Worker moved to new worker.py
This commit is contained in:
hroff-1902
parent
158cb307f6
commit
c8b0c9af0a
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@ -22,7 +22,7 @@ from freqtrade.resolvers import ExchangeResolver, StrategyResolver, PairListReso
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from freqtrade.state import State
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from freqtrade.strategy.interface import SellType, IStrategy
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from freqtrade.wallets import Wallets
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from freqtrade.main import Worker
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from freqtrade.worker import Worker
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logger = logging.getLogger(__name__)
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@ -5,18 +5,14 @@ Read the documentation to know what cli arguments you need.
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"""
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import logging
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import sys
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import time
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import traceback
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from argparse import Namespace
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from typing import Any, Callable, List
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import sdnotify
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from typing import List
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from freqtrade import (constants, OperationalException, TemporaryError,
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__version__)
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from freqtrade import OperationalException
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from freqtrade.arguments import Arguments
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from freqtrade.configuration import Configuration, set_loggers
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from freqtrade.state import State
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from freqtrade.rpc import RPCMessageType
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from freqtrade.configuration import set_loggers
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from freqtrade.worker import Worker
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logger = logging.getLogger('freqtrade')
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@ -30,7 +26,7 @@ def main(sysargv: List[str]) -> None:
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sysargv,
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'Free, open source crypto trading bot'
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)
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args = arguments.get_parsed_arg()
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args: Namespace = arguments.get_parsed_arg()
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# A subcommand has been issued.
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# Means if Backtesting or Hyperopt have been called we exit the bot
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@ -59,180 +55,6 @@ def main(sysargv: List[str]) -> None:
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sys.exit(return_code)
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class Worker(object):
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"""
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Freqtradebot worker class
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"""
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def __init__(self, args: Namespace) -> None:
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"""
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Init all variables and objects the bot needs to work
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"""
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logger.info('Starting worker %s', __version__)
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self._args = args
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self._init()
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# Tell systemd that we completed initialization phase
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if self._sd_notify:
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logger.debug("sd_notify: READY=1")
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self._sd_notify.notify("READY=1")
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def _init(self):
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"""
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Also called from the _reconfigure() method.
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"""
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# Load configuration
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self._config = Configuration(self._args, None).get_config()
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# Import freqtradebot here in order to avoid python circular
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# dependency error, damn!
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from freqtrade.freqtradebot import FreqtradeBot
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# Init the instance of the bot
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self.freqtrade = FreqtradeBot(self._config, self)
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# Set initial bot state
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initial_state = self._config.get('initial_state')
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if initial_state:
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self._state = State[initial_state.upper()]
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else:
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self._state = State.STOPPED
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self._throttle_secs = self._config.get('internals', {}).get(
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'process_throttle_secs',
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constants.PROCESS_THROTTLE_SECS
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)
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self._sd_notify = sdnotify.SystemdNotifier() if \
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self._config.get('internals', {}).get('sd_notify', False) else None
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@property
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def state(self) -> State:
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return self._state
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@state.setter
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def state(self, value: State):
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self._state = value
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def run(self):
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state = None
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while True:
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state = self._worker(old_state=state, throttle_secs=self._throttle_secs)
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if state == State.RELOAD_CONF:
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self.freqtrade = self._reconfigure()
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def _worker(self, old_state: State, throttle_secs: float) -> State:
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"""
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Trading routine that must be run at each loop
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:param old_state: the previous service state from the previous call
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:return: current service state
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"""
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state = self._state
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# Log state transition
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if state != old_state:
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self.freqtrade.rpc.send_msg({
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'type': RPCMessageType.STATUS_NOTIFICATION,
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'status': f'{state.name.lower()}'
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})
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logger.info('Changing state to: %s', state.name)
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if state == State.RUNNING:
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self.freqtrade.rpc.startup_messages(self._config, self.freqtrade.pairlists)
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if state == State.STOPPED:
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# Ping systemd watchdog before sleeping in the stopped state
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if self._sd_notify:
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logger.debug("sd_notify: WATCHDOG=1\\nSTATUS=State: STOPPED.")
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self._sd_notify.notify("WATCHDOG=1\nSTATUS=State: STOPPED.")
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time.sleep(throttle_secs)
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elif state == State.RUNNING:
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# Ping systemd watchdog before throttling
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if self._sd_notify:
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logger.debug("sd_notify: WATCHDOG=1\\nSTATUS=State: RUNNING.")
