Modern Python Standard Library Cookbook

How to do it...

We want to grab the list of days between two dates as far as they are working days:

def workdays(d, end, excluded=(6, 7)):
    days = []
    while d.date() < end.date():
        if d.isoweekday() not in excluded:
            days.append(d)
        d += datetime.timedelta(days=1)
    return days

For example, if it's March 22^nd, 2018, which is a Thursday, and I want to know the working days up to the next Monday (which is March 26^th), I can easily ask for workdays:

>>> workdays(datetime.datetime(2018, 3, 22), datetime.datetime(2018, 3, 26))
[datetime.datetime(2018, 3, 22, 0, 0),  datetime.datetime(2018, 3, 23, 0, 0)]

So we know that two days are left: Thursday itself and Friday.

In case you are in a part of the world where you work on Sunday and maybe don't on Fridays, ...