fix: batch transform update for sagemaker reranker integration (#6145)

Co-authored-by: Joan Martinez <joan.fontanals.martinez@jina.ai>

.github/workflows/cd.yml

@@ -151,7 +151,7 @@ jobs:
           pytest --suppress-no-test-exit-code --force-flaky --min-passes 1 --max-runs 5 --cov=jina --cov-report=xml --timeout=600 -v -s --ignore-glob='tests/integration/hub_usage/dummyhub*' tests/integration/docarray_v2/test_singleton.py
           pytest --suppress-no-test-exit-code --force-flaky --min-passes 1 --max-runs 5 --cov=jina --cov-report=xml --timeout=600 -v -s --ignore-glob='tests/integration/hub_usage/dummyhub*' tests/integration/docarray_v2/test_parameters_as_pydantic.py
           pytest --suppress-no-test-exit-code --force-flaky --min-passes 1 --max-runs 5 --cov=jina --cov-report=xml --timeout=600 -v -s --ignore-glob='tests/integration/hub_usage/dummyhub*' tests/integration/docarray_v2/test_streaming.py
-          pytest --suppress-no-test-exit-code --force-flaky --min-passes 1 --max-runs 5 --cov=jina --cov-report=xml --timeout=600 -v -s --ignore-glob='tests/integration/hub_usage/dummyhub*' tests/integration/docarray_v2/sagemaker/test_sagemaker.py
+          pytest --suppress-no-test-exit-code --force-flaky --min-passes 1 --max-runs 5 --cov=jina --cov-report=xml --timeout=600 -v -s --ignore-glob='tests/integration/hub_usage/dummyhub*' tests/integration/docarray_v2/sagemaker
           pytest --suppress-no-test-exit-code --force-flaky --min-passes 1 --max-runs 5 --cov=jina --cov-report=xml --timeout=600 -v -s --ignore-glob='tests/integration/hub_usage/dummyhub*' tests/integration/docarray_v2/docker
           echo "flag it as jina for codeoverage"
           echo "codecov_flag=jina" >> $GITHUB_OUTPUT

.github/workflows/ci.yml

@@ -485,7 +485,7 @@ jobs:
           pytest --suppress-no-test-exit-code --force-flaky --min-passes 1 --max-runs 5 --cov=jina --cov-report=xml --timeout=600 -v -s --ignore-glob='tests/integration/hub_usage/dummyhub*' tests/integration/docarray_v2/test_singleton.py
           pytest --suppress-no-test-exit-code --force-flaky --min-passes 1 --max-runs 5 --cov=jina --cov-report=xml --timeout=600 -v -s --ignore-glob='tests/integration/hub_usage/dummyhub*' tests/integration/docarray_v2/test_parameters_as_pydantic.py
           pytest --suppress-no-test-exit-code --force-flaky --min-passes 1 --max-runs 5 --cov=jina --cov-report=xml --timeout=600 -v -s --ignore-glob='tests/integration/hub_usage/dummyhub*' tests/integration/docarray_v2/test_streaming.py
-          pytest --suppress-no-test-exit-code --force-flaky --min-passes 1 --max-runs 5 --cov=jina --cov-report=xml --timeout=600 -v -s --ignore-glob='tests/integration/hub_usage/dummyhub*' tests/integration/docarray_v2/sagemaker/test_sagemaker.py
+          pytest --suppress-no-test-exit-code --force-flaky --min-passes 1 --max-runs 5 --cov=jina --cov-report=xml --timeout=600 -v -s --ignore-glob='tests/integration/hub_usage/dummyhub*' tests/integration/docarray_v2/sagemaker
           pytest --suppress-no-test-exit-code --force-flaky --min-passes 1 --max-runs 5 --cov=jina --cov-report=xml --timeout=600 -v -s --ignore-glob='tests/integration/hub_usage/dummyhub*' tests/integration/docarray_v2/docker
           echo "flag it as jina for codeoverage"
           echo "codecov_flag=jina" >> $GITHUB_OUTPUT

jina/serve/executors/__init__.py

@@ -68,7 +68,10 @@ def is_pydantic_model(annotation: Type) -> bool:
     :param annotation: The annotation from which to extract PydantiModel.
     :return: boolean indicating if a Pydantic model is inside the annotation
     """
-    from typing import get_args, get_origin
+    try:
+        from typing import get_args, get_origin
+    except ImportError:
+        from typing_extensions import get_args, get_origin
 
     from pydantic import BaseModel
 

jina/serve/runtimes/worker/http_sagemaker_app.py

@@ -76,7 +76,15 @@ def add_post_route(
         input_doc_list_model=None,
         output_doc_list_model=None,
     ):
+        import json
+        from typing import List, Type, Union
+        try:
+            from typing import get_args, get_origin
+        except ImportError:
+            from typing_extensions import get_args, get_origin
+
         from docarray.base_doc.docarray_response import DocArrayResponse
+        from pydantic import BaseModel, ValidationError, parse_obj_as
 
         app_kwargs = dict(
             path=f'/{endpoint_path.strip("/")}',
@@ -145,6 +153,47 @@ async def post(request: Request):
                         detail='Invalid CSV input. Please check your input.',
                     )
 
