On Thursday, 29 March 2012 21:23:20 UTC+1, Peter wrote: > I am attempting to subclass the date class from the datetime package. > Basically I want a subclass that can take the date as a string (in multiple > formats), parse the string and derive the year,month and day information to > create a date instance i.e. > > class MyDate(datetime.date): > def __init__(self, the_date): > # magic happens here to derives year, month and day from the_date > datetime.date.__init__(self, year, month, day) > > But no matter what I do, when I attempt to create an instance of the new > class, I get the error message: > > Traceback (most recent call last): > File "<stdin>", line 1, in <module> > TypeError: Required argument 'year' (pos 1) not found > > > I have even created a class which doesn't include the argument I want to use > but with default arguments i.e. > > class MyDate (datetime.date): > def __init__(self, year = 1, month = 1, day = 1): > datetime.date.__init__(self, year, month, day) > > and get the same error message. > > What am I doing wrong here? > > Thanks for any help, > Peter
Details here: http://stackoverflow.com/questions/399022/why-cant-i-subclass-datetime-date Jon. -- http://mail.python.org/mailman/listinfo/python-list
