port 4llm functions to PyMuPDF API

src/__init__.py

@@ -26742,7 +26742,24 @@ def deprecated_function( *args, **kwargs):
         f'Python {sys.version_info[0]}.{sys.version_info[1]} running on {sys.platform} ({64 if sys.maxsize > 2**32 else 32}-bit).\n'
         )
 
+
+def _to_markdown(*args, **kwargs):
+    return pymupdf4llm.to_markdown(*args, **kwargs)
+def _to_text(*args, **kwargs):
+    return pymupdf4llm.to_text(*args, **kwargs)
+def _to_json(*args, **kwargs):
+    return pymupdf4llm.to_json(*args, **kwargs)
+def _to_chunks(*args, **kwargs):
+    return pymupdf4llm.to_chunks(*args, **kwargs)
+def _convert_batch(*args, **kwargs):
+    return pymupdf4llm.convert_batch(*args, **kwargs)
+
 try:
     import pymupdf4llm   # noqa: F401
-except ImportError:
+    Document.to_markdown = _to_markdown   # noqa: F401
+    Document.to_text = _to_text   # noqa: F401
+    Document.to_json = _to_json   # noqa: F401
+    Document.to_chunks = _to_chunks   # noqa: F401
+    convert_batch = _convert_batch   # noqa: F401
+except (ImportError, ModuleNotFoundError):
     pass

tests/test_configurations.py

@@ -0,0 +1,30 @@
+import pymupdf
+import pathlib
+import util
+
+
+def test_configuration_layout():
+    if not util._use_layout() :
+        print("not testing: layout feature not available")
+        return
+
+    doc = pymupdf.open()
+    page = doc.new_page()
+    page.insert_text((72, 72), "Hallo Welt!\nSeid umschlungen, Millionen!")
+
+    out1 = doc.to_markdown()
+    out2 = pymupdf.pymupdf4llm.to_markdown(doc)
+    assert out1 == out2
+
+    out1 = doc.to_text()
+    out2 = pymupdf.pymupdf4llm.to_text(doc)
+    assert out1 == out2
+
+    out1 = doc.to_chunks()
+    out2 = pymupdf.pymupdf4llm.to_chunks(doc)
+    assert repr(out1) == repr(out2), f"{out1=} != {out2=}"
+
+    out1 = doc.to_json()
+    out2 = pymupdf.pymupdf4llm.to_json(doc)
+    assert out1 == out2
+