fix(scrape-objective): stream-parse lots_pf via ijson to avoid OOM (#315)

backend/app/services/scrapers/objective.py

@@ -26,6 +26,8 @@ from __future__ import annotations
 import json
 import logging
 import time
+from collections.abc import Iterator
+from contextlib import contextmanager
 from datetime import date, datetime
 from typing import Any
 
@@ -238,6 +240,148 @@ class ObjectiveClient:
                 f"Невалидный JSON: {e}; первые 200 символов: {r.text[:200]}"
             ) from e
 
+    def _open_stream(
+        self,
+        path: str,
+        params: dict[str, Any],
+        *,
+        attempt: int = 0,
+        force_refresh_token: bool = False,
+    ) -> httpx.Response:
+        """Открывает streaming GET, возвращает httpx.Response (не читает тело).
+
+        Включает retry/auth логику идентичную _request_authed().
+        Caller обязан держать контекст через `with self._client.stream(...)` —
+        вызов делается внутри stream_report() который гарантирует закрытие.
+        """
+        token = self._get_token(force_refresh=force_refresh_token)
+        url = f"{self.base_url}{path}"
+        self._wait_rate_limit()
+        try:
+            r = self._client.send(
+                self._client.build_request(
+                    "GET",
+                    url,
+                    params=params,
+                    headers={"Authorization": f"Bearer {token}"},
+                ),
+                stream=True,
+            )
+        except httpx.HTTPError as e:
+            if attempt < self.retries:
+                wait = min(2**attempt, 30)
+                logger.warning(
+                    "Objective stream net-error %s (attempt %d/%d), retry in %ds",
+                    e,
+                    attempt + 1,
+                    self.retries,
+                    wait,
+                )
+                time.sleep(wait)
+                return self._open_stream(path, params, attempt=attempt + 1)
+            raise ObjectiveAPIError(
+                f"Сетевая ошибка stream после {self.retries} попыток: {e}"
+            ) from e
+
+        if r.status_code == 401:
+            r.close()
+            if not force_refresh_token:
+                logger.info("Objective stream: 401, рефрешим токен и повторяем")
+                return self._open_stream(path, params, attempt=attempt, force_refresh_token=True)
+            raise ObjectiveAuthError("401 даже после refresh токена — apiKey невалиден")
+
+        if r.status_code in (429, 502, 503, 504):
+            retry_after_hdr = r.headers.get("Retry-After")
+            r.close()
+            if attempt < self.retries:
+                if retry_after_hdr and retry_after_hdr.isdigit():
+                    wait = min(int(retry_after_hdr), 300)
+                else:
+                    wait = min(30 * (2**attempt), 300)
+                logger.warning(
+                    "Objective stream HTTP %s (attempt %d/%d), retry in %ds",
+                    r.status_code,
+                    attempt + 1,
+                    self.retries,
+                    wait,
+                )
+                time.sleep(wait)
+                return self._open_stream(path, params, attempt=attempt + 1)
+            raise ObjectiveAPIError(f"Stream HTTP {r.status_code} после ретраев")
+
+        if r.status_code != 200:
+            body_preview = r.read()[:200]
+            r.close()
+            raise ObjectiveAPIError(f"Stream HTTP {r.status_code}: {body_preview!r}")
+
+        return r
+
+    @contextmanager
+    def stream_report(
+        self,
+        *,
+        report_section: str = "Объединенные данные",
+        report_type: str = "Поквартирные",
+        report_name: str = "Лоты",
+        group_name: str | None = None,
+        complex_name: str | None = None,
+        start_date: date | str | None = None,
+        end_date: date | str | None = None,
+        use_ddu: bool | None = True,
+        use_dkp: bool | None = None,
+        page: str = "Отчеты",
+        v2: bool = True,
+    ) -> Iterator[httpx.Response]:
+        """Контекст-менеджер для streaming GetReport.
+
+        Usage:
+            with client.stream_report(report_type='Поквартирные', report_name='Лоты',
+                                       group_name='Свердловская область') as resp:
+                for chunk in resp.iter_bytes(65536):
+                    ...
+
+        Caller итерирует тело через resp.iter_bytes() или resp.iter_raw().
+        Метод НЕ вызывает .json() — всё чтение на стороне caller'а.
+        """
+        path = "/v2/Report/GetReport" if v2 else "/Report/GetReport"
+        params: dict[str, Any] = {
+            "Page": page,
+            "ReportSection": report_section,
+            "ReportType": report_type,
+            "ReportName": report_name,
+            "GroupName": group_name or settings.objective_default_group,
+        }
+        if complex_name:
+            params["ComplexName"] = complex_name
+        if start_date is not None:
+            params["StartDate"] = self._fmt_date(start_date)
+        if end_date is not None:
+            params["EndDate"] = self._fmt_date(end_date)
+        if v2:
+            if use_ddu is not None:
+                params["UseDdu"] = "true" if use_ddu else "false"
+            if use_dkp is not None:
+                params["UseDkp"] = "true" if use_dkp else "false"
+
+        logger.info(
+            "Objective.stream_report: %s/%s/%s gr=%s cn=%s ddu=%s dkp=%s",
+            report_section,
+            report_type,
+            report_name,
+            params["GroupName"],
+            complex_name,
+            use_ddu,
+            use_dkp,
+        )
+        resp = self._open_stream(path, params)
+        try:
+            yield resp
+        finally:
+            try:
+                resp.close()
+            except Exception:
+                pass
+
     # ── публичные методы отчётов ────────────────────────────────────────────
 
