Ryth Azhur
3aafec6dd4
The IR called them react-message and django-message, so a FastAPI channel had to declare a DjangoMessage. They are client-message and server-message now, and the direction words hold wherever a channel is declared: Params / ClientMessage / ServerMessage, with mizan-core deriving <Pascal>Params and friends so no backend names a type itself. Django's ReactChannel and FastAPI's ReactChannel are both Channel. mizan-fastapi never registered a channels extension, so build_ir() emitted no channel at all and every payload type was invisible to codegen. It registers one now. RegistryExtension is an ABC requiring all(), which is what the IR reads — an extension that cannot enumerate its registrations no longer exists. The gate that should have caught the rename could not: tests/afi registered no channel because mizan-rust had no channel registry to register one in, so a five-package rename of the wire contract passed byte-parity without a channel byte crossing it. mizan-rust grows ChannelSlotKind, a CHANNELS slice, a #[mizan::channel] macro, and KDL emission whose wire_to_pascal matches Python's split; the AFI fixture now carries a channel with every slot and one with a single slot, so all three backends prove the contract byte for byte. MizanChannel held three Option<String> beside three has_*() predicates and unwrapped them with defaults; it holds an ordered slot vector, so an absent slot is absent rather than defaulted. The channels target emitted a React hooks file that a stage1-only consumer could not compile — react emits that now. The codegen's parity tests byte-compared emitted source against baselines without ever compiling it: they compile the generated crate and run its tests, import the generated Python package and call every method, and typecheck each TypeScript target against a consumer. Also fixed at source: app_visitor printed its import diagnostic to stdout, the stream export_mizan_ir writes KDL to, so a failed import silently corrupted the IR; the apps root was hardcoded to "apps"; _default_literal crashed build_ir on any non-JSON-serializable field default; Django and mizan-core derived Pascal names two different ways, disagreeing on every dotted channel name. ir.py builds a document and renders templates/ir/document.kdl.j2 rather than appending KDL strings with hand-tracked indentation, and named types resolve to a fixed point — a model reachable only through a union branch was referenced by a ref that no type block ever defined. The rest is the write-gate's own classifiers run over the standing tree: relative imports, silent swallows, Protocol contracts that should be ABCs, emitters hand-rendering target source, catch-all arms over closed enums, and comments narrating the project rather than the code. Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>
87 lines
2.1 KiB
Python
87 lines
2.1 KiB
Python
"""Django settings for the integration-test backend the E2E harness talks to."""
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import os
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from pathlib import Path
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# The directory holding manage.py and the app packages; mizan's client
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# discovery walks the installed apps beneath it.
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BASE_DIR = Path(__file__).resolve().parent.parent
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SECRET_KEY = "integration-test-secret-key-not-for-production"
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DEBUG = True
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ALLOWED_HOSTS = ["*"]
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INSTALLED_APPS = [
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"django.contrib.auth",
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"django.contrib.contenttypes",
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"django.contrib.sessions",
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"mizan",
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"testapp",
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]
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AUTH_USER_MODEL = "testapp.EmailUser"
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MIDDLEWARE = [
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"django.contrib.sessions.middleware.SessionMiddleware",
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"django.middleware.csrf.CsrfViewMiddleware",
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"django.contrib.auth.middleware.AuthenticationMiddleware",
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]
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ROOT_URLCONF = "testapp.urls"
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TEMPLATES = [
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{
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"BACKEND": "mizan.ssr.MizanTemplates",
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"DIRS": [os.path.join(os.path.dirname(__file__), "..", "..", "frontend")],
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"OPTIONS": {
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"worker": os.path.join(
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os.path.dirname(__file__), "..", "..", "..", "..",
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"workers", "mizan-ssr", "src", "worker.tsx",
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),
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},
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},
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]
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DATABASES = {
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"default": {
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"ENGINE": "django.db.backends.sqlite3",
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"NAME": os.path.join(os.path.dirname(__file__), "..", "db.sqlite3"),
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}
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}
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DEFAULT_AUTO_FIELD = "django.db.models.BigAutoField"
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ASGI_APPLICATION = "testapp.asgi.application"
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# JWT
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JWT_PRIVATE_KEY = "integration-test-jwt-secret-key"
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JWT_ALGORITHM = "HS256"
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# Channel layers — Redis when available, in-memory fallback for local dev
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REDIS_URL = os.environ.get("REDIS_URL", "")
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if REDIS_URL:
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CHANNEL_LAYERS = {
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"default": {
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"BACKEND": "channels_redis.core.RedisChannelLayer",
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"CONFIG": {"hosts": [REDIS_URL]},
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},
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}
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else:
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CHANNEL_LAYERS = {
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"default": {
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"BACKEND": "channels.layers.InMemoryChannelLayer",
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},
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}
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# Session
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SESSION_ENGINE = "django.contrib.sessions.backends.db"
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# CORS — allow React dev server
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CSRF_TRUSTED_ORIGINS = [
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"http://localhost:3000",
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"http://localhost:5173",
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"http://localhost:5174",
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]
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