225 lines
8.4 KiB
Python
225 lines
8.4 KiB
Python
import logging
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import sys
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from pathlib import Path
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from typing import Any, Dict, Optional, Tuple
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import requests
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from freqtrade.configuration import setup_utils_configuration
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from freqtrade.configuration.directory_operations import copy_sample_files, create_userdata_dir
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from freqtrade.constants import USERPATH_HYPEROPTS, USERPATH_STRATEGIES
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from freqtrade.exceptions import OperationalException
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from freqtrade.misc import render_template, render_template_with_fallback
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from freqtrade.state import RunMode
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logger = logging.getLogger(__name__)
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def start_create_userdir(args: Dict[str, Any]) -> None:
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"""
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Create "user_data" directory to contain user data strategies, hyperopt, ...)
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:param args: Cli args from Arguments()
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:return: None
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"""
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if "user_data_dir" in args and args["user_data_dir"]:
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userdir = create_userdata_dir(args["user_data_dir"], create_dir=True)
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copy_sample_files(userdir, overwrite=args["reset"])
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else:
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logger.warning("`create-userdir` requires --userdir to be set.")
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sys.exit(1)
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def deploy_new_strategy(strategy_name: str, strategy_path: Path, subtemplate: str) -> None:
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"""
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Deploy new strategy from template to strategy_path
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"""
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fallback = 'full'
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indicators = render_template_with_fallback(
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templatefile=f"subtemplates/indicators_{subtemplate}.j2",
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templatefallbackfile=f"subtemplates/indicators_{fallback}.j2",
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)
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buy_trend = render_template_with_fallback(
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templatefile=f"subtemplates/buy_trend_{subtemplate}.j2",
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templatefallbackfile=f"subtemplates/buy_trend_{fallback}.j2",
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)
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sell_trend = render_template_with_fallback(
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templatefile=f"subtemplates/sell_trend_{subtemplate}.j2",
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templatefallbackfile=f"subtemplates/sell_trend_{fallback}.j2",
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)
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plot_config = render_template_with_fallback(
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templatefile=f"subtemplates/plot_config_{subtemplate}.j2",
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templatefallbackfile=f"subtemplates/plot_config_{fallback}.j2",
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)
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additional_methods = render_template_with_fallback(
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templatefile=f"subtemplates/strategy_methods_{subtemplate}.j2",
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templatefallbackfile="subtemplates/strategy_methods_empty.j2",
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)
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strategy_text = render_template(templatefile='base_strategy.py.j2',
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arguments={"strategy": strategy_name,
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"indicators": indicators,
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"buy_trend": buy_trend,
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"sell_trend": sell_trend,
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"plot_config": plot_config,
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"additional_methods": additional_methods,
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})
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logger.info(f"Writing strategy to `{strategy_path}`.")
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strategy_path.write_text(strategy_text)
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def start_new_strategy(args: Dict[str, Any]) -> None:
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config = setup_utils_configuration(args, RunMode.UTIL_NO_EXCHANGE)
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if "strategy" in args and args["strategy"]:
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if args["strategy"] == "DefaultStrategy":
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raise OperationalException("DefaultStrategy is not allowed as name.")
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new_path = config['user_data_dir'] / USERPATH_STRATEGIES / (args['strategy'] + '.py')
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if new_path.exists():
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raise OperationalException(f"`{new_path}` already exists. "
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"Please choose another Strategy Name.")
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deploy_new_strategy(args['strategy'], new_path, args['template'])
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else:
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raise OperationalException("`new-strategy` requires --strategy to be set.")
