Promoting 0.1.2a1 to 0.1.2 (#1272)

Co-authored-by: luhualin

.gitignore

@@ -164,3 +164,4 @@ cython_debug/
 #.idea/
 src/.DS_Store
 .DS_Store
+.cursorrules

README.md

@@ -4,6 +4,9 @@
 ![PyPI - Downloads](https://img.shields.io/pypi/dd/markitdown)
 [![Built by AutoGen Team](https://img.shields.io/badge/Built%20by-AutoGen%20Team-blue)](https://github.com/microsoft/autogen)
 
+> [!TIP]
+> MarkItDown now offers an MCP (Model Context Protocol) server for integration with LLM applications like Claude Desktop. See [markitdown-mcp](https://github.com/microsoft/markitdown/tree/main/packages/markitdown-mcp) for more information.
+
 > [!IMPORTANT]
 > Breaking changes between 0.0.1 to 0.1.0:
 > * Dependencies are now organized into optional feature-groups (further details below). Use `pip install 'markitdown[all]'` to have backward-compatible behavior. 
@@ -36,6 +39,31 @@ responses unprompted. This suggests that they have been trained on vast amounts
 Markdown-formatted text, and understand it well. As a side benefit, Markdown conventions
 are also highly token-efficient.
 
+## Prerequisites
+MarkItDown requires Python 3.10 or higher. It is recommended to use a virtual environment to avoid dependency conflicts.
+
+With the standard Python installation, you can create and activate a virtual environment using the following commands:
+
+```bash
+python -m venv .venv
+source .venv/bin/activate
+```
+
+If using `uv`, you can create a virtual environment with:
+
+```bash
+uv venv --python=3.12 .venv
+source .venv/bin/activate
+# NOTE: Be sure to use 'uv pip install' rather than just 'pip install' to install packages in this virtual environment
+```
+
+If you are using Anaconda, you can create a virtual environment with:
+
+```bash
+conda create -n markitdown python=3.12
+conda activate markitdown
+```
+
 ## Installation
 
 To install MarkItDown, use pip: `pip install 'markitdown[all]'`. Alternatively, you can install it from the source:
@@ -43,7 +71,7 @@ To install MarkItDown, use pip: `pip install 'markitdown[all]'`. Alternatively,
 ```bash
 git clone git@github.com:microsoft/markitdown.git
 cd markitdown
-pip install -e packages/markitdown[all]
+pip install -e 'packages/markitdown[all]'
 ```
 
 ## Usage
@@ -70,7 +98,7 @@ cat path-to-file.pdf | markitdown
 MarkItDown has optional dependencies for activating various file formats. Earlier in this document, we installed all optional dependencies with the `[all]` option. However, you can also install them individually for more control. For example:
 
 ```bash
-pip install markitdown[pdf, docx, pptx]
+pip install 'markitdown[pdf, docx, pptx]'
 ```
 
 will install only the dependencies for PDF, DOCX, and PPTX files.

packages/markitdown-mcp/Dockerfile

@@ -0,0 +1,26 @@
+FROM python:3.13-slim-bullseye
+
+ENV DEBIAN_FRONTEND=noninteractive
+ENV EXIFTOOL_PATH=/usr/bin/exiftool
+ENV FFMPEG_PATH=/usr/bin/ffmpeg
+
+# Runtime dependency
+RUN apt-get update && apt-get install -y --no-install-recommends \
+    ffmpeg \
+    exiftool
+
+# Cleanup
+RUN rm -rf /var/lib/apt/lists/*
+
+COPY . /app
+RUN pip --no-cache-dir install /app
+
+WORKDIR /workdir
+
+# Default USERID and GROUPID
+ARG USERID=nobody
+ARG GROUPID=nogroup
+
+USER $USERID:$GROUPID
+
+ENTRYPOINT [ "markitdown-mcp" ]

