feat: additional interpolation contexts for download step of async job

airbyte_cdk/sources/declarative/declarative_component_schema.yaml

@@ -3797,7 +3797,6 @@ definitions:
       - polling_requester
       - download_requester
       - status_extractor
-      - download_target_extractor
     properties:
       type:
         type: string
@@ -3815,7 +3814,7 @@ definitions:
           - "$ref": "#/definitions/DpathExtractor"
           - "$ref": "#/definitions/CustomRecordExtractor"
       download_target_extractor:
-        description: Responsible for fetching the final result `urls` provided by the completed / finished / ready async job.
+        description: Responsible for fetching the information needed to download the completed job from the polling HTTP response.
         anyOf:
           - "$ref": "#/definitions/DpathExtractor"
           - "$ref": "#/definitions/CustomRecordExtractor"

airbyte_cdk/sources/declarative/models/declarative_component_schema.py

@@ -1,5 +1,3 @@
-# Copyright (c) 2025 Airbyte, Inc., all rights reserved.
-
 # generated by datamodel-codegen:
 #   filename:  declarative_component_schema.yaml
 
@@ -2852,9 +2850,9 @@ class AsyncRetriever(BaseModel):
     status_extractor: Union[DpathExtractor, CustomRecordExtractor] = Field(
         ..., description="Responsible for fetching the actual status of the async job."
     )
-    download_target_extractor: Union[DpathExtractor, CustomRecordExtractor] = Field(
-        ...,
-        description="Responsible for fetching the final result `urls` provided by the completed / finished / ready async job.",
+    download_target_extractor: Optional[Union[DpathExtractor, CustomRecordExtractor]] = Field(
+        None,
+        description="Responsible for fetching the information needed to download the completed job from the polling HTTP response.",
     )
     download_extractor: Optional[
         Union[DpathExtractor, CustomRecordExtractor, ResponseToFileExtractor]

airbyte_cdk/sources/declarative/parsers/model_to_component_factory.py

@@ -3603,11 +3603,15 @@ def _get_job_timeout() -> datetime.timedelta:
         status_extractor = self._create_component_from_model(
             model=model.status_extractor, decoder=decoder, config=config, name=name
         )
-        download_target_extractor = self._create_component_from_model(
-            model=model.download_target_extractor,
-            decoder=decoder,
-            config=config,
-            name=name,
+        download_target_extractor = (
+            self._create_component_from_model(
+                model=model.download_target_extractor,
+                decoder=decoder,
+                config=config,
+                name=name,
+            )
+            if model.download_target_extractor
+            else None
         )
 
         job_repository: AsyncJobRepository = AsyncHttpJobRepository(

airbyte_cdk/sources/declarative/requesters/README.md

@@ -1,6 +1,7 @@
 # AsyncHttpJobRepository sequence diagram
 
 - Components marked as optional are not required and can be ignored.
+- # TODO update 
 - if `download_target_requester` is not provided, `download_target_extractor` will get urls from the `polling_response`
 - interpolation_context, e.g. `creation_response` or `polling_response` can be obtained from stream_slice
 
@@ -37,7 +38,7 @@ sequenceDiagram
         UrlRequester -->> AsyncHttpJobRepository: Download URLs
 
         AsyncHttpJobRepository ->> DownloadRetriever: Download reports
-        DownloadRetriever ->> Reporting Server: Retrieve report data (interpolation_context: `url`)
+        DownloadRetriever ->> Reporting Server: Retrieve report data (interpolation_context: `url`, `creation_response`, `polling_response`)
         Reporting Server -->> DownloadRetriever: Report data
         DownloadRetriever -->> AsyncHttpJobRepository: Report data
     else Status: Failed

airbyte_cdk/sources/declarative/requesters/http_job_repository.py

@@ -43,7 +43,7 @@ class AsyncHttpJobRepository(AsyncJobRepository):
     delete_requester: Optional[Requester]
     status_extractor: DpathExtractor
     status_mapping: Mapping[str, AsyncJobStatus]
-    download_target_extractor: DpathExtractor
+    download_target_extractor: Optional[DpathExtractor]
 
     # timeout for the job to be completed, passed from `polling_job_timeout`
     job_timeout: Optional[timedelta] = None
@@ -213,14 +213,16 @@ def fetch_records(self, job: AsyncJob) -> Iterable[Mapping[str, Any]]:
 
         """
 
