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app/services/bulk_import.py fetches and parses TMDb's daily ID export files (published once a day specifically for full-catalog sync, unlike /discover which caps at 10,000 results per query) -- today's file with a fallback to yesterday's, since TMDb publishes at a fixed time and "today's" may not exist yet. app/scripts/bulk_import.py is a standalone ops script (not an arq task, since enqueueing millions of jobs would blow past arq's job_timeout) that fans every id from the export into the existing per-entity ingestion pipeline -- get_or_create_ingestion_job + the same arq task each admin endpoint already uses, so a single id's behavior is identical whether it came from the admin API or this script. Bounded concurrency (50) on the enqueue phase; idempotency-keyed jobs make interrupting and re-running the script safe. Real TMDb catalog size (checked live): ~1.24M movies, 231K series, 4.9M people, 9.8K collections -- ~6.4M entities. At default worker concurrency this is realistically weeks of continuous processing, not hours, documented as such in README.md. Also added 429 (rate-limited) handling to TMDbProvider before running this at volume: previously a 429 fell into the generic >=400 branch and failed the request outright with zero retry, since only httpx.TransportError triggered the existing retry decorator. Now a 429 raises ProviderRateLimitedError carrying the response's own Retry-After hint, and tenacity's wait strategy honors that hint directly instead of guessing via exponential backoff. Co-Authored-By: Claude Sonnet 5 <[email protected]>
75 lines
2.8 KiB
Python
75 lines
2.8 KiB
Python
"""Provider abstraction (section 13).
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A `MetadataProvider` fetches **raw**, unnormalized data from one external
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source. It never writes to the database and never returns Aurora entities —
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that's the normalizer/matcher/ingestion pipeline's job (see
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`app/services/metadata/` and `app/services/ingestion/`). This keeps adapters
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replaceable: swapping TMDb for another provider means writing a new class
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here, not touching ingestion logic.
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"""
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from __future__ import annotations
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from abc import ABC, abstractmethod
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from typing import Any
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class ProviderError(Exception):
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"""Raised for any provider-side failure (auth, not-found, rate limit,
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network). Ingestion jobs catch this and record it, they don't crash."""
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class ProviderNotConfiguredError(ProviderError):
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"""Raised when a required credential (e.g. TMDB_API_KEY) is missing."""
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class ProviderNotFoundError(ProviderError):
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"""Raised when the provider has no record for the given external ID."""
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class ProviderRateLimitedError(ProviderError):
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"""Raised when the provider responds 429. Carries how long the provider
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itself asked callers to wait (`Retry-After`, seconds) so a caller can
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back off by the right amount rather than guessing — see
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`app/providers/tmdb.py:TMDbProvider._get` for where this is retried."""
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def __init__(self, message: str, *, retry_after: float) -> None:
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super().__init__(message)
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self.retry_after = retry_after
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class MetadataProvider(ABC):
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slug: str
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name: str
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@abstractmethod
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async def get_movie(self, external_id: str) -> dict[str, Any]:
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"""Fetch raw movie data, including credits/images/videos/keywords/
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alternate titles/external IDs/release dates where the provider
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supports fetching them in one call."""
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@abstractmethod
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async def get_series(self, external_id: str) -> dict[str, Any]:
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"""Fetch raw series data (without season/episode bodies)."""
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@abstractmethod
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async def get_season(self, series_external_id: str, season_number: int) -> dict[str, Any]:
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"""Fetch raw season data, including its episodes."""
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@abstractmethod
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async def get_person(self, external_id: str) -> dict[str, Any]:
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"""Fetch raw person data, including external IDs and images."""
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@abstractmethod
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async def get_collection(self, external_id: str) -> dict[str, Any]:
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"""Fetch raw collection/franchise data: name, overview, poster/
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backdrop, and its member movies (TMDb's "parts")."""
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@abstractmethod
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async def search_movie(self, query: str) -> list[dict[str, Any]]:
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"""Search this provider's catalog for movies matching `query`. Used
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to seed ingestion, not exposed directly to API clients."""
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async def aclose(self) -> None:
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"""Release any held resources (HTTP clients, ...). Optional."""
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