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refactor: extract bt file normalization to separate function

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Matthias
2025-08-16 15:14:55 +02:00
parent 74aa17d534
commit 33c2cc806a
1 changed files with 21 additions and 10 deletions
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31
freqtrade/data/btanalysis/bt_fileutils.py
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@@ -155,16 +155,12 @@ def load_backtest_metadata(filename: Path | str) -> dict[str, Any]:
raise OperationalException("Unexpected error while loading backtest metadata.") from e raise OperationalException("Unexpected error while loading backtest metadata.") from e
def load_backtest_stats( def _normalize_filename(file_or_directory: Path | str, filename: Path | str | None = None) -> Path:
file_or_directory: Path | str, filename: Path | str | None = None
) -> BacktestResultType:
""" """
Load backtest statistics file. Normalize the filename by ensuring it is a Path object.
:param file_or_directory: pathlib.Path object, or string pointing to the directory, :param file_or_directory: The directory or file to normalize.
or absolute/relative path to the backtest results file. :param filename: The filename to normalize.
:param filename: Optional filename to load from (if different from the main filename). :return: A Path object representing the normalized filename.
Only valid when loading from a directory.
:return: a dictionary containing the resulting file.
""" """
if isinstance(file_or_directory, str): if isinstance(file_or_directory, str):
file_or_directory = Path(file_or_directory) file_or_directory = Path(file_or_directory)
@@ -177,9 +173,24 @@ def load_backtest_stats(
fn = file_or_directory / filename fn = file_or_directory / filename
else: else:
fn = file_or_directory fn = file_or_directory
return fn
def load_backtest_stats(
file_or_directory: Path | str, filename: Path | str | None = None
) -> BacktestResultType:
"""
Load backtest statistics file.
:param file_or_directory: pathlib.Path object, or string pointing to the directory,
or absolute/relative path to the backtest results file.
:param filename: Optional filename to load from (if different from the main filename).
Only valid when loading from a directory.
:return: a dictionary containing the resulting file.
"""
fn = _normalize_filename(file_or_directory, filename)
if not fn.is_file(): if not fn.is_file():
raise ValueError(f"File {fn} does not exist.") raise ValueError(f"File or directory {fn} does not exist.")
logger.info(f"Loading backtest result from {fn}") logger.info(f"Loading backtest result from {fn}")
if fn.suffix == ".zip": if fn.suffix == ".zip":