handle duplicates and docx

docker/workers/Dockerfile

@@ -9,7 +9,11 @@ COPY src/ ./src/
 
 # Install dependencies
 RUN apt-get update && apt-get install -y \
-        libpq-dev gcc && \
+    libpq-dev gcc pandoc \
+    texlive-full texlive-fonts-recommended texlive-plain-generic \
+    # For optional LibreOffice support (uncomment if needed)
+    # libreoffice-writer \
+    && \
     pip install -e ".[workers]" && \
     apt-get purge -y gcc && apt-get autoremove -y && rm -rf /var/lib/apt/lists/*
 

requirements-workers.txt

@@ -1,3 +1,4 @@
 celery==5.3.6
 openai==1.25.0
 pillow==10.3.0
+pypandoc==1.15.0

src/memory/common/db/models.py

@@ -22,11 +22,12 @@ from sqlalchemy import (
     Numeric,
     String,
     Text,
+    event,
     func,
 )
 from sqlalchemy.dialects.postgresql import BYTEA, JSONB, TSVECTOR
 from sqlalchemy.ext.declarative import declarative_base
-from sqlalchemy.orm import relationship
+from sqlalchemy.orm import relationship, Session
 
 from memory.common import settings
 from memory.common.parsers.email import parse_email_message
@@ -34,6 +35,50 @@ from memory.common.parsers.email import parse_email_message
 Base = declarative_base()
 
 
+@event.listens_for(Session, "before_flush")
+def handle_duplicate_sha256(session, flush_context, instances):
+    """
+    Event listener that efficiently checks for duplicate sha256 values before flush
+    and removes items with duplicate sha256 from the session.
+
+    Uses a single query to identify all duplicates rather than querying for each item.
+    """
+    # Find all SourceItem objects being added
+    new_items = [obj for obj in session.new if isinstance(obj, SourceItem)]
+    if not new_items:
+        return
+
+    items = {}
+    for item in new_items:
+        try:
+            if (sha256 := item.sha256) is None:
+                continue
+
+            if sha256 in items:
+                session.expunge(item)
+                continue
+
+            items[sha256] = item
+        except (AttributeError, TypeError):
+            continue
+
+    if not new_items:
+        return
+
+    # Query database for existing items with these sha256 values in a single query
+    existing_sha256s = set(
+        row[0]
+        for row in session.query(SourceItem.sha256).filter(
+            SourceItem.sha256.in_(items.keys())
+        )
+    )
+
+    # Remove objects with duplicate sha256 values from the session
+    for sha256 in existing_sha256s:
+        if sha256 in items:
+            session.expunge(items[sha256])
+
+
 def clean_filename(filename: str) -> str:
     return re.sub(r"[^a-zA-Z0-9_]", "_", filename).strip("_")
 
@@ -65,7 +110,7 @@ class Chunk(Base):
 
     @property
     def data(self) -> list[bytes | str | Image.Image]:
-        if not self.file_path:
+        if self.file_path is None:
             return [self.content]
 
         path = pathlib.Path(self.file_path)
@@ -178,7 +223,7 @@ class MailMessage(SourceItem):
             "sender": self.sender,
             "recipients": self.recipients,
             "folder": self.folder,
-            "tags": self.tags,
+            "tags": self.tags + [self.sender] + self.recipients,
             "date": self.sent_at and self.sent_at.isoformat() or None,
         }
 

src/memory/common/extract.py

@@ -2,15 +2,17 @@ from contextlib import contextmanager
 import io
 import pathlib
 import tempfile
+import pypandoc
 import pymupdf  # PyMuPDF
 from PIL import Image
-from typing import Any, TypedDict, Generator
+from typing import Any, TypedDict, Generator, Sequence
-
 
 
 MulitmodalChunk = Image.Image | str
+
+
 class Page(TypedDict):
-    contents: list[MulitmodalChunk]
+    contents: Sequence[MulitmodalChunk]
     metadata: dict[str, Any]
 
 
@@ -27,7 +29,7 @@ def as_file(content: bytes | str | pathlib.Path) -> Generator[pathlib.Path, None
 
 
 def page_to_image(page: pymupdf.Page) -> Image.Image:
-    pix = page.get_pixmap()
+    pix = page.get_pixmap()  # type: ignore
     return Image.frombytes("RGB", [pix.width, pix.height], pix.samples)
 
 
@@ -36,16 +38,37 @@ def doc_to_images(content: bytes | str | pathlib.Path) -> list[Page]:
         with pymupdf.open(file_path) as pdf:
             return [
                 {
-                    "contents": page_to_image(page),
+                    "contents": [page_to_image(page)],
                     "metadata": {
                         "page": page.number,
                         "width": page.rect.width,
                         "height": page.rect.height,
+                    },
                 }
-                } for page in pdf.pages()
+                for page in pdf.pages()
             ]
 