+                def construct_model_from_line(
+                    model: Type[BaseModel], line: List[str]
+                ) -> BaseModel:
+                    parsed_fields = {}
+                    model_fields = model.__fields__
+
+                    for field_str, (field_name, field_info) in zip(
+                        line, model_fields.items()
+                    ):
+                        field_type = field_info.outer_type_
+
+                        # Handle Union types by attempting to arse each potential type
+                        if get_origin(field_type) is Union:
+                            for possible_type in get_args(field_type):
+                                if possible_type is str:
+                                    parsed_fields[field_name] = field_str
+                                    break
+                                else:
+                                    try:
+                                        parsed_fields[field_name] = parse_obj_as(
+                                            possible_type, json.loads(field_str)
+                                        )
+                                        break
+                                    except (json.JSONDecodeError, ValidationError):
+                                        continue
+                        # Handle list of nested models
+                        elif get_origin(field_type) is list:
+                            list_item_type = get_args(field_type)[0]
+                            parsed_list = json.loads(field_str)
+                            if issubclass(list_item_type, BaseModel):
+                                parsed_fields[field_name] = parse_obj_as(
+                                    List[list_item_type], parsed_list
+                                )
+                            else:
+                                parsed_fields[field_name] = parsed_list
+                        # Handle direct assignment for basic types
+                        else:
+                            parsed_fields[field_name] = field_info.type_(field_str)
+
+                    return model(**parsed_fields)
+
                 # NOTE: Sagemaker only supports csv files without header, so we enforce
                 # the header by getting the field names from the input model.
                 # This will also enforce the order of the fields in the csv file.
@@ -165,7 +214,7 @@ async def post(request: Request):
                             detail=f'Invalid CSV format. Line {line} doesn\'t match '
                             f'the expected field order {field_names}.',
                         )
-                    data.append(input_doc_list_model(**dict(zip(field_names, line))))
+                    data.append(construct_model_from_line(input_doc_list_model, line))
 
                 return await process(input_model(data=data))
 

tests/integration/docarray_v2/sagemaker/SampleRerankerExecutor/README.md

@@ -0,0 +1,2 @@
+# SampleRerankerExecutor
+

tests/integration/docarray_v2/sagemaker/SampleRerankerExecutor/config.yml

@@ -0,0 +1,8 @@
+jtype: SampleRerankerExecutor
+py_modules:
+  - executor.py
+metas:
+  name: SampleRerankerExecutor
+  description: 
+  url: 
+  keywords: []

tests/integration/docarray_v2/sagemaker/SampleRerankerExecutor/executor.py

@@ -0,0 +1,53 @@
+from docarray import BaseDoc, DocList
+from pydantic import Field
+from typing import Union, Optional, List
+from jina import Executor, requests
+
+
+class TextDoc(BaseDoc):
+    text: str = Field(description="The text of the document", default="")
+
+
+class RerankerInput(BaseDoc):
+    query: Union[str, TextDoc]
+
+    documents: List[TextDoc]
+
+    top_n: Optional[int]
+
+
+class RankedObjectOutput(BaseDoc):
+    index: int
+    document: Optional[TextDoc]
+
+    relevance_score: float
+
+
+class RankedOutput(BaseDoc):
+    results: DocList[RankedObjectOutput]
+
+
+class SampleRerankerExecutor(Executor):
+    @requests(on="/rerank")
+    def foo(self, docs: DocList[RerankerInput], **kwargs) -> DocList[RankedOutput]:
+        ret = []
+        for doc in docs:
+            ret.append(
+                RankedOutput(
+                    results=[
+                        RankedObjectOutput(
+                            id=doc.id,
+                            index=0,
+                            document=TextDoc(text="first result"),
+                            relevance_score=-1,
+                        ),
+                        RankedObjectOutput(
+                            id=doc.id,
+                            index=1,
+                            document=TextDoc(text="second result"),
+                            relevance_score=-2,
+                        ),
+                    ]
+                )
+            )
+        return DocList[RankedOutput](ret)