449 lines
15 KiB
Python
449 lines
15 KiB
Python
# pragma pylint: disable=unused-argument, unused-variable, protected-access, invalid-name
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"""
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This module manage Telegram communication
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"""
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import logging
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from typing import Any, Callable
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from tabulate import tabulate
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from telegram import Bot, ParseMode, ReplyKeyboardMarkup, Update
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from telegram.error import NetworkError, TelegramError
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from telegram.ext import CommandHandler, Updater
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from freqtrade.__init__ import __version__
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from freqtrade.rpc.rpc import RPC
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logger = logging.getLogger(__name__)
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def authorized_only(command_handler: Callable[[Bot, Update], None]) -> Callable[..., Any]:
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"""
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Decorator to check if the message comes from the correct chat_id
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:param command_handler: Telegram CommandHandler
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:return: decorated function
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"""
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def wrapper(self, *args, **kwargs):
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"""
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Decorator logic
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"""
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update = kwargs.get('update') or args[1]
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# Reject unauthorized messages
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chat_id = int(self._config['telegram']['chat_id'])
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if int(update.message.chat_id) != chat_id:
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logger.info(
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'Rejected unauthorized message from: %s',
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update.message.chat_id
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)
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return wrapper
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logger.info(
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'Executing handler: %s for chat_id: %s',
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command_handler.__name__,
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chat_id
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)
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try:
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return command_handler(self, *args, **kwargs)
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except BaseException:
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logger.exception('Exception occurred within Telegram module')
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return wrapper
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class Telegram(RPC):
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"""
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Telegram, this class send messages to Telegram
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"""
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def __init__(self, freqtrade) -> None:
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"""
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Init the Telegram call, and init the super class RPC
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:param freqtrade: Instance of a freqtrade bot
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:return: None
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"""
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super().__init__(freqtrade)
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self._updater = None
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self._config = freqtrade.config
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self._init()
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def _init(self) -> None:
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"""
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Initializes this module with the given config,
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registers all known command handlers
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and starts polling for message updates
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:param config: config to use
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:return: None
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"""
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if not self.is_enabled():
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return
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self._updater = Updater(token=self._config['telegram']['token'], workers=0)
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# Register command handler and start telegram message polling
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handles = [
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CommandHandler('status', self._status),
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CommandHandler('profit', self._profit),
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CommandHandler('balance', self._balance),
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CommandHandler('start', self._start),
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CommandHandler('stop', self._stop),
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CommandHandler('forcesell', self._forcesell),
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CommandHandler('performance', self._performance),
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CommandHandler('daily', self._daily),
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CommandHandler('count', self._count),
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CommandHandler('help', self._help),
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CommandHandler('version', self._version),
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]
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for handle in handles:
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self._updater.dispatcher.add_handler(handle)
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self._updater.start_polling(
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clean=True,
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bootstrap_retries=-1,
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timeout=30,
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read_latency=60,
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)
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logger.info(
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'rpc.telegram is listening for following commands: %s',
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[h.command for h in handles]
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)
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def cleanup(self) -> None:
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"""
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Stops all running telegram threads.
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:return: None
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"""
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if not self.is_enabled():
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return
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self._updater.stop()
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def is_enabled(self) -> bool:
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"""
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Returns True if the telegram module is activated, False otherwise
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"""
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return bool(self._config.get('telegram', {}).get('enabled', False))
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@authorized_only
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def _status(self, bot: Bot, update: Update) -> None:
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"""
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Handler for /status.
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Returns the current TradeThread status
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:param bot: telegram bot
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:param update: message update
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:return: None
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"""
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# Check if additional parameters are passed
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params = update.message.text.replace('/status', '').split(' ') \
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if update.message.text else []
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if 'table' in params:
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self._status_table(bot, update)
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return
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# Fetch open trade
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(error, trades) = self.rpc_trade_status()
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if error:
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self.send_msg(trades, bot=bot)
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else:
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for trademsg in trades:
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self.send_msg(trademsg, bot=bot)
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@authorized_only
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def _status_table(self, bot: Bot, update: Update) -> None:
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"""
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Handler for /status table.
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Returns the current TradeThread status in table format
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:param bot: telegram bot
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:param update: message update
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:return: None
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"""
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# Fetch open trade
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(err, df_statuses) = self.rpc_status_table()
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if err:
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self.send_msg(df_statuses, bot=bot)
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else:
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message = tabulate(df_statuses, headers='keys', tablefmt='simple')
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message = "<pre>{}</pre>".format(message)
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self.send_msg(message, parse_mode=ParseMode.HTML)
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@authorized_only
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def _daily(self, bot: Bot, update: Update) -> None:
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"""
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Handler for /daily <n>
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Returns a daily profit (in BTC) over the last n days.