 
+def docx_to_pdf(
+    docx_path: pathlib.Path,
+    output_path: pathlib.Path | None = None,
+) -> pathlib.Path:
+    """Convert DOCX to PDF using pypandoc"""
+    if output_path is None:
+        output_path = docx_path.with_suffix(".pdf")
+
+    pypandoc.convert_file(str(docx_path), "pdf", outputfile=str(output_path))
+
+    return output_path
+
+
+def extract_docx(docx_path: pathlib.Path) -> list[Page]:
+    """Extract content from DOCX by converting to PDF first, then processing"""
+    with as_file(docx_path) as file_path:
+        pdf_path = docx_to_pdf(file_path)
+        return doc_to_images(pdf_path)
+
+
 def extract_image(content: bytes | str | pathlib.Path) -> list[Page]:
     if isinstance(content, pathlib.Path):
         image = Image.open(content)
@@ -68,6 +91,11 @@ def extract_text(content: bytes | str | pathlib.Path) -> list[Page]:
 def extract_content(mime_type: str, content: bytes | str | pathlib.Path) -> list[Page]:
     if mime_type == "application/pdf":
         return doc_to_images(content)
+    if isinstance(content, pathlib.Path) and mime_type in [
+        "application/vnd.openxmlformats-officedocument.wordprocessingml.document",
+        "application/msword",
+    ]:
+        return extract_docx(content)
     if mime_type.startswith("text/"):
         return extract_text(content)
     if mime_type.startswith("image/"):

tests/memory/common/db/test_models.py

@@ -0,0 +1,45 @@
+from memory.common.db.models import SourceItem
+from sqlalchemy.orm import Session
+
+
+def test_unique_source_items_same_commit(db_session: Session):
+    source_item1 = SourceItem(sha256=b"1234567890", content="test1", modality="email")
+    source_item2 = SourceItem(sha256=b"1234567890", content="test2", modality="email")
+    source_item3 = SourceItem(sha256=b"1234567891", content="test3", modality="email")
+    db_session.add(source_item1)
+    db_session.add(source_item2)
+    db_session.add(source_item3)
+    db_session.commit()
+
+    assert db_session.query(SourceItem.sha256, SourceItem.content).all() == [
+        (b"1234567890", "test1"),
+        (b"1234567891", "test3"),
+    ]
+
+
+def test_unique_source_items_previous_commit(db_session: Session):
+    db_session.add_all(
+        [
+            SourceItem(sha256=b"1234567890", content="test1", modality="email"),
+            SourceItem(sha256=b"1234567891", content="test2", modality="email"),
+            SourceItem(sha256=b"1234567892", content="test3", modality="email"),
+        ]
+    )
+    db_session.commit()
+
+    db_session.add_all(
+        [
+            SourceItem(sha256=b"1234567890", content="test4", modality="email"),
+            SourceItem(sha256=b"1234567893", content="test5", modality="email"),
+            SourceItem(sha256=b"1234567894", content="test6", modality="email"),
+        ]
+    )
+    db_session.commit()
+
+    assert db_session.query(SourceItem.sha256, SourceItem.content).all() == [
+        (b"1234567890", "test1"),
+        (b"1234567891", "test2"),
+        (b"1234567892", "test3"),
+        (b"1234567893", "test5"),
+        (b"1234567894", "test6"),
+    ]

tests/memory/common/test_extract.py

@@ -3,10 +3,26 @@ import pytest
 import pymupdf
 from PIL import Image
 import io
-from memory.common.extract import as_file, extract_text, extract_content, Page, doc_to_images, extract_image
+import shutil
+from memory.common.extract import (
+    as_file,
+    extract_text,
+    extract_content,
+    Page,
+    doc_to_images,
+    extract_image,
+    docx_to_pdf,
+    extract_docx,
+)
 
 
 REGULAMIN = pathlib.Path(__file__).parent.parent.parent / "data" / "regulamin.pdf"
+SAMPLE_DOCX = pathlib.Path(__file__).parent.parent.parent / "data" / "sample.docx"
+
+
+# Helper to check if pdflatex is available
+def is_pdflatex_available():
+    return shutil.which("pdflatex") is not None
 
 
 def test_as_file_with_path(tmp_path):
@@ -35,7 +51,7 @@ def test_as_file_with_str():
     [
         ("simple text", [{"contents": ["simple text"], "metadata": {}}]),
         (b"bytes text", [{"contents": ["bytes text"], "metadata": {}}]),
-    ]
+    ],
 )
 def test_extract_text(input_content, expected):
     assert extract_text(input_content) == expected
@@ -45,7 +61,9 @@ def test_extract_text_with_path(tmp_path):
     test_file = tmp_path / "test.txt"
     test_file.write_text("file text content")
 
