mirror of
https://github.com/freqtrade/freqtrade.git
synced 2024-11-14 20:23:57 +00:00
193 lines
6.5 KiB
Python
193 lines
6.5 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.constants import USERPATH_STRATEGIES
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from freqtrade.enums import RunMode
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from freqtrade.exceptions import ConfigurationError, OperationalException
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logger = logging.getLogger(__name__)
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# Timeout for requests
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req_timeout = 30
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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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from freqtrade.configuration.directory_operations import copy_sample_files, create_userdata_dir
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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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from freqtrade.util import render_template, render_template_with_fallback
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fallback = "full"
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attributes = render_template_with_fallback(
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templatefile=f"strategy_subtemplates/strategy_attributes_{subtemplate}.j2",
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templatefallbackfile=f"strategy_subtemplates/strategy_attributes_{fallback}.j2",
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)
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indicators = render_template_with_fallback(
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templatefile=f"strategy_subtemplates/indicators_{subtemplate}.j2",
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templatefallbackfile=f"strategy_subtemplates/indicators_{fallback}.j2",
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)
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buy_trend = render_template_with_fallback(
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templatefile=f"strategy_subtemplates/buy_trend_{subtemplate}.j2",
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templatefallbackfile=f"strategy_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"strategy_subtemplates/sell_trend_{subtemplate}.j2",
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templatefallbackfile=f"strategy_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"strategy_subtemplates/plot_config_{subtemplate}.j2",
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templatefallbackfile=f"strategy_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"strategy_subtemplates/strategy_methods_{subtemplate}.j2",
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templatefallbackfile="strategy_subtemplates/strategy_methods_empty.j2",
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)
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strategy_text = render_template(
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templatefile="base_strategy.py.j2",
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arguments={
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"strategy": strategy_name,
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"attributes": attributes,
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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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)
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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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from freqtrade.configuration import setup_utils_configuration
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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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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(
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f"`{new_path}` already exists. Please choose another Strategy Name."
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)
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deploy_new_strategy(args["strategy"], new_path, args["template"])
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else:
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raise ConfigurationError("`new-strategy` requires --strategy 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, timeout=req_timeout).content
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dest_folder.mkdir(parents=True, exist_ok=True)
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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(version: Optional[str] = None) -> 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", timeout=req_timeout)
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resp.raise_for_status()
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r = resp.json()
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if version:
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tmp = [x for x in r if x["name"] == version]
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if tmp:
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latest_version = tmp[0]["name"]
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assets = tmp[0].get("assets", [])
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else:
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raise ValueError("UI-Version not found.")
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else:
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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, timeout=req_timeout)
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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/installed/"
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# First make sure the assets are removed.
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dl_url, latest_version = get_ui_download_url(args.get("ui_version"))
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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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