Exemple #1
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    def __init__(self, **kwargs):
        super().__init__(**kwargs)
        self._eventloop = IOLoop.current()
        self._key = generate_id(size=32).encode('utf-8')
        self._execution_lock = Lock(loop=self._eventloop.asyncio_loop)
        self._inner_state_lock = Lock(loop=self._eventloop.asyncio_loop)
        self._dep_tracker = DependencyTracker()
        self._exec_unit_container = ExecUnitContainer()
        self.formatter = DisplayFormatter()
        self.manager_ns = BuiltInManager()
        self.manager_ns.global_ns['__builtins__'] = builtin_mods.__dict__
        self.manager_ns.global_ns['show_graph'] = self._show_graph
        self._execution_ctx = Executor(self._exec_unit_container,
                                       manager_ns=self.manager_ns)
        self.KernelTB = ultratb.AutoFormattedTB(mode='Plain',
                                                color_scheme='LightBG',
                                                tb_offset=1,
                                                debugger_cls=None)
        self._execution_queue = Queue(loop=self._eventloop.asyncio_loop)
        builtin_mods.show_graph = self._show_graph
        # mapping from variable name (target id) to (request id, generator
        # object)
        self._registered_generators = dict()

        self._eventloop.spawn_callback(self._execution_loop)
Exemple #2
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    def __init__(self, items: Iterable[Item], *, retry_cnt: int = 2):
        self._items: Iterator[Item] = peekable(items)
        self._rescheduled_items: Set[Handle[Item]] = set()
        self._in_progress: Set[Handle[Item]] = set()

        # Synchronization primitives
        self._lock = Lock()
        self._new_items = Condition(lock=self._lock)
        self._eof = Condition(lock=self._lock)
Exemple #3
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 def __init__(self, supervisor: Supervisor, options: BaseClient,
              misc: None) -> None:
     self._lock = Lock()
     self._bin: Optional[PurePath] = None
     self._proc: Optional[Process] = None
     self._cwd: Optional[PurePath] = None
     super().__init__(supervisor, options=options, misc=misc)
     go(supervisor.nvim, aw=self._install())
     go(supervisor.nvim, aw=self._poll())
Exemple #4
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 async def add_browser(self,
                       pages: int = 1,
                       server: str = None,
                       launch_options: Dict[str, Any] = {}) -> Browser:
     """Launch a new browser."""
     if 'proxy' in launch_options:
         self.set_launch_args_proxy(launch_options)
     # create screenshot directory if user wants screenshots.
     if launch_options.get('screenshot', False):
         self._set_screenshot_dir()
     # if server address is provided, launch browser on server.
     if server:
         browser = await self._launch_remote_browser(server, launch_options)
     else:
         # start a local browser.
         browser = await self._launch_local_browser(launch_options)
     # save browser data.
     self.browsers[browser] = {
         'page_count': pages,
         'launch_options': launch_options,
         'server': server,
         'consec_errors': 0,
         'lock': Lock(),
         'id': str(uuid4())
     }
     # add callback that will be called in case of disconnection with Chrome Dev Tools.
     browser._connection.setClosedCallback(self.__on_connection_close)
     # add pages (tabs) to the new browser.
     # a new browser has 1 page by default, so add 1 less than desired page count.
     for _ in range(pages - 1):
         await browser.newPage()
     for page in await browser.pages():
         await self._init_page(page)
 async def _new_worker(self) -> BrowserWorker:
     """Construct a new worker."""
     worker = BrowserWorker(
         disable_images=self.disable_images,
         garbage_collect_at=self.garbage_collect_at,
         launch_options=self.launch_options,
         max_consecutive_errors=self.max_consecutive_errors)
     # add lock attribute.
     worker.__lock = Lock()
     # call member functions for any provided default worker configuration.
     if self.cookies:
         await worker.set_cookie(*self.cookies)
     if self.default_nav_timeout:
         worker.set_default_nav_timeout(self.default_nav_timeout)
     if self.ad_block:
         await worker.set_ad_block()
     if self.blocked_urls:
         await worker.set_blocked_urls(self.blocked_urls)
     if self.evaluate_on_new_doc:
         await worker.evaluate_on_new_doc(self.evaluate_on_new_doc)
     if self.redirect_blocking_enabled:
         await worker.set_redirect_blocking_enabled()
     if self.request_abort_types:
         await worker.set_request_abort_types(self.request_abort_types)
     return worker
Exemple #6
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    def __init__(self, hostname: str, port: int) -> None:
        """Sample API Client."""
        self._hostname = hostname
        self._port = port

