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