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Subject: Re: Checking for valid date input and convert appropriately
From: Ferrous Cranus <nikos.gr33k@gmail.com>
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Xref: csiph.com comp.lang.python:39542

=CE=A4=CE=B7 =CE=A0=CE=B1=CF=81=CE=B1=CF=83=CE=BA=CE=B5=CF=85=CE=AE, 22 =CE=
=A6=CE=B5=CE=B2=CF=81=CE=BF=CF=85=CE=B1=CF=81=CE=AF=CE=BF=CF=85 2013 8:20:2=
0 =CF=80.=CE=BC. UTC+2, =CE=BF =CF=87=CF=81=CE=AE=CF=83=CF=84=CE=B7=CF=82 r=
ob.mar...@gmail.com =CE=AD=CE=B3=CF=81=CE=B1=CF=88=CE=B5:
> The datetime function: strptime() DOES check the date for validity. So tr=
y something like:
>=20
>=20
>=20
> from datetime import datetime
>=20
>=20
>=20
> def get_date():
>=20
>   while True:
>=20
>     try:
>=20
>       date_in =3D raw_input("Enter date (dd mm yyyy): ")
>=20
>       date_out =3D datetime.strptime(date_in,"%d %m %Y").strftime("%Y-%m-=
%d")
>=20
>       return date_out
>=20
>     except ValueError:
>=20
>       print "Invalid date: {}, try again...".format(date_in)

I'am thinking if somehting like the follwoing work:

if( task and ( price and price.isdigit() and price.__len__() <=3D 3 ) and (=
 date and eval( datetime.strptime(date, '%d %m %Y').strftime('%Y-%m-%d') ) =
) ):