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:param bot: telegram bot
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:param update: message update
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:return: None
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"""
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try:
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timescale = int(update.message.text.replace('/daily', '').strip())
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except (TypeError, ValueError):
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timescale = 7
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(error, stats) = self.rpc_daily_profit(
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timescale,
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self._config['stake_currency'],
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self._config['fiat_display_currency']
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)
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if error:
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self.send_msg(stats, bot=bot)
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else:
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stats = tabulate(stats,
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headers=[
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'Day',
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'Profit {}'.format(self._config['stake_currency']),
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'Profit {}'.format(self._config['fiat_display_currency'])
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],
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tablefmt='simple')
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message = '<b>Daily Profit over the last {} days</b>:\n<pre>{}</pre>'\
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.format(
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timescale,
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stats
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)
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self.send_msg(message, bot=bot, parse_mode=ParseMode.HTML)
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@authorized_only
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def _profit(self, bot: Bot, update: Update) -> None:
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"""
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Handler for /profit.
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Returns a cumulative profit statistics.
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:param bot: telegram bot
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:param update: message update
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:return: None
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"""
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(error, stats) = self.rpc_trade_statistics(
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self._config['stake_currency'],
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self._config['fiat_display_currency']
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)
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if error:
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self.send_msg(stats, bot=bot)
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return
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# Message to display
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markdown_msg = "*ROI:* Close trades\n" \
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"∙ `{profit_closed_coin:.8f} {coin} ({profit_closed_percent:.2f}%)`\n" \
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"∙ `{profit_closed_fiat:.3f} {fiat}`\n" \
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"*ROI:* All trades\n" \
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"∙ `{profit_all_coin:.8f} {coin} ({profit_all_percent:.2f}%)`\n" \
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"∙ `{profit_all_fiat:.3f} {fiat}`\n" \
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"*Total Trade Count:* `{trade_count}`\n" \
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"*First Trade opened:* `{first_trade_date}`\n" \
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"*Latest Trade opened:* `{latest_trade_date}`\n" \
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"*Avg. Duration:* `{avg_duration}`\n" \
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"*Best Performing:* `{best_pair}: {best_rate:.2f}%`"\
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.format(
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coin=self._config['stake_currency'],
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fiat=self._config['fiat_display_currency'],
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profit_closed_coin=stats['profit_closed_coin'],
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profit_closed_percent=stats['profit_closed_percent'],
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profit_closed_fiat=stats['profit_closed_fiat'],
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profit_all_coin=stats['profit_all_coin'],
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profit_all_percent=stats['profit_all_percent'],
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profit_all_fiat=stats['profit_all_fiat'],
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trade_count=stats['trade_count'],
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first_trade_date=stats['first_trade_date'],
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latest_trade_date=stats['latest_trade_date'],
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avg_duration=stats['avg_duration'],
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best_pair=stats['best_pair'],
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best_rate=stats['best_rate']
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)
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self.send_msg(markdown_msg, bot=bot)
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@authorized_only
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def _balance(self, bot: Bot, update: Update) -> None:
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"""
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Handler for /balance
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"""
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(error, result) = self.rpc_balance(self._config['fiat_display_currency'])
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if error:
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self.send_msg('`All balances are zero.`')
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return
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(currencys, total, symbol, value) = result
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output = ''
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for currency in currencys:
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output += """*Currency*: {currency}
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*Available*: {available}
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*Balance*: {balance}
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*Pending*: {pending}
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*Est. BTC*: {est_btc: .8f}
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""".format(**currency)
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output += """*Estimated Value*:
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*BTC*: {0: .8f}
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*{1}*: {2: .2f}
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""".format(total, symbol, value)
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self.send_msg(output)
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@authorized_only
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def _start(self, bot: Bot, update: Update) -> None:
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"""
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Handler for /start.
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Starts TradeThread
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:param bot: telegram bot
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:param update: message update
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:return: None
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"""
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(error, msg) = self.rpc_start()
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if error:
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self.send_msg(msg, bot=bot)
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@authorized_only
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def _stop(self, bot: Bot, update: Update) -> None:
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"""
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Handler for /stop.