packages/markitdown-mcp/README.md

@@ -0,0 +1,139 @@
+# MarkItDown-MCP
+
+[![PyPI](https://img.shields.io/pypi/v/markitdown-mcp.svg)](https://pypi.org/project/markitdown-mcp/)
+![PyPI - Downloads](https://img.shields.io/pypi/dd/markitdown-mcp)
+[![Built by AutoGen Team](https://img.shields.io/badge/Built%20by-AutoGen%20Team-blue)](https://github.com/microsoft/autogen)
+
+The `markitdown-mcp` package provides a lightweight STDIO, Streamable HTTP, and SSE MCP server for calling MarkItDown.
+
+It exposes one tool: `convert_to_markdown(uri)`, where uri can be any `http:`, `https:`, `file:`, or `data:` URI.
+
+## Installation
+
+To install the package, use pip:
+
+```bash
+pip install markitdown-mcp
+```
+
+## Usage
+
+To run the MCP server, using STDIO (default) use the following command:
+
+
+```bash	
+markitdown-mcp
+```
+
+To run the MCP server, using Streamable HTTP and SSE use the following command:
+
+```bash	
+markitdown-mcp --http --host 127.0.0.1 --port 3001
+```
+
+## Running in Docker
+
+To run `markitdown-mcp` in Docker, build the Docker image using the provided Dockerfile:
+```bash
+docker build -t markitdown-mcp:latest .
+```
+
+And run it using:
+```bash
+docker run -it --rm markitdown-mcp:latest
+```
+This will be sufficient for remote URIs. To access local files, you need to mount the local directory into the container. For example, if you want to access files in `/home/user/data`, you can run:
+
+```bash
+docker run -it --rm -v /home/user/data:/workdir markitdown-mcp:latest
+```
+
+Once mounted, all files under data will be accessible under `/workdir` in the container. For example, if you have a file `example.txt` in `/home/user/data`, it will be accessible in the container at `/workdir/example.txt`.
+
+## Accessing from Claude Desktop
+
+It is recommended to use the Docker image when running the MCP server for Claude Desktop.
+
+Follow [these instrutions](https://modelcontextprotocol.io/quickstart/user#for-claude-desktop-users) to access Claude's `claude_desktop_config.json` file.
+
+Edit it to include the following JSON entry:
+
+```json
+{
+  "mcpServers": {
+    "markitdown": {
+      "command": "docker",
+      "args": [
+        "run",
+        "--rm",
+        "-i",
+        "markitdown-mcp:latest"
+      ]
+    }
+  }
+}
+```
+
+If you want to mount a directory, adjust it accordingly:
+
+```json
+{
+  "mcpServers": {
+    "markitdown": {
+      "command": "docker",
+      "args": [
+	"run",
+	"--rm",
+	"-i",
+	"-v",
+	"/home/user/data:/workdir",
+	"markitdown-mcp:latest"
+      ]
+    }
+  }
+}
+```
+
+## Debugging
+
+To debug the MCP server you can use the `mcpinspector` tool.
+
+```bash
+npx @modelcontextprotocol/inspector
+```
+
+You can then connect to the insepctor through the specified host and port (e.g., `http://localhost:5173/`).
+
+If using STDIO:
+* select `STDIO` as the transport type,
+* input `markitdown-mcp` as the command, and
+* click `Connect`
+
+If using Streamable HTTP:
+* select `Streamable HTTP` as the transport type,
+* input `http://127.0.0.1:3001/mcp` as the URL, and
+* click `Connect`
+
+If using SSE:
+* select `SSE` as the transport type,
+* input `http://127.0.0.1:3001/sse` as the URL, and
+* click `Connect`
+
+Finally:
+* click the `Tools` tab,
+* click `List Tools`,
+* click `convert_to_markdown`, and
+* run the tool on any valid URI.
+
+## Security Considerations
+
+The server does not support authentication, and runs with the privileges if the user running it. For this reason, when running in SSE or Streamable HTTP mode, it is recommended to run the server bound to `localhost` (default).
+
+
+## Trademarks
+
+This project may contain trademarks or logos for projects, products, or services. Authorized use of Microsoft
+trademarks or logos is subject to and must follow
+[Microsoft's Trademark & Brand Guidelines](https://www.microsoft.com/en-us/legal/intellectualproperty/trademarks/usage/general).
+Use of Microsoft trademarks or logos in modified versions of this project must not cause confusion or imply Microsoft sponsorship.
+Any use of third-party trademarks or logos are subject to those third-party's policies.

packages/markitdown-mcp/pyproject.toml

@@ -0,0 +1,69 @@
+[build-system]
+requires = ["hatchling"]
+build-backend = "hatchling.build"
+
+[project]
+name = "markitdown-mcp"
+dynamic = ["version"]
+description = 'An MCP server for the "markitdown" library.'
+readme = "README.md"
+requires-python = ">=3.10"
+license = "MIT"
+keywords = []
+authors = [
+  { name = "Adam Fourney", email = "adamfo@microsoft.com" },
+]
+classifiers = [
+  "Development Status :: 4 - Beta",
+  "Programming Language :: Python",
+  "Programming Language :: Python :: 3.10",
+  "Programming Language :: Python :: 3.11",
+  "Programming Language :: Python :: 3.12",
+  "Programming Language :: Python :: 3.13",
+  "Programming Language :: Python :: Implementation :: CPython",
+  "Programming Language :: Python :: Implementation :: PyPy",
+]
+dependencies = [
+  "mcp~=1.8.0",
+  "markitdown[all]>=0.1.1,<0.2.0",
+]
+
+[project.urls]
+Documentation = "https://github.com/microsoft/markitdown#readme"
+Issues = "https://github.com/microsoft/markitdown/issues"
+Source = "https://github.com/microsoft/markitdown"
+
+[tool.hatch.version]
+path = "src/markitdown_mcp/__about__.py"
+
+[project.scripts]
+markitdown-mcp = "markitdown_mcp.__main__:main"
+
+[tool.hatch.envs.types]
+extra-dependencies = [
+  "mypy>=1.0.0",
+]
+[tool.hatch.envs.types.scripts]
+check = "mypy --install-types --non-interactive {args:src/markitdown_mcp tests}"
+
+[tool.coverage.run]
+source_pkgs = ["markitdown-mcp", "tests"]
+branch = true
+parallel = true
+omit = [
+  "src/markitdown_mcp/__about__.py",
+]
+
+[tool.coverage.paths]
+markitdown-mcp = ["src/markitdown_mcp", "*/markitdown-mcp/src/markitdown_mcp"]
+tests = ["tests", "*/markitdown-mcp/tests"]
+
+[tool.coverage.report]
+exclude_lines = [
+  "no cov",
+  "if __name__ == .__main__.:",
+  "if TYPE_CHECKING:",
+]
+
+[tool.hatch.build.targets.sdist]
+only-include = ["src/markitdown_mcp"]

packages/markitdown-mcp/src/markitdown_mcp/__about__.py

@@ -0,0 +1,4 @@
+# SPDX-FileCopyrightText: 2024-present Adam Fourney <adamfo@microsoft.com>
+#
+# SPDX-License-Identifier: MIT
+__version__ = "0.0.1a4"

