SerKonRu

>>> str1 = '2015-01-02'
>>> import datetime
>>> datetime.datetime.strptime(str1, '%Y-%m-%d')
datetime.datetime(2015, 1, 2, 0, 0)

>>> my_date = datetime.datetime.strptime(str1, '%Y-%m-%d')
>>> my_date.year
2015
>>> my_date.month
1
>>> my_date.day
2