Function find_file

IPython/core/oinspect.py:317–349

Find the absolute path to the file where an object was defined. This is essentially a robust wrapper around `inspect.getabsfile`. Returns None if no file can be found. Parameters ---------- obj : any Python object Returns ------- fname : str The absolute p

(obj)

    return obj

def find_file(obj) -> Optional[str]:
    """Find the absolute path to the file where an object was defined.

    This is essentially a robust wrapper around `inspect.getabsfile`.

    Returns None if no file can be found.

    Parameters
    ----------
    obj : any Python object

    Returns
    -------
    fname : str
        The absolute path to the file where the object was defined.
    """
    obj = _get_wrapped(obj)

    fname: Optional[str] = None
    try:
        fname = inspect.getabsfile(obj)
    except TypeError:
        # For an instance, the file that matters is where its class was
        # declared.
        try:
            fname = inspect.getabsfile(obj.__class__)
        except (OSError, TypeError):
            # Can happen for builtins
            pass
    except OSError:
        pass

    return fname


def find_source_lines(obj):