        # ensure only one connection at a time is established because the
        # inverter's firmware doesn't handle it well at the time of writing
        self._connection_lock = Lock()
Exemple #7
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 def __init__(self, bot: Bot, channel: TextChannel):
     self.bot = bot
     self.channel: TextChannel = channel
     self.players: List[Player] = []
     self.leavers: List[Player] = []
     self.orderings: Dict[Callable, MatchFinder] = {}
     self.temp_messages: List[Message] = []
     self.show_lobby_lock: Lock = Lock()
Exemple #8
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 def __init__(self,
              max_traces: int = DEFAULT_MAX_TRACES,
              max_spans: int = DEFAULT_MAX_SPANS) -> None:
     self.__lock = Lock()
     self.__max_traces = max_traces
     self.__trace_ids: Deque[str] = deque([])
     self.__traces: Dict[str, Set[str]] = {}
     self.__spans: Dict[str, Span] = {}
     self.__span_ids_by_operation_names: Dict[str, Set[str]] = {}
Exemple #9
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 async def add_browser(self,
                       pages: int = 1,
                       server: str = None,
                       launch_options: Dict[str, Any] = {}) -> Browser:
     """Launch a new browser."""
     browser_data = {
         'page_count': pages,
         'launch_options': launch_options,
         'server': server,
         'consec_errors': 0,
         'lock': Lock(),
         'id': str(uuid4())
     }
     # security_error_frac_proxy_switch is fraction of request history that is security errors.
     # type should be tuple of two elements (max_security_error_count, request_history_buffer_size)
     max_sec_err_frac = launch_options.get(
         'security_error_frac_proxy_switch')
     if max_sec_err_frac:
         browser_data['security_check_history'] = deque(
             maxlen=max_sec_err_frac[1])
     elif 'proxy' in launch_options:
         # start browser using proxy server.
         if 'args' not in launch_options:
             launch_options['args'] = []
         # add proxy server to launch options if it has not already been added.
         if not any('--proxy-server' in arg
                    for arg in launch_options['args']):
             launch_options['args'].append(
                 f'--proxy-server="{launch_options["proxy"]}"')
     # check if screenshot directory needs to be created.
     if launch_options.get('screenshot',
                           False) and self.screenshot_dir is None:
         # create screenshot directory for this run.
         self.screenshot_dir = log_dir.joinpath(
             f"screenshots_{self.start_time.strftime('%Y-%m-%d_%H:%M:%S')}")
         self.screenshot_dir.mkdir()
     # launch browser on server if server address is provided.
     if server:
         logger.info(f"""Launching remote browser on {server}:
                 {pformat(launch_options)}""")
         browser = await self._launch_remote_browser(server, launch_options)
     else:
         # start a local browser.
         logger.info(f"""Launching local browser:
                 {pformat(launch_options)}""")
         browser = await pyppeteer.launcher.launch(launch_options)
     # save browser data.
     self.browsers[browser] = browser_data
     # add callback that will be called in case of disconnection with Chrome Dev Tools.
     browser._connection.setClosedCallback(self.__on_connection_close)
     # add pages (tabs) to the new browser.
     # a new browser has 1 page by default, so add 1 less than desired page count.
     for _ in range(pages - 1):
         await browser.newPage()
     for page in await browser.pages():
         await self._init_page(page)
Exemple #10
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    def __init__(self, items: AsyncIterator[Item]):
        """
        :param items: the items to be iterated over
        """

        self._buffer: "asyncio.Queue[Item]" = asyncio.Queue(maxsize=1)
        self._incoming_finished = False
        self._buffer_task: Optional[
            asyncio.Task] = asyncio.get_event_loop().create_task(
                self._fill_buffer(items))
        """The items scheduled for reassignment to another consumer"""
        self._rescheduled_items: Set[Handle[Item]] = set()
        """The items currently assigned to consumers"""
        self._in_progress: Set[Handle[Item]] = set()

