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from functools import partial, wraps
from django.views.decorators.cache import cache_page as dj_cache_page
from core.models import Config
def cache_page(
timeout: int | str = "cache_timeout_page_default",
*,
per_identity: bool = False,
key_prefix: str = "",
):
"""
Decorator for views that caches the page result.
timeout can either be the number of seconds or the name of a SystemOptions
value.
"""
if isinstance(timeout, str):
timeout = Config.lazy_system_value(timeout)
def decorator(function):
@wraps(function)
def inner(request, *args, **kwargs):
prefix = key_prefix
if per_identity:
identity_id = request.identity.pk if request.identity else "0"
prefix = f"{key_prefix or ''}:ident{identity_id}"
_timeout = timeout
if callable(_timeout):
_timeout = _timeout()
return dj_cache_page(timeout=_timeout, key_prefix=prefix)(function)(
request, *args, **kwargs
)
return inner
return decorator
per_identity_cache_page = partial(cache_page, per_identity=True)
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