.process
self.process = Process(pid=self.process_id)
self.dialog = self.get_window_dialog()
self.handle = self.dialog.handle
self.window = Window.from_pid(self.AHK, self.process_id)
left, top, right, bot = GetClientRect(self.handle)
w = right - left
h = bot - top
self.hwndDC = GetWindowDC(self.handle)
self.mfcDC = CreateDCFromHandle(self.hwndDC)
self.saveDC = self.mfcDC.CreateCompatibleDC()
self.saveDC_handle = self.saveDC.GetSafeHdc()
self.saveBitMap = CreateBitmap()
self.saveBitMap.CreateCompatibleBitmap(self.mfcDC, w, h)
self.bmpinfo = self.saveBitMap.GetInfo()
self.saveDC.SelectObject(self.saveBitMap)
self.navigate_main_menu()
self.enter_avoidance()
self.process.suspend()
self.PREVIOUS_ACTION = 0
self.deathcount = self.get_game_deathcount()
self.action_space = spaces.Discrete(6)
self.elapsed_time = 0.0
self.observation_space = spaces.Dict({"window":
spaces.Box(low=0, high=255, shape=self.get_observation_space_size(),
dtype=np.uint8),
"time": spaces.Box(low=0, high=900, shape=(1,))})
def start_game(self):
"""starts the Soulless process"""
app = Application().start(
"D:/Users/david/PycharmProjects/reinforcement-learning/gym-soulless/Soulless 1.3HM/Soulless Hard Mode.exe")
return app
def get_window_dialog(self):
""":returns the main dialog of the application, which is the entry-point for interacting with it"""
return self._top_window()
@try_loop(error_type=RuntimeError)
def _top_window(self):
return self.application.top_window()
def navigate_main_menu(self):
"""from the title screen it navigates the menus until it enters the game"""
self.window.send("{Shift}", blocking=False)
sleep(3)
self.window.send("{Shift}", blocking=False)
def enter_avoidance(self):
self.window.send("{Left down}", blocking=False)
sleep(0.3)
self.window.send("{Left up}", blocking=False)
sleep(2)
def capture_window(self):
""":returns a np array image of the dialog cropped to exclude the margins for resizing the window
https://stackoverflow.com/questions/19695214/python-screenshot-of-inactive-window-printwindow-win32gui"""
SoullessEnv.user32.PrintWindow(HWND(self.handle), self.saveDC_handle, 3)
bmpstr = self.saveBitMap.GetBitmapBits(True)
im = Image.frombuffer(
'RGB',
(self.bmpinfo['bmWidth'], self.bmpinfo['bmHeight']),
bmpstr, 'raw', 'BGRX', 0, 1)
return np.array(im, copy=False)
def step(self, action: int):
"""expects the game to be in a suspended state"""
is_done, obs, reward = self.step_and_track_elapsed_time(action)
obs = {"window": obs, "time": np.array([self.elapsed_time], dtype=np.float)}
return obs, reward, is_done, {}
def step_and_track_elapsed_time(self, action):
self.process.resume()
step_start_time = perf_counter()
is_done, obs = self._step(action)
self.process.suspend()
step_end_time = perf_counter()
elapsed_time = step_end_time - step_start_time
self.elapsed_time += elapsed_time
return is_done, obs, elapsed_time
def _step(self, action):
self.perform_action(action)
obs = self.capture_window()
is_done = self.is_done()
if is_done:
self.update_env_deathcount()
return is_done, obs
def perform_action(self, action):
keystrokes = self.get_action_transition(self.PREVIOUS_ACTION, action)
self.send_input_to_game(keystrokes)
self.PREVIOUS_ACTION = action
def is_done(self):
return self.get_game_deathcount() > self.deathcount
def update_env_deathcount(self):
self.deathcount = self.get_game_deathcount()
def get_action_transition(self, old_action: int, new_action: int):
""":param old_action is the action performed on the previous step, or no-op if this is the first step
:param new_action is the action performed on this step
:returns the input to the send function needed to transition from the old action to the new action"""
old_action, new_action = bin(old_action)[2:].zfill(3), bin(new_action)[2:].zfill(3)
actions = map(SoullessEnv.TRANSITION_TO_ACTION.get, map("".join, zip(old_action, new_action)))
return "".join(getattr(key, action) for key, action in zip(SoullessEnv.KEYS, actions) if action)
def send_input_to_game(self, keystrokes: str):