        # Synchronization primitives
        self._lock = Lock()
        self._new_items = Condition(lock=self._lock)
        self._eof = Condition(lock=self._lock)
Exemple #11
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 async def mock_start(self):
     self._conn = await aiomysql.connect(
         host=docker_faf_db_config['host'],
         port=docker_faf_db_config['port'],
         user=docker_faf_db_config['user'],
         password=docker_faf_db_config['password'],
         db=docker_faf_db_config['db'])
     await self._conn.begin()
     # aiomysql has threadsafety 1, but we still want to use a single
     # connection for rolling back everything
     self._lock = Lock()
Exemple #12
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    def __init__(
            self,
            fp: Union[str, BytesIO] = "file.pkl",
            *,
            create_file: bool = True,
            autosave: bool = True,
            autoload: bool = True,
            loop: Union[bool, AbstractEventLoop] = False
    ):

        self._exists = True

        self._create_file = create_file
        self._autosave = autosave
        self._autoload = autoload

        self._cache = dict()

        if loop:
            # Autosave and autoload cannot be used in async mode
            self._autoload = False
            self._autosave = False

            self._lock = Lock()

            # Use provided loop or get event loop
            if isinstance(loop, AbstractEventLoop):
                self._loop = loop
            else:
                self._loop = get_event_loop()

        else:
            # Async mode is off
            self._loop = None
            self._lock = None

        # Test and set file path
        # Exceptions will be raised if user doesn't have permission, file path
        # has a bad extension, or file does not exist and `create_file` is off
        try:
            self._fp = self.filepath(fp)
        except Exception as error:
            raise error

        # Autoload checks file modified time
        # Not compatible with BytesIO
        if isinstance(self._fp, BytesIO):
            self._autoload = False

        # Load initial data from file into cache
        if self._loop:
            self._loop.create_task(self._async_load())
        else:
            self._load()
Exemple #13
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    def __init__(self, **kwargs):
        super().__init__(**kwargs)
        self._eventloop = IOLoop.current()
        self._key = generate_id(size=32).encode('utf-8')
        self._execution_lock = Lock(loop=self._eventloop.asyncio_loop)
        self._inner_state_lock = Lock(loop=self._eventloop.asyncio_loop)
        self._dep_tracker = DependencyTracker()
        self._exec_unit_container = ExecUnitContainer()
        self.formatter = DisplayFormatter()
        self.ns_manager = BuiltInManager()
        self.initialize_builtins()
        self._execution_ctx = Executor(self._exec_unit_container,
                                       ns_manager=self.ns_manager)
        self.KernelTB = ultratb.AutoFormattedTB(mode='Plain',
                                                color_scheme='LightBG',
                                                tb_offset=1,
                                                debugger_cls=None)
        self._execution_queue = Queue(loop=self._eventloop.asyncio_loop)
        self._registered_generators = dict()

        self._eventloop.spawn_callback(self._execution_loop)
 def __init__(self, maxCoroutineAmount: int = DefaultMaxCoroutinesAmount,
              maxCoroutineIdleTime: int = DefaultMaxCoroutineIdleTime,
              mostStop: bool = False, loop: BaseEventLoop = None):
     self._maxCoroutineAmount = maxCoroutineAmount
     self._maxCoroutineIdleTime = maxCoroutineIdleTime
     self._mostStop = mostStop
     self._lock = Lock()
     self._ready = []
     self._loop = loop
     self._stopEventLoopSingal = Event()
     self._stopEvent = None
     self._coroutinesCount = 0
Exemple #15
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    async def __replaceMessage(self,
                               type: str,
                               embed: Embed,
                               is_temp: bool = True):
        if type not in self.locks:
            self.locks[type] = Lock()

        if type not in self.temp_messages:
            self.temp_messages[type] = []

        await self.locks[type].acquire()
        try:
            ops = [self.__delMsgSafe(m) for m in self.temp_messages[type]]
            self.temp_messages[type] = []
            if len(ops) > 0:
                await asyncio.wait(ops)

            msg = await self.channel.send(embed=embed)
            if is_temp:
                self.temp_messages[type].append(msg)
        except BaseException as exception:
            await handle(self.channel, exception)
        finally:
            self.locks[type].release()
Exemple #16
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class MediaPlayer:
    logger: logging.Logger = logging.Logger("racetime-obs")
    enabled: bool = False
    triggers: List[MediaTrigger] = []
    chat_triggers: List[ChatTrigger] = []
    timers: List[Timer] = []
    triggers_lock: Lock = Lock()
    race_update_event: Event()
    play_media_callback = None
    started_at: datetime = None
    ping_chat_messages: bool = False
    chat_media_file: str = None
    last_session_race: str = ""
    monitoring_type: int = 0

