Changed tuple Mate.unique_together/permissions to lists in docs.

This commit is contained in:
Luke Plant 2019-04-22 09:31:08 +03:00 committed by Mariusz Felisiak
parent 607ff4efa3
commit 0c916255eb
4 changed files with 13 additions and 13 deletions

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@ -309,7 +309,7 @@ Django quotes column and table names behind the scenes.
Add, change, delete, and view permissions are automatically created for each Add, change, delete, and view permissions are automatically created for each
model. This example specifies an extra permission, ``can_deliver_pizzas``:: model. This example specifies an extra permission, ``can_deliver_pizzas``::
permissions = (("can_deliver_pizzas", "Can deliver pizzas"),) permissions = [('can_deliver_pizzas', 'Can deliver pizzas')]
This is a list or tuple of 2-tuples in the format ``(permission_code, This is a list or tuple of 2-tuples in the format ``(permission_code,
human_readable_permission_name)``. human_readable_permission_name)``.
@ -408,17 +408,17 @@ Django quotes column and table names behind the scenes.
Sets of field names that, taken together, must be unique:: Sets of field names that, taken together, must be unique::
unique_together = (("driver", "restaurant"),) unique_together = [['driver', 'restaurant']]
This is a tuple of tuples that must be unique when considered together. This is a list of lists that must be unique when considered together.
It's used in the Django admin and is enforced at the database level (i.e., the It's used in the Django admin and is enforced at the database level (i.e., the
appropriate ``UNIQUE`` statements are included in the ``CREATE TABLE`` appropriate ``UNIQUE`` statements are included in the ``CREATE TABLE``
statement). statement).
For convenience, unique_together can be a single tuple when dealing with a single For convenience, ``unique_together`` can be a single list when dealing with
set of fields:: a single set of fields::
unique_together = ("driver", "restaurant") unique_together = ['driver', 'restaurant']
A :class:`~django.db.models.ManyToManyField` cannot be included in A :class:`~django.db.models.ManyToManyField` cannot be included in
unique_together. (It's not clear what that would even mean!) If you unique_together. (It's not clear what that would even mean!) If you

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@ -277,10 +277,10 @@ can or cannot do with ``Task`` instances, specific to your application::
class Task(models.Model): class Task(models.Model):
... ...
class Meta: class Meta:
permissions = ( permissions = [
("change_task_status", "Can change the status of tasks"), ("change_task_status", "Can change the status of tasks"),
("close_task", "Can remove a task by setting its status as closed"), ("close_task", "Can remove a task by setting its status as closed"),
) ]
The only thing this does is create those extra permissions when you run The only thing this does is create those extra permissions when you run
:djadmin:`manage.py migrate <migrate>` (the function that creates permissions :djadmin:`manage.py migrate <migrate>` (the function that creates permissions

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@ -328,12 +328,12 @@ inherit the permissions of the concrete model they subclass::
class Person(models.Model): class Person(models.Model):
class Meta: class Meta:
permissions = (('can_eat_pizzas', 'Can eat pizzas'),) permissions = [('can_eat_pizzas', 'Can eat pizzas')]
class Student(Person): class Student(Person):
class Meta: class Meta:
proxy = True proxy = True
permissions = (('can_deliver_pizzas', 'Can deliver pizzas'),) permissions = [('can_deliver_pizzas', 'Can deliver pizzas')]
>>> # Fetch the content type for the proxy model. >>> # Fetch the content type for the proxy model.
>>> content_type = ContentType.objects.get_for_model(Student, for_concrete_model=False) >>> content_type = ContentType.objects.get_for_model(Student, for_concrete_model=False)

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@ -367,7 +367,7 @@ Consider the following two models::
birthdate = models.DateField() birthdate = models.DateField()
class Meta: class Meta:
unique_together = (('first_name', 'last_name'),) unique_together = [['first_name', 'last_name']]
class Book(models.Model): class Book(models.Model):
name = models.CharField(max_length=100) name = models.CharField(max_length=100)
@ -411,7 +411,7 @@ name::
objects = PersonManager() objects = PersonManager()
class Meta: class Meta:
unique_together = (('first_name', 'last_name'),) unique_together = [['first_name', 'last_name']]
Now books can use that natural key to refer to ``Person`` objects:: Now books can use that natural key to refer to ``Person`` objects::
@ -459,7 +459,7 @@ Firstly, you need to add another method -- this time to the model itself::
objects = PersonManager() objects = PersonManager()
class Meta: class Meta:
unique_together = (('first_name', 'last_name'),) unique_together = [['first_name', 'last_name']]
def natural_key(self): def natural_key(self):
return (self.first_name, self.last_name) return (self.first_name, self.last_name)