feat/add include_slide_notes parameter (#455)

## Description
* Added `include_slide_notes` parameter, default is `True`. Works for
`.ppt` and `.pptx` file extensions.
* Added two new files in `sample-docs`: `sample-docs/notes.ppt`,
`sample-docs/notes.pptx` that include notes on their slides. This is to
easily test the functionality, as there are no existing PowerPoint files
that include slide notes.

## Testing
```
#  using default value (True) returns additional NarrativeText element that contains notes
curl -X 'POST'   'http://localhost:8000/general/v0/general'   -H 'accept: application/json'   -H 'Content-Type: multipart/form-data'   -F 'files=@sample-docs/notes.pptx'   -F 'output_format="text/csv"' 

# explicit include_slide_notes=True returns additional NarrativeText element that contains notes
curl -X 'POST'   'http://localhost:8000/general/v0/general'   -H 'accept: application/json'   -H 'Content-Type: multipart/form-data'   -F 'files=@sample-docs/notes.pptx'   -F 'output_format="text/csv"' -F 'include_slide_notes=True'

# explicit include_slide_notes=False returns no NarrativeText element 
curl -X 'POST'   'http://localhost:8000/general/v0/general'   -H 'accept: application/json'   -H 'Content-Type: multipart/form-data'   -F 'files=@sample-docs/notes.pptx'   -F 'output_format="text/csv"' -F 'include_slide_notes=False'
```

Same with file `notes.ppt`

Author: mackurzawa

Diff for: CHANGELOG.md

@@ -1,3 +1,7 @@
+## 0.0.80-dev0
+
+* Add `include_slide_notes` parameter, indicating whether slide notes in `ppt` and `pptx` files should be partitioned. Default is `True`. Now, when slide notes are present in the file, they will be included alongside other elements, which may shift the index numbers of non-note elements. 
+
 ## 0.0.79
 
 * Bump to `unstructured` 0.15.7

Diff for: prepline_general/api/app.py

@@ -13,7 +13,7 @@
 app = FastAPI(
     title="Unstructured Pipeline API",
     summary="Partition documents with the Unstructured library",
-    version="0.0.79",
+    version="0.0.80",
     docs_url="/general/docs",
     openapi_url="/general/openapi.json",
     servers=[

Diff for: prepline_general/api/general.py

@@ -273,6 +273,7 @@ def pipeline_api(
     extract_image_block_types: Optional[List[str]] = None,
     unique_element_ids: Optional[bool] = False,
     starting_page_number: Optional[int] = None,
+    include_slide_notes: Optional[bool] = True,
 ) -> List[Dict[str, Any]] | str:
     if filename.endswith(".msg"):
         # Note(yuming): convert file type for msg files
@@ -316,6 +317,7 @@ def pipeline_api(
                         "overlap": overlap,
                         "overlap_all": overlap_all,
                         "starting_page_number": starting_page_number,
+                        "include_slide_notes": include_slide_notes,
                     },
                     default=str,
                 )
@@ -373,6 +375,7 @@ def pipeline_api(
                         "extract_image_block_types": extract_image_block_types,
                         "extract_image_block_to_payload": extract_image_block_to_payload,
                         "unique_element_ids": unique_element_ids,
+                        "include_slide_notes": include_slide_notes,
                     },
                     default=str,
                 )
@@ -403,6 +406,7 @@ def pipeline_api(
             "extract_image_block_to_payload": extract_image_block_to_payload,
             "unique_element_ids": unique_element_ids,
             "starting_page_number": starting_page_number,
+            "include_slide_notes": include_slide_notes,
         }
 
         if file_content_type == "application/pdf" and pdf_parallel_mode_enabled:
@@ -649,7 +653,7 @@ def return_content_type(filename: str):
 