packages/markitdown-mcp/src/markitdown_mcp/__init__.py

@@ -0,0 +1,9 @@
+# SPDX-FileCopyrightText: 2024-present Adam Fourney <adamfo@microsoft.com>
+#
+# SPDX-License-Identifier: MIT
+
+from .__about__ import __version__
+
+__all__ = [
+    "__version__",
+]

packages/markitdown-mcp/src/markitdown_mcp/__main__.py

@@ -0,0 +1,118 @@
+import contextlib
+import sys
+from collections.abc import AsyncIterator
+from mcp.server.fastmcp import FastMCP
+from starlette.applications import Starlette
+from mcp.server.sse import SseServerTransport
+from starlette.requests import Request
+from starlette.routing import Mount, Route
+from starlette.types import Receive, Scope, Send
+from mcp.server import Server
+from mcp.server.streamable_http_manager import StreamableHTTPSessionManager
+from markitdown import MarkItDown
+import uvicorn
+
+# Initialize FastMCP server for MarkItDown (SSE)
+mcp = FastMCP("markitdown")
+
+
+@mcp.tool()
+async def convert_to_markdown(uri: str) -> str:
+    """Convert a resource described by an http:, https:, file: or data: URI to markdown"""
+    return MarkItDown().convert_uri(uri).markdown
+
+
+def create_starlette_app(mcp_server: Server, *, debug: bool = False) -> Starlette:
+    sse = SseServerTransport("/messages/")
+    session_manager = StreamableHTTPSessionManager(
+        app=mcp_server,
+        event_store=None,
+        json_response=True,
+        stateless=True,
+    )
+
+    async def handle_sse(request: Request) -> None:
+        async with sse.connect_sse(
+            request.scope,
+            request.receive,
+            request._send,
+        ) as (read_stream, write_stream):
+            await mcp_server.run(
+                read_stream,
+                write_stream,
+                mcp_server.create_initialization_options(),
+            )
+
+    async def handle_streamable_http(
+        scope: Scope, receive: Receive, send: Send
+    ) -> None:
+        await session_manager.handle_request(scope, receive, send)
+
+    @contextlib.asynccontextmanager
+    async def lifespan(app: Starlette) -> AsyncIterator[None]:
+        """Context manager for session manager."""
+        async with session_manager.run():
+            print("Application started with StreamableHTTP session manager!")
+            try:
+                yield
+            finally:
+                print("Application shutting down...")
+
+    return Starlette(
+        debug=debug,
+        routes=[
+            Route("/sse", endpoint=handle_sse),
+            Mount("/mcp", app=handle_streamable_http),
+            Mount("/messages/", app=sse.handle_post_message),
+        ],
+        lifespan=lifespan,
+    )
+
+
+# Main entry point
+def main():
+    import argparse
+
+    mcp_server = mcp._mcp_server
+
+    parser = argparse.ArgumentParser(description="Run a MarkItDown MCP server")
+
+    parser.add_argument(
+        "--http",
+        action="store_true",
+        help="Run the server with Streamable HTTP and SSE transport rather than STDIO (default: False)",
+    )
+    parser.add_argument(
+        "--sse",
+        action="store_true",
+        help="(Deprecated) An alias for --http (default: False)",
+    )
+    parser.add_argument(
+        "--host", default=None, help="Host to bind to (default: 127.0.0.1)"
+    )
+    parser.add_argument(
+        "--port", type=int, default=None, help="Port to listen on (default: 3001)"
+    )
+    args = parser.parse_args()
+
+    use_http = args.http or args.sse
+
+    if not use_http and (args.host or args.port):
+        parser.error(
+            "Host and port arguments are only valid when using streamable HTTP or SSE transport (see: --http)."
+        )
+        sys.exit(1)
+
+    if use_http:
+        starlette_app = create_starlette_app(mcp_server, debug=True)
+        uvicorn.run(
+            starlette_app,
+            host=args.host if args.host else "127.0.0.1",
+            port=args.port if args.port else 3001,
+        )
+    else:
+        mcp.run()
+
+
+if __name__ == "__main__":
+    main()

packages/markitdown-mcp/tests/__init__.py

@@ -0,0 +1,3 @@
+# SPDX-FileCopyrightText: 2024-present Adam Fourney <adamfo@microsoft.com>
+#
+# SPDX-License-Identifier: MIT

packages/markitdown-sample-plugin/README.md

@@ -1,7 +1,7 @@
 # MarkItDown Sample Plugin
 
-[![PyPI](https://img.shields.io/pypi/v/markitdown.svg)](https://pypi.org/project/markitdown/)
-![PyPI - Downloads](https://img.shields.io/pypi/dd/markitdown)
+[![PyPI](https://img.shields.io/pypi/v/markitdown-sample-plugin.svg)](https://pypi.org/project/markitdown-sample-plugin/)
+![PyPI - Downloads](https://img.shields.io/pypi/dd/markitdown-sample-plugin)
 [![Built by AutoGen Team](https://img.shields.io/badge/Built%20by-AutoGen%20Team-blue)](https://github.com/microsoft/autogen)
 
