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freqtrade/data/btanalysis.py

Summary

Maintainability
C
1 day
Test Coverage

File btanalysis.py has 383 lines of code (exceeds 250 allowed). Consider refactoring.
Open

"""
Helpers when analyzing backtest data
"""
import logging
from copy import copy
Severity: Minor
Found in freqtrade/data/btanalysis.py - About 5 hrs to fix

    Function find_existing_backtest_stats has a Cognitive Complexity of 20 (exceeds 5 allowed). Consider refactoring.
    Open

    def find_existing_backtest_stats(dirname: Union[Path, str], run_ids: Dict[str, str],
                                 min_backtest_date: Optional[datetime] = None) -> Dict[str, Any]:
    """
    Find existing backtest stats that match specified run IDs and load them.
    :param dirname: pathlib.Path object, or string pointing to the file.
    Severity: Minor
    Found in freqtrade/data/btanalysis.py - About 2 hrs to fix

    Cognitive Complexity

    Cognitive Complexity is a measure of how difficult a unit of code is to intuitively understand. Unlike Cyclomatic Complexity, which determines how difficult your code will be to test, Cognitive Complexity tells you how difficult your code will be to read and comprehend.

    A method's cognitive complexity is based on a few simple rules:

    • Code is not considered more complex when it uses shorthand that the language provides for collapsing multiple statements into one
    • Code is considered more complex for each "break in the linear flow of the code"
    • Code is considered more complex when "flow breaking structures are nested"

    Further reading

    Function load_backtest_data has a Cognitive Complexity of 12 (exceeds 5 allowed). Consider refactoring.
    Open

    def load_backtest_data(filename: Union[Path, str], strategy: Optional[str] = None) -> pd.DataFrame:
    """
    Load backtest data file.
    :param filename: pathlib.Path object, or string pointing to a file or directory
    :param strategy: Strategy to load - mainly relevant for multi-strategy backtests
    Severity: Minor
    Found in freqtrade/data/btanalysis.py - About 1 hr to fix

    Cognitive Complexity

    Cognitive Complexity is a measure of how difficult a unit of code is to intuitively understand. Unlike Cyclomatic Complexity, which determines how difficult your code will be to test, Cognitive Complexity tells you how difficult your code will be to read and comprehend.

    A method's cognitive complexity is based on a few simple rules:

    • Code is not considered more complex when it uses shorthand that the language provides for collapsing multiple statements into one
    • Code is considered more complex for each "break in the linear flow of the code"
    • Code is considered more complex when "flow breaking structures are nested"

    Further reading

    Function load_trades has 5 arguments (exceeds 4 allowed). Consider refactoring.
    Open

    def load_trades(source: str, db_url: str, exportfilename: Path,
    Severity: Minor
    Found in freqtrade/data/btanalysis.py - About 35 mins to fix

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