Refactoring of 'fully_decorated' for clarity and removal of duplication.

Also allows re-use of 'full_decorator' if we need it.

git-svn-id: http://code.djangoproject.com/svn/django/trunk@16271 bcc190cf-cafb-0310-a4f2-bffc1f526a37
This commit is contained in:
Luke Plant 2011-05-23 16:08:36 +00:00
parent 4c4e46e646
commit 55c2c302c1
1 changed files with 38 additions and 23 deletions

View File

@ -16,35 +16,50 @@ def fully_decorated(request):
return HttpResponse('<html><body>dummy</body></html>')
fully_decorated.anything = "Expected __dict__"
# django.views.decorators.http
fully_decorated = require_http_methods(["GET"])(fully_decorated)
fully_decorated = require_GET(fully_decorated)
fully_decorated = require_POST(fully_decorated)
fully_decorated = require_safe(fully_decorated)
# django.views.decorators.vary
fully_decorated = vary_on_headers('Accept-language')(fully_decorated)
fully_decorated = vary_on_cookie(fully_decorated)
def compose(*functions):
# compose(f, g)(*args, **kwargs) == f(g(*args, **kwargs))
functions = list(reversed(functions))
def _inner(*args, **kwargs):
result = functions[0](*args, **kwargs)
for f in functions[1:]:
result = f(result)
return result
return _inner
# django.views.decorators.cache
fully_decorated = cache_page(60*15)(fully_decorated)
fully_decorated = cache_control(private=True)(fully_decorated)
fully_decorated = never_cache(fully_decorated)
# django.contrib.auth.decorators
# Apply user_passes_test twice to check #9474
fully_decorated = user_passes_test(lambda u:True)(fully_decorated)
fully_decorated = login_required(fully_decorated)
fully_decorated = permission_required('change_world')(fully_decorated)
full_decorator = compose(
# django.views.decorators.http
require_http_methods(["GET"]),
require_GET,
require_POST,
require_safe,
# django.contrib.admin.views.decorators
fully_decorated = staff_member_required(fully_decorated)
# django.views.decorators.vary
vary_on_headers('Accept-language'),
vary_on_cookie,
# django.utils.functional
fully_decorated = memoize(fully_decorated, {}, 1)
fully_decorated = allow_lazy(fully_decorated)
fully_decorated = lazy(fully_decorated)
# django.views.decorators.cache
cache_page(60*15),
cache_control(private=True),
never_cache,
# django.contrib.auth.decorators
# Apply user_passes_test twice to check #9474
user_passes_test(lambda u:True),
login_required,
permission_required('change_world'),
# django.contrib.admin.views.decorators
staff_member_required,
# django.utils.functional
lambda f: memoize(f, {}, 1),
allow_lazy,
lazy,
)
fully_decorated = full_decorator(fully_decorated)
class DecoratorsTest(TestCase):