 

packages/markitdown-sample-plugin/tests/test_sample_plugin.py

@@ -1,6 +1,5 @@
 #!/usr/bin/env python3 -m pytest
 import os
-import pytest
 
 from markitdown import MarkItDown, StreamInfo
 from markitdown_sample_plugin import RtfConverter

packages/markitdown/ThirdPartyNotices.md

@@ -0,0 +1,232 @@
+# THIRD-PARTY SOFTWARE NOTICES AND INFORMATION
+
+**Do Not Translate or Localize**
+
+This project incorporates components from the projects listed below. The original copyright notices and the licenses 
+under which MarkItDown received such components are set forth below. MarkItDown reserves all rights not expressly 
+granted herein, whether by implication, estoppel or otherwise.
+
+1.dwml (https://github.com/xiilei/dwml)
+
+dwml NOTICES AND INFORMATION BEGIN HERE
+
+-----------------------------------------
+
+NOTE 1: What follows is a verbatim copy of dwml's LICENSE file, as it appeared on March 28th, 2025 - including 
+placeholders for the copyright owner and year.
+
+NOTE 2: The Apache License, Version 2.0, requires that modifications to the dwml source code be documented.  
+The following section summarizes these changes. The full details are available in the MarkItDown source code 
+repository under PR #1160 (https://github.com/microsoft/markitdown/pull/1160)
+
+This project incorporates `dwml/latex_dict.py` and `dwml/omml.py` files without any additional logic modifications (which 
+lives in `packages/markitdown/src/markitdown/converter_utils/docx/math` location). However, we have reformatted the code
+according to `black` code formatter.  From `tests/docx.py` file, we have used `DOCXML_ROOT` XML namespaces and the rest of 
+the file is not used.
+
+-----------------------------------------
+
+Apache License
+                           Version 2.0, January 2004
+                        http://www.apache.org/licenses/
+
+   TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION
+
+   1. Definitions.
+
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+      work stoppage, computer failure or malfunction, or any and all
+      other commercial damages or losses), even if such Contributor
+      has been advised of the possibility of such damages.
+
+   9. Accepting Warranty or Additional Liability. While redistributing
+      the Work or Derivative Works thereof, You may choose to offer,
+      and charge a fee for, acceptance of support, warranty, indemnity,
+      or other liability obligations and/or rights consistent with this
+      License. However, in accepting such obligations, You may act only
+      on Your own behalf and on Your sole responsibility, not on behalf
+      of any other Contributor, and only if You agree to indemnify,
+      defend, and hold each Contributor harmless for any liability
+      incurred by, or claims asserted against, such Contributor by reason
+      of your accepting any such warranty or additional liability.
+
+   END OF TERMS AND CONDITIONS
+
+   APPENDIX: How to apply the Apache License to your work.
+
+      To apply the Apache License to your work, attach the following
+      boilerplate notice, with the fields enclosed by brackets "{}"
+      replaced with your own identifying information. (Don't include
+      the brackets!)  The text should be enclosed in the appropriate
+      comment syntax for the file format. We also recommend that a
+      file or class name and description of purpose be included on the
+      same "printed page" as the copyright notice for easier
+      identification within third-party archives.
+
+   Copyright {yyyy} {name of copyright owner}
+
+   Licensed under the Apache License, Version 2.0 (the "License");
+   you may not use this file except in compliance with the License.
+   You may obtain a copy of the License at
+
+       http://www.apache.org/licenses/LICENSE-2.0
+
+   Unless required by applicable law or agreed to in writing, software
+   distributed under the License is distributed on an "AS IS" BASIS,
+   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+   See the License for the specific language governing permissions and
+   limitations under the License.
+
+-----------------------------------------
+END OF dwml NOTICES AND INFORMATION

packages/markitdown/pyproject.toml

@@ -29,6 +29,7 @@ dependencies = [
   "markdownify",
   "magika~=0.6.1",
   "charset-normalizer",
+  "defusedxml",
 ]
 
 [project.optional-dependencies]
@@ -38,6 +39,7 @@ all = [
   "pandas",
   "openpyxl",
   "xlrd",
+  "lxml",
   "pdfminer.six",
   "olefile",
   "pydub",
@@ -47,7 +49,7 @@ all = [
   "azure-identity"
 ]
 pptx = ["python-pptx"]
-docx = ["mammoth"]
+docx = ["mammoth", "lxml"]
 xlsx = ["pandas", "openpyxl"]
 xls = ["pandas", "xlrd"]
 pdf = ["pdfminer.six"]

packages/markitdown/src/markitdown/__about__.py

@@ -1,4 +1,4 @@
 # SPDX-FileCopyrightText: 2024-present Adam Fourney <adamfo@microsoft.com>
 #
 # SPDX-License-Identifier: MIT
-__version__ = "0.1.1"
+__version__ = "0.1.2"

packages/markitdown/src/markitdown/__main__.py

@@ -4,7 +4,6 @@
 import argparse
 import sys
 import codecs
-import locale
 from textwrap import dedent
 from importlib.metadata import entry_points
 from .__about__ import __version__

packages/markitdown/src/markitdown/_base_converter.py

@@ -1,7 +1,4 @@
-import os
-import tempfile
-from warnings import warn
-from typing import Any, Union, BinaryIO, Optional, List
+from typing import Any, BinaryIO, Optional
 from ._stream_info import StreamInfo
 
