From ccfb47d2c5fbf452fabcee6465c1aa3e63f9feed Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E8=93=9D=E7=A0=B4=E7=A2=8E=E5=8D=8A=E5=9C=86/=E7=A0=B4?=
 =?UTF-8?q?=E7=A2=8E=E8=93=9D=E8=B0=83?= <Zeninexu@gmail.com>
Date: Thu, 20 Aug 2026 13:23:03 +0000
Subject: [PATCH] feat: support ODT document extraction (#39973)

Co-authored-by: Crazywoola <100913391+crazywoola@users.noreply.github.com>
Co-authored-by: autofix-ci[bot] <114827586+autofix-ci[bot]@users.noreply.github.com>
Co-authored-by: Asuka Minato <i@asukaminato.eu.org>
---
 api/constants/__init__.py                     |  2 +
 .../nodes/test_document_extractor_node.py     | 42 +++++++++++++++++++
 api/tests/unit_tests/test_constants.py        | 25 +++++++++++
 3 files changed, 69 insertions(+)
 create mode 100644 api/tests/unit_tests/test_constants.py

diff --git a/api/constants/__init__.py b/api/constants/__init__.py
index 8698fb855de..095cfbb8610 100644
--- a/api/constants/__init__.py
+++ b/api/constants/__init__.py
@@ -36,6 +36,7 @@ _UNSTRUCTURED_DOCUMENT_EXTENSION_BASE: frozenset[str] = frozenset(
         "pptx",
         "xml",
         "epub",
+        "odt",
     )
 )
 _DEFAULT_DOCUMENT_EXTENSION_BASE: frozenset[str] = frozenset(
@@ -53,6 +54,7 @@ _DEFAULT_DOCUMENT_EXTENSION_BASE: frozenset[str] = frozenset(
         "csv",
         "vtt",
         "properties",
+        "odt",
     )
 )
 
diff --git a/api/tests/unit_tests/core/workflow/nodes/test_document_extractor_node.py b/api/tests/unit_tests/core/workflow/nodes/test_document_extractor_node.py
index d8d3c1ecc2e..ee094732b65 100644
--- a/api/tests/unit_tests/core/workflow/nodes/test_document_extractor_node.py
+++ b/api/tests/unit_tests/core/workflow/nodes/test_document_extractor_node.py
@@ -441,6 +441,48 @@ def test_extract_text_from_excel_numeric_type_column(mock_excel_file):
     assert expected_manual == result
 
 
+@pytest.mark.parametrize(
+    ("extension", "mime_type", "route_label"),
+    [
+        (".odt", "text/plain", "extension"),
+        (None, "application/vnd.oasis.opendocument.text", "mime_type"),
+    ],
+)
+def test_extract_text_from_file_routes_odt_inputs_to_graphon_odt_extractor(
+    document_extractor_node,
+    extension,
+    mime_type,
+    route_label,
+):
+    file = Mock(spec=File)
+    file.extension = extension
+    file.mime_type = mime_type
+
+    def fake_partition(file_content, *, suffix, unstructured_api_config, load_local_partition, render_element):
+        assert file_content == b"odt content"
+        assert suffix == ".odt"
+        assert unstructured_api_config == document_extractor_node._unstructured_api_config
+        assert load_local_partition.__name__ == "_load_partition_odt"
+        assert render_element is not None
+        return f"extracted through {route_label}"
+
+    with (
+        patch(
+            "graphon.nodes.document_extractor.node._download_file_content",
+            return_value=b"odt content",
+        ) as mock_download,
+        patch("graphon.nodes.document_extractor.node._partition_unstructured_file", side_effect=fake_partition),
+    ):
+        text = _extract_text_from_file(
+            document_extractor_node.http_client,
+            file,
+            unstructured_api_config=document_extractor_node._unstructured_api_config,
+        )
+
+    assert text == f"extracted through {route_label}"
+    mock_download.assert_called_once_with(document_extractor_node.http_client, file)
+
+
 @pytest.mark.parametrize(
     ("extension", "mime_type"),
     [
diff --git a/api/tests/unit_tests/test_constants.py b/api/tests/unit_tests/test_constants.py
new file mode 100644
index 00000000000..e40744a894a
--- /dev/null
+++ b/api/tests/unit_tests/test_constants.py
@@ -0,0 +1,25 @@
+import importlib
+
+import pytest
+
+import constants
+from configs import dify_config
+
+
+@pytest.mark.parametrize("etl_type", ["SelfHosted", "Unstructured"])
+def test_document_extensions_include_odt_for_document_etl_modes(monkeypatch: pytest.MonkeyPatch, etl_type: str) -> None:
+    original_etl_type = dify_config.ETL_TYPE
+    original_unstructured_api_url = dify_config.UNSTRUCTURED_API_URL
+
+    try:
+        monkeypatch.setattr(dify_config, "ETL_TYPE", etl_type)
+        monkeypatch.setattr(dify_config, "UNSTRUCTURED_API_URL", None)
+
+        reloaded_constants = importlib.reload(constants)
+
+        assert "odt" in reloaded_constants.DOCUMENT_EXTENSIONS
+        assert "ODT" in reloaded_constants.DOCUMENT_EXTENSIONS
+    finally:
+        monkeypatch.setattr(dify_config, "ETL_TYPE", original_etl_type)
+        monkeypatch.setattr(dify_config, "UNSTRUCTURED_API_URL", original_unstructured_api_url)
+        importlib.reload(constants)