Test your AI Agents with the all-new Agent to Agent Testing Platform.Learn More

How to use _init_instruments method in ATX

Best Python code snippet using ATX

kraken_rest.py

Source:kraken_rest.py

...52        self._instrument_assets = None53    async def exchanges(self):54        return [EXCHANGE_SYMBOL]55    async def assets(self):56        await self._init_instruments()57        return sorted(self._instrument_assets or [])58    async def instruments(self):59        await self._init_instruments()60        return sorted(self._instruments.keys())61    async def markets(self):62        return [Market(EXCHANGE_SYMBOL, symbol) for symbol in await self.instruments()]63    async def trades(64        self,65        market: str,66        since: Optional[Timestamp] = None,67        timeout: Optional[float] = None,68        until_now: bool = True,69    ):70        # TODO: support more complete query API instead of just since71        start_time = time.time()72        while True:73            series = await self.trades_series(market, since)74            if len(series) > 0:75                since = series.partition.period.end76                yield series77            if until_now and len(series) == 0:78                break79            elapsed_time = time.time() - start_time80            if timeout and elapsed_time > timeout - DEFAULT_WAIT_TIME:81                break82    async def trades_series(self, market: str, since: Optional[Timestamp] = None):83        exchange_symbol, instrument = market.split(":", 1)84        if exchange_symbol != EXCHANGE_SYMBOL:85            raise ValueError(f"{SOURCE_SYMBOL}: market not supported: {market}")86        await self._init_instruments()87        pair = self._instruments[instrument]88        result = await self.request_trades(pair["name"], since)89        raw_trades = result[pair["name"]]90        price_scale = pair["pair_decimals"]91        amount_scale = pair["lot_decimals"]92        raw_price, raw_amount, raw_time, raw_side, raw_order, raw_misc = (93            zip(*raw_trades) if raw_trades else [[], [], [], [], [], []]94        )95        price = [int(Decimal(n).normalize().scaleb(price_scale)) for n in raw_price]96        amount = [int(Decimal(n).normalize().scaleb(amount_scale)) for n in raw_amount]97        time = [fix_time(n) for n in raw_time]98        side = [TAKER_SIDES.get(n) for n in raw_side]99        order = [ORDER_TYPES.get(n) for n in raw_order]100        extra_json = []101        for index, s, o in zip(range(len(raw_trades)), side, order):102            entry = {}103            if s == None:104                entry["side"] = raw_side[index]105            if o == None:106                entry["order"] = raw_order[index]107            if raw_misc[index]:108                entry["misc"] = raw_misc[index]109            if len(entry.keys()) > 0:110                extra_json.append(json.dumps({SOURCE_SYMBOL: entry}))111            else:112                extra_json.append(None)113        pagination_next = Timestamp(int(result["last"]), tz="UTC")114        partition = Partition(115            source=SOURCE_SYMBOL,116            market=Market(EXCHANGE_SYMBOL, instrument),117            period=TimeInterval(since or time[0], pagination_next),118        )119        table = pa.Table.from_arrays(120            [121                pa.array(time, type=pa.timestamp("ns", tz="UTC")),122                pa.array(price, type=pa.uint64()),123                pa.array(amount, type=pa.uint64()),124                pa.array(side, type=pa.dictionary(pa.int8(), pa.string())),125                pa.array(order, type=pa.dictionary(pa.int8(), pa.string())),126                pa.array(extra_json, type=pa.string()),127            ],128            names=["time", "price", "amount", "side", "order", "extra_json"],129        )130        return TableSeries(table, partition)131    async def _init_instruments(self):132        if self._instruments:133            return134        asset_pairs = await self.request("AssetPairs")135        instruments = {}136        instrument_assets = set()137        for name, data in asset_pairs.items():138            if "wsname" not in data:139                continue140            data["name"] = name141            base, quote = map(fix_asset, data["wsname"].split("/"))142            data["symbol"] = "/".join([base, quote])143            instruments[data["symbol"]] = data144            instrument_assets.add(base)145            instrument_assets.add(quote)...

__init__.py

Source:__init__.py

...33        self._init_display()34        self.screen_rotation = 1 # TODO: auto judge35        if not bundle_id:36            print 'WARNING [ios.py]: bundle_id is not set' #, use "com.netease.atx.apple" instead.'37            # self._init_instruments('com.netease.atx.apple')38        else:39            self._init_instruments(bundle_id)40    def _init_display(self):41        model = self.d.info['HardwareModel']42        with open(os.path.join(__dir__, 'ios-models.yml'), 'rb') as f:43            items = yaml.load(f.read())44        for item in items:45            if model == item.get('model'):46                (width, height) = map(int, item.get('pixel').split('x'))47                self._scale = item.get('scale')48                self._display = Display(width*self._scale, height*self._scale)49                break50        if self._display is None:51            raise RuntimeError("TODO: not support your phone for now, You need contact the author.")52    53    def _init_instruments(self, bundle_id):54        self._bootstrap = os.path.join(__dir__, 'bootstrap.sh')55        self._bundle_id = bundle_id56        self._env.update({'UDID': self.udid, 'BUNDLE_ID': self._bundle_id})57        # 1. remove pipe58        # subprocess.check_output([self._bootstrap, 'reset'], env=self._env)59        # 2. start instruments60        self._proc = subprocess.Popen([self._bootstrap, 'instruments'], env=self._env, stdout=subprocess.PIPE)61        self.sleep(5.0)62        self._wait_instruments()63    def _wait_instruments(self):64        ret = self._run('1')65        if ret != 1:66            log.error('Instruments stdout:\n' + self._proc.stdout.read())67            raise RuntimeError('Instruments start failed, expect 1 but got %s' % (ret,))...

Automation Testing Tutorials

Learn to execute automation testing from scratch with LambdaTest Learning Hub. Right from setting up the prerequisites to run your first automation test, to following best practices and diving deeper into advanced test scenarios. LambdaTest Learning Hubs compile a list of step-by-step guides to help you be proficient with different test automation frameworks i.e. Selenium, Cypress, TestNG etc.