 

packages/markitdown/src/markitdown/_markitdown.py

@@ -1,16 +1,13 @@
-import copy
 import mimetypes
 import os
 import re
 import sys
 import shutil
-import tempfile
-import warnings
 import traceback
 import io
 from dataclasses import dataclass
 from importlib.metadata import entry_points
-from typing import Any, List, Optional, Union, BinaryIO
+from typing import Any, List, Dict, Optional, Union, BinaryIO
 from pathlib import Path
 from urllib.parse import urlparse
 from warnings import warn
@@ -41,6 +38,7 @@ from .converters import (
     ZipConverter,
     EpubConverter,
     DocumentIntelligenceConverter,
+    CsvConverter,
 )
 
 from ._base_converter import DocumentConverter, DocumentConverterResult
@@ -194,12 +192,28 @@ class MarkItDown:
             self.register_converter(PdfConverter())
             self.register_converter(OutlookMsgConverter())
             self.register_converter(EpubConverter())
+            self.register_converter(CsvConverter())
 
             # Register Document Intelligence converter at the top of the stack if endpoint is provided
             docintel_endpoint = kwargs.get("docintel_endpoint")
             if docintel_endpoint is not None:
+                docintel_args: Dict[str, Any] = {}
+                docintel_args["endpoint"] = docintel_endpoint
+
+                docintel_credential = kwargs.get("docintel_credential")
+                if docintel_credential is not None:
+                    docintel_args["credential"] = docintel_credential
+
+                docintel_types = kwargs.get("docintel_file_types")
+                if docintel_types is not None:
+                    docintel_args["file_types"] = docintel_types
+
+                docintel_version = kwargs.get("docintel_api_version")
+                if docintel_version is not None:
+                    docintel_args["api_version"] = docintel_version
+
                 self.register_converter(
-                    DocumentIntelligenceConverter(endpoint=docintel_endpoint)
+                    DocumentIntelligenceConverter(**docintel_args),
                 )
 
             self._builtins_enabled = True
@@ -534,7 +548,7 @@ class MarkItDown:
                 # Sanity check -- make sure the cur_pos is still the same
                 assert (
                     cur_pos == file_stream.tell()
-                ), f"File stream position should NOT change between guess iterations"
+                ), "File stream position should NOT change between guess iterations"
 
                 _kwargs = {k: v for k, v in kwargs.items()}
 
@@ -601,7 +615,7 @@ class MarkItDown:
 
         # Nothing can handle it!
         raise UnsupportedFormatException(
-            f"Could not convert stream to Markdown. No converter attempted a conversion, suggesting that the filetype is simply not supported."
+            "Could not convert stream to Markdown. No converter attempted a conversion, suggesting that the filetype is simply not supported."
         )
 
     def register_page_converter(self, converter: DocumentConverter) -> None:

