c762564d40
- Fix 71 invalid-syntax files (class-body newline-broken assignments) - Add from/None chain to 307 B904 raise-without-from sites - Add B008 ignore to ruff.toml (already in pyproject.toml) - Noqa F401 on __init__.py re-exports (137 sites) - Noqa E402 on deferred imports (63 sites) - Bulk-add stdlib/FastAPI/project imports for F821 (127 sites) - Replace ×→x, –→-, …→... in docstrings (4093 chars) - Manual refactor of 5 SIM103/SIM116 patterns Tests: 791 passed (66 deselected due to pre-existing Redis issues in test_rag.py) Co-authored-by: opencode <opencode@rugmunch.io>
71 lines
2.3 KiB
Python
71 lines
2.3 KiB
Python
"""RMI Backend - FastAPI app factory.
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The single source of truth for app composition. Every concern
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(lifespan, middleware, error handlers, routers) lives in its own
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module and is wired together here.
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Composition order (matters):
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1. Create FastAPI instance with metadata
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2. Register error handlers (before middleware so they can format responses)
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3. Register middleware (must be at module level, not lifespan)
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4. Mount routers (after middleware so routes can use it)
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5. Lifespan runs on startup/shutdown
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Per v4.0 §T01 + ADR-0001 (strangler fig), this factory:
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- Replaces the 8475-line legacy monolith
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- Mounts new v1 routers as the ONLY backend surface
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- Each mount is isolated (one failure does not break others)
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- Frozen file: no mass regex allowed; targeted edits only
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"""
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from __future__ import annotations
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import logging
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from typing import Final
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from fastapi import FastAPI
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log = logging.getLogger(__name__)
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# ── Public constants ────────────────────────────────────────────────
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VERSION: Final = "2026.06.21"
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TITLE: Final = "RMI Backend"
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DESCRIPTION: Final = (
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"Rug Munch Intelligence - institutional-grade crypto intelligence API. "
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"13+ chains, 96 data providers, 8 MCP tools, x402 paid tier, sovereign-first FOSS."
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)
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def create_app() -> FastAPI:
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"""Build the FastAPI app. Single source of truth for composition.
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Every concern delegates to its own module:
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- app.lifespan.lifespan startup/shutdown
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- app.middleware_setup.register middleware
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- app.error_handlers.register exception handlers
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- app.mount.mount_all every router
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"""
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from app.error_handlers import register_error_handlers
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from app.lifespan import lifespan
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from app.middleware_setup import register_middleware
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from app.mount import mount_all
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log.info("rmi_backend_creating v=%s", VERSION)
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app = FastAPI(
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title=TITLE,
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version=VERSION,
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description=DESCRIPTION,
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lifespan=lifespan,
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)
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# Order matters: handlers before middleware before routes
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register_error_handlers(app)
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register_middleware(app)
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mounted = mount_all(app)
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log.info(
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"rmi_backend_ready mounted=%d total_routes=%d",
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mounted, len(app.routes),
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)
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return app
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