    def race_updated(self, race: Race, entrant_name: str):
        # so the sound doesn't play when the user starts obs next time
        if self.last_session_race == race.name:
            return
        self.started_at = race.started_at
        for trigger in self.triggers:
            self.logger.debug(trigger)
            if trigger.check_trigger(race,
                                     race.get_entrant_by_name(entrant_name)):
                self.play_media_callback(trigger.media_file_path,
                                         self.monitoring_type)
                self.logger.debug("trigger fired")

    def chat_updated(self, message: ChatMessage):
        for trigger in self.chat_triggers:
            self.logger.debug(trigger)
            if trigger.check_trigger(message):
                self.play_media_callback(trigger.media_file_path,
                                         self.monitoring_type)

    def add_trigger(self,
                    media_file_path: str,
                    place_trigger: int = None,
                    entrant_count_trigger: int = None):
        async def add(media_file_path: str,
                      place_trigger: int = None,
                      entrant_count_trigger: int = None):
            async with self.triggers_lock:
                self.triggers.append(
                    MediaTrigger(media_file_path,
                                 place_trigger=place_trigger,
                                 entrant_count_trigger=entrant_count_trigger))

        asyncio.ensure_future(
            add(media_file_path, place_trigger, entrant_count_trigger))

    def add_chat_trigger(self,
                         media_file_path: str,
                         highlight: bool = False,
                         is_bot: bool = False,
                         is_system: bool = False,
                         message_plain_text: str = None):
        async def add(media_file_path, highlight, is_bot, is_system,
                      message_plain_text):
            async with self.triggers_lock:
                self.chat_triggers.append(
                    ChatTrigger(media_file_path, highlight, is_bot, is_system,
                                message_plain_text))
            pass

        asyncio.ensure_future(
            add(media_file_path, highlight, is_bot, is_system,
                message_plain_text))

    def add_timer(self, media_file_path: str, race_time: timedelta):
        # try to wake up a little early and get ready
        timer = Timer(self.time_to_start_play(race_time), self.timer_wake_up,
                      media_file_path, race_time)
        self.timers.append(timer)
        timer.start()

    def time_to_start_play(self, race_time: timedelta) -> float:
        time_to_start_play = 10000000000000.0
        return time_to_start_play

    async def timer_wake_up(self, media_file_path: str, race_time: timedelta):
        asyncio.sleep(self.time_to_start_play(race_time))
        self.logger.debug(f"attempting to play {media_file_path} at "
                          f"{timer_to_str(race_time)}")
        asyncio.ensure_future(
            self.play_media_callback(media_file_path, self.monitoring_type))

    def remove_trigger(self, index: int):
        async def remove(index: int):
            async with self.triggers_lock:
                if len(self.triggers) > index:
                    self.triggers.remove(self.triggers[index])

        asyncio.ensure_future(remove(index))
Exemple #17
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 def __init__(self, *args, **kwargs):
     super(BitmexMonitor, self).__init__(*args, **kwargs)
     self._instrument_books = collections.defaultdict(dict)  # TODO
     self._orderbooks = collections.defaultdict(dict)
     self._orderbooks_lock = Lock()
     self._orderbooks_use_snapshots = False
Exemple #18
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 def __init__(self, directory: str, key: str):
     self.directory = directory
     self.key = load_pem_private_key(key.encode(), None, default_backend())
     self.lock = Lock()
     self.auth = jwk_auth(jwk(self.key.public_key()))
     pass
Exemple #19
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class SmartQueue(Generic[Item]):
    def __init__(self, items: AsyncIterator[Item]):
        """
        :param items: the items to be iterated over
        """

        self._buffer: "asyncio.Queue[Item]" = asyncio.Queue(maxsize=1)
        self._incoming_finished = False
        self._buffer_task: Optional[
            asyncio.Task] = asyncio.get_event_loop().create_task(
                self._fill_buffer(items))
        """The items scheduled for reassignment to another consumer"""
        self._rescheduled_items: Set[Handle[Item]] = set()
        """The items currently assigned to consumers"""
        self._in_progress: Set[Handle[Item]] = set()