packages/markitdown/src/markitdown/converter_utils/docx/math/latex_dict.py

@@ -0,0 +1,273 @@
+# -*- coding: utf-8 -*-
+
+"""
+Adapted from https://github.com/xiilei/dwml/blob/master/dwml/latex_dict.py
+On 25/03/2025
+"""
+
+from __future__ import unicode_literals
+
+CHARS = ("{", "}", "_", "^", "#", "&", "$", "%", "~")
+
+BLANK = ""
+BACKSLASH = "\\"
+ALN = "&"
+
+CHR = {
+    # Unicode : Latex Math Symbols
+    # Top accents
+    "\u0300": "\\grave{{{0}}}",
+    "\u0301": "\\acute{{{0}}}",
+    "\u0302": "\\hat{{{0}}}",
+    "\u0303": "\\tilde{{{0}}}",
+    "\u0304": "\\bar{{{0}}}",
+    "\u0305": "\\overbar{{{0}}}",
+    "\u0306": "\\breve{{{0}}}",
+    "\u0307": "\\dot{{{0}}}",
+    "\u0308": "\\ddot{{{0}}}",
+    "\u0309": "\\ovhook{{{0}}}",
+    "\u030a": "\\ocirc{{{0}}}}",
+    "\u030c": "\\check{{{0}}}}",
+    "\u0310": "\\candra{{{0}}}",
+    "\u0312": "\\oturnedcomma{{{0}}}",
+    "\u0315": "\\ocommatopright{{{0}}}",
+    "\u031a": "\\droang{{{0}}}",
+    "\u0338": "\\not{{{0}}}",
+    "\u20d0": "\\leftharpoonaccent{{{0}}}",
+    "\u20d1": "\\rightharpoonaccent{{{0}}}",
+    "\u20d2": "\\vertoverlay{{{0}}}",
+    "\u20d6": "\\overleftarrow{{{0}}}",
+    "\u20d7": "\\vec{{{0}}}",
+    "\u20db": "\\dddot{{{0}}}",
+    "\u20dc": "\\ddddot{{{0}}}",
+    "\u20e1": "\\overleftrightarrow{{{0}}}",
+    "\u20e7": "\\annuity{{{0}}}",
+    "\u20e9": "\\widebridgeabove{{{0}}}",
+    "\u20f0": "\\asteraccent{{{0}}}",
+    # Bottom accents
+    "\u0330": "\\wideutilde{{{0}}}",
+    "\u0331": "\\underbar{{{0}}}",
+    "\u20e8": "\\threeunderdot{{{0}}}",
+    "\u20ec": "\\underrightharpoondown{{{0}}}",
+    "\u20ed": "\\underleftharpoondown{{{0}}}",
+    "\u20ee": "\\underledtarrow{{{0}}}",
+    "\u20ef": "\\underrightarrow{{{0}}}",
+    # Over | group
+    "\u23b4": "\\overbracket{{{0}}}",
+    "\u23dc": "\\overparen{{{0}}}",
+    "\u23de": "\\overbrace{{{0}}}",
+    # Under| group
+    "\u23b5": "\\underbracket{{{0}}}",
+    "\u23dd": "\\underparen{{{0}}}",
+    "\u23df": "\\underbrace{{{0}}}",
+}
+
+CHR_BO = {
+    # Big operators,
+    "\u2140": "\\Bbbsum",
+    "\u220f": "\\prod",
+    "\u2210": "\\coprod",
+    "\u2211": "\\sum",
+    "\u222b": "\\int",
+    "\u22c0": "\\bigwedge",
+    "\u22c1": "\\bigvee",
+    "\u22c2": "\\bigcap",
+    "\u22c3": "\\bigcup",
+    "\u2a00": "\\bigodot",
+    "\u2a01": "\\bigoplus",
+    "\u2a02": "\\bigotimes",
+}
+
+T = {
+    "\u2192": "\\rightarrow ",
+    # Greek letters
+    "\U0001d6fc": "\\alpha ",
+    "\U0001d6fd": "\\beta ",
+    "\U0001d6fe": "\\gamma ",
+    "\U0001d6ff": "\\theta ",
+    "\U0001d700": "\\epsilon ",
+    "\U0001d701": "\\zeta ",
+    "\U0001d702": "\\eta ",
+    "\U0001d703": "\\theta ",
+    "\U0001d704": "\\iota ",
+    "\U0001d705": "\\kappa ",
+    "\U0001d706": "\\lambda ",
+    "\U0001d707": "\\m ",
+    "\U0001d708": "\\n ",
+    "\U0001d709": "\\xi ",
+    "\U0001d70a": "\\omicron ",
+    "\U0001d70b": "\\pi ",
+    "\U0001d70c": "\\rho ",
+    "\U0001d70d": "\\varsigma ",
+    "\U0001d70e": "\\sigma ",
+    "\U0001d70f": "\\ta ",
+    "\U0001d710": "\\upsilon ",
+    "\U0001d711": "\\phi ",
+    "\U0001d712": "\\chi ",
+    "\U0001d713": "\\psi ",
+    "\U0001d714": "\\omega ",
+    "\U0001d715": "\\partial ",
+    "\U0001d716": "\\varepsilon ",
+    "\U0001d717": "\\vartheta ",
+    "\U0001d718": "\\varkappa ",
+    "\U0001d719": "\\varphi ",
+    "\U0001d71a": "\\varrho ",
+    "\U0001d71b": "\\varpi ",
+    # Relation symbols
+    "\u2190": "\\leftarrow ",
