Actually, your User example is probably more like this:
User.objects.get_or_create(name="Bob", age=40, defaults=
{'admin'=True})
This tries to find a user by name and age, then uses a default value
for the admin field, but does not look up or create the user by the
admin field.
On Feb 17, 9:08 am, Tim <timster...@gmail.com> wrote:
> It's just as easy in Django.
>
> Tag.objects.get_or_create(name="Summer")
>
> User.objects.get_or_create(name="Bob", age=40, admin=True)
>
> On Feb 17, 8:33 am, Anders <anders.grimsrud.erik...@gmail.com> wrote:
>
> > Hi.
>
> > I do a lot of csv-import of data and have previously been using Ruby
> > on Rails. And the only thing I miss about Rails (apart from database
> > migration) is the find_or_create_by methods.
>
> > Are there any similar methods in Django?
>
> > My use is like this:
>
> > I import a CSV file, and in one column there is a value (i.e. a
> > string). I don't want to store it as a string in Model1, but as a
> > foreign key to Model2 - thus trying to find a record that has the
> > string and returning the foreign key id if found - else create the
> > object in Model2.
>
> > From the rails api:
>
> > # No 'Summer' tag exists
> > Tag.find_or_create_by_name("Summer") # equal to Tag.create(:name =>
> > "Summer")
>
> > # Now the 'Summer' tag does exist
> > Tag.find_or_create_by_name("Summer") # equal to Tag.find_by_name
> > ("Summer")
>
> > # Now 'Bob' exist and is an 'admin'
> > User.find_or_create_by_name('Bob', :age => 40) { |u| u.admin =
> > true }
>
> > I know it's probably bad to say that Rails is good in some ways in a
> > Django forum, so forgive me :)
>
> > Anders
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