fix: update libreoffice to 25.2.7

Dockerfile

@@ -13,12 +13,14 @@
 RUN apt-get update && \
     apt-get install --no-install-recommends -y \
         ca-certificates \
-        # Libreoffice is required for MS office documents
-        libreoffice=4:24.2.7-0ubuntu0.24.04.4 \
         libmagic1 \
         # Dependency for opencv library
         libgl1 \
         && \
+    apt-get install --no-install-recommends -y -t noble-backports \
+        # Libreoffice is required for MS office documents
+        libreoffice=4:25.2.7-0ubuntu0.25.04.1~bpo24.04.1 \
+        && \
     # Cleanup apt cache in the same command to reduce size
     apt-get clean && rm -rf /var/lib/apt/lists/*
 
@@ -73,7 +75,7 @@
     apt-get install --no-install-recommends -y git
 
 # Copy the whole repository
 COPY . /opt/aidial_rag_repo
 WORKDIR /opt/aidial_rag_repo
 
 RUN python collect_repository_digest.py /opt/repository-digest.json

Makefile

@@ -3,7 +3,7 @@ IMAGE_NAME ?= ai-dial-rag
 PLATFORM ?= linux/amd64
 POETRY ?= poetry
 DOCKER ?= docker
-LIBREOFFICE_UBUNTU_VERSION ?= 4:24.2.7-0ubuntu0.24.04.4
+LIBREOFFICE_UBUNTU_VERSION ?= 4:25.2.7-0ubuntu0.25.04.1~bpo24.04.1
 ARGS ?=
 
 # Check for CI environment
@@ -43,7 +43,7 @@ format: install_nox
 install_libreoffice:
 	@echo "Installing LibreOffice..."
 	sudo apt-get update
-	sudo apt-get install --no-install-recommends -y libreoffice=$(LIBREOFFICE_UBUNTU_VERSION)
+	sudo apt-get install --no-install-recommends -y -t noble-backports libreoffice=$(LIBREOFFICE_UBUNTU_VERSION)
 
 test: install_nox $(if $(CI), install_libreoffice)
 	$(POETRY) run nox -- -s test -- $(ARGS)

tests/test_load_documents.py

@@ -3,6 +3,7 @@
 import pytest
 
 from aidial_rag.attachment_link import AttachmentLink
+from aidial_rag.converter import convert_document_if_needed
 from aidial_rag.document_loaders import load_attachment, parse_document
 from tests.utils.local_http_server import start_local_server
 
@@ -19,8 +20,16 @@ async def load_document(name):
         display_name=name,
     )
 
-    file_metadata, buffer = await load_attachment(attachment_link, {})
-    mime_type = file_metadata.mime_type
+    file_metadata, original_file_bytes = await load_attachment(
+        attachment_link, {}
+    )
+
+    mime_type, buffer = await convert_document_if_needed(
+        mime_type=file_metadata.mime_type,
+        doc_bytes=original_file_bytes,
+        io_stream=sys.stderr,
+    )
+
     chunks = await parse_document(
         sys.stderr, buffer, mime_type, attachment_link, mime_type
     )
@@ -69,3 +78,18 @@ async def test_load_single_line_text(local_server):
     assert chunks[0].metadata["filetype"] == "text/plain"
     assert "page_number" not in chunks[0].metadata
     assert "orig_elements" not in chunks[0].metadata
+
+
+@pytest.mark.asyncio
+async def test_load_docx_with_long_table(local_server):
+    """Test that docx with long table can be loaded successfully.
+
+    Older versions of libreoffice may hang when converting this docx to pdf.
+    See https://ask.libreoffice.org/t/file-can-be-converted-to-pdf-using-gui-but-not-with-cmd/125926/3
+    """
+
+    chunks = await load_document("test_long_table.docx")
+    assert len(chunks) == 22
+    assert chunks[0].page_content.startswith("X")
+    assert chunks[0].metadata["filetype"] == "application/pdf"
+    assert chunks[0].metadata["page_number"] == 1