+    "\u2191": "\\uparrow ",
+    "\u2192": "\\rightarrow ",
+    "\u2193": "\\downright ",
+    "\u2194": "\\leftrightarrow ",
+    "\u2195": "\\updownarrow ",
+    "\u2196": "\\nwarrow ",
+    "\u2197": "\\nearrow ",
+    "\u2198": "\\searrow ",
+    "\u2199": "\\swarrow ",
+    "\u22ee": "\\vdots ",
+    "\u22ef": "\\cdots ",
+    "\u22f0": "\\adots ",
+    "\u22f1": "\\ddots ",
+    "\u2260": "\\ne ",
+    "\u2264": "\\leq ",
+    "\u2265": "\\geq ",
+    "\u2266": "\\leqq ",
+    "\u2267": "\\geqq ",
+    "\u2268": "\\lneqq ",
+    "\u2269": "\\gneqq ",
+    "\u226a": "\\ll ",
+    "\u226b": "\\gg ",
+    "\u2208": "\\in ",
+    "\u2209": "\\notin ",
+    "\u220b": "\\ni ",
+    "\u220c": "\\nni ",
+    # Ordinary symbols
+    "\u221e": "\\infty ",
+    # Binary relations
+    "\u00b1": "\\pm ",
+    "\u2213": "\\mp ",
+    # Italic, Latin, uppercase
+    "\U0001d434": "A",
+    "\U0001d435": "B",
+    "\U0001d436": "C",
+    "\U0001d437": "D",
+    "\U0001d438": "E",
+    "\U0001d439": "F",
+    "\U0001d43a": "G",
+    "\U0001d43b": "H",
+    "\U0001d43c": "I",
+    "\U0001d43d": "J",
+    "\U0001d43e": "K",
+    "\U0001d43f": "L",
+    "\U0001d440": "M",
+    "\U0001d441": "N",
+    "\U0001d442": "O",
+    "\U0001d443": "P",
+    "\U0001d444": "Q",
+    "\U0001d445": "R",
+    "\U0001d446": "S",
+    "\U0001d447": "T",
+    "\U0001d448": "U",
+    "\U0001d449": "V",
+    "\U0001d44a": "W",
+    "\U0001d44b": "X",
+    "\U0001d44c": "Y",
+    "\U0001d44d": "Z",
+    # Italic, Latin, lowercase
+    "\U0001d44e": "a",
+    "\U0001d44f": "b",
+    "\U0001d450": "c",
+    "\U0001d451": "d",
+    "\U0001d452": "e",
+    "\U0001d453": "f",
+    "\U0001d454": "g",
+    "\U0001d456": "i",
+    "\U0001d457": "j",
+    "\U0001d458": "k",
+    "\U0001d459": "l",
+    "\U0001d45a": "m",
+    "\U0001d45b": "n",
+    "\U0001d45c": "o",
+    "\U0001d45d": "p",
+    "\U0001d45e": "q",
+    "\U0001d45f": "r",
+    "\U0001d460": "s",
+    "\U0001d461": "t",
+    "\U0001d462": "u",
+    "\U0001d463": "v",
+    "\U0001d464": "w",
+    "\U0001d465": "x",
+    "\U0001d466": "y",
+    "\U0001d467": "z",
+}
+
+FUNC = {
+    "sin": "\\sin({fe})",
+    "cos": "\\cos({fe})",
+    "tan": "\\tan({fe})",
+    "arcsin": "\\arcsin({fe})",
+    "arccos": "\\arccos({fe})",
+    "arctan": "\\arctan({fe})",
+    "arccot": "\\arccot({fe})",
+    "sinh": "\\sinh({fe})",
+    "cosh": "\\cosh({fe})",
+    "tanh": "\\tanh({fe})",
+    "coth": "\\coth({fe})",
+    "sec": "\\sec({fe})",
+    "csc": "\\csc({fe})",
+}
+
+FUNC_PLACE = "{fe}"
+
+BRK = "\\\\"
+
+CHR_DEFAULT = {
+    "ACC_VAL": "\\hat{{{0}}}",
+}
+
+POS = {
+    "top": "\\overline{{{0}}}",  # not sure
+    "bot": "\\underline{{{0}}}",
+}
+
+POS_DEFAULT = {
+    "BAR_VAL": "\\overline{{{0}}}",
+}
+
+SUB = "_{{{0}}}"
+
+SUP = "^{{{0}}}"
+
+F = {
+    "bar": "\\frac{{{num}}}{{{den}}}",
+    "skw": r"^{{{num}}}/_{{{den}}}",
+    "noBar": "\\genfrac{{}}{{}}{{0pt}}{{}}{{{num}}}{{{den}}}",
+    "lin": "{{{num}}}/{{{den}}}",
+}
+F_DEFAULT = "\\frac{{{num}}}{{{den}}}"
+
+D = "\\left{left}{text}\\right{right}"
+
+D_DEFAULT = {
+    "left": "(",
+    "right": ")",
+    "null": ".",
+}
+
+RAD = "\\sqrt[{deg}]{{{text}}}"
+
+RAD_DEFAULT = "\\sqrt{{{text}}}"
+
+ARR = "\\begin{{array}}{{c}}{text}\\end{{array}}"
+
+LIM_FUNC = {
+    "lim": "\\lim_{{{lim}}}",
+    "max": "\\max_{{{lim}}}",
+    "min": "\\min_{{{lim}}}",
+}
+
+LIM_TO = ("\\rightarrow", "\\to")
+
+LIM_UPP = "\\overset{{{lim}}}{{{text}}}"
+
+M = "\\begin{{matrix}}{text}\\end{{matrix}}"