        # Synchronization primitives
        self._lock = Lock()
        self._new_items = Condition(lock=self._lock)
        self._eof = Condition(lock=self._lock)

    async def _fill_buffer(self, incoming: AsyncIterator[Item]):
        try:
            async for item in incoming:
                await self._buffer.put(item)
                async with self._lock:
                    self._new_items.notify_all()
            self._incoming_finished = True
            async with self._lock:
                self._eof.notify_all()
                self._new_items.notify_all()
        except asyncio.CancelledError:
            pass

    async def close(self):
        if self._buffer_task:
            self._buffer_task.cancel()
            await self._buffer_task
            self._buffer_task = None

    def finished(self):
        return (not self.has_unassigned_items() and not (self._in_progress)
                and self._incoming_finished)

    def has_unassigned_items(self) -> bool:
        """Check if this queue has a new or rescheduled item immediately available."""
        return bool(self._rescheduled_items) or bool(self._buffer.qsize())

    def new_consumer(self) -> "Consumer[Item]":
        return Consumer(self)

    def __find_rescheduled_item(
            self, consumer: "Consumer[Item]") -> Optional[Handle[Item]]:
        return next(
            (handle for handle in self._rescheduled_items
             if consumer not in handle._prev_consumers),
            None,
        )

    async def get(self, consumer: "Consumer[Item]") -> Handle[Item]:
        """Get a handle to the next item to be processed (either a new one or rescheduled)."""
        async with self._lock:
            while not self.finished():

                handle = self.__find_rescheduled_item(consumer)
                if handle:
                    self._rescheduled_items.remove(handle)
                    self._in_progress.add(handle)
                    handle.assign_consumer(consumer)
                    return handle

                if self._buffer.qsize():
                    next_elem = await self._buffer.get()
                    handle = Handle(next_elem, consumer=consumer)
                    self._in_progress.add(handle)
                    return handle

                await self._new_items.wait()
            self._new_items.notify_all()
        raise StopAsyncIteration

    async def mark_done(self, handle: Handle[Item]) -> None:
        """Mark an item, referred to by `handle`, as done."""
        assert handle in self._in_progress, "handle is not in progress"
        async with self._lock:
            self._in_progress.remove(handle)
            self._eof.notify_all()
            self._new_items.notify_all()
        if _logger.isEnabledFor(logging.DEBUG):
            stats = self.stats()
            _logger.debug("status: " +
                          ", ".join(f"{key}: {val}"
                                    for key, val in stats.items()))

    async def reschedule(self, handle: Handle[Item]) -> None:
        """Free the item for reassignment to another consumer."""
        assert handle in self._in_progress, "handle is not in progress"
        async with self._lock:
            self._in_progress.remove(handle)
            self._rescheduled_items.add(handle)
            self._new_items.notify_all()

    async def reschedule_all(self, consumer: "Consumer[Item]"):
        """Make all items currently assigned to the consumer available for reassignment."""
        async with self._lock:
            handles = [
                handle for handle in self._in_progress
                if handle.consumer == consumer
            ]
            for handle in handles:
                self._in_progress.remove(handle)
                self._rescheduled_items.add(handle)
            self._new_items.notify_all()

    def stats(self) -> Dict:
        return {
            "locked": self._lock.locked(),
            "in progress": len(self._in_progress),
            "rescheduled": len(self._rescheduled_items),
            "in buffer": self._buffer.qsize(),
            "incoming finished": self._incoming_finished,
        }

    async def wait_until_done(self) -> None:
        """Wait until all items in the queue are processed."""
        async with self._lock:
            while not self.finished():
                await self._eof.wait()
Exemple #20
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 def __init__(self) -> None:
     self.container: Dict[int, EmailMessage] = {}
     self.next_read_id = 0
     self.next_set_id = 0
     self.lock_getting = Lock()
     super().__init__()
Exemple #21
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import os
import re
from xml.etree import ElementTree

from . import session

_ANDROID_REPO_MANIFESTS = {
    'addon': 'https://dl.google.com/android/repository/addon2-1.xml',
    'package': 'https://dl.google.com/android/repository/repository2-1.xml',
}

