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Diffstat (limited to 'testing/web-platform/tests/tools/wptserve/docs/stash.rst')
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diff --git a/testing/web-platform/tests/tools/wptserve/docs/stash.rst b/testing/web-platform/tests/tools/wptserve/docs/stash.rst new file mode 100644 index 000000000..821c2d344 --- /dev/null +++ b/testing/web-platform/tests/tools/wptserve/docs/stash.rst @@ -0,0 +1,31 @@ +Stash +===== + +Object for storing cross-request state. This is unusual in that keys +must be UUIDs, in order to prevent different clients setting the same +key, and values are write-once, read-once to minimise the chances of +state persisting indefinitely. The stash defines two operations; +`put`, to add state and `take` to remove state. Furthermore, the view +of the stash is path-specific; by default a request will only see the +part of the stash corresponding to its own path. + +A typical example of using a stash to store state might be:: + + @handler + def handler(request, response): + # We assume this is a string representing a UUID + key = request.GET.first("id") + + if request.method == "POST": + request.server.stash.put(key, "Some sample value") + return "Added value to stash" + else: + value = request.server.stash.take(key) + assert request.server.stash.take(key) is None + return key + +:mod:`Interface <stash>` +------------------------ + +.. automodule:: wptserve.stash + :members: |