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FabledCurator/backend/app/services/subscribestar_ingester.py
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feat(pixiv): flip dispatch to the native ingester (#129 step 4)
pixiv joins NATIVE_INGESTER_PLATFORMS: download/verify/preview and the
recover/recapture UI actions now route through PixivIngester. Campaign id is
parsed straight from the source URL (numeric user id — no network resolver),
with a platform-aware resolution-failure message. auth_token now rides the
uniform adapter construction (token platforms use it, cookie platforms
accept-and-ignore), and the preview endpoint fetches/threads it. The legacy
gallery-dl pixiv path is fully removed (PLATFORM_DEFAULTS entry + the
refresh-token config branches in download/verify) per no-legacy policy;
gallery-dl keeps hentaifoundry/discord/deviantart until they migrate/retire.

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01CDgx8bQS5YrGRK76v8HUnM
2026-07-03 09:54:18 -04:00

115 lines
4.5 KiB
Python

"""Native SubscribeStar ingester — the SubscribeStar ADAPTER over the
platform-agnostic core (`ingest_core.Ingester`).
Thin counterpart to patreon_ingester: wires the SubscribeStar client/downloader/
ledger models/constraints/key into the core and supplies the SubscribeStar
failure mapping. The three modes (tick / backfill / recovery / recapture), the
seen + dead-letter ledgers, cursor checkpointing, and the post-first capture all
live in the core — identical to Patreon. `download_service.download_source`
drives `SubscribeStarIngester.run` exactly as it drives the Patreon one.
`campaign_id` is the creator URL (the client derives host + slug from it), so no
campaign-id resolver is needed. FC runs on a plain-HTTP homelab; nothing here
uses a secure-context Web API.
"""
from __future__ import annotations
import asyncio
import logging
from collections.abc import Callable
from pathlib import Path
from ..models import SubscribeStarFailedMedia, SubscribeStarSeenMedia
from .ingest_core import DEAD_LETTER_THRESHOLD, Ingester
from .subscribestar_client import MediaItem, SubscribeStarAPIError, SubscribeStarClient
from .subscribestar_downloader import SubscribeStarDownloader
__all__ = [
"DEAD_LETTER_THRESHOLD",
"SubscribeStarIngester",
"_ledger_key",
"verify_subscribestar_credential",
]
log = logging.getLogger(__name__)
_LEDGER_KEY_MAX = 128
def _ledger_key(media: MediaItem) -> str:
"""Stable per-media identity for the cross-run seen-ledger. SubscribeStar's
full-res URL is an opaque `/post_uploads?payload=...` (no content hash), so
`media.filehash` is normally None and the stable proxy is the gallery item id
scoped to its post: `<post_id>:<media_id>`. Bounded to the column width."""
if media.filehash:
return media.filehash
return f"{media.post_id}:{media.media_id}"[:_LEDGER_KEY_MAX]
class SubscribeStarIngester(Ingester):
"""Walk a SubscribeStar creator's posts, download unseen media, return a
`DownloadResult`. A thin adapter over `ingest_core.Ingester`; `client` /
`downloader` are injectable seams so unit tests run without network."""
def __init__(
self,
images_root: Path,
cookies_path: str | None,
session_factory: Callable[[], object],
*,
validate: bool = True,
rate_limit: float = 0.0,
request_sleep: float = 0.0,
auth_token: str | None = None,
client: SubscribeStarClient | None = None,
downloader: SubscribeStarDownloader | None = None,
):
# auth_token: accepted for the uniform native-ingester construction
# (download_backends passes it to every adapter); SubscribeStar
# authenticates by cookies, so it's unused here.
del auth_token
self.images_root = Path(images_root)
self.cookies_path = str(cookies_path) if cookies_path else None
resolved_client = (
client
if client is not None
else SubscribeStarClient(cookies_path, request_sleep=request_sleep)
)
resolved_downloader = (
downloader
if downloader is not None
else SubscribeStarDownloader(
self.images_root, cookies_path, validate=validate, rate_limit=rate_limit,
)
)
super().__init__(
client=resolved_client,
downloader=resolved_downloader,
session_factory=session_factory,
seen_model=SubscribeStarSeenMedia,
failed_model=SubscribeStarFailedMedia,
seen_constraint="uq_subscribestar_seen_media_source_id",
failed_constraint="uq_subscribestar_failed_media_source_id",
ledger_key=_ledger_key,
platform="subscribestar",
error_base=SubscribeStarAPIError,
# API_DRIFT message phrasing; the base Ingester._failure_result owns
# the auth/drift/HTTP→error_type mapping (shared across platforms).
drift_label="SubscribeStar markup",
)
async def verify_subscribestar_credential(
url: str,
cookies_path: str | None,
overrides: dict | None,
) -> tuple[bool | None, str]:
"""Native SubscribeStar credential probe — fetches ONE feed page via
SubscribeStarClient.verify_auth. `campaign_id` is just the creator URL (no
resolver). Returns the uniform `(ok, message)` contract so
download_backends.verify_credential treats it like the gallery-dl probe."""
client = SubscribeStarClient(cookies_path)
loop = asyncio.get_running_loop()
return await loop.run_in_executor(None, client.verify_auth, url)