Source code for fastcs.util

import re

ONCE = float("inf")
"""Sentinel value to call a ``scan`` or io ``update`` method once on start up"""




def snake_to_pascal(name: str) -> str:
    """Converts string from snake case to Pascal case.
    If string is not a valid snake case it will be returned unchanged
    """
    if re.fullmatch(r"[a-z][a-z0-9]*(?:_[a-z0-9]+)*", name):
        name = re.sub(r"(?:^|_)([a-z0-9])", lambda match: match.group(1).upper(), name)
    return name