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def deploy_new_hyperopt(hyperopt_name: str, hyperopt_path: Path, subtemplate: str) -> None:
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"""
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Deploys a new hyperopt template to hyperopt_path
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"""
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fallback = 'full'
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buy_guards = render_template_with_fallback(
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templatefile=f"subtemplates/hyperopt_buy_guards_{subtemplate}.j2",
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templatefallbackfile=f"subtemplates/hyperopt_buy_guards_{fallback}.j2",
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)
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sell_guards = render_template_with_fallback(
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templatefile=f"subtemplates/hyperopt_sell_guards_{subtemplate}.j2",
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templatefallbackfile=f"subtemplates/hyperopt_sell_guards_{fallback}.j2",
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)
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buy_space = render_template_with_fallback(
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templatefile=f"subtemplates/hyperopt_buy_space_{subtemplate}.j2",
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templatefallbackfile=f"subtemplates/hyperopt_buy_space_{fallback}.j2",
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)
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sell_space = render_template_with_fallback(
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templatefile=f"subtemplates/hyperopt_sell_space_{subtemplate}.j2",
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templatefallbackfile=f"subtemplates/hyperopt_sell_space_{fallback}.j2",
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)
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strategy_text = render_template(templatefile='base_hyperopt.py.j2',
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arguments={"hyperopt": hyperopt_name,
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"buy_guards": buy_guards,
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"sell_guards": sell_guards,
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"buy_space": buy_space,
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"sell_space": sell_space,
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})
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logger.info(f"Writing hyperopt to `{hyperopt_path}`.")
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hyperopt_path.write_text(strategy_text)
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def start_new_hyperopt(args: Dict[str, Any]) -> None:
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config = setup_utils_configuration(args, RunMode.UTIL_NO_EXCHANGE)
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if 'hyperopt' in args and args['hyperopt']:
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if args['hyperopt'] == 'DefaultHyperopt':
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raise OperationalException("DefaultHyperopt is not allowed as name.")
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new_path = config['user_data_dir'] / USERPATH_HYPEROPTS / (args['hyperopt'] + '.py')
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if new_path.exists():
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raise OperationalException(f"`{new_path}` already exists. "
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"Please choose another Hyperopt Name.")
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deploy_new_hyperopt(args['hyperopt'], new_path, args['template'])
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else:
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raise OperationalException("`new-hyperopt` requires --hyperopt to be set.")
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def clean_ui_subdir(directory: Path):
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if directory.is_dir():
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logger.info("Removing UI directory content.")
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for p in reversed(list(directory.glob('**/*'))): # iterate contents from leaves to root
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if p.name in ('.gitkeep', 'fallback_file.html'):
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continue
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if p.is_file():
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p.unlink()
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elif p.is_dir():
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p.rmdir()
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def read_ui_version(dest_folder: Path) -> Optional[str]:
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file = dest_folder / '.uiversion'
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if not file.is_file():
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return None
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with file.open('r') as f:
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return f.read()
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def download_and_install_ui(dest_folder: Path, dl_url: str, version: str):
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from io import BytesIO
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from zipfile import ZipFile
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logger.info(f"Downloading {dl_url}")
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resp = requests.get(dl_url).content
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with ZipFile(BytesIO(resp)) as zf:
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for fn in zf.filelist:
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with zf.open(fn) as x:
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destfile = dest_folder / fn.filename
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if fn.is_dir():
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destfile.mkdir(exist_ok=True)
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else:
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destfile.write_bytes(x.read())
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with (dest_folder / '.uiversion').open('w') as f:
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f.write(version)
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def get_ui_download_url() -> Tuple[str, str]:
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base_url = 'https://api.github.com/repos/freqtrade/frequi/'
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# Get base UI Repo path
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resp = requests.get(f"{base_url}releases")
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resp.raise_for_status()
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r = resp.json()
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latest_version = r[0]['name']
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assets = r[0].get('assets', [])
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dl_url = ''
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if assets and len(assets) > 0:
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dl_url = assets[0]['browser_download_url']
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# URL not found - try assets url
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if not dl_url:
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assets = r[0]['assets_url']
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resp = requests.get(assets)
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r = resp.json()
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dl_url = r[0]['browser_download_url']
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return dl_url, latest_version
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def start_install_ui(args: Dict[str, Any]) -> None:
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dest_folder = Path(__file__).parents[1] / 'rpc/api_server/ui'
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# First make sure the assets are removed.
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dl_url, latest_version = get_ui_download_url()
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curr_version = read_ui_version(dest_folder)
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if curr_version == latest_version and not args.get('erase_ui_only'):
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logger.info(f"UI already up-to-date, FreqUI Version {curr_version}.")
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return
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clean_ui_subdir(dest_folder)
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if args.get('erase_ui_only'):
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logger.info("Erased UI directory content. Not downloading new version.")
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else:
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# Download a new version
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download_and_install_ui(dest_folder, dl_url, latest_version)
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