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self._sd_notify.notify("WATCHDOG=1\nSTATUS=State: RUNNING.")
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self._throttle(func=self._process, min_secs=throttle_secs)
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return state
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def _throttle(self, func: Callable[..., Any], min_secs: float, *args, **kwargs) -> Any:
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"""
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Throttles the given callable that it
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takes at least `min_secs` to finish execution.
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:param func: Any callable
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:param min_secs: minimum execution time in seconds
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:return: Any
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"""
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start = time.time()
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result = func(*args, **kwargs)
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end = time.time()
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duration = max(min_secs - (end - start), 0.0)
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logger.debug('Throttling %s for %.2f seconds', func.__name__, duration)
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time.sleep(duration)
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return result
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def _process(self) -> bool:
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state_changed = False
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try:
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state_changed = self.freqtrade.process()
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except TemporaryError as error:
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logger.warning(f"Error: {error}, retrying in {constants.RETRY_TIMEOUT} seconds...")
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time.sleep(constants.RETRY_TIMEOUT)
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except OperationalException:
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tb = traceback.format_exc()
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hint = 'Issue `/start` if you think it is safe to restart.'
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self.freqtrade.rpc.send_msg({
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'type': RPCMessageType.STATUS_NOTIFICATION,
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'status': f'OperationalException:\n```\n{tb}```{hint}'
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})
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logger.exception('OperationalException. Stopping trader ...')
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self.state = State.STOPPED
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return state_changed
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def _reconfigure(self):
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"""
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Cleans up current freqtradebot instance, reloads the configuration and
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returns the new instance
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"""
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# Tell systemd that we initiated reconfiguration
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if self._sd_notify:
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logger.debug("sd_notify: RELOADING=1")
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self._sd_notify.notify("RELOADING=1")
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# Clean up current freqtrade modules
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self.freqtrade.cleanup()
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# Load and validate config and create new instance of the bot
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self._init()
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self.freqtrade.rpc.send_msg({
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'type': RPCMessageType.STATUS_NOTIFICATION,
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'status': 'config reloaded'
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})
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# Tell systemd that we completed reconfiguration
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if self._sd_notify:
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logger.debug("sd_notify: READY=1")
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self._sd_notify.notify("READY=1")
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def exit(self):
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# Tell systemd that we are exiting now
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if self._sd_notify:
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logger.debug("sd_notify: STOPPING=1")
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self._sd_notify.notify("STOPPING=1")
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if self.freqtrade:
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self.freqtrade.rpc.send_msg({
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'type': RPCMessageType.STATUS_NOTIFICATION,
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'status': 'process died'
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})
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self.freqtrade.cleanup()
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if __name__ == '__main__':
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set_loggers()
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main(sys.argv[1:])
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@ -0,0 +1,192 @@
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"""
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Main Freqtrade worker class.
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"""
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import logging
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import time
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import traceback
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from argparse import Namespace
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from typing import Any, Callable
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import sdnotify
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from freqtrade import (constants, OperationalException, TemporaryError,
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__version__)
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from freqtrade.configuration import Configuration
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from freqtrade.state import State
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from freqtrade.rpc import RPCMessageType
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logger = logging.getLogger(__name__)
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class Worker(object):
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"""
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Freqtradebot worker class
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"""
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def __init__(self, args: Namespace) -> None:
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"""
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Init all variables and objects the bot needs to work
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"""
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logger.info('Starting worker %s', __version__)
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self._args = args
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self._init()
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# Tell systemd that we completed initialization phase
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if self._sd_notify:
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logger.debug("sd_notify: READY=1")
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self._sd_notify.notify("READY=1")
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def _init(self):
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"""
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Also called from the _reconfigure() method.
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"""
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# Load configuration
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self._config = Configuration(self._args, None).get_config()
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# Import freqtradebot here in order to avoid python circular
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# dependency error, damn!