     @staticmethod

backend/app/workers/tasks/scrape_objective.py

@@ -99,9 +99,21 @@ def _save_raw(
     end_date: date | None,
     use_ddu: bool,
     use_dkp: bool,
-    payload: Any,
+    payload: Any | None = None,
 ) -> int:
+    """Сохраняет мета + payload в objective_raw_reports.
+
+    payload=None допустим для stream-parsed отчётов (lots_pf 600+ МБ).
+    В этом случае payload_size=0 и payload=NULL (после миграции 79).
+    """
+    if payload is not None:
         body = json.dumps(payload, ensure_ascii=False)
+        payload_param = body
+        size = len(body.encode("utf-8"))
+    else:
+        payload_param = None
+        size = 0
+
     row = db.execute(
         text(
             """
@@ -126,8 +138,8 @@ def _save_raw(
             "end_date": end_date,
             "use_ddu": use_ddu,
             "use_dkp": use_dkp,
-            "payload": body,
-            "size": len(body.encode("utf-8")),
+            "payload": payload_param,
+            "size": size,
         },
     ).scalar_one()
     db.commit()
@@ -230,9 +242,63 @@ def sync_objective_group(
             ),
         ]
 
+        snap = date.today()
         try:
             for kind, fn_name, params, section, rtype, rname in jobs:
                 try:
+                    if kind == "lots_pf":
+                        # lots_pf: 600+ МБ JSON → streaming через ijson, не грузим в RAM.
+                        # payload пишем как NULL в objective_raw_reports (миграция 79).
+                        raw_id = _save_raw(
+                            db,
+                            run_id,
+                            report_section=section,
+                            report_type=rtype,
+                            report_name=rname,
+                            group_name=group,
+                            complex_name=None,
+                            start_date=params.get("start_date"),
+                            end_date=params.get("end_date"),
+                            use_ddu=params.get("use_ddu", True),
+                            use_dkp=params.get("use_dkp", False),
+                            payload=None,
+                        )
+                        n_requests += 1
+                        reports_ok += 1
+                        try:
+                            with client.stream_report(
+                                report_type="Поквартирные",
+                                report_name="Лоты",
+                                group_name=group,
+                                use_ddu=params.get("use_ddu", True),
+                                use_dkp=params.get("use_dkp") or False,
+                            ) as resp:
+                                n_lots, n_hist = parser_mod.parse_lots_pf_stream(
+                                    resp.iter_bytes(chunk_size=65536),
+                                    raw_id,
+                                    snap,
+                                    db,
+                                    dry_run=False,
+                                )
+                            rows_lots += n_lots
+                            rows_history += n_hist
+                            db.execute(
+                                text(
+                                    "UPDATE objective_raw_reports "
+                                    "   SET rows_extracted = :n WHERE raw_id = :rid"
+                                ),
+                                {"n": n_lots, "rid": raw_id},
+                            )
+                            db.commit()
+                        except Exception as parse_err:
+                            db.rollback()
+                            logger.exception(
+                                "sync_objective_group: lots_pf stream failed raw_id=%s: %s",
+                                raw_id,
+                                parse_err,
+                            )
+                    else:
+                        # corp_sum (7 МБ) — полный load как раньше
                         method = getattr(client, fn_name)
                         payload = method(**params)
                         n_requests += 1
@@ -251,12 +317,11 @@ def sync_objective_group(
                             payload=payload,
                         )
                         reports_ok += 1
-
-                    # Inline-нормализация в objective_corpus_room_month / lots / history.
-                    snap = date.today()
                         try:
                             if kind == "corp_sum":
-                            n = parser_mod.parse_corp_sum(payload, group, raw_id, db, dry_run=False)
+                                n = parser_mod.parse_corp_sum(
+                                    payload, group, raw_id, db, dry_run=False
+                                )
                                 rows_corpus_room += n
                                 db.execute(
                                     text(
@@ -265,25 +330,11 @@ def sync_objective_group(
                                     ),
                                     {"n": n, "rid": raw_id},
                                 )
-                        elif kind == "lots_pf":
-                            n_lots, n_hist = parser_mod.parse_lots_pf(
-                                payload, raw_id, snap, db, dry_run=False
-                            )
-                            rows_lots += n_lots
-                            rows_history += n_hist
-                            db.execute(
-                                text(
-                                    "UPDATE objective_raw_reports "
-                                    "   SET rows_extracted = :n WHERE raw_id = :rid"
-                                ),
-                                {"n": n_lots, "rid": raw_id},
-                            )
                             db.commit()
                         except Exception as parse_err:
-                        # Парсинг упал — raw уже сохранён, можно re-parse позже.
                             db.rollback()
                             logger.exception(
-                            "sync_objective_group: parser failed for %s/%s/%s raw_id=%s: %s",
+                                "sync_objective_group: parser failed for %s/%s/%s " "raw_id=%s: %s",
                                 section,
                                 rtype,
                                 rname,

backend/pyproject.toml

@@ -29,6 +29,7 @@ dependencies = [
     "scikit-learn>=1.5.0",
     "sentry-sdk[fastapi,celery,sqlalchemy,httpx]>=2.18.0",
     "rosreestr2coord>=5.0.0",
+    "ijson>=3.2.0",
 ]
 
