gendesign/tradein-mvp/backend/app/tasks
bot-backend 81fc5e4014
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fix(tradein/avito): detect HTTP-200 soft-block as block + coords-priority backfill ordering (#1950, #1967)
Под нагрузкой Avito отдаёт HTTP 200 с общей витриной ("Авито — Объявления
на сайте Авито", без item-view) вместо detail-страницы — мягкий анти-бот
deflect. _is_firewall_page (3 IP-block маркера) её не ловил → parse падал
ValueError("Cannot extract item_id") → generic failed, blocked=0, IP не
ротировался, enriched каскадно падал к 0 (прод runs 431→437: 115→0).

FIX 2: _is_detail_soft_block() (нет item-view + generic <title> в первых 16KB)
OR-ится в is_firewall в обоих путях fetch_detail (curl + browser) → soft-block
проходит существующую 403/firewall reconnect-машинерию (свежий backconnect
exit-IP) либо после MAX_RETRIES → AvitoBlockedError → loop-ротация.

FIX 1: snapshot ORDER BY (lat IS NULL) DESC, scraped_at DESC NULLS LAST —
сперва листинги без координат (detail-страница даёт координаты здания, #1967).

Tests: test_avito_detail_soft_block.py (reconnect-escape, exhausted->blocked,
unit-detector) + lat-priority assert в snapshot-тесте.
2026-06-28 10:51:18 +03:00
..
__init__.py feat(tradein): search matview + indexes (Phase 3.1) (#469) 2026-05-23 14:01:18 +00:00
asking_to_sold_ratio.py fix(tradein/estimator): remove dead tier-aware-ratio path — truncation artifact + footgun (#2002) 2026-06-27 17:34:54 +00:00
avito_detail_backfill.py fix(tradein/avito): detect HTTP-200 soft-block as block + coords-priority backfill ordering (#1950, #1967) 2026-06-28 10:51:18 +03:00
backfill_listings_coords_geoportal.py feat(tradein): бэкфилл координат листингов из ekb_geoportal_buildings (street+house match) 2026-06-20 17:08:46 +03:00
cadastral_geo_match.py fix(cadastral): single-statement match UPDATE — OFFSET chunk skipped rows 2026-06-18 10:28:19 +03:00
cian_history_backfill.py feat(browser): per-source proxy pool behind FEATURE_BROWSER_POOL_ENABLED (Phase 1) 2026-06-18 09:01:50 +03:00
deactivate_stale_avito.py feat(scrapers): segment-aware generic deactivate_stale for yandex/cian (#1558) 2026-06-16 16:09:19 +00:00
ekb_geoportal_ingest.py feat(tradein): EKB geoportal building ingest + geocoder tier (complete city buildings) 2026-06-19 17:51:07 +03:00
geocode_missing.py fix(geocode): set geocode_tried_at on successful geocode UPDATE 2026-06-16 10:07:51 +03:00
listing_source_snapshot.py feat(tradein): per-source listing price history — schema + daily snapshot (#570) (#646) 2026-05-29 12:18:04 +00:00
newbuilding_enrich_backfill.py feat(tradein-scheduler): nightly newbuilding-enrichment schedule (#973) 2026-06-13 16:24:03 +05:00
refresh_search_matview.py feat(tradein): premium_houses MV + premium_building flag (#2002) 2026-06-27 16:40:39 +00:00
rosreestr_quarter_poll.py feat(tradein): scheduled monthly Rosreestr new-quarter poll → ingest alert (#888) (#894) 2026-05-31 13:13:55 +00:00
sber_index_pull.py feat(tradein): СберИндекс monthly city-level price index pull (#887, data-layer) (#890) 2026-05-31 12:44:56 +00:00
yandex_address_backfill.py feat(tradein): schedule yandex address backfill task (#855) (#866) 2026-05-31 07:31:10 +00:00
yandex_detail_backfill.py fix(tradein): review minors — scheduler comment + save-error log label 2026-06-16 14:14:07 +03:00
yandex_newbuilding_sweep.py fix(tradein): yandex sweep — guard ext_id=NULL перед fetch_jk + cleanup httpx (#974 review M1/M3) 2026-06-15 18:41:08 +03:00