gendesign/tradein-mvp/backend/app/services/scrapers
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: add tradein-mvp subproject (Trade-In Estimator под /trade-in) 2026-05-21 00:25:39 +03:00
avito.py fix(avito): post-merge polish — unify fetch_mode guard + empty-render guard (#1811) (#1909) 2026-06-26 07:44:22 +00:00
avito_detail.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
avito_exceptions.py fix(tradein): avito content-block (HTTP-200) не маскируется под end-of-pagination (Refs #754) (#779) 2026-05-30 16:28:23 +00:00
avito_houses.py fix(scrapers): avito ban-triggered IP rotation (#1790) — changeip on block, bounded 2026-06-20 21:24:12 +03:00
avito_imv.py feat(tradein-imv): route IMV backfill через BrowserFetcher.fetch_json за dormant-флагом (#915 Stage 3) (#1916) 2026-06-26 09:54:28 +00:00
base.py feat(tradein/cian): promote kitchen/mortgage/apartments + normalize house_type (#2008) 2026-06-27 18:01:50 +00:00
browser_fetcher.py feat(tradein-imv): route IMV backfill через BrowserFetcher.fetch_json за dormant-флагом (#915 Stage 3) (#1916) 2026-06-26 09:54:28 +00:00
cian.py feat(tradein/cian): promote kitchen/mortgage/apartments + normalize house_type (#2008) 2026-06-27 18:01:50 +00:00
cian_detail.py fix(scrapers): cian_detail — ceiling/repair актуальные пути state (#1791) 2026-06-19 19:57:18 +03:00
cian_newbuilding.py feat(browser): per-source proxy pool behind FEATURE_BROWSER_POOL_ENABLED (Phase 1) 2026-06-18 09:01:50 +03:00
cian_state_parser.py fix(tradein): cian _cianConfig concat-формат + auth из header-frontend (#639) (#819) 2026-05-30 19:08:01 +00:00
cian_valuation.py fix(tradein): Mera-audit fix-1 — Cian valuation price sanity bounds 2026-06-21 09:02:32 +03:00
domclick.py feat(tradein/domclick): enrich Layer A SERP parser — description, repair-inference, minhash, seller 2026-06-27 16:35:25 +03:00
domclick_exceptions.py fix(tradein/domclick): rewrite dead scraper to BFF JSON API + honest status (#1846, #1968) 2026-06-27 13:57:07 +03:00
ekb_geoportal_client.py fix(tradein): verify=False for EKB geoportal WFS (Russian-CA cert) 2026-06-19 18:19:03 +03:00
house_type_normalizer.py feat(tradein/yandex): normalize house_type + promote kitchen/ceiling to columns (#2007) 2026-06-27 17:45:11 +00:00
price_brackets.py perf(tradein): shared EKB seed price-brackets across avito/cian/yandex (city-dict ready for multi-city) 2026-06-18 17:55:55 +03:00
repair_state_normalizer.py fix(scrapers): cian_detail — ceiling/repair актуальные пути state (#1791) 2026-06-19 19:57:18 +03:00
snapshot_writer.py fix(tradein): implement listings_snapshots + offer_price_history writers (#567) (#624) 2026-05-28 13:49:52 +00:00
yandex_detail.py fix(scrapers): yandex_detail — area/ceiling из структурного блока, покрытие area 63%->~95% (#1792) 2026-06-19 19:37:51 +03:00
yandex_helpers.py fix(tradein): Yandex listing_date — keyword + absolute-no-year (#602) 2026-05-27 13:11:22 +00:00
yandex_newbuilding.py feat(browser): per-source proxy pool behind FEATURE_BROWSER_POOL_ENABLED (Phase 1) 2026-06-18 09:01:50 +03:00
yandex_realty.py feat(tradein/yandex): normalize house_type + promote kitchen/ceiling to columns (#2007) 2026-06-27 17:45:11 +00:00
yandex_valuation.py fix(tradein): route yandex/valuation/imv/newbuilding scrapers через scraper_proxy_url (#860) 2026-05-31 07:04:31 +00:00