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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,))...

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