On 3 March 2011 08:02, Alex Hall <[email protected]> wrote: > Hi all, > Still working through that tutorial. I am just curious: why are none > of the class variables called self.var, but rather just var? For > example: > import models > class Poll(models.Model): > question=models.CharField(max_length=200) > > Should that not be > self.question=... > instead? Otherwise, saying something like: > poll=Poll() > poll.question="question?" > should not work; question is not told to be part of the class by way > of self. This may stray from django and into pure python territory, so > sorry if it gets off-topic. I have never seen a class that does not > tie its variables to itself with self or some other keyword. Come to > think of it, there is no __init__ method. I know that it is not > necessary to have one, but I figured I would have seen one to get > things set up.
Django uses the magic of metaclasses to build model instances - see http://code.djangoproject.com/browser/django/trunk/django/db/models/base.py#L26 > -- > Have a great day, > Alex (msg sent from GMail website) > [email protected]; http://www.facebook.com/mehgcap > > -- > You received this message because you are subscribed to the Google Groups > "Django users" group. > To post to this group, send email to [email protected]. > To unsubscribe from this group, send email to > [email protected]. > For more options, visit this group at > http://groups.google.com/group/django-users?hl=en. > > -- You received this message because you are subscribed to the Google Groups "Django users" group. To post to this group, send email to [email protected]. To unsubscribe from this group, send email to [email protected]. For more options, visit this group at http://groups.google.com/group/django-users?hl=en.
