fix: disable formula recognition and add env var to toggle

backends/docling.py

@@ -10,7 +10,7 @@ from docling.datamodel.settings import settings
 from docling.document_converter import DocumentConverter, PdfFormatOption
 from docling_core.types.doc import ImageRefMode
 
-from .settings import ENABLE_DEBUG_MODE
+from .settings import ENABLE_DEBUG_MODE, ENABLE_FORMULA
 
 DOCLING_DEBUG_PATH = Path("/tmp/docling")
 
@@ -20,7 +20,7 @@ pipeline_options = PdfPipelineOptions()
 pipeline_options.accelerator_options = accelerator_options
 pipeline_options.do_ocr = True
 pipeline_options.do_table_structure = True
-pipeline_options.do_formula_enrichment = True
+pipeline_options.do_formula_enrichment = ENABLE_FORMULA
 pipeline_options.generate_picture_images = True
 pipeline_options.images_scale = 2.0
 

backends/marker.py

@@ -6,11 +6,18 @@ from pathlib import Path
 from marker.converters.pdf import PdfConverter
 from marker.models import create_model_dict
 from marker.output import text_from_rendered
+from marker.processors.equation import EquationProcessor
 from marker.settings import settings
 
-from .settings import ENABLE_DEBUG_MODE
+from .settings import ENABLE_DEBUG_MODE, ENABLE_FORMULA
 
 # Marker init
+if not ENABLE_FORMULA:
+    PdfConverter.default_processors = (
+        processor
+        for processor in PdfConverter.default_processors
+        if processor != EquationProcessor
+    )
 marker_converter = PdfConverter(
     artifact_dict=create_model_dict(),
     config={

backends/mineru.py

@@ -7,7 +7,7 @@ import pymupdf
 from magic_pdf.data.data_reader_writer import FileBasedDataReader
 from magic_pdf.tools.common import do_parse, prepare_env
 
-from .settings import ENABLE_DEBUG_MODE
+from .settings import ENABLE_DEBUG_MODE, ENABLE_FORMULA
 
 MINERU_DEBUG_PATH = Path("/tmp/mineru")
 MINERU_DEBUG_PATH.mkdir(exist_ok=True)
@@ -52,7 +52,7 @@ def do_process_mineru(input_path, output_dir):
         f_dump_orig_pdf=False,
         f_draw_layout_bbox=ENABLE_DEBUG_MODE,
         f_draw_char_bbox=False,
-        formula_enable=True,
+        formula_enable=ENABLE_FORMULA,
         table_enable=True,
     )
     return local_md_dir, file_name

backends/settings.py

@@ -1,3 +1,4 @@
 import os
 
 ENABLE_DEBUG_MODE = os.environ.get("ENABLE_DEBUG_MODE", "True").lower() == "true"
+ENABLE_FORMULA = os.environ.get("ENABLE_FORMULA", "False").lower() == "true"