 [dependency-groups]

backend/uv.lock

@@ -567,6 +567,7 @@ dependencies = [
     { name = "geoalchemy2" },
     { name = "geopandas" },
     { name = "httpx" },
+    { name = "ijson" },
     { name = "numpy" },
     { name = "openpyxl" },
     { name = "pandas" },
@@ -606,6 +607,7 @@ requires-dist = [
     { name = "geoalchemy2", specifier = ">=0.15.0" },
     { name = "geopandas", specifier = ">=1.0.0" },
     { name = "httpx", specifier = ">=0.27.0" },
+    { name = "ijson", specifier = ">=3.2.0" },
     { name = "numpy", specifier = ">=2.0.0" },
     { name = "openpyxl", specifier = ">=3.1.0" },
     { name = "pandas", specifier = ">=2.2.0" },
@@ -797,6 +799,69 @@ wheels = [
     { url = "https://files.pythonhosted.org/packages/5d/13/ad7d7ca3808a898b4612b6fe93cde56b53f3034dcde235acb1f0e1df24c6/idna-3.13-py3-none-any.whl", hash = "sha256:892ea0cde124a99ce773decba204c5552b69c3c67ffd5f232eb7696135bc8bb3", size = 68629, upload-time = "2026-04-22T16:42:40.909Z" },
 ]
 