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from freqtrade.freqtradebot import FreqtradeBot
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# Init the instance of the bot
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self.freqtrade = FreqtradeBot(self._config, self)
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# Set initial bot state
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initial_state = self._config.get('initial_state')
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if initial_state:
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self._state = State[initial_state.upper()]
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else:
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self._state = State.STOPPED
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self._throttle_secs = self._config.get('internals', {}).get(
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'process_throttle_secs',
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constants.PROCESS_THROTTLE_SECS
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)
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self._sd_notify = sdnotify.SystemdNotifier() if \
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self._config.get('internals', {}).get('sd_notify', False) else None
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@property
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def state(self) -> State:
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return self._state
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@state.setter
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def state(self, value: State):
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self._state = value
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def run(self):
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state = None
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while True:
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state = self._worker(old_state=state, throttle_secs=self._throttle_secs)
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if state == State.RELOAD_CONF:
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self.freqtrade = self._reconfigure()
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def _worker(self, old_state: State, throttle_secs: float) -> State:
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"""
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Trading routine that must be run at each loop
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:param old_state: the previous service state from the previous call
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:return: current service state
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"""
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state = self._state
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# Log state transition
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if state != old_state:
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self.freqtrade.rpc.send_msg({
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'type': RPCMessageType.STATUS_NOTIFICATION,
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'status': f'{state.name.lower()}'
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})
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logger.info('Changing state to: %s', state.name)
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if state == State.RUNNING:
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self.freqtrade.rpc.startup_messages(self._config, self.freqtrade.pairlists)
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if state == State.STOPPED:
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# Ping systemd watchdog before sleeping in the stopped state
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if self._sd_notify:
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logger.debug("sd_notify: WATCHDOG=1\\nSTATUS=State: STOPPED.")
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self._sd_notify.notify("WATCHDOG=1\nSTATUS=State: STOPPED.")
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time.sleep(throttle_secs)
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elif state == State.RUNNING:
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# Ping systemd watchdog before throttling
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if self._sd_notify:
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logger.debug("sd_notify: WATCHDOG=1\\nSTATUS=State: RUNNING.")
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self._sd_notify.notify("WATCHDOG=1\nSTATUS=State: RUNNING.")
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self._throttle(func=self._process, min_secs=throttle_secs)
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return state
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def _throttle(self, func: Callable[..., Any], min_secs: float, *args, **kwargs) -> Any:
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"""
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Throttles the given callable that it
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takes at least `min_secs` to finish execution.
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:param func: Any callable
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:param min_secs: minimum execution time in seconds
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:return: Any
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"""
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start = time.time()
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result = func(*args, **kwargs)
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end = time.time()
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duration = max(min_secs - (end - start), 0.0)
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logger.debug('Throttling %s for %.2f seconds', func.__name__, duration)
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time.sleep(duration)
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return result
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def _process(self) -> bool:
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state_changed = False
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try:
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state_changed = self.freqtrade.process()
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except TemporaryError as error:
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logger.warning(f"Error: {error}, retrying in {constants.RETRY_TIMEOUT} seconds...")
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time.sleep(constants.RETRY_TIMEOUT)
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except OperationalException:
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tb = traceback.format_exc()
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hint = 'Issue `/start` if you think it is safe to restart.'
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self.freqtrade.rpc.send_msg({
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'type': RPCMessageType.STATUS_NOTIFICATION,
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'status': f'OperationalException:\n```\n{tb}```{hint}'
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})
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logger.exception('OperationalException. Stopping trader ...')
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self.state = State.STOPPED
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return state_changed
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def _reconfigure(self):
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"""
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Cleans up current freqtradebot instance, reloads the configuration and
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returns the new instance
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"""
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# Tell systemd that we initiated reconfiguration
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if self._sd_notify:
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logger.debug("sd_notify: RELOADING=1")
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self._sd_notify.notify("RELOADING=1")
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# Clean up current freqtrade modules
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self.freqtrade.cleanup()
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# Load and validate config and create new instance of the bot
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self._init()
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self.freqtrade.rpc.send_msg({
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'type': RPCMessageType.STATUS_NOTIFICATION,
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'status': 'config reloaded'
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})
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# Tell systemd that we completed reconfiguration
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if self._sd_notify:
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logger.debug("sd_notify: READY=1")
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self._sd_notify.notify("READY=1")
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def exit(self):
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# Tell systemd that we are exiting now
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if self._sd_notify:
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logger.debug("sd_notify: STOPPING=1")
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self._sd_notify.notify("STOPPING=1")
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if self.freqtrade:
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self.freqtrade.rpc.send_msg({
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'type': RPCMessageType.STATUS_NOTIFICATION,
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'status': 'process died'
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})
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self.freqtrade.cleanup()
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