_repo_manifests_cache = {}
_repo_manifests_locks = {}

for repo in _ANDROID_REPO_MANIFESTS.keys():
    _repo_manifests_locks[repo] = Lock()


async def _get_repo_manifest(repo):
    async with _repo_manifests_locks[repo]:
        if repo in _repo_manifests_cache:
            return _repo_manifests_cache[repo]

        repo_xml_url = _ANDROID_REPO_MANIFESTS[repo]

        async with session.get(repo_xml_url) as res:
            data = (await res.read()).decode('utf-8')

        repo_manifest = ElementTree.fromstring(data)
        _repo_manifests_cache[repo] = repo_manifest
Exemple #22
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 def __init__(self, *args, **kwargs):
     super(OkexSpotMonitor, self).__init__(*args, **kwargs)
     self._orderbooks = collections.defaultdict(dict)
     self._orderbooks_lock = Lock()
     self._orderbooks_use_snapshots = False
import asyncio, async_timeout, time, re, json, os
import aiohttp
from bs4 import BeautifulSoup
from asyncio.locks import Lock

#用于存放变量的list,downLoadCountNow(当前下载的数量),NoPicAnswer(没有图片的回答),nimingCount(匿名回答数),zhiHuUsers(重复的知乎用户)
variableList = [0, 0, 0, 0]

#找出json中content的图片
findPicUrl = re.compile(r"https://pic\d\.zhimg\.com/v\d-.{32}_.{1,2}\.jpg")

#找出url的大小控制字符
findSize = re.compile(r"_.{1,2}\.jpg")

#获取锁
lock = Lock()


def checkStr(str):
    """
    检查昵称是否包含windows不合法的命名字符,如果找到就用"_"代替
    :param str: 回答者的昵称
    :return: 过滤后的昵称
    """
    return re.sub(r"[\/\\\:\*\?\"\<\>\|]", "_", str)


async def DownLoadPic(session, qestionSavePath, offset, questionId,
                      downLoadCount):
    """
    :param session: 建立好的链接
Exemple #24
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from asyncio.locks import Lock
from candybot import exceptions, utils, commands
from candybot.interface import database
from candybot.engine import CandyValue, CandyDrop

# The current state of channels
# Channel ID -> Candy Drop
STATE = {}

# Mutex lock for STATE
STATE_LOCK = Lock()


async def setup(guild):
    database.set_settings(guild, ".", 0.2, 3, 5, 10, 100)
    database.set_settings_candy_add(guild, "candy", "🍬", 1)


async def teardown(guild):
    database.teardown(guild)


async def handle_message(message):
    """
    Handles a Discord Message
    :param message: The Discord message
    """

    # Firstly, filter the message if we don't care about it
    if not filter_message(message):
        return
Exemple #25
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class SmartQueue(Generic[Item], object):
    def __init__(self, items: Iterable[Item], *, retry_cnt: int = 2):
        self._items: Iterator[Item] = peekable(items)
        self._rescheduled_items: Set[Handle[Item]] = set()
        self._in_progress: Set[Handle[Item]] = set()

        # Synchronization primitives
        self._lock = Lock()
        self._new_items = Condition(lock=self._lock)
        self._eof = Condition(lock=self._lock)

    def has_new_items(self) -> bool:
        """Check whether this queue has any items that were not retrieved by any consumer yet."""
        return bool(self._items)

    def has_unassigned_items(self) -> bool:
        """Check whether this queue has any unassigned items.

        An item is _unassigned_ if it's new (hasn't been retrieved yet by any consumer)
        or it has been rescheduled and is not in progress.

        A queue has unassigned items iff `get()` will immediately return some item,
        without waiting for an item that is currently "in progress" to be rescheduled.
        """
        return self.has_new_items() or bool(self._rescheduled_items)

    def new_consumer(self) -> "Consumer[Item]":
        return Consumer(self)

    def __has_data(self):
        return self.has_unassigned_items() or bool(self._in_progress)

    def __find_rescheduled_item(
            self, consumer: "Consumer[Item]") -> Optional[Handle[Item]]:
        return next(
            (handle for handle in self._rescheduled_items
             if consumer not in handle._prev_consumers),
            None,
        )

    async def get(self, consumer: "Consumer[Item]") -> Handle[Item]:
        async with self._lock:
            while self.__has_data():

                handle = self.__find_rescheduled_item(consumer)
                if handle:
                    self._rescheduled_items.remove(handle)
                    self._in_progress.add(handle)
                    handle.assign_consumer(consumer)
                    return handle

                if self.has_new_items():
                    next_elem = next(self._items)
                    handle = Handle(next_elem, consumer=consumer)
                    self._in_progress.add(handle)
                    return handle

                await self._new_items.wait()
            self._new_items.notify_all()
        raise StopAsyncIteration

