Serve the document from a Django backend, split into three tiers
Step 9. The tier split was the work; Django was the easy half.
Tier 1 — the authored scene — is the document, and it is addressed as
independently versioned leaves rather than saved whole, so one vertex drag
cannot clobber a collaborator's keying. `domain/leaf` is the document as
path -> value; `domain/wire` puts it on the wire as transit, because JSON
has neither integer map keys nor keywords and a save would quietly turn
`{0 v}` into `{"0" v}`.
Tier 2 — the dense channel blocks — is content-addressed by a hash over
every input, with the detector version inside every key through the
analysis the block descriptor names. `flow/address`'s `block-knobs` is the
invalidation table, and `address-test` does not trust it: it re-freezes the
take once per knob and asserts the biconditional, that a block's bytes
changed if and only if its key changed. That found `brow-pos` not depending
on `contour-avg` — the brow ring is smoothed, the raise is not.
Tier 3 — frames and audio — is served by the hash of its bytes out of the
same store. A manifest now names frames and carries a URL for each, so the
frame layout stopped being a shared secret between a shell script and a
ClojureScript namespace, and the `?v=` cache-buster went with it: a blob's
name is the hash of its contents, so a stale copy is not a thing that can
happen. The synthetic take's `audio.wav` moved to `static/arthur/` — an
asset the project owns, not an extraction that churns.
The server verifies rather than trusting a name it was handed: it
recomputes every key from the descriptor stored beside it, refuses an
analysis that declares no detector version, and refuses a document naming
blocks it does not hold. It hashes the descriptor TEXT, because JS prints
an integral double as `1` and Python as `1.0`, and a scheme where both ends
re-render the numbers disagrees on the first parameter that happens to be
whole.
Two loose ends from step 8 closed on the way. `pack` no longer takes a
`(track, frame)` predicate whose call sites each re-derived a feature from
an index — every track names the feature it follows, which deleted five
hand-maintained mappings. And `:dev-http` is gone: Django serves the page,
shadow-cljs only builds into the staticfiles tree.
227 CLJS tests, 31 Django tests, green.
Co-Authored-By: Claude Opus 5 <noreply@anthropic.com>
2026-09-28 01:11:41 -04:00
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from django.contrib import admin
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from django.urls import include, path
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from clips import views
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urlpatterns = [
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# `/index.html` as well as `/`, because that is the URL the browser suite has
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# used since step 5 — shadow-cljs's dev server did no directory-index
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# resolution, so the suite learned to ask for the file. Keeping both means
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# ARTHUR_URL can stay pointed at the same place and only the port moves.
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path("", views.page, name="page"),
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path("index.html", views.page),
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2026-09-29 22:04:03 -04:00
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# A project's own address, with its name as a slug for people to read. The
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# same page; the client reads the id out of the path and opens it.
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path("p/<uuid:project_id>", views.page),
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path("p/<uuid:project_id>/<slug:slug>", views.page),
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Serve the document from a Django backend, split into three tiers
Step 9. The tier split was the work; Django was the easy half.
Tier 1 — the authored scene — is the document, and it is addressed as
independently versioned leaves rather than saved whole, so one vertex drag
cannot clobber a collaborator's keying. `domain/leaf` is the document as
path -> value; `domain/wire` puts it on the wire as transit, because JSON
has neither integer map keys nor keywords and a save would quietly turn
`{0 v}` into `{"0" v}`.
Tier 2 — the dense channel blocks — is content-addressed by a hash over
every input, with the detector version inside every key through the
analysis the block descriptor names. `flow/address`'s `block-knobs` is the
invalidation table, and `address-test` does not trust it: it re-freezes the
take once per knob and asserts the biconditional, that a block's bytes
changed if and only if its key changed. That found `brow-pos` not depending
on `contour-avg` — the brow ring is smoothed, the raise is not.
Tier 3 — frames and audio — is served by the hash of its bytes out of the
same store. A manifest now names frames and carries a URL for each, so the
frame layout stopped being a shared secret between a shell script and a
ClojureScript namespace, and the `?v=` cache-buster went with it: a blob's
name is the hash of its contents, so a stale copy is not a thing that can
happen. The synthetic take's `audio.wav` moved to `static/arthur/` — an
asset the project owns, not an extraction that churns.
The server verifies rather than trusting a name it was handed: it
recomputes every key from the descriptor stored beside it, refuses an
analysis that declares no detector version, and refuses a document naming
blocks it does not hold. It hashes the descriptor TEXT, because JS prints
an integral double as `1` and Python as `1.0`, and a scheme where both ends
re-render the numbers disagrees on the first parameter that happens to be
whole.
Two loose ends from step 8 closed on the way. `pack` no longer takes a
`(track, frame)` predicate whose call sites each re-derived a feature from
an index — every track names the feature it follows, which deleted five
hand-maintained mappings. And `:dev-http` is gone: Django serves the page,
shadow-cljs only builds into the staticfiles tree.
227 CLJS tests, 31 Django tests, green.
Co-Authored-By: Claude Opus 5 <noreply@anthropic.com>
2026-09-28 01:11:41 -04:00
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path("api/", include("clips.urls")),
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path("blob/<str:digest>", views.blob, name="blob"),
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path("admin/", admin.site.urls),
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]
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