timestamp to datetime in python

gistfile1.py

>>> import datetime
>>> matchCreation = 1421845413033 # timestamp em milisegundos
>>> datetime.datetime.fromtimestamp(matchCreation / 1e3).strftime('%Y-%m-%d %H:%M:%S')
'2015-01-21 10:03:33'


>>> import datetime, time
>>> t = datetime.datetime(2015, 12, 10, 1, 51, 16)
>>> timestamp = time.mktime(t.timetuple()) # converve datetime para timestamp em segundos ... 
>>> timestamp
1449723076.0
>>> datetime.datetime.fromtimestamp(timestamp).strftime('%Y-%m-%d %H:%M:%S') # converte timestamp para datetime
'2015-12-10 01:51:16'


http://stackoverflow.com/questions/9744775/how-to-convert-integer-timestamp-to-python-datetime
http://stackoverflow.com/questions/7852855/how-to-convert-a-python-datetime-object-to-seconds