    async def mark_done(self, handle: Handle[Item]) -> None:
        assert handle in self._in_progress, "handle is not in progress"
        async with self._lock:
            self._in_progress.remove(handle)
            self._eof.notify_all()
            self._new_items.notify_all()
        if _logger.isEnabledFor(logging.DEBUG):
            _logger.debug(
                f"status in-progress={len(self._in_progress)}, have_item={bool(self._items)}"
            )

    async def reschedule(self, handle: Handle[Item]) -> None:
        assert handle in self._in_progress, "handle is not in progress"
        async with self._lock:
            self._in_progress.remove(handle)
            self._rescheduled_items.add(handle)
            self._new_items.notify_all()

    async def reschedule_all(self, consumer: "Consumer[Item]"):
        async with self._lock:
            handles = [
                handle for handle in self._in_progress
                if handle.consumer == consumer
            ]
            for handle in handles:
                self._in_progress.remove(handle)
                self._rescheduled_items.add(handle)
            self._new_items.notify_all()

    def stats(self) -> Dict:
        return {
            "locked": self._lock.locked(),
            "items": bool(self._items),
            "in-progress": len(self._in_progress),
            "rescheduled-items": len(self._rescheduled_items),
        }

    async def wait_until_done(self) -> None:
        async with self._lock:
            while self.__has_data():
                await self._eof.wait()
Exemple #26
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class Worker(BaseWorker[BaseClient, None]):
    def __init__(self, supervisor: Supervisor, options: BaseClient,
                 misc: None) -> None:
        self._lock = Lock()
        self._bin: Optional[PurePath] = None
        self._proc: Optional[Process] = None
        self._cwd: Optional[PurePath] = None
        super().__init__(supervisor, options=options, misc=misc)
        go(supervisor.nvim, aw=self._install())
        go(supervisor.nvim, aw=self._poll())

    async def _poll(self) -> None:
        try:
            while True:
                await sleep(9)
        finally:
            proc = self._proc
            if proc:
                with suppress(ProcessLookupError):
                    proc.kill()
                await proc.wait()

    async def _install(self) -> None:
        vars_dir = self._supervisor.vars_dir / "clients" / "t9"
        bin_path = t9_bin(vars_dir)
        if access(bin_path, X_OK):
            self._bin = bin_path
        else:
            for _ in range(9):
                await sleep(0)
            await awrite(self._supervisor.nvim, LANG("begin T9 download"))

            self._bin = await ensure_updated(
                vars_dir,
                retries=self._supervisor.limits.download_retries,
                timeout=self._supervisor.limits.download_timeout,
            )

            if not self._bin:
                await awrite(self._supervisor.nvim, LANG("failed T9 download"))
            else:
                await awrite(self._supervisor.nvim, LANG("end T9 download"))

    async def _clean(self) -> None:
        proc = self._proc
        if proc:
            self._proc = None
            with suppress(ProcessLookupError):
                proc.kill()
            await proc.wait()

    async def _comm(self, cwd: PurePath, json: str) -> Optional[str]:
        async def cont() -> Optional[str]:
            async with self._lock:
                if self._bin and not self._proc:
                    self._proc = await _proc(self._bin, cwd=cwd)
                    if self._proc:
                        self._cwd = cwd
                if not self._proc:
                    return None
                else:
                    assert self._proc.stdin and self._proc.stdout
                    try:
                        self._proc.stdin.write(encode(json))
                        self._proc.stdin.write(b"\n")
                        await self._proc.stdin.drain()
                        out = await self._proc.stdout.readline()
                    except (ConnectionError, LimitOverrunError, ValueError):
                        return await self._clean()
                    else:
                        return decode(out)

        if self._lock.locked():
            return None
        else:
            return await shield(cont())

    async def work(self, context: Context) -> AsyncIterator[Completion]:
        if self._cwd != context.cwd:
            await self._clean()

        if self._bin:
            req = _encode(
                self._supervisor.match,
                context=context,
                limit=self._supervisor.match.max_results,
            )
            json = dumps(req, check_circular=False, ensure_ascii=False)
            reply = await self._comm(context.cwd, json=json)
            if reply:
                try:
                    resp = loads(reply)
                except JSONDecodeError as e:
                    log.warn("%s", e)
                else:
                    for comp in _decode(self._options, reply=resp):
                        yield comp
class DB:

    conn = {}
    redisObj = {}
    lock = Lock()

