mirror of
https://github.com/jointakahe/takahe.git
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8f57aa5f37
Redoes the UI to remove timelines, promote domains, and a lot of other things to support the refactor.
69 lines
1.9 KiB
Python
69 lines
1.9 KiB
Python
from collections.abc import Callable
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from functools import partial, wraps
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from typing import ParamSpecArgs, ParamSpecKwargs
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from django.http import HttpRequest
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from django.views.decorators.cache import cache_page as dj_cache_page
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from core.models import Config
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VaryByFunc = Callable[[HttpRequest, ParamSpecArgs, ParamSpecKwargs], str]
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def vary_by_ap_json(request, *args, **kwargs) -> str:
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"""
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Return a cache usable string token that is different based upon Accept
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header.
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"""
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if request.ap_json:
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return "ap_json"
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return "not_ap"
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def cache_page(
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timeout: int | str = "cache_timeout_page_default",
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*,
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key_prefix: str = "",
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public_only: bool = False,
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vary_by: VaryByFunc | list[VaryByFunc] | None = None,
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):
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"""
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Decorator for views that caches the page result.
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timeout can either be the number of seconds or the name of a SystemOptions
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value.
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If public_only is True, requests with an identity are not cached.
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"""
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_timeout = timeout
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_prefix = key_prefix
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if callable(vary_by):
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vary_by = [vary_by]
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def decorator(function):
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@wraps(function)
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def inner(request, *args, **kwargs):
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if public_only:
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if request.user.is_authenticated:
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return function(request, *args, **kwargs)
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prefix = [_prefix]
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if isinstance(vary_by, list):
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prefix.extend([vfunc(request, *args, **kwargs) for vfunc in vary_by])
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prefix = "".join(prefix)
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if isinstance(_timeout, str):
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timeout = getattr(Config.system, _timeout)
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else:
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timeout = _timeout
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return dj_cache_page(timeout=timeout, key_prefix=prefix)(function)(
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request, *args, **kwargs
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)
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return inner
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return decorator
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cache_page_by_ap_json = partial(cache_page, vary_by=[vary_by_ap_json])
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