+[[package]]
+name = "ijson"
+version = "3.5.0"
+source = { registry = "https://pypi.org/simple" }
+sdist = { url = "https://files.pythonhosted.org/packages/f4/57/60d1a6a512f2f0508d0bc8b4f1cc5616fd3196619b66bd6a01f9155a1292/ijson-3.5.0.tar.gz", hash = "sha256:94688760720e3f5212731b3cb8d30267f9a045fb38fb3870254e7b9504246f31", size = 68658, upload-time = "2026-02-24T03:58:30.974Z" }
+wheels = [
+    { url = "https://files.pythonhosted.org/packages/aa/17/9c63c7688025f3a8c47ea717b8306649c8c7244e49e20a2be4e3515dc75c/ijson-3.5.0-cp312-cp312-macosx_10_13_universal2.whl", hash = "sha256:1ebefbe149a6106cc848a3eaf536af51a9b5ccc9082de801389f152dba6ab755", size = 88536, upload-time = "2026-02-24T03:57:06.809Z" },
+    { url = "https://files.pythonhosted.org/packages/6f/dd/e15c2400244c117b06585452ebc63ae254f5a6964f712306afd1422daae0/ijson-3.5.0-cp312-cp312-macosx_10_13_x86_64.whl", hash = "sha256:19e30d9f00f82e64de689c0b8651b9cfed879c184b139d7e1ea5030cec401c21", size = 60499, upload-time = "2026-02-24T03:57:09.155Z" },
+    { url = "https://files.pythonhosted.org/packages/77/a9/bf4fe3538a0c965f16b406f180a06105b875da83f0743e36246be64ef550/ijson-3.5.0-cp312-cp312-macosx_11_0_arm64.whl", hash = "sha256:a04a33ee78a6f27b9b8528c1ca3c207b1df3b8b867a4cf2fcc4109986f35c227", size = 60330, upload-time = "2026-02-24T03:57:10.574Z" },
+    { url = "https://files.pythonhosted.org/packages/31/76/6f91bdb019dd978fce1bc5ea1cd620cfc096d258126c91db2c03a20a7f34/ijson-3.5.0-cp312-cp312-manylinux1_i686.manylinux_2_28_i686.manylinux_2_5_i686.whl", hash = "sha256:7d48dc2984af02eb3c56edfb3f13b3f62f2f3e4fe36f058c8cfc75d93adf4fed", size = 138977, upload-time = "2026-02-24T03:57:11.932Z" },
+    { url = "https://files.pythonhosted.org/packages/11/be/bbc983059e48a54b0121ee60042979faed7674490bbe7b2c41560db3f436/ijson-3.5.0-cp312-cp312-manylinux2014_aarch64.manylinux_2_17_aarch64.manylinux_2_28_aarch64.whl", hash = "sha256:f1e73a44844d9adbca9cf2c4132cd875933e83f3d4b23881fcaf82be83644c7d", size = 149785, upload-time = "2026-02-24T03:57:13.255Z" },
+    { url = "https://files.pythonhosted.org/packages/6d/81/2fee58f9024a3449aee83edfa7167fb5ccd7e1af2557300e28531bb68e16/ijson-3.5.0-cp312-cp312-manylinux2014_x86_64.manylinux_2_17_x86_64.manylinux_2_28_x86_64.whl", hash = "sha256:7389a56b8562a19948bdf1d7bae3a2edc8c7f86fb59834dcb1c4c722818e645a", size = 149729, upload-time = "2026-02-24T03:57:14.191Z" },
+    { url = "https://files.pythonhosted.org/packages/c7/56/f1706761fcc096c9d414b3dcd000b1e6e5c24364c21cfba429837f98ee8d/ijson-3.5.0-cp312-cp312-musllinux_1_2_aarch64.whl", hash = "sha256:3176f23f8ebec83f374ed0c3b4e5a0c4db7ede54c005864efebbed46da123608", size = 150697, upload-time = "2026-02-24T03:57:15.855Z" },
+    { url = "https://files.pythonhosted.org/packages/d9/6e/ee0d9c875a0193b632b3e9ccd1b22a50685fb510256ad57ba483b6529f77/ijson-3.5.0-cp312-cp312-musllinux_1_2_i686.whl", hash = "sha256:6babd88e508630c6ef86c9bebaaf13bb2fb8ec1d8f8868773a03c20253f599bc", size = 142873, upload-time = "2026-02-24T03:57:16.831Z" },
+    { url = "https://files.pythonhosted.org/packages/d2/bf/f9d4399d0e6e3fd615035290a71e97c843f17f329b43638c0a01cf112d73/ijson-3.5.0-cp312-cp312-musllinux_1_2_x86_64.whl", hash = "sha256:dc1b3836b174b6db2fa8319f1926fb5445abd195dc963368092103f8579cb8ed", size = 151583, upload-time = "2026-02-24T03:57:17.757Z" },
+    { url = "https://files.pythonhosted.org/packages/b2/71/a7254a065933c0e2ffd3586f46187d84830d3d7b6f41cfa5901820a4f87d/ijson-3.5.0-cp312-cp312-win32.whl", hash = "sha256:6673de9395fb9893c1c79a43becd8c8fbee0a250be6ea324bfd1487bb5e9ee4c", size = 53079, upload-time = "2026-02-24T03:57:18.703Z" },
+    { url = "https://files.pythonhosted.org/packages/8f/7b/2edca79b359fc9f95d774616867a03ecccdf333797baf5b3eea79733918c/ijson-3.5.0-cp312-cp312-win_amd64.whl", hash = "sha256:f4f7fabd653459dcb004175235f310435959b1bb5dfa8878578391c6cc9ad944", size = 55500, upload-time = "2026-02-24T03:57:20.428Z" },
+    { url = "https://files.pythonhosted.org/packages/a2/71/d67e764a712c3590627480643a3b51efcc3afa4ef3cb54ee4c989073c97e/ijson-3.5.0-cp313-cp313-macosx_10_13_universal2.whl", hash = "sha256:e9cedc10e40dd6023c351ed8bfc7dcfce58204f15c321c3c1546b9c7b12562a4", size = 88544, upload-time = "2026-02-24T03:57:21.293Z" },
+    { url = "https://files.pythonhosted.org/packages/1a/39/f1c299371686153fa3cf5c0736b96247a87a1bee1b7145e6d21f359c505a/ijson-3.5.0-cp313-cp313-macosx_10_13_x86_64.whl", hash = "sha256:3647649f782ee06c97490b43680371186651f3f69bebe64c6083ee7615d185e5", size = 60495, upload-time = "2026-02-24T03:57:22.501Z" },
