Python - convert string to argument (or dynamically choose increment duration type for date)?

Question

Is it possible to convert string to method's argument?

Let say I can get such strings 'weeks', 'months', 'years'.

Now I have this:

from dateutil.relativedelta import relativedelta
from datetime import date

today = date.today()

So after this I need to increment today by the type of duration that is written in string. For example if string would be provided 'years', then it should do this (duration number let say is 10):

some_date = today + relativedelta(years=10)

Of course I could do this using ifs and checking what kind of string was passed. But maybe there is better way to just convert string to that keyword, so I would not need many ifs for this approach?

where are "years" and 10 coming from?

Padraic Cunningham
– Padraic Cunningham

2015-02-23 10:52:06 +00:00
Commented Feb 23, 2015 at 10:52 — Padraic Cunningham
– Padraic Cunningham, Commented Feb 23, 2015 at 10:52
@PadraicCunningham does it matter where it is coming from?

Andrius
– Andrius

2015-02-24 08:03:17 +00:00
Commented Feb 24, 2015 at 8:03 — Andrius
– Andrius, Commented Feb 24, 2015 at 8:03

Lesmana · Accepted Answer · 2015-02-23 10:20:24Z

4

You can make use of the keyword argument feature of python

some_date = today + relativedelta(**{'years': 10})

You can also prepare the dictionary before use

kwargs = {}
kwargs['years'] = 10
some_date = today + relativedelta(**kwargs)

For more information:

answered Feb 23, 2015 at 10:20

Lesmana

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