""":param keystrokes is the input to the send_keys function"""
self.window.send(keystrokes, blocking=False)
def reset(self):
self.process.resume()
self.window.send("r", delay=150)
self.process.suspend()
self.elapsed_time = 0.0
return {"window": self.capture_window(), "time": np.array([self.elapsed_time], dtype=np.float)}
def render(self, mode='human'):
pass
def close(self):
DeleteObject(self.saveBitMap.GetHandle())
self.saveDC.DeleteDC()
self.mfcDC.DeleteDC()
ReleaseDC(self.handle, self.hwndDC)
self.application.kill()
def get_observation_space_size(self):
return self.capture_window().shape
def get_game_deathcount(self):
""":returns the number of times the kid has died"""
title = self.window.title.decode("utf8")
return int(re.search(SoullessEnv.DEATHCOUNT_PATTERN, title)[0])
class Engine(object):
def __init__(self, spider):
self.status = EngineStatus.stop
self.spider_name = spider.name
self.spider_logger = spider.logger
self.spider_callback = spider.callback
self.settings = spider.settings
def set_process(self):
pid = os.getpid()
self._pid = pid
self._process = Process(pid)
def set_running_type(self, distributed):
"""设置运行类型,singleton和distributed有不同的处理逻辑"""
scheduler_cls = load_object(self.settings.get('SCHEDULER'))
self._scheduler = scheulder_cls.from_spider(self)
if distributed:
self._master_rpc = None
else:
dupefiler = load_object(self.settings.get('DUPEFILTER'))
self._dupefilter = dupefilter.from_spider(self)
self._scheduler = SchedulerFactory(self._scheduler,
self._dupefilter)
self._master_rpc = self._scheudler
def set_downloader(self):
"""设置网络访问组件,根据不同的协议区分
不同协议的区分在downloader中区分,就像一个真正的浏览器一样"""
downloader_cls = load_object(self.settings, get('DOWNLOADER_AGENT'))
self.downloader = downloader_cls.from_spider(spider)
def set_pipeline(self):
"""设置数据管道,数据管道为多个时数据按顺序进入多个管道中"""
pass
def set_statscol(self):
"""设置统计收集器"""
statscol_cls = load_object(self.settings, get('STATS_COLLECTION_LIST'))
self._statscol = statscol_cls.from_spider(self)
def set_middleware(self):
"""设置中间件管理器"""
mw_manager_cls = load_object(self.settings, get('MIDDLEWARE_MANAGER'))
self._mw_manager = mw_manager_cls.from_spider(self)
def restart(self):
pass
def start(self):
assert self.status == EngineStatus.stop, 'Spider engine already running'
self.status = EngineStatus.start
self.start_time = time.time()
self.push_first_urls_to_scheduler()
self.turbine()
def stop(self):
assert self.status != EngineStatus.stop, 'Spider engine already stop'
self.status = EngineStatus.stop
def pause(self):
assert self.status != EngineStatus.stop, 'Spider engine already stop'
self._process.suspend()
self.status = EngineStatus.pause
def resume(self):
assert self.status == EngineStatus.pause, 'Spider engine arent paused'
self._process.resume()
self.status = EngineStatus.running
def turbine(self):
"""引擎为running状态,循环从调度器中取出待爬取得request,并将request,protocol,response送入callback中"""
while self.status == EngineStatus.running:
request, protocol = self.pull_request_from_scheduler()
response = self.send_request(request)
response and request.callback(protocol, response)
def push_first_urls_to_scheduler(self):
"""将first_urls送入调度器中统一处理"""
first_urls = self.settings['FIRST_URLS']
fisrt_requests = urls_to_requests(frist_urls,
callback=self.spider_callback)
self.push_requests_to_scheduler(first_requests)
def pull_request_from_scheduler(self):
try:
protocol_string = self._scheduler.pull()
except SchedulerEmpty:
self.spider_logger.info('Scheduler already emtpy,stop engine soon')
self.stop()
protocol = protocol_string_to_object(protocol_string)
request = protocol.request
return (request, protocol)
def push_request_to_scheduler(self, req):
if isinstance(reqs, Request):
self._scheduler.push(req)
def push_requests_to_scheduler(self, reqs):
if isinstance(reqs, (list, GeneratorType)):
for req in reqs:
self.push_request_to_scheudler(req)
def push_data_to_pipeline(self):
pass
def request_backout(self, priority=None):
pass
def send_request(self, req):
"""发送请求"""
return self._downloader.send(req)