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Stops TradeThread
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:param bot: telegram bot
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:param update: message update
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:return: None
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"""
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(error, msg) = self.rpc_stop()
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self.send_msg(msg, bot=bot)
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@authorized_only
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def _forcesell(self, bot: Bot, update: Update) -> None:
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"""
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Handler for /forcesell <id>.
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Sells the given trade at current price
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:param bot: telegram bot
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:param update: message update
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:return: None
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"""
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trade_id = update.message.text.replace('/forcesell', '').strip()
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(error, message) = self.rpc_forcesell(trade_id)
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if error:
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self.send_msg(message, bot=bot)
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return
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@authorized_only
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def _performance(self, bot: Bot, update: Update) -> None:
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"""
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Handler for /performance.
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Shows a performance statistic from finished trades
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:param bot: telegram bot
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:param update: message update
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:return: None
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"""
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(error, trades) = self.rpc_performance()
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if error:
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self.send_msg(trades, bot=bot)
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return
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stats = '\n'.join('{index}.\t<code>{pair}\t{profit:.2f}% ({count})</code>'.format(
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index=i + 1,
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pair=trade['pair'],
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profit=trade['profit'],
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count=trade['count']
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) for i, trade in enumerate(trades))
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message = '<b>Performance:</b>\n{}'.format(stats)
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self.send_msg(message, parse_mode=ParseMode.HTML)
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@authorized_only
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def _count(self, bot: Bot, update: Update) -> None:
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"""
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Handler for /count.
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Returns the number of trades running
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:param bot: telegram bot
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:param update: message update
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:return: None
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"""
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(error, trades) = self.rpc_count()
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if error:
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self.send_msg(trades, bot=bot)
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return
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message = tabulate({
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'current': [len(trades)],
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'max': [self._config['max_open_trades']]
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}, headers=['current', 'max'], tablefmt='simple')
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message = "<pre>{}</pre>".format(message)
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logger.debug(message)
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self.send_msg(message, parse_mode=ParseMode.HTML)
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@authorized_only
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def _help(self, bot: Bot, update: Update) -> None:
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"""
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Handler for /help.
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Show commands of the bot
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:param bot: telegram bot
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:param update: message update
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:return: None
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"""
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message = "*/start:* `Starts the trader`\n" \
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"*/stop:* `Stops the trader`\n" \
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"*/status [table]:* `Lists all open trades`\n" \
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" *table :* `will display trades in a table`\n" \
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"*/profit:* `Lists cumulative profit from all finished trades`\n" \
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"*/forcesell <trade_id>|all:* `Instantly sells the given trade or all trades, " \
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"regardless of profit`\n" \
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"*/performance:* `Show performance of each finished trade grouped by pair`\n" \
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"*/daily <n>:* `Shows profit or loss per day, over the last n days`\n" \
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"*/count:* `Show number of trades running compared to allowed number of trades`" \
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"\n" \
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"*/balance:* `Show account balance per currency`\n" \
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"*/help:* `This help message`\n" \
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"*/version:* `Show version`"
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self.send_msg(message, bot=bot)
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@authorized_only
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def _version(self, bot: Bot, update: Update) -> None:
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"""
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Handler for /version.
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Show version information
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:param bot: telegram bot
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:param update: message update
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:return: None
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"""
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self.send_msg('*Version:* `{}`'.format(__version__), bot=bot)
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def send_msg(self, msg: str, bot: Bot = None,
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parse_mode: ParseMode = ParseMode.MARKDOWN) -> None:
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"""
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Send given markdown message
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:param msg: message
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:param bot: alternative bot
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:param parse_mode: telegram parse mode
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:return: None
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"""
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if not self.is_enabled():
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return
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bot = bot or self._updater.bot
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keyboard = [['/daily', '/profit', '/balance'],
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['/status', '/status table', '/performance'],
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['/count', '/start', '/stop', '/help']]
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reply_markup = ReplyKeyboardMarkup(keyboard)
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try:
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try:
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bot.send_message(
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self._config['telegram']['chat_id'],
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text=msg,
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parse_mode=parse_mode,
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reply_markup=reply_markup
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)
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except NetworkError as network_err:
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# Sometimes the telegram server resets the current connection,
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# if this is the case we send the message again.
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logger.warning(
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'Telegram NetworkError: %s! Trying one more time.',
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network_err.message
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)
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bot.send_message(
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self._config['telegram']['chat_id'],
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text=msg,
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parse_mode=parse_mode,
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reply_markup=reply_markup
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)
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except TelegramError as telegram_err:
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logger.warning(
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'TelegramError: %s! Giving up on that message.',
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telegram_err.message
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)
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