Function _env_optional_float

deeplabcut/core/debug/_debug_utils.py:42–59

Parse an optional float environment variable. Empty strings / unset values return ``default``. Invalid values also fall back to ``default``.

(name: str, default: float | None = None)

def _env_optional_float(name: str, default: float | None = None) -> float | None:
    """Parse an optional float environment variable.

    Empty strings / unset values return ``default``.
    Invalid values also fall back to ``default``.
    """
    value = os.getenv(name)
    if value is None:
        return default

    value = value.strip()
    if not value:
        return default

    try:
        return float(value)
    except ValueError:
        return default


def _which(command: str) -> str: