gendesign/tradein-mvp/backend/app/services
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fix(scrapers): cian full_load anti-zombie — per-fetch wait_for + heartbeat внутри бакета (#1949)
Два связанных фикса из диагностики 2026-06-27:

ФИКС C (run_cian_full_load, per-fetch timeout): monkey-patch _browser.fetch →
asyncio.wait_for(_f(url), timeout=cian_full_load_per_fetch_timeout_s=90s).
BrowserFetcher.fetch имеет httpx-timeout 120s, но browser-сервис иногда виснет
так что httpx не получает ответ (нет EOF) → fetch висит → asyncio.gather
блокирует весь bucket → heartbeat_at не обновляется → reap_zombies убивает живой run.
wait_for(90s) отменяет зависший fetch → TimeoutError → _fetch_page_html ловит
как Exception → None → _one_page → [] → gather завершается нормально.
За флагом (cian_full_load_per_fetch_timeout_s=0 = отключить, >0 = включить).

ФИКС D (background heartbeat): asyncio.create_task(_background_heartbeat())
обновляет heartbeat_at каждые 60s независимо от on_bucket/on_progress прогресса.
Без него пустые bucket или зависший gather замораживает heartbeat на несколько часов.
Task отменяется в finally → не течёт при return/raise/cancel.

Новая настройка (ENV):
  CIAN_FULL_LOAD_PER_FETCH_TIMEOUT_S=90.0  — timeout одного browser-fetch
2026-06-27 11:32:42 +03:00
..
exporters fix(tradein): trade-in PDF cover uses estimate.expires_at, not hardcoded +30d (#1530) 2026-06-17 20:27:57 +03:00
matching fix(matching): conflict_resolution picks freshest (last_seen_at) value, deterministic (#1539) 2026-06-17 22:43:59 +03:00
scrapers fix(scrapers): save_listings — UPDATE by (source,source_id) при dedup_hash-дрейфе (avito_full_load краш) 2026-06-26 19:10:12 +03:00
__init__.py feat: add tradein-mvp subproject (Trade-In Estimator под /trade-in) 2026-05-21 00:25:39 +03:00
account_quota.py fix(tradein): atomic conditional quota increment — close TOCTOU (#747) (#749) 2026-05-30 15:52:34 +00:00
brand.py feat: add tradein-mvp subproject (Trade-In Estimator под /trade-in) 2026-05-21 00:25:39 +03:00
cache.py feat(tradein): Phase 3.2 — /api/v1/search endpoint + Redis cache (#479) 2026-05-23 14:44:22 +00:00
cian_price_history.py fix(week-review): автофиксы код-ревью — 169 issue (label «week ревью 1») 2026-06-15 20:21:11 +05:00
cian_session.py feat(tradein): dedicated Cian mobile proxy — separate egress from Avito (#923) 2026-05-31 19:30:14 +00:00
dadata.py fix(week-review): автофиксы код-ревью — 169 issue (label «week ревью 1») 2026-06-15 20:21:11 +05:00
estimator.py fix(estimator): deterministic comp tie-breaker + n_analogs counts priced analogs 2026-06-27 05:57:04 +05:00
geocoder.py fix(tradein): drop non-EKB avito detail coords on ingest (audit #1871 P2) 2026-06-23 14:33:10 +05:00
house_dedup_merge.py feat(tradein): recurring house-dedup merge (schedule dormant) (#1772) (#1933) 2026-06-26 21:39:30 +00:00
house_imv_backfill.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
house_metadata.py feat(tradein): postgres_fdw live read of gendesign.cad_buildings (replaces snapshot) (#493) 2026-05-24 08:57:30 +00:00
image_sanitizer.py fix(week-review): автофиксы код-ревью — 169 issue (label «week ревью 1») 2026-06-15 20:21:11 +05:00
rosreestr_poll.py feat(tradein): scheduled monthly Rosreestr new-quarter poll → ingest alert (#888) (#894) 2026-05-31 13:13:55 +00:00
sber_index.py fix(tradein): correct SberIndex hedonic/asking dataset-paths + 404 warning (#902) 2026-06-17 22:50:52 +03:00
scheduler.py feat(tradein): recurring house-dedup merge (schedule dormant) (#1772) (#1933) 2026-06-26 21:39:30 +00:00
scrape_pipeline.py fix(scrapers): cian full_load anti-zombie — per-fetch wait_for + heartbeat внутри бакета (#1949) 2026-06-27 11:32:42 +03:00
scrape_runs.py fix(tradein): persist scrape_runs.total_seen/new_count from sweep counters (#1926) (#1928) 2026-06-26 18:09:17 +00:00
scraper_settings.py chore(tradein): деактивировать N1.ru scraper — источник переехал в Cian 2026-06-16 14:50:51 +03:00
search_query.py feat(tradein): segment=vtorichka|novostroyki|all query-param on listings (#1188) 2026-06-17 21:43:01 +03:00
yandex_address_backfill.py fix(tradein): yandex address-enrich — city-agnostic title regex (спутники ЕКБ) (#875) 2026-05-31 09:08:29 +00:00
yandex_price_history.py feat(tradein): populate offer_price_history for yandex from gate price.previous/trend 2026-06-18 14:23:23 +03:00