+    { url = "https://files.pythonhosted.org/packages/16/94/b1438e204d75e01541bebe3e668fe3e68612d210e9931ae1611062dd0a56/ijson-3.5.0-cp313-cp313-macosx_11_0_arm64.whl", hash = "sha256:90e74be1dce05fce73451c62d1118671f78f47c9f6be3991c82b91063bf01fc9", size = 60325, upload-time = "2026-02-24T03:57:23.332Z" },
+    { url = "https://files.pythonhosted.org/packages/30/e2/4aa9c116fa86cc8b0f574f3c3a47409edc1cd4face05d0e589a5a176b05d/ijson-3.5.0-cp313-cp313-manylinux1_i686.manylinux_2_28_i686.manylinux_2_5_i686.whl", hash = "sha256:78e9ad73e7be2dd80627504bd5cbf512348c55ce2c06e362ed7683b5220e8568", size = 138774, upload-time = "2026-02-24T03:57:24.683Z" },
+    { url = "https://files.pythonhosted.org/packages/d2/d2/738b88752a70c3be1505faa4dcd7110668c2712e582a6a36488ed1e295d4/ijson-3.5.0-cp313-cp313-manylinux2014_aarch64.manylinux_2_17_aarch64.manylinux_2_28_aarch64.whl", hash = "sha256:9577449313cc94be89a4fe4b3e716c65f09cc19636d5a6b2861c4e80dddebd58", size = 149820, upload-time = "2026-02-24T03:57:26.062Z" },
+    { url = "https://files.pythonhosted.org/packages/ed/df/0b3ab9f393ca8f72ea03bc896ba9fdc987e90ae08cdb51c32a4ee0c14d5e/ijson-3.5.0-cp313-cp313-manylinux2014_x86_64.manylinux_2_17_x86_64.manylinux_2_28_x86_64.whl", hash = "sha256:3e4c1178fb50aff5f5701a30a5152ead82a14e189ce0f6102fa1b5f10b2f54ff", size = 149747, upload-time = "2026-02-24T03:57:27.308Z" },
+    { url = "https://files.pythonhosted.org/packages/cc/a3/b0037119f75131b78cb00acc2657b1a9d0435475f1f2c5f8f5a170b66b9c/ijson-3.5.0-cp313-cp313-musllinux_1_2_aarch64.whl", hash = "sha256:0eb402ab026ffb37a918d75af2b7260fe6cfbce13232cc83728a714dd30bd81d", size = 151027, upload-time = "2026-02-24T03:57:28.522Z" },
+    { url = "https://files.pythonhosted.org/packages/22/a0/cb344de1862bf09d8f769c9d25c944078c87dd59a1b496feec5ad96309a4/ijson-3.5.0-cp313-cp313-musllinux_1_2_i686.whl", hash = "sha256:5b08ee08355f9f729612a8eb9bf69cc14f9310c3b2a487c6f1c3c65d85216ec4", size = 142996, upload-time = "2026-02-24T03:57:29.774Z" },
+    { url = "https://files.pythonhosted.org/packages/ca/32/a8ffd67182e02ea61f70f62daf43ded4fa8a830a2520a851d2782460aba8/ijson-3.5.0-cp313-cp313-musllinux_1_2_x86_64.whl", hash = "sha256:bda62b6d48442903e7bf56152108afb7f0f1293c2b9bef2f2c369defea76ab18", size = 152068, upload-time = "2026-02-24T03:57:30.969Z" },
+    { url = "https://files.pythonhosted.org/packages/3c/d1/3578df8e75d446aab0ae92e27f641341f586b85e1988536adebc65300cb4/ijson-3.5.0-cp313-cp313-win32.whl", hash = "sha256:8d073d9b13574cfa11083cc7267c238b7a6ed563c2661e79192da4a25f09c82c", size = 53065, upload-time = "2026-02-24T03:57:31.93Z" },
+    { url = "https://files.pythonhosted.org/packages/fb/a2/f7cdaf5896710da3e69e982e44f015a83d168aa0f3a89b6f074b5426779d/ijson-3.5.0-cp313-cp313-win_amd64.whl", hash = "sha256:2419f9e32e0968a876b04d8f26aeac042abd16f582810b576936bbc4c6015069", size = 55499, upload-time = "2026-02-24T03:57:32.773Z" },
+    { url = "https://files.pythonhosted.org/packages/42/65/13e2492d17e19a2084523e18716dc2809159f2287fd2700c735f311e76c4/ijson-3.5.0-cp313-cp313t-macosx_10_13_universal2.whl", hash = "sha256:4d4b0cd676b8c842f7648c1a783448fac5cd3b98289abd83711b3e275e143524", size = 93019, upload-time = "2026-02-24T03:57:33.976Z" },
+    { url = "https://files.pythonhosted.org/packages/33/92/483fc97ece0c3f1cecabf48f6a7a36e89d19369eec462faaeaa34c788992/ijson-3.5.0-cp313-cp313t-macosx_10_13_x86_64.whl", hash = "sha256:252dec3680a48bb82d475e36b4ae1b3a9d7eb690b951bb98a76c5fe519e30188", size = 62714, upload-time = "2026-02-24T03:57:34.819Z" },
+    { url = "https://files.pythonhosted.org/packages/4b/88/793fe020a0fe9d9eed4c285cf4a5cfdb0a935708b3bde0d72f35c794b513/ijson-3.5.0-cp313-cp313t-macosx_11_0_arm64.whl", hash = "sha256:aa1b5dca97d323931fde2501172337384c958914d81a9dac7f00f0d4bfc76bc7", size = 62460, upload-time = "2026-02-24T03:57:35.874Z" },
+    { url = "https://files.pythonhosted.org/packages/51/69/f1a2690aa8d4df1f4e262b385e65a933ffdc250b091531bac9a449c19e16/ijson-3.5.0-cp313-cp313t-manylinux1_i686.manylinux_2_28_i686.manylinux_2_5_i686.whl", hash = "sha256:7a5ec7fd86d606094bba6f6f8f87494897102fa4584ef653f3005c51a784c320", size = 199273, upload-time = "2026-02-24T03:57:37.07Z" },
+    { url = "https://files.pythonhosted.org/packages/ea/a2/f1346d5299e79b988ab472dc773d5381ec2d57c23cb2f1af3ede4a810e62/ijson-3.5.0-cp313-cp313t-manylinux2014_aarch64.manylinux_2_17_aarch64.manylinux_2_28_aarch64.whl", hash = "sha256:009f41443e1521847701c6d87fa3923c0b1961be3c7e7de90947c8cb92ea7c44", size = 216884, upload-time = "2026-02-24T03:57:38.346Z" },
