Fix iterable memory consumption (#7591)

airbyte-config/init/src/main/resources/config/STANDARD_SOURCE_DEFINITION/2e875208-0c0b-4ee4-9e92-1cb3156ea799.json

@@ -2,6 +2,6 @@
   "sourceDefinitionId": "2e875208-0c0b-4ee4-9e92-1cb3156ea799",
   "name": "Iterable",
   "dockerRepository": "airbyte/source-iterable",
-  "dockerImageTag": "0.1.9",
+  "dockerImageTag": "0.1.10",
   "documentationUrl": "https://docs.airbyte.io/integrations/sources/iterable"
 }

airbyte-config/init/src/main/resources/seed/source_definitions.yaml

@@ -262,7 +262,7 @@
 - name: Iterable
   sourceDefinitionId: 2e875208-0c0b-4ee4-9e92-1cb3156ea799
   dockerRepository: airbyte/source-iterable
-  dockerImageTag: 0.1.9
+  dockerImageTag: 0.1.10
   documentationUrl: https://docs.airbyte.io/integrations/sources/iterable
   sourceType: api
 - name: Jira

airbyte-integrations/connectors/source-iterable/Dockerfile

@@ -12,5 +12,5 @@ RUN pip install .
 ENV AIRBYTE_ENTRYPOINT "python /airbyte/integration_code/main.py"
 ENTRYPOINT ["python", "/airbyte/integration_code/main.py"]
 
-LABEL io.airbyte.version=0.1.9
+LABEL io.airbyte.version=0.1.10
 LABEL io.airbyte.name=airbyte/source-iterable

airbyte-integrations/connectors/source-iterable/setup.py

@@ -11,7 +11,7 @@
     "requests~=2.25",
 ]
 
-TEST_REQUIREMENTS = ["pytest~=6.1"]
+TEST_REQUIREMENTS = ["pytest~=6.1", "responses==0.13.3"]
 
 
 setup(
@@ -20,6 +20,9 @@
     author="Airbyte",
     author_email="contact@airbyte.io",
     packages=find_packages(),
-    install_requires=MAIN_REQUIREMENTS + TEST_REQUIREMENTS,
+    install_requires=MAIN_REQUIREMENTS,
+    extras_require={
+        "tests": TEST_REQUIREMENTS,
+    },
     package_data={"": ["*.json", "schemas/*.json"]},
 )

airbyte-integrations/connectors/source-iterable/source_iterable/api.py

@@ -69,7 +69,7 @@ def __init__(self, start_date, **kwargs):
         self.stream_params = {"dataTypeName": self.data_field}
 
     def path(self, **kwargs) -> str:
-        return "/export/data.json"
+        return "export/data.json"
 
     @staticmethod
     def _field_to_datetime(value: Union[int, str]) -> pendulum.datetime:
@@ -114,6 +114,21 @@ def parse_response(self, response: requests.Response, **kwargs) -> Iterable[Mapp
             record[self.cursor_field] = self._field_to_datetime(record[self.cursor_field])
             yield record
 
+    def request_kwargs(
+        self,
+        stream_state: Mapping[str, Any],
+        stream_slice: Mapping[str, Any] = None,
+        next_page_token: Mapping[str, Any] = None,
+    ) -> Mapping[str, Any]:
+        """
+        https://api.iterable.com/api/docs#export_exportDataJson
+        Sending those type of requests could download large piece of json
+        objects splitted with newline character.
+        Passing stream=True argument to requests.session.send method to avoid
+        loading whole analytics report content into memory.
+        """
+        return {"stream": True}
+
 
 class Lists(IterableStream):
     data_field = "lists"

airbyte-integrations/connectors/source-iterable/unit_tests/__init__.py

@@ -0,0 +1,3 @@
+#
+# Copyright (c) 2021 Airbyte, Inc., all rights reserved.
+#

airbyte-integrations/connectors/source-iterable/unit_tests/test_exports_stream.py

@@ -0,0 +1,42 @@
+#
+# Copyright (c) 2021 Airbyte, Inc., all rights reserved.
+#
+
+import json
+from unittest import mock
+
+import pytest
+import responses
+from airbyte_cdk.models import SyncMode
+from source_iterable.api import EmailSend
+
+
+@pytest.fixture
+def session_mock():
+    with mock.patch("airbyte_cdk.sources.streams.http.http.requests") as requests_mock:
+        session_mock = mock.MagicMock()
+        response_mock = mock.MagicMock()
+        requests_mock.Session.return_value = session_mock
+        session_mock.send.return_value = response_mock
+        response_mock.status_code = 200
+        yield session_mock
+
+
+def test_send_email_stream(session_mock):
+    stream = EmailSend(start_date="2020", api_key="")
+    _ = list(stream.read_records(sync_mode=SyncMode.full_refresh, cursor_field=None, stream_slice=[], stream_state={}))
+
+    assert session_mock.send.called
+    send_args = session_mock.send.call_args[1]
+    assert send_args.get("stream") is True
+
+
+@responses.activate
+def test_stream_correct():
+    record_js = {"createdAt": "2020"}
+    NUMBER_OF_RECORDS = 10 ** 2
+    resp_body = "\n".join([json.dumps(record_js)] * NUMBER_OF_RECORDS)
+    responses.add("GET", "https://api.iterable.com/api/export/data.json", body=resp_body)
+    stream = EmailSend(start_date="2020", api_key="")
+    records = list(stream.read_records(sync_mode=SyncMode.full_refresh, cursor_field=None, stream_slice=[], stream_state={}))
+    assert len(records) == NUMBER_OF_RECORDS

docs/integrations/sources/iterable.md

@@ -58,6 +58,7 @@ Please read [How to find your API key](https://support.iterable.com/hc/en-us/art
 
 | Version | Date | Pull Request | Subject |
 | :------ | :--------  | :-----       | :------ |
+| `0.1.10` | 2021-11-03 | [7591](https://github.com/airbytehq/airbyte/pull/7591) | Optimize export streams memory consumption for large requests |
 | `0.1.9` | 2021-10-06 | [5915](https://github.com/airbytehq/airbyte/pull/5915) | Enable campaign_metrics stream |
 | `0.1.8` | 2021-09-20 | [5915](https://github.com/airbytehq/airbyte/pull/5915) | Add new streams: campaign_metrics, events |
 | `0.1.7` | 2021-09-20 | [6242](https://github.com/airbytehq/airbyte/pull/6242) | Updated schema for: campaigns, lists, templates, metadata |