feat: add more options in the CLI

Signed-off-by: Michele Dolfi <dol@zurich.ibm.com>

docling/cli/main.py

@@ -5,12 +5,15 @@ import time
 import warnings
 from enum import Enum
 from pathlib import Path
-from typing import Annotated, Dict, Iterable, List, Optional
+from typing import Annotated, Dict, Iterable, List, Optional, Type
 
 import typer
 from docling_core.utils.file import resolve_file_source
 
 from docling.backend.docling_parse_backend import DoclingParseDocumentBackend
+from docling.backend.docling_parse_v2_backend import DoclingParseV2DocumentBackend
+from docling.backend.pdf_backend import PdfDocumentBackend
+from docling.backend.pypdfium2_backend import PyPdfiumDocumentBackend
 from docling.datamodel.base_models import (
     ConversionStatus,
     FormatToExtensions,
@@ -22,6 +25,7 @@ from docling.datamodel.pipeline_options import (
     EasyOcrOptions,
     OcrOptions,
     PdfPipelineOptions,
+    TableFormerMode,
     TesseractCliOcrOptions,
     TesseractOcrOptions,
 )
@@ -58,9 +62,10 @@ def version_callback(value: bool):
 
 
 # Define an enum for the backend options
-class Backend(str, Enum):
+class PdfBackend(str, Enum):
     PYPDFIUM2 = "pypdfium2"
-    DOCLING = "docling"
+    DLPARSE_V1 = "dlparse_v1"
+    DLPARSE_V2 = "dlparse_v2"
 
 
 # Define an enum for the ocr engines
@@ -151,6 +156,13 @@ def convert(
     ocr_engine: Annotated[
         OcrEngine, typer.Option(..., help="The OCR engine to use.")
     ] = OcrEngine.EASYOCR,
+    pdf_backend: Annotated[
+        PdfBackend, typer.Option(..., help="The PDF backend to use.")
+    ] = PdfBackend.DLPARSE_V1,
+    table_mode: Annotated[
+        TableFormerMode,
+        typer.Option(..., help="The mode to use in the table structure model."),
+    ] = TableFormerMode.FAST,
     abort_on_error: Annotated[
         bool,
         typer.Option(
@@ -217,11 +229,22 @@ def convert(
         do_table_structure=True,
     )
     pipeline_options.table_structure_options.do_cell_matching = True  # do_cell_matching
+    pipeline_options.table_structure_options.mode = table_mode
+
+    match pdf_backend:
+        case PdfBackend.DLPARSE_V1:
+            backend: Type[PdfDocumentBackend] = DoclingParseDocumentBackend
+        case PdfBackend.DLPARSE_V2:
+            backend = DoclingParseV2DocumentBackend
+        case PdfBackend.PYPDFIUM2:
+            backend = PyPdfiumDocumentBackend
+        case _:
+            raise RuntimeError(f"Unexpected PDF backend type {pdf_backend}")
 
     format_options: Dict[InputFormat, FormatOption] = {
         InputFormat.PDF: PdfFormatOption(
             pipeline_options=pipeline_options,
-            backend=DoclingParseDocumentBackend,  # pdf_backend
+            backend=backend,  # pdf_backend
         )
     }
     doc_converter = DocumentConverter(

docling/datamodel/pipeline_options.py

@@ -1,4 +1,4 @@
-from enum import Enum, auto
+from enum import Enum
 from pathlib import Path
 from typing import List, Literal, Optional, Union
 
@@ -6,8 +6,8 @@ from pydantic import BaseModel, ConfigDict, Field
 
 
 class TableFormerMode(str, Enum):
-    FAST = auto()
+    FAST = "fast"
-    ACCURATE = auto()
+    ACCURATE = "accurate"
 
 
 class TableStructureOptions(BaseModel):