+    { url = "https://files.pythonhosted.org/packages/28/3c/8b637e869be87799e6c2c3c275a30a546f086b1aed77e2b7f11512168c5a/ijson-3.5.0-cp313-cp313t-manylinux2014_x86_64.manylinux_2_17_x86_64.manylinux_2_28_x86_64.whl", hash = "sha256:e4c3651d1f9fe2839a93fdf8fd1d5ca3a54975349894249f3b1b572bcc4bd577", size = 207306, upload-time = "2026-02-24T03:57:39.718Z" },
+    { url = "https://files.pythonhosted.org/packages/7f/7c/18b1c1df6951ca056782d7580ec40cea4ff9a27a0947d92640d1cc8c4ae3/ijson-3.5.0-cp313-cp313t-musllinux_1_2_aarch64.whl", hash = "sha256:945b7abcfcfeae2cde17d8d900870f03536494245dda7ad4f8d056faa303256c", size = 211364, upload-time = "2026-02-24T03:57:40.953Z" },
+    { url = "https://files.pythonhosted.org/packages/f3/55/e795812e82851574a9dba8a53fde045378f531ef14110c6fb55dbd23b443/ijson-3.5.0-cp313-cp313t-musllinux_1_2_i686.whl", hash = "sha256:0574b0a841ff97495c13e9d7260fbf3d85358b061f540c52a123db9dbbaa2ed6", size = 200608, upload-time = "2026-02-24T03:57:42.272Z" },
+    { url = "https://files.pythonhosted.org/packages/5c/cd/013c85b4749b57a4cb4c2670014d1b32b8db4ab1a7be92ea7aeb5d7fe7b5/ijson-3.5.0-cp313-cp313t-musllinux_1_2_x86_64.whl", hash = "sha256:f969ffb2b89c5cdf686652d7fb66252bc72126fa54d416317411497276056a18", size = 205127, upload-time = "2026-02-24T03:57:43.286Z" },
+    { url = "https://files.pythonhosted.org/packages/0e/7c/faf643733e3ab677f180018f6a855c4ef70b7c46540987424c563c959e42/ijson-3.5.0-cp313-cp313t-win32.whl", hash = "sha256:59d3f9f46deed1332ad669518b8099920512a78bda64c1f021fcd2aff2b36693", size = 55282, upload-time = "2026-02-24T03:57:44.353Z" },
+    { url = "https://files.pythonhosted.org/packages/69/22/94ddb47c24b491377aca06cd8fc9202cad6ab50619842457d2beefde21ea/ijson-3.5.0-cp313-cp313t-win_amd64.whl", hash = "sha256:5c2839fa233746d8aad3b8cd2354e441613f5df66d721d59da4a09394bd1db2b", size = 58016, upload-time = "2026-02-24T03:57:45.237Z" },
+    { url = "https://files.pythonhosted.org/packages/7a/93/0868efe753dc1df80cc405cf0c1f2527a6991643607c741bff8dcb899b3b/ijson-3.5.0-cp314-cp314-macosx_10_15_universal2.whl", hash = "sha256:25a5a6b2045c90bb83061df27cfa43572afa43ba9408611d7bfe237c20a731a9", size = 89094, upload-time = "2026-02-24T03:57:46.115Z" },
+    { url = "https://files.pythonhosted.org/packages/24/94/fd5a832a0df52ef5e4e740f14ac8640725d61034a1b0c561e8b5fb424706/ijson-3.5.0-cp314-cp314-macosx_10_15_x86_64.whl", hash = "sha256:8976c54c0b864bc82b951bae06567566ac77ef63b90a773a69cd73aab47f4f4f", size = 60715, upload-time = "2026-02-24T03:57:47.552Z" },
+    { url = "https://files.pythonhosted.org/packages/70/79/1b9a90af5732491f9eec751ee211b86b11011e1158c555c06576d52c3919/ijson-3.5.0-cp314-cp314-macosx_11_0_arm64.whl", hash = "sha256:859eb2038f7f1b0664df4241957694cc35e6295992d71c98659b22c69b3cbc10", size = 60638, upload-time = "2026-02-24T03:57:48.428Z" },
+    { url = "https://files.pythonhosted.org/packages/23/6f/2c551ea980fe56f68710a8d5389cfbd015fc45aaafd17c3c52c346db6aa1/ijson-3.5.0-cp314-cp314-manylinux1_i686.manylinux_2_28_i686.manylinux_2_5_i686.whl", hash = "sha256:c911aa02991c7c0d3639b6619b93a93210ff1e7f58bf7225d613abea10adc78e", size = 140667, upload-time = "2026-02-24T03:57:49.314Z" },
+    { url = "https://files.pythonhosted.org/packages/25/0e/27b887879ba6a5bc29766e3c5af4942638c952220fd63e1e442674f7883a/ijson-3.5.0-cp314-cp314-manylinux2014_aarch64.manylinux_2_17_aarch64.manylinux_2_28_aarch64.whl", hash = "sha256:903cbdc350173605220edc19796fbea9b2203c8b3951fb7335abfa8ed37afda8", size = 149850, upload-time = "2026-02-24T03:57:50.329Z" },
+    { url = "https://files.pythonhosted.org/packages/da/1e/23e10e1bc04bf31193b21e2960dce14b17dbd5d0c62204e8401c59d62c08/ijson-3.5.0-cp314-cp314-manylinux2014_x86_64.manylinux_2_17_x86_64.manylinux_2_28_x86_64.whl", hash = "sha256:a4549d96ded5b8efa71639b2160235415f6bdb8c83367615e2dbabcb72755c33", size = 149206, upload-time = "2026-02-24T03:57:51.261Z" },
+    { url = "https://files.pythonhosted.org/packages/8e/90/e552f6495063b235cf7fa2c592f6597c057077195e517b842a0374fd470c/ijson-3.5.0-cp314-cp314-musllinux_1_2_aarch64.whl", hash = "sha256:6b2dcf6349e6042d83f3f8c39ce84823cf7577eba25bac5aae5e39bbbbbe9c1c", size = 150438, upload-time = "2026-02-24T03:57:52.198Z" },
+    { url = "https://files.pythonhosted.org/packages/5c/18/45bf8f297c41b42a1c231d261141097babd953d2c28a07be57ae4c3a1a02/ijson-3.5.0-cp314-cp314-musllinux_1_2_i686.whl", hash = "sha256:e44af39e6f8a17e5627dcd89715d8279bf3474153ff99aae031a936e5c5572e5", size = 144369, upload-time = "2026-02-24T03:57:53.22Z" },
