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pythondjango

Find Monday's date with Python


How do I find the previous Monday's date, based off of the current date using Python? I thought maybe I could use: datetime.weekday() to do it, but I am getting stuck.

I basically want to find today's date and Mondays date to construct a date range query in django using: created__range=(start_date, end_date).


Solution

  • >>> import datetime
    >>> today = datetime.date.today()
    >>> today + datetime.timedelta(days=-today.weekday(), weeks=1)
    datetime.date(2009, 10, 26)
    

    Some words of explanation:

    Take todays date. Subtract the number of days which already passed this week (this gets you 'last' monday). Add one week.

    Edit: The above is for 'next monday', but since you were looking for 'last monday' you could use

    today - datetime.timedelta(days=today.weekday())