Add pymupdf4llm_html_tables pipeline (thread table_output=html through the provider)

src/parse_bench/inference/pipelines/parse.py

@@ -526,6 +526,15 @@ def register_parse_pipelines(register_fn) -> None:  # type: ignore[no-untyped-de
         )
     )
 
+    register_fn(
+        PipelineSpec(
+            pipeline_name="pymupdf4llm_html_tables",
+            provider_name="pymupdf4llm",
+            product_type=ProductType.PARSE,
+            config={"table_output": "html"},
+        )
+    )
+
     register_fn(
         PipelineSpec(
             pipeline_name="markitdown",

src/parse_bench/inference/providers/parse/pymupdf4llm.py

@@ -89,6 +89,19 @@ def _markdown_options(self, pymupdf: Any) -> dict[str, Any]:
                 raise ProviderConfigError("PyMuPDF4LLM 'ocr_language' must be a non-empty string")
             options["ocr_language"] = ocr_language
 
+        table_output = self.base_config.get("table_output")
+        if table_output is not None:
+            if not isinstance(table_output, str):
+                raise ProviderConfigError("PyMuPDF4LLM 'table_output' must be a string")
+            normalized_table_output = table_output.strip().lower()
+            if normalized_table_output not in ("markdown", "html"):
+                raise ProviderConfigError("PyMuPDF4LLM 'table_output' must be 'markdown' or 'html'")
+            # Opt-in HTML table rendering. pymupdf4llm builds that ship the native
+            # HTML table engine emit structured <table> markup for table_output="html";
+            # builds without it ignore the extra keyword, so the default markdown
+            # pipelines above are unaffected.
+            options["table_output"] = normalized_table_output
+
         raw_backend = self.base_config.get("ocr_backend")
         if raw_backend is None:
             return options

tests/parse_bench/inference/providers/parse/test_pymupdf4llm.py

@@ -1,5 +1,8 @@
 """Tests for PyMuPDF4LLM layout normalization helpers."""
 
+import pytest
+
+from parse_bench.inference.providers.base import ProviderConfigError
 from parse_bench.inference.providers.parse.pymupdf4llm import (
     _PYMUPDF_CLASS_TO_CANONICAL,
     PyMuPDF4LLMProvider,
@@ -29,3 +32,21 @@ def test_build_layout_page_maps_all_pymupdf_classes() -> None:
 
     assert page is not None
     assert [item.layout_segments[0].label for item in page.items] == list(_PYMUPDF_CLASS_TO_CANONICAL.values())
+
+
+def test_markdown_options_threads_table_output() -> None:
+    provider = PyMuPDF4LLMProvider("pymupdf4llm", {"table_output": "html"})
+    options = provider._markdown_options(None)
+    assert options["table_output"] == "html"
+
+
+def test_markdown_options_omits_table_output_by_default() -> None:
+    provider = PyMuPDF4LLMProvider("pymupdf4llm", {})
+    options = provider._markdown_options(None)
+    assert "table_output" not in options
+
+
+def test_markdown_options_rejects_unknown_table_output() -> None:
+    provider = PyMuPDF4LLMProvider("pymupdf4llm", {"table_output": "xml"})
+    with pytest.raises(ProviderConfigError):
+        provider._markdown_options(None)