    def connectToDB(self):
        self.conn = mysql.connector.connect(
            host='localhost',
            password='',
            user='',
            database='mymav',
            client_flags=[ClientFlag.LOCAL_FILES])
        self.conn.autocommit = True
        self.redisObj = redis.Redis(
            host=
            'localhost',  #redisautoscale.xle6db.0001.use1.cache.amazonaws.com
            port=6379,
            password='')

    def getenrolledcourses(self, userid):

        query = (
            "select `courseid`,`section`,`instructor` from enrolledcourses where `userid`='"
            + str(userid) + "';")
        cursor = self.conn.cursor()
        cursor.execute(query)

        l = []
        for i in cursor:
            l.append({'course': i[0], 'section': i[1], 'instructor': i[2]})

        return l

    def getcourse(self, course, instructor):
        stime = time.time()

        try:

            query = ("select * from `mymav`.`classes` where `courseno`=" +
                     str(course) + " or `instructor`='" + str(instructor) +
                     "';")
            cursor = self.conn.cursor()
            cursor.execute(query)
        except:
            return False

        l = []
        t = time.time() - stime
        l.append({'time': t})

        for i in cursor:
            l.append({
                'course': i[0],
                'section': i[1],
                'title': i[2],
                'day': i[4],
                'instructor': i[3],
                'start': i[5],
                'end': i[6],
                'max': i[7],
                'enrolled': i[8]
            })

        return l

    def validateLogin(self, uid, passw):

        query = ("select * from logindetails where `id`='" + str(uid) + "';")
        cursor = self.conn.cursor()
        cursor.execute(query)
        l = list(cursor)
        if (len(l) != 1):
            return 0
        if (str(l[0][2]) != passw):
            return 1
        query = ("select name from users where `userid`='" + str(uid) + "';")
        cursor.execute(query)
        l = list(cursor)
        self.userid = uid
        if (self.redisObj.get(uid) is None):
            self.redisObj.set(uid, time.time())

        return l[0][0]

    def register(self, uid, password, name):
        query = ("select * from logindetails where `id`='" + str(uid) + "';")
        cursor = self.conn.cursor()
        cursor.execute(query)
        l = list(cursor)
        if (len(l) == 1):
            return 0  #user id already registered
        query2 = (
            "INSERT INTO `mymav`.`logindetails` (`id`, `password`) VALUES ('" +
            str(uid) + "', '" + str(password) + "');")
        cursor.execute(query2)

        l = list(cursor)
        self.conn.commit()
        query3 = ("INSERT INTO `mymav`.`users` (`userid`, `name`) VALUES ('" +
                  str(uid) + "', '" + str(name) + "');")
        cursor.execute(query3)
        l = list(cursor)
        self.conn.commit()
        return 1

    def dropcourse(self, uid, course, instructor, section):
        self.conn.commit()
        query = ("DELETE FROM `mymav`.`enrolledcourses` WHERE `userid`='" +
                 str(uid) + "' and `courseid`='" + str(course) + "';")
        cursor = self.conn.cursor()
        try:
            cursor.execute(query)

        except:
            return False
        l = list(cursor)
        self.conn.commit()
        return True

    def getallcourses(self):
        self.conn.commit()
        query = ('select * from `mymav`.`classes`;')

        cursor = self.conn.cursor()
        cursor.execute(query)
        l = []
        for i in cursor:
            l.append({
                'course': i[0],
                'section': i[1],
                'title': i[2],
                'day': i[4],
                'instructor': i[3],
                'start': i[5],
                'end': i[6],
                'max': i[7],
                'enrolled': i[8]
            })

        return l

    def enrollcourse(self, uid, course, instructor, section):
        query = ("select * from `enrolledcourses` where `userid`='" +
                 str(uid) + "' and `courseid`='" + str(course) +
                 "' and `section`='" + str(section) + "';")
        cursor = self.conn.cursor()
        try:
            cursor.execute(query)
        except:
            return 0
        l = list(cursor)
        if (len(l) > 0):
            return 1
        self.conn.commit()
        query = (
            "INSERT INTO `mymav`.`enrolledcourses` (`userId`, `courseid`, `section`, `instructor`) VALUES ('"
            + str(uid) + "', '" + str(course) + "', '" + str(section) +
            "', '" + str(instructor) + "');")

        try:
            cursor.execute(query)
            self.conn.commit()
        except:
            return 0
        l = list(cursor)

        return 2