-        for target_url in self._get_download_targets(job):
+        for download_target in self._get_download_targets(job):
             job_slice = job.job_parameters()
             stream_slice = StreamSlice(
                 partition=job_slice.partition,
                 cursor_slice=job_slice.cursor_slice,
                 extra_fields={
                     **job_slice.extra_fields,
-                    "download_target": target_url,
+                    "download_target": download_target,
+                    "creation_response": self._get_creation_response_interpolation_context(job),
+                    "polling_response": self._get_polling_response_interpolation_context(job),
                 },
             )
             for message in self.download_retriever.read_records({}, stream_slice):
@@ -330,9 +332,18 @@ def _get_create_job_stream_slice(self, job: AsyncJob) -> StreamSlice:
         )
 
     def _get_download_targets(self, job: AsyncJob) -> Iterable[str]:
-        if not self.download_target_requester:
-            url_response = self._polling_job_response_by_id[job.api_job_id()]
-        else:
+        """Returns an iterable of strings to help target requests for downloading async jobs."""
+        # If neither download_target_extractor nor download_target_requester are provided,return a single empty string 
+        # to express the need to make a single download request without any download_target value
+        if not self.download_target_extractor and not self.download_target_requester:
+            lazy_log(
+                LOGGER,
+                logging.DEBUG,
+                lambda: "No download_target_extractor or download_target_requester provided. Using fallback behavior for single download request without download_target.",
+            )
+            return [""]
+
+        if self.download_target_requester:
             stream_slice: StreamSlice = StreamSlice(
                 partition={},
                 cursor_slice={},
@@ -346,5 +357,8 @@ def _get_download_targets(self, job: AsyncJob) -> Iterable[str]:
                     internal_message="Always expect a response or an exception from download_target_requester",
                     failure_type=FailureType.system_error,
                 )
-
+        else:
+            # if no download_target_requester is provided, we extract directly from the polling response
+            url_response = self._polling_job_response_by_id[job.api_job_id()]
+
         yield from self.download_target_extractor.extract_records(url_response)  # type: ignore # we expect download_target_extractor to always return list of strings

bin/generate-component-manifest-dagger.sh

@@ -7,5 +7,4 @@
 
 set -e
 
-pip install dagger-io==0.13.3
 python bin/generate_component_manifest_files.py

debug_manifest/README.md

@@ -22,11 +22,15 @@ To configure the debugger in VSCode to run the `debug_manifest`, follow these st
       "request": "launch",
       "console": "integratedTerminal",
       "cwd": "${workspaceFolder}/debug_manifest",
-      "python": "<PATH_TO_CDK_ENV>/bin/python",
+      "python": "<PATH_TO_CDK_ENV>/bin/python", // REPLACE ME
       "module": "debug_manifest",
       "args": [
         // SPECIFY THE COMMAND: [spec, check, discover, read]
         "read",
+        // SPECIFY THE MANIFEST FILE
+        "--manifest-path",
+        // PATH TO THE MANIFEST FILE
+        "resources/manifest.yaml",
         // SPECIFY THE CONFIG
         "--config",
         // PATH TO THE CONFIG FILE

debug_manifest/debug_manifest.py

@@ -3,17 +3,12 @@
 #
 
 import sys
-from typing import Any, Mapping
 
 from airbyte_cdk.entrypoint import AirbyteEntrypoint, launch
 from airbyte_cdk.sources.declarative.yaml_declarative_source import (
     YamlDeclarativeSource,
 )
 
-configuration: Mapping[str, Any] = {
-    "path_to_yaml": "resources/manifest.yaml",
-}
-
 
 def debug_manifest(source: YamlDeclarativeSource, args: list[str]) -> None:
     """
@@ -24,13 +19,15 @@ def debug_manifest(source: YamlDeclarativeSource, args: list[str]) -> None:
 
 if __name__ == "__main__":
     args = sys.argv[1:]
+    parsed_args = AirbyteEntrypoint.parse_args(args)
+    manifest_path = getattr(parsed_args, "manifest_path", None) or "resources/manifest.yaml"
     catalog_path = AirbyteEntrypoint.extract_catalog(args)
     config_path = AirbyteEntrypoint.extract_config(args)
     state_path = AirbyteEntrypoint.extract_state(args)
 
     debug_manifest(
         YamlDeclarativeSource(
-            path_to_yaml="resources/manifest.yaml",
+            path_to_yaml=manifest_path,
             catalog=YamlDeclarativeSource.read_catalog(catalog_path) if catalog_path else None,
             config=YamlDeclarativeSource.read_config(config_path) if config_path else None,
             state=YamlDeclarativeSource.read_state(state_path) if state_path else None,