-    assert extract_text(test_file) == [{"contents": ["file text content"], "metadata": {}}]
+    assert extract_text(test_file) == [
+        {"contents": ["file text content"], "metadata": {}}
+    ]
 
 
 def test_doc_to_images():
@@ -56,7 +74,7 @@ def test_doc_to_images():
         for page, pdf_page in zip(result, pdf.pages()):
             pix = pdf_page.get_pixmap()
             img = Image.frombytes("RGB", [pix.width, pix.height], pix.samples)
-            assert page["contents"] == img
+            assert page["contents"] == [img]
             assert page["metadata"] == {
                 "page": pdf_page.number,
                 "width": pdf_page.rect.width,
@@ -65,22 +83,22 @@ def test_doc_to_images():
 
 
 def test_extract_image_with_path(tmp_path):
-    img = Image.new('RGB', (100, 100), color='red')
+    img = Image.new("RGB", (100, 100), color="red")
     img_path = tmp_path / "test.png"
     img.save(img_path)
 
-    page, = extract_image(img_path)
+    (page,) = extract_image(img_path)
     assert page["contents"][0].tobytes() == img.convert("RGB").tobytes()
     assert page["metadata"] == {}
 
 
 def test_extract_image_with_bytes():
-    img = Image.new('RGB', (100, 100), color='blue')
+    img = Image.new("RGB", (100, 100), color="blue")
     buffer = io.BytesIO()
-    img.save(buffer, format='PNG')
+    img.save(buffer, format="PNG")
     img_bytes = buffer.getvalue()
 
-    page, = extract_image(img_bytes)
+    (page,) = extract_image(img_bytes)
     assert page["contents"][0].tobytes() == img.convert("RGB").tobytes()
     assert page["metadata"] == {}
 
@@ -97,17 +115,23 @@ def test_extract_image_with_str():
         ("text/html", "<html>content</html>"),
         ("text/markdown", "# Heading"),
         ("text/csv", "a,b,c"),
-    ]
+    ],
 )
 def test_extract_content_different_text_types(mime_type, content):
-    assert extract_content(mime_type, content) == [{"contents": [content], "metadata": {}}]
+    assert extract_content(mime_type, content) == [
+        {"contents": [content], "metadata": {}}
+    ]
 
 
 def test_extract_content_pdf():
     result = extract_content("application/pdf", REGULAMIN)
 
     assert len(result) == 2
-    assert all(isinstance(page["contents"], Image.Image) for page in result)
+    assert all(
+        isinstance(page["contents"], list)
+        and all(isinstance(c, Image.Image) for c in page["contents"])
+        for page in result
+    )
     assert all("page" in page["metadata"] for page in result)
     assert all("width" in page["metadata"] for page in result)
     assert all("height" in page["metadata"] for page in result)
@@ -115,11 +139,11 @@ def test_extract_content_pdf():
 
 def test_extract_content_image(tmp_path):
     # Create a test image
-    img = Image.new('RGB', (100, 100), color='red')
+    img = Image.new("RGB", (100, 100), color="red")
     img_path = tmp_path / "test_img.png"
     img.save(img_path)
 
-    result, = extract_content("image/png", img_path)
+    (result,) = extract_content("image/png", img_path)
 
     assert isinstance(result["contents"][0], Image.Image)
     assert result["contents"][0].size == (100, 100)
@@ -128,3 +152,37 @@ def test_extract_content_image(tmp_path):
 
 def test_extract_content_unsupported_type():
     assert extract_content("unsupported/type", "content") == []
+
+
+@pytest.mark.skipif(not is_pdflatex_available(), reason="pdflatex not installed")
+def test_docx_to_pdf(tmp_path):
+    output_path = tmp_path / "output.pdf"
+    result_path = docx_to_pdf(SAMPLE_DOCX, output_path)
+
+    assert result_path == output_path
+    assert result_path.exists()
+    assert result_path.suffix == ".pdf"
+
+    # Verify the PDF is valid by opening it
+    with pymupdf.open(result_path) as pdf:
+        assert pdf.page_count > 0
+
+
+@pytest.mark.skipif(not is_pdflatex_available(), reason="pdflatex not installed")
+def test_docx_to_pdf_default_output():
+    # Test with default output path
+    result_path = docx_to_pdf(SAMPLE_DOCX)
+
+    assert result_path == SAMPLE_DOCX.with_suffix(".pdf")
+    assert result_path.exists()
+
+
+@pytest.mark.skipif(not is_pdflatex_available(), reason="pdflatex not installed")
+def test_extract_docx():
+    pages = extract_docx(SAMPLE_DOCX)
+
+    assert len(pages) > 0
+    assert all(isinstance(page, dict) for page in pages)
+    assert all("contents" in page for page in pages)
+    assert all("metadata" in page for page in pages)
+    assert all(isinstance(page["contents"][0], Image.Image) for page in pages)