+    { url = "https://files.pythonhosted.org/packages/9b/3a/deb9772bb2c0cead7ad64f00c3598eec9072bdf511818e70e2c512eeabbe/ijson-3.5.0-cp314-cp314-musllinux_1_2_x86_64.whl", hash = "sha256:9260332304b7e7828db56d43f08fc970a3ab741bf84ff10189361ea1b60c395b", size = 151352, upload-time = "2026-02-24T03:57:54.375Z" },
+    { url = "https://files.pythonhosted.org/packages/e4/51/67f4d80cd58ad7eab0cd1af5fe28b961886338956b2f88c0979e21914346/ijson-3.5.0-cp314-cp314-win32.whl", hash = "sha256:63bc8121bb422f6969ced270173a3fa692c29d4ae30c860a2309941abd81012a", size = 53610, upload-time = "2026-02-24T03:57:55.655Z" },
+    { url = "https://files.pythonhosted.org/packages/70/d3/263672ea22983ba3940f1534316dbc9200952c1c2a2332d7a664e4eaa7ae/ijson-3.5.0-cp314-cp314-win_amd64.whl", hash = "sha256:01b6dad72b7b7df225ef970d334556dfad46c696a2c6767fb5d9ed8889728bca", size = 56301, upload-time = "2026-02-24T03:57:56.584Z" },
+    { url = "https://files.pythonhosted.org/packages/9f/d9/86f7fac35e0835faa188085ae0579e813493d5261ce056484015ad533445/ijson-3.5.0-cp314-cp314t-macosx_10_15_universal2.whl", hash = "sha256:2ea4b676ec98e374c1df400a47929859e4fa1239274339024df4716e802aa7e4", size = 93069, upload-time = "2026-02-24T03:57:57.849Z" },
+    { url = "https://files.pythonhosted.org/packages/33/d2/e7366ed9c6e60228d35baf4404bac01a126e7775ea8ce57f560125ed190a/ijson-3.5.0-cp314-cp314t-macosx_10_15_x86_64.whl", hash = "sha256:014586eec043e23c80be9a923c56c3a0920a0f1f7d17478ce7bc20ba443968ef", size = 62767, upload-time = "2026-02-24T03:57:58.758Z" },
+    { url = "https://files.pythonhosted.org/packages/35/8b/3e703e8cc4b3ada79f13b28070b51d9550c578f76d1968657905857b2ddd/ijson-3.5.0-cp314-cp314t-macosx_11_0_arm64.whl", hash = "sha256:d5b8b886b0248652d437f66e7c5ac318bbdcb2c7137a7e5327a68ca00b286f5f", size = 62467, upload-time = "2026-02-24T03:58:00.261Z" },
+    { url = "https://files.pythonhosted.org/packages/21/42/0c91af32c1ee8a957fdac2e051b5780756d05fd34e4b60d94a08d51bac1d/ijson-3.5.0-cp314-cp314t-manylinux1_i686.manylinux_2_28_i686.manylinux_2_5_i686.whl", hash = "sha256:498fd46ae2349297e43acf97cdc421e711dbd7198418677259393d2acdc62d78", size = 200447, upload-time = "2026-02-24T03:58:01.591Z" },
+    { url = "https://files.pythonhosted.org/packages/f9/80/796ea0e391b7e2d45c5b1b451734bba03f81c2984cf955ea5eaa6c4920ad/ijson-3.5.0-cp314-cp314t-manylinux2014_aarch64.manylinux_2_17_aarch64.manylinux_2_28_aarch64.whl", hash = "sha256:22a51b4f9b81f12793731cf226266d1de2112c3c04ba4a04117ad4e466897e05", size = 217820, upload-time = "2026-02-24T03:58:02.598Z" },
+    { url = "https://files.pythonhosted.org/packages/38/14/52b6613fdda4078c62eb5b4fe3efc724ddc55a4ad524c93de51830107aa3/ijson-3.5.0-cp314-cp314t-manylinux2014_x86_64.manylinux_2_17_x86_64.manylinux_2_28_x86_64.whl", hash = "sha256:9636c710dc4ac4a281baa266a64f323b4cc165cec26836af702c44328b59a515", size = 208310, upload-time = "2026-02-24T03:58:04.759Z" },
+    { url = "https://files.pythonhosted.org/packages/6a/ad/8b3105a78774fd4a65e534a21d975ef3a77e189489fe3029ebcaeba5e243/ijson-3.5.0-cp314-cp314t-musllinux_1_2_aarch64.whl", hash = "sha256:f7168a39e8211107666d71b25693fd1b2bac0b33735ef744114c403c6cac21e1", size = 211843, upload-time = "2026-02-24T03:58:05.836Z" },
+    { url = "https://files.pythonhosted.org/packages/36/ab/a2739f6072d6e1160581bc3ed32da614c8cced023dcd519d9c5fa66e0425/ijson-3.5.0-cp314-cp314t-musllinux_1_2_i686.whl", hash = "sha256:8696454245415bc617ab03b0dc3ae4c86987df5dc6a90bad378fe72c5409d89e", size = 200906, upload-time = "2026-02-24T03:58:07.788Z" },
+    { url = "https://files.pythonhosted.org/packages/6d/5e/e06c2de3c3d4a9cfb655c1ad08a68fb72838d271072cdd3196576ac4431a/ijson-3.5.0-cp314-cp314t-musllinux_1_2_x86_64.whl", hash = "sha256:c21bfb61f71f191565885bf1bc29e0a186292d866b4880637b833848360bdc1b", size = 205495, upload-time = "2026-02-24T03:58:09.163Z" },
+    { url = "https://files.pythonhosted.org/packages/7c/11/778201eb2e202ddd76b36b0fb29bf3d8e3c167389d8aa883c62524e49f47/ijson-3.5.0-cp314-cp314t-win32.whl", hash = "sha256:a2619460d6795b70d0155e5bf016200ac8a63ab5397aa33588bb02b6c21759e6", size = 56280, upload-time = "2026-02-24T03:58:10.116Z" },
+    { url = "https://files.pythonhosted.org/packages/23/28/96711503245339084c8086b892c47415895eba49782d6cc52d9f4ee50301/ijson-3.5.0-cp314-cp314t-win_amd64.whl", hash = "sha256:4f24b78d4ef028d17eb57ad1b16c0aed4a17bdd9badbf232dc5d9305b7e13854", size = 58965, upload-time = "2026-02-24T03:58:11.278Z" },
+]
+
 [[package]]
 name = "iniconfig"
 version = "2.3.0"

