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Django 2.2: Class-Based Views

Класс PermissionRequiredMixin (Django 2.2)

from django.contrib.auth.mixins import PermissionRequiredMixin

Verify that the current user has all specified permissions.

Диаграмма | Documentation | Исходный код

Предки (MRO)

  1. PermissionRequiredMixin
  2. AccessMixin

Атрибуты

  Определено в
login_url = None AccessMixin
permission_denied_message = '' AccessMixin
permission_required = None PermissionRequiredMixin
raise_exception = False AccessMixin
redirect_field_name = 'next' AccessMixin

Методы

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def dispatch(self, request, *args, **kwargs):
    if not self.has_permission():
        return self.handle_no_permission()
    return super().dispatch(request, *args, **kwargs)

Override this method to override the login_url attribute.
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def get_login_url(self):
    """
    Override this method to override the login_url attribute.
    """
    login_url = self.login_url or settings.LOGIN_URL
    if not login_url:
        raise ImproperlyConfigured(
            '{0} is missing the login_url attribute. Define {0}.login_url, settings.LOGIN_URL, or override '
            '{0}.get_login_url().'.format(self.__class__.__name__)
        )
    return str(login_url)

Override this method to override the permission_denied_message attribute.
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def get_permission_denied_message(self):
    """
    Override this method to override the permission_denied_message attribute.
    """
    return self.permission_denied_message

Override this method to override the permission_required attribute.
Must return an iterable.
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def get_permission_required(self):
    """
    Override this method to override the permission_required attribute.
    Must return an iterable.
    """
    if self.permission_required is None:
        raise ImproperlyConfigured(
            '{0} is missing the permission_required attribute. Define {0}.permission_required, or override '
            '{0}.get_permission_required().'.format(self.__class__.__name__)
        )
    if isinstance(self.permission_required, str):
        perms = (self.permission_required,)
    else:
        perms = self.permission_required
    return perms

Override this method to override the redirect_field_name attribute.
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def get_redirect_field_name(self):
    """
    Override this method to override the redirect_field_name attribute.
    """
    return self.redirect_field_name

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def handle_no_permission(self):
    if self.raise_exception or self.request.user.is_authenticated:
        raise PermissionDenied(self.get_permission_denied_message())
    return redirect_to_login(self.request.get_full_path(), self.get_login_url(), self.get_redirect_field_name())

Override this method to customize the way permissions are checked.
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def has_permission(self):
    """
    Override this method to customize the way permissions are checked.
    """
    perms = self.get_permission_required()
    return self.request.user.has_perms(perms)
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