 
 @router.get("/general/v0/general", include_in_schema=False)
-@router.get("/general/v0.0.79/general", include_in_schema=False)
+@router.get("/general/v0.0.80/general", include_in_schema=False)
 async def handle_invalid_get_request():
     raise HTTPException(
         status_code=status.HTTP_405_METHOD_NOT_ALLOWED, detail="Only POST requests are supported."
@@ -664,7 +668,7 @@ async def handle_invalid_get_request():
     description="Description",
     operation_id="partition_parameters",
 )
-@router.post("/general/v0.0.79/general", include_in_schema=False)
+@router.post("/general/v0.0.80/general", include_in_schema=False)
 def general_partition(
     request: Request,
     # cannot use annotated type here because of a bug described here:
@@ -747,6 +751,7 @@ def response_generator(is_multipart: bool):
                 overlap=form_params.overlap,
                 overlap_all=form_params.overlap_all,
                 starting_page_number=form_params.starting_page_number,
+                include_slide_notes=form_params.include_slide_notes,
             )
 
             yield (

Diff for: prepline_general/api/models/form_params.py

@@ -36,6 +36,7 @@ class GeneralFormParams(BaseModel):
     overlap: int
     overlap_all: bool
     starting_page_number: Optional[int] = None
+    include_slide_notes: bool
 
     @classmethod
     def as_form(
@@ -246,6 +247,17 @@ def as_form(
                 example=3,
             ),
         ] = None,
+        include_slide_notes: Annotated[
+            bool,
+            Form(
+                title="include_slide_notes",
+                description=(
+                    "When `True`, slide notes from .ppt and .pptx files"
+                    " will be included in the response. Default: `True`"
+                ),
+                example=False,
+            ),
+        ] = True,
     ) -> "GeneralFormParams":
         return cls(
             xml_keep_tags=xml_keep_tags,
@@ -273,4 +285,5 @@ def as_form(
             overlap_all=overlap_all,
             unique_element_ids=unique_element_ids,
             starting_page_number=starting_page_number,
+            include_slide_notes=include_slide_notes,
         )

Diff for: preprocessing-pipeline-family.yaml

@@ -1,2 +1,2 @@
 name: general
-version: 0.0.79
+version: 0.0.80

Diff for: sample-docs/notes.ppt

@@ -701,6 +701,7 @@ def test_parallel_mode_passes_params(monkeypatch):
             "new_after_n_chars": "1501",
             "overlap": "25",
             "overlap_all": "true",
+            "include_slide_notes": "true",
         },
     )
 
@@ -733,6 +734,7 @@ def test_parallel_mode_passes_params(monkeypatch):
         new_after_n_chars=1501,
         overlap=25,
         overlap_all=True,
+        include_slide_notes=True,
     )
 
 
@@ -1147,3 +1149,38 @@ def test__set_pdf_infer_table_structure(
         )
         is expected
     )
+
+
+@pytest.mark.parametrize(
+    ("test_default", "include_slide_notes", "test_file"),
+    [
+        (True, None, Path("sample-docs") / "notes.ppt"),
+        (True, None, Path("sample-docs") / "notes.pptx"),
+        (False, True, Path("sample-docs") / "notes.ppt"),
+        (False, True, Path("sample-docs") / "notes.pptx"),
+        (False, False, Path("sample-docs") / "notes.ppt"),
+        (False, False, Path("sample-docs") / "notes.pptx"),
+    ],
+)
+def test_include_slide_notes(monkeypatch, test_default, include_slide_notes, test_file):
+    """
+    Verifies that the output includes slide notes when the include_slide_notes parameter
+    is left as default or explicitly set to True.
+    """
+    client = TestClient(app)
+    data = (
+        {"output_format": "text/csv"}
+        if test_default
+        else {"include_slide_notes": str(include_slide_notes), "output_format": "text/csv"}
+    )
+    response = client.post(
+        MAIN_API_ROUTE,
+        files=[("files", (str(test_file), open(test_file, "rb")))],
+        data=data,
+    )
+    df = pd.read_csv(io.StringIO(response.text))
+
+    if include_slide_notes or test_default:
+        assert "Here are important notes" == df["text"][0]
+    else:
+        assert "Here are important notes" != df["text"][0]