`IPython.core.history:extract_hist_ranges`

Signature

def extract_hist_ranges(ranges_str: str) → Iterable[tuple[int, int, Optional[int]]]

Turn a string of history ranges into 3-tuples of (session, start, stop).

Empty string results in a [(0, 1, None)], i.e. "everything from current session".

list(extract_hist_ranges("~8/5-~7/4 2"))

✓

[(-8, 5, None), (-7, 1, 5), (0, 2, 3)]