move worker stuff to main.py

This commit is contained in:
hroff-1902 2019-03-22 20:16:54 +03:00
parent 7744989583
commit 60afba5592
2 changed files with 169 additions and 134 deletions

View File

@ -7,11 +7,10 @@ import logging
import time
import traceback
from datetime import datetime
from typing import Any, Callable, Dict, List, Optional, Tuple
from typing import Any, Dict, List, Optional, Tuple
import arrow
from requests.exceptions import RequestException
import sdnotify
from freqtrade import (DependencyException, OperationalException,
TemporaryError, __version__, constants, persistence)
@ -24,6 +23,7 @@ from freqtrade.resolvers import ExchangeResolver, StrategyResolver, PairListReso
from freqtrade.state import State
from freqtrade.strategy.interface import SellType, IStrategy
from freqtrade.wallets import Wallets
from freqtrade.main import Worker
logger = logging.getLogger(__name__)
@ -35,26 +35,18 @@ class FreqtradeBot(object):
This is from here the bot start its logic.
"""
def __init__(self, config: Dict[str, Any]) -> None:
def __init__(self, config: Dict[str, Any], worker: Worker) -> None:
"""
Init all variables and objects the bot needs to work
:param config: configuration dict, you can use Configuration.get_config()
to get the config dict.
"""
logger.info(
'Starting freqtrade %s',
__version__,
)
# Init bot states
self.state = State.STOPPED
logger.info('Starting freqtrade %s', __version__)
# Init objects
self.config = config
self._sd_notify = sdnotify.SystemdNotifier() if \
self.config.get('internals', {}).get('sd_notify', False) else None
self._worker: Worker = worker
self.strategy: IStrategy = StrategyResolver(self.config).strategy
@ -79,29 +71,16 @@ class FreqtradeBot(object):
self.config.get('edge', {}).get('enabled', False) else None
self.active_pair_whitelist: List[str] = self.config['exchange']['pair_whitelist']
self._init_modules()
# Tell the systemd that we completed initialization phase
if self._sd_notify:
logger.debug("sd_notify: READY=1")
self._sd_notify.notify("READY=1")
def _init_modules(self) -> None:
"""
Initializes all modules and updates the config
:return: None
"""
# Initialize all modules
persistence.init(self.config)
# Set initial application state
initial_state = self.config.get('initial_state')
@property
def state(self) -> State:
return self._worker.state
if initial_state:
self.state = State[initial_state.upper()]
else:
self.state = State.STOPPED
@state.setter
def state(self, value: State):
self._worker.state = value
def cleanup(self) -> None:
"""
@ -113,75 +92,7 @@ class FreqtradeBot(object):
self.rpc.cleanup()
persistence.cleanup()
def stopping(self) -> None:
# Tell systemd that we are exiting now
if self._sd_notify:
logger.debug("sd_notify: STOPPING=1")
self._sd_notify.notify("STOPPING=1")
def reconfigure(self) -> None:
# Tell systemd that we initiated reconfiguring
if self._sd_notify:
logger.debug("sd_notify: RELOADING=1")
self._sd_notify.notify("RELOADING=1")
def worker(self, old_state: State = None) -> State:
"""
Trading routine that must be run at each loop
:param old_state: the previous service state from the previous call
:return: current service state
"""
# Log state transition
state = self.state
if state != old_state:
self.rpc.send_msg({
'type': RPCMessageType.STATUS_NOTIFICATION,
'status': f'{state.name.lower()}'
})
logger.info('Changing state to: %s', state.name)
if state == State.RUNNING:
self.rpc.startup_messages(self.config, self.pairlists)
throttle_secs = self.config.get('internals', {}).get(
'process_throttle_secs',
constants.PROCESS_THROTTLE_SECS
)
if state == State.STOPPED:
# Ping systemd watchdog before sleeping in the stopped state
if self._sd_notify:
logger.debug("sd_notify: WATCHDOG=1\\nSTATUS=State: STOPPED.")
self._sd_notify.notify("WATCHDOG=1\nSTATUS=State: STOPPED.")
time.sleep(throttle_secs)
elif state == State.RUNNING:
# Ping systemd watchdog before throttling
if self._sd_notify:
logger.debug("sd_notify: WATCHDOG=1\\nSTATUS=State: RUNNING.")
self._sd_notify.notify("WATCHDOG=1\nSTATUS=State: RUNNING.")
self._throttle(func=self._process, min_secs=throttle_secs)
return state
def _throttle(self, func: Callable[..., Any], min_secs: float, *args, **kwargs) -> Any:
"""
Throttles the given callable that it
takes at least `min_secs` to finish execution.
:param func: Any callable
:param min_secs: minimum execution time in seconds
:return: Any
"""
start = time.time()
result = func(*args, **kwargs)
end = time.time()
duration = max(min_secs - (end - start), 0.0)
logger.debug('Throttling %s for %.2f seconds', func.__name__, duration)
time.sleep(duration)
return result
def _process(self) -> bool:
def process(self) -> bool:
"""
Queries the persistence layer for open trades and handles them,
otherwise a new trade is created.

