import logging import shutil from pathlib import Path from typing import Any, Dict, Optional from freqtrade.exceptions import OperationalException from freqtrade.constants import USER_DATA_FILES logger = logging.getLogger(__name__) def create_datadir(config: Dict[str, Any], datadir: Optional[str] = None) -> Path: folder = Path(datadir) if datadir else Path(f"{config['user_data_dir']}/data") if not datadir: # set datadir exchange_name = config.get('exchange', {}).get('name').lower() folder = folder.joinpath(exchange_name) if not folder.is_dir(): folder.mkdir(parents=True) logger.info(f'Created data directory: {datadir}') return folder def create_userdata_dir(directory: str, create_dir: bool = False) -> Path: """ Create userdata directory structure. if create_dir is True, then the parent-directory will be created if it does not exist. Sub-directories will always be created if the parent directory exists. Raises OperationalException if given a non-existing directory. :param directory: Directory to check :param create_dir: Create directory if it does not exist. :return: Path object containing the directory """ sub_dirs = ["backtest_results", "data", "hyperopts", "hyperopt_results", "logs", "notebooks", "plot", "strategies", ] folder = Path(directory) if not folder.is_dir(): if create_dir: folder.mkdir(parents=True) logger.info(f'Created user-data directory: {folder}') else: raise OperationalException( f"Directory `{folder}` does not exist. " "Please use `freqtrade create-userdir` to create a user directory") # Create required subdirectories for f in sub_dirs: subfolder = folder / f if not subfolder.is_dir(): subfolder.mkdir(parents=False) return folder def copy_sample_files(directory: Path, overwrite: bool = False) -> None: """ Copy files from templates to User data directory. :param directory: Directory to copy data to :param overwrite: Overwrite existing sample files """ if not directory.is_dir(): raise OperationalException(f"Directory `{directory}` does not exist.") sourcedir = Path(__file__).parents[1] / "templates" for source, target in USER_DATA_FILES.items(): targetdir = directory / target if not targetdir.is_dir(): raise OperationalException(f"Directory `{targetdir}` does not exist.") targetfile = targetdir / source if targetfile.exists(): if not overwrite: logger.warning(f"File `{targetfile}` exists already, not deploying sample file.") continue else: logger.warning(f"File `{targetfile}` exists already, overwriting.") shutil.copy(str(sourcedir / source), str(targetfile))