On Sunday, 16 October 2011 23:43:56 UTC+1, youpsla wrote: > > Hello, > I'm new to Django and I've only a medium background in funtionnal > programming in Python. > > I'm currently reading and working on the Django tutorial. I've few > questions on a example of code because things are not so clear for me. > > Here is the code example > > 1 from django.db import models > 2 > 3 class Person(models.Model): > 4 first_name = models.CharField(max_length=30) > 5 last_name = models.CharField(max_length=30) > > Can you say me if I'm wrong or not on the followings: > > - line 1 : Import of the" models" method from the "django.db" > module ? > > - line 3 : Définition of the "Person" classs wich heritates from the > "models.Model class ? If true, and assuming that "models" is a method, > a class can be nested in a method ? > > - ligne 4 : Creation of variable "first_name" by calling the method > CharField with one argument. But how "CharFiled" is written, isn't it > a class ? ANd here we use only "models", then why on line 3 we use > "models.Model" ? > > I hope it's not to much confusing !!!! :-) > > Help would be REALLY appreciated !!! > > Regards > > Alain
This is fairly basic stuff - sounds like you would benefit from doing an introductory Python tutorial. At the root of your confusion, I think, is that you're mixing up methods and modules. `models` in the code above is a module[*] containing multiple classes. You can't import a method, as that's simply a function belonging to a class. You can import modules - `from django.db import models` - or elements such as classes and constants directly inside a module - `from django.db.models import Model`. So, the `models` module includes a class named Model, and also several other classes which represent fields - CharField, BooleanField, etc. All of these live directly inside the models namespace, so are referred to in exactly the same way - models.Model, models.CharField, etc. -- DR. [*] Yes, strictly speaking it's a package, but that's probably too confusing at this stage -- You received this message because you are subscribed to the Google Groups "Django users" group. To view this discussion on the web visit https://groups.google.com/d/msg/django-users/-/m39fNeqPf_YJ. To post to this group, send email to django-users@googlegroups.com. To unsubscribe from this group, send email to django-users+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/django-users?hl=en.