data/sql/70_parse_objective_raw.py

@@ -42,7 +42,7 @@ import re
 import sys
 from datetime import date, datetime
 from pathlib import Path
-from typing import Any
+from typing import Any, BinaryIO
 
 # repo-root → /backend
 sys.path.insert(0, str(Path(__file__).resolve().parent.parent.parent / "backend"))
@@ -509,6 +509,90 @@ def parse_lots_pf(payload: dict, raw_id: int | None, snapshot_date: date,
     return n_lots, n_history
 
 
+def parse_lots_pf_stream(
+    stream: BinaryIO,
+    raw_id: int | None,
+    snapshot_date: date,
+    db: Any,
+    dry_run: bool,
+    batch_size: int = 500,
+) -> tuple[int, int]:
+    """Streaming-парсер lots_pf через ijson — не грузит весь JSON в RAM.
+
+    Итерирует элементы массива result по одному, накапливает batch'и по batch_size,
+    делает executemany-style UPSERT каждые batch_size строк и commit каждые
+    5 batch'ей (2500 строк) — RAM usage O(batch_size), не O(N).
+
+    Args:
+        stream: бинарный поток (httpx.Response.iter_bytes proxy или io.BytesIO)
+        raw_id: FK в objective_raw_reports (может быть None для dry-run без БД)
+        snapshot_date: дата снимка для history
+        db: SQLAlchemy Session
+        dry_run: если True — только считает строки, не пишет в БД
+        batch_size: размер batch для executemany
+
+    Returns:
+        (n_lots, n_history) — число обработанных лотов и строк истории
+    """
+    import ijson  # type: ignore[import-untyped]  # lazy import — не обязателен в smoke
+
+    n_lots = 0
+    n_history = 0
+    lots_batch: list[dict] = []
+    history_batch: list[dict] = []
+    batches_since_commit = 0
+
+    for row in ijson.items(stream, "result.item"):
+        if not isinstance(row, dict):
+            continue
+        params = _row_to_lot(row, raw_id, snapshot_date)
+        if not params["objective_lot_id"]:
+            logger.warning("lots_pf stream: пропуск row без Id")
+            continue
+
+        lots_batch.append(params)
+        history_batch.append({
+            "objective_lot_id": params["objective_lot_id"],
+            "snapshot_date": snapshot_date,
+            "status": params["status"],
+            "is_sold": params["is_sold"],
+            "price_calculated_total_rub": params["price_calculated_total_rub"],
+            "price_per_m2_rub": params["price_per_m2_rub"],
+            "price_offer_total_rub": params["price_offer_total_rub"],
+            "price_delta_pct": params["price_delta_pct"],
+            "area_pd": params["area_pd"],
+            "contract_date": params["contract_date"],
+            "registration_date": params["registration_date"],
+            "contract_type": params["contract_type"],
+            "bank_name": params["bank_name"],
+            "raw_id": raw_id,
+        })
+        n_lots += 1
+        n_history += 1
+
+        if len(lots_batch) >= batch_size:
+            if not dry_run:
+                db.execute(_LOTS_UPSERT, lots_batch)
+                db.execute(_LOTS_HISTORY_INSERT, history_batch)
+                batches_since_commit += 1
+                if batches_since_commit >= 5:
+                    db.commit()
+                    batches_since_commit = 0
+            lots_batch = []
+            history_batch = []
+
+    # Финальный неполный batch
+    if lots_batch and not dry_run:
+        db.execute(_LOTS_UPSERT, lots_batch)
+        db.execute(_LOTS_HISTORY_INSERT, history_batch)
+        db.commit()
+    elif not dry_run and batches_since_commit > 0:
+        db.commit()
+
+    logger.info("lots_pf stream: %d lots / %d history rows processed", n_lots, n_history)
+    return n_lots, n_history
+
+
 def detect_kind(payload: Any) -> str | None:
     """Эвристика по полям первого row: 'corp_sum' | 'lots_pf' | None."""
     if not isinstance(payload, dict):

data/sql/79_relax_objective_raw_payload_null.sql

@@ -0,0 +1,14 @@
+-- 79_relax_objective_raw_payload_null.sql
+-- Разрешаем NULL в objective_raw_reports.payload для stream-parsed отчётов.
+-- Поквартирные/Лоты (lots_pf) могут быть 600+ МБ — хранить полный JSONB не имеет
+-- смысла (96 ГБ за полгода × 4 группы × еженедельно). Для таких отчётов пишем
+-- payload = NULL, size и rows_extracted по-прежнему заполняются.
+BEGIN;
+
+ALTER TABLE objective_raw_reports ALTER COLUMN payload DROP NOT NULL;
+
+COMMENT ON COLUMN objective_raw_reports.payload IS
+    'NULL для stream-parsed отчётов (lots_pf 600+ МБ — не храним целиком). '
+    'payload_size и rows_extracted всегда заполнены.';
+
+COMMIT;