def chunk_list(lst, n) -> list:
    for i in range(0, len(lst), n):
        yield lst[i:i + n]


def compile_query_to_plain_sql(query) -> str:
    return query.compile(compile_kwargs={
        'literal_binds': True
    })


def to_locale_number(value):
    return '{:,}'.format(value).replace(',', ' ')


def previous_current_next(iterable):
    """Make an iterator that yields a (previous, current, next) tuple per element.

    Returns None if the value does not make sense (i.e. previous before
    first and next after last).
    """
    iterable = iter(iterable)
    prv = None
    cur = next(iterable)
    try:
        while True:
            nxt = next(iterable)
            yield prv, cur, nxt
            prv = cur
            cur = nxt
    except StopIteration:
        yield prv, cur, None