View File

@ -5,10 +5,12 @@ Read the documentation to know what cli arguments you need.
"""
import logging
import sys
import time
from argparse import Namespace
from typing import List
from typing import Any, Callable, List
import sdnotify
from freqtrade import OperationalException
from freqtrade import (constants, OperationalException, __version__)
from freqtrade.arguments import Arguments
from freqtrade.configuration import Configuration, set_loggers
from freqtrade.freqtradebot import FreqtradeBot
@ -35,20 +37,11 @@ def main(sysargv: List[str]) -> None:
args.func(args)
return
freqtrade = None
return_code = 1
try:
# Load and validate configuration
config = Configuration(args, None).get_config()
# Init the bot
freqtrade = FreqtradeBot(config)
state = None
while True:
state = freqtrade.worker(old_state=state)
if state == State.RELOAD_CONF:
freqtrade = reconfigure(freqtrade, args)
# Load and run worker
worker = Worker(args)
worker.run()
except KeyboardInterrupt:
logger.info('SIGINT received, aborting ...')
@ -59,32 +52,163 @@ def main(sysargv: List[str]) -> None:
except BaseException:
logger.exception('Fatal exception!')
finally:
if freqtrade:
freqtrade.stopping()
freqtrade.rpc.send_msg({
'type': RPCMessageType.STATUS_NOTIFICATION,
'status': 'process died'
})
freqtrade.cleanup()
if worker is not None:
worker.exit()
sys.exit(return_code)
def reconfigure(freqtrade: FreqtradeBot, args: Namespace) -> FreqtradeBot:
class Worker(object):
"""
Cleans up current instance, reloads the configuration and returns the new instance
Freqtradebot worker class
"""
freqtrade.reconfigure()
# Clean up current modules
freqtrade.cleanup()
def __init__(self, args: Namespace) -> None:
"""
Init all variables and objects the bot needs to work
"""
logger.info('Starting worker %s', __version__)
# Create new instance
freqtrade = FreqtradeBot(Configuration(args, None).get_config())
freqtrade.rpc.send_msg({
'type': RPCMessageType.STATUS_NOTIFICATION,
'status': 'config reloaded'
})
return freqtrade
self._args = args
self._init()
# Tell systemd that we completed initialization phase
if self._sd_notify:
logger.debug("sd_notify: READY=1")
self._sd_notify.notify("READY=1")
def _init(self):
"""
Also called from the _reconfigure() method.
"""
# Load configuration
self._config = Configuration(self._args, None).get_config()
# Init the instance of the bot
self.freqtrade = FreqtradeBot(self._config, self)
# Set initial bot state
initial_state = self._config.get('initial_state')
if initial_state:
self._state = State[initial_state.upper()]
else:
self._state = State.STOPPED
self._throttle_secs = self._config.get('internals', {}).get(
'process_throttle_secs',
constants.PROCESS_THROTTLE_SECS
)
self._sd_notify = sdnotify.SystemdNotifier() if \
self._config.get('internals', {}).get('sd_notify', False) else None
@property
def state(self) -> State:
return self._state
@state.setter
def state(self, value: State):
self._state = value
def run(self):
state = None
while True:
state = self._worker(old_state=state, throttle_secs=self._throttle_secs)
if state == State.RELOAD_CONF:
self.freqtrade = self._reconfigure()
def _worker(self, old_state: State, throttle_secs: float) -> State:
"""
Trading routine that must be run at each loop
:param old_state: the previous service state from the previous call
:return: current service state
"""
state = self._state
# Log state transition
if state != old_state:
self.freqtrade.rpc.send_msg({
'type': RPCMessageType.STATUS_NOTIFICATION,
'status': f'{state.name.lower()}'
})
logger.info('Changing state to: %s', state.name)
if state == State.RUNNING:
self.freqtrade.rpc.startup_messages(self._config, self.freqtrade.pairlists)
if state == State.STOPPED:
# Ping systemd watchdog before sleeping in the stopped state
if self._sd_notify:
logger.debug("sd_notify: WATCHDOG=1\\nSTATUS=State: STOPPED.")
self._sd_notify.notify("WATCHDOG=1\nSTATUS=State: STOPPED.")
time.sleep(throttle_secs)
elif state == State.RUNNING:
# Ping systemd watchdog before throttling
if self._sd_notify:
logger.debug("sd_notify: WATCHDOG=1\\nSTATUS=State: RUNNING.")
self._sd_notify.notify("WATCHDOG=1\nSTATUS=State: RUNNING.")
self._throttle(func=self._process, min_secs=throttle_secs)
return state
def _throttle(self, func: Callable[..., Any], min_secs: float, *args, **kwargs) -> Any:
"""
Throttles the given callable that it
takes at least `min_secs` to finish execution.
:param func: Any callable
:param min_secs: minimum execution time in seconds
:return: Any
"""
start = time.time()
result = func(*args, **kwargs)
end = time.time()
duration = max(min_secs - (end - start), 0.0)
logger.debug('Throttling %s for %.2f seconds', func.__name__, duration)
time.sleep(duration)
return result
def _process(self) -> bool:
return self.freqtrade.process()
def _reconfigure(self):
"""
Cleans up current freqtradebot instance, reloads the configuration and
returns the new instance
"""
# Tell systemd that we initiated reconfiguration
if self._sd_notify:
logger.debug("sd_notify: RELOADING=1")
self._sd_notify.notify("RELOADING=1")
# Clean up current freqtrade modules
self.freqtrade.cleanup()
# Load and validate config and create new instance of the bot
self._init()
self.freqtrade.rpc.send_msg({
'type': RPCMessageType.STATUS_NOTIFICATION,
'status': 'config reloaded'
})
# Tell systemd that we completed reconfiguration
if self._sd_notify:
logger.debug("sd_notify: READY=1")
self._sd_notify.notify("READY=1")
def exit(self):
# Tell systemd that we are exiting now
if self._sd_notify:
logger.debug("sd_notify: STOPPING=1")
self._sd_notify.notify("STOPPING=1")
if self.freqtrade:
self.freqtrade.rpc.send_msg({
'type': RPCMessageType.STATUS_NOTIFICATION,
'status': 'process died'
})
self.freqtrade.cleanup()
if __name__ == '__main__':