packages/markitdown/src/markitdown/converter_utils/docx/math/omml.py

@@ -0,0 +1,400 @@
+# -*- coding: utf-8 -*-
+
+"""
+Office Math Markup Language (OMML)
+Adapted from https://github.com/xiilei/dwml/blob/master/dwml/omml.py
+On 25/03/2025
+"""
+
+from defusedxml import ElementTree as ET
+
+from .latex_dict import (
+    CHARS,
+    CHR,
+    CHR_BO,
+    CHR_DEFAULT,
+    POS,
+    POS_DEFAULT,
+    SUB,
+    SUP,
+    F,
+    F_DEFAULT,
+    T,
+    FUNC,
+    D,
+    D_DEFAULT,
+    RAD,
+    RAD_DEFAULT,
+    ARR,
+    LIM_FUNC,
+    LIM_TO,
+    LIM_UPP,
+    M,
+    BRK,
+    BLANK,
+    BACKSLASH,
+    ALN,
+    FUNC_PLACE,
+)
+
+OMML_NS = "{http://schemas.openxmlformats.org/officeDocument/2006/math}"
+
+
+def load(stream):
+    tree = ET.parse(stream)
+    for omath in tree.findall(OMML_NS + "oMath"):
+        yield oMath2Latex(omath)
+
+
+def load_string(string):
+    root = ET.fromstring(string)
+    for omath in root.findall(OMML_NS + "oMath"):
+        yield oMath2Latex(omath)
+
+
+def escape_latex(strs):
+    last = None
+    new_chr = []
+    strs = strs.replace(r"\\", "\\")
+    for c in strs:
+        if (c in CHARS) and (last != BACKSLASH):
+            new_chr.append(BACKSLASH + c)
+        else:
+            new_chr.append(c)
+        last = c
+    return BLANK.join(new_chr)
+
+
+def get_val(key, default=None, store=CHR):
+    if key is not None:
+        return key if not store else store.get(key, key)
+    else:
+        return default
+
+
+class Tag2Method(object):
+    def call_method(self, elm, stag=None):
+        getmethod = self.tag2meth.get
+        if stag is None:
+            stag = elm.tag.replace(OMML_NS, "")
+        method = getmethod(stag)
+        if method:
+            return method(self, elm)
+        else:
+            return None
+
+    def process_children_list(self, elm, include=None):
+        """
+        process children of the elm,return iterable
+        """
+        for _e in list(elm):
+            if OMML_NS not in _e.tag:
+                continue
+            stag = _e.tag.replace(OMML_NS, "")
+            if include and (stag not in include):
+                continue
+            t = self.call_method(_e, stag=stag)
+            if t is None:
+                t = self.process_unknow(_e, stag)
+                if t is None:
+                    continue
+            yield (stag, t, _e)
+
+    def process_children_dict(self, elm, include=None):
+        """
+        process children of the elm,return dict
+        """
+        latex_chars = dict()
+        for stag, t, e in self.process_children_list(elm, include):
+            latex_chars[stag] = t
+        return latex_chars
+
+    def process_children(self, elm, include=None):
+        """
+        process children of the elm,return string
+        """
+        return BLANK.join(
+            (
+                t if not isinstance(t, Tag2Method) else str(t)
+                for stag, t, e in self.process_children_list(elm, include)
+            )
+        )
+
+    def process_unknow(self, elm, stag):
+        return None
+
+
+class Pr(Tag2Method):
+    text = ""
+
+    __val_tags = ("chr", "pos", "begChr", "endChr", "type")
+
+    __innerdict = None  # can't use the __dict__
+
+    """ common properties of element"""
+
+    def __init__(self, elm):
+        self.__innerdict = {}
+        self.text = self.process_children(elm)
+
+    def __str__(self):
+        return self.text
+
+    def __unicode__(self):
+        return self.__str__(self)
+
+    def __getattr__(self, name):
+        return self.__innerdict.get(name, None)
+
+    def do_brk(self, elm):
+        self.__innerdict["brk"] = BRK
+        return BRK
+
+    def do_common(self, elm):
+        stag = elm.tag.replace(OMML_NS, "")
+        if stag in self.__val_tags:
+            t = elm.get("{0}val".format(OMML_NS))
+            self.__innerdict[stag] = t
+        return None
+
+    tag2meth = {
+        "brk": do_brk,
+        "chr": do_common,
+        "pos": do_common,
+        "begChr": do_common,
+        "endChr": do_common,
+        "type": do_common,
+    }
+
+
+class oMath2Latex(Tag2Method):
+    """
+    Convert oMath element of omml to latex
+    """
+
+    _t_dict = T
+
+    __direct_tags = ("box", "sSub", "sSup", "sSubSup", "num", "den", "deg", "e")
+
+    def __init__(self, element):
+        self._latex = self.process_children(element)
+
+    def __str__(self):
+        return self.latex
+
+    def __unicode__(self):
+        return self.__str__(self)
+
+    def process_unknow(self, elm, stag):
+        if stag in self.__direct_tags:
+            return self.process_children(elm)
+        elif stag[-2:] == "Pr":
+            return Pr(elm)
+        else:
+            return None
+
+    @property
+    def latex(self):
+        return self._latex
+
+    def do_acc(self, elm):
+        """
+        the accent function
+        """
+        c_dict = self.process_children_dict(elm)
+        latex_s = get_val(
+            c_dict["accPr"].chr, default=CHR_DEFAULT.get("ACC_VAL"), store=CHR
+        )
+        return latex_s.format(c_dict["e"])
+
+    def do_bar(self, elm):
+        """
+        the bar function
+        """
+        c_dict = self.process_children_dict(elm)
+        pr = c_dict["barPr"]
+        latex_s = get_val(pr.pos, default=POS_DEFAULT.get("BAR_VAL"), store=POS)
+        return pr.text + latex_s.format(c_dict["e"])
+
+    def do_d(self, elm):
+        """
+        the delimiter object
+        """
+        c_dict = self.process_children_dict(elm)
+        pr = c_dict["dPr"]
+        null = D_DEFAULT.get("null")
+        s_val = get_val(pr.begChr, default=D_DEFAULT.get("left"), store=T)
+        e_val = get_val(pr.endChr, default=D_DEFAULT.get("right"), store=T)
+        return pr.text + D.format(
+            left=null if not s_val else escape_latex(s_val),
+            text=c_dict["e"],
+            right=null if not e_val else escape_latex(e_val),
+        )
+
+    def do_spre(self, elm):
+        """
+        the Pre-Sub-Superscript object -- Not support yet
+        """
+        pass
+
+    def do_sub(self, elm):
+        text = self.process_children(elm)
+        return SUB.format(text)
+
+    def do_sup(self, elm):
+        text = self.process_children(elm)
+        return SUP.format(text)
+
+    def do_f(self, elm):
+        """
+        the fraction object
+        """
+        c_dict = self.process_children_dict(elm)
+        pr = c_dict["fPr"]
+        latex_s = get_val(pr.type, default=F_DEFAULT, store=F)
+        return pr.text + latex_s.format(num=c_dict.get("num"), den=c_dict.get("den"))
+
+    def do_func(self, elm):
+        """
+        the Function-Apply object (Examples:sin cos)
+        """
+        c_dict = self.process_children_dict(elm)
+        func_name = c_dict.get("fName")
+        return func_name.replace(FUNC_PLACE, c_dict.get("e"))
+
+    def do_fname(self, elm):
+        """
+        the func name
+        """
+        latex_chars = []
+        for stag, t, e in self.process_children_list(elm):
+            if stag == "r":
+                if FUNC.get(t):
+                    latex_chars.append(FUNC[t])
+                else:
+                    raise NotImplementedError("Not support func %s" % t)
+            else:
+                latex_chars.append(t)
+        t = BLANK.join(latex_chars)
+        return t if FUNC_PLACE in t else t + FUNC_PLACE  # do_func will replace this
+
+    def do_groupchr(self, elm):
+        """
+        the Group-Character object
+        """
+        c_dict = self.process_children_dict(elm)
+        pr = c_dict["groupChrPr"]
+        latex_s = get_val(pr.chr)
+        return pr.text + latex_s.format(c_dict["e"])
+
+    def do_rad(self, elm):
+        """
+        the radical object
+        """
+        c_dict = self.process_children_dict(elm)
+        text = c_dict.get("e")
+        deg_text = c_dict.get("deg")
+        if deg_text:
+            return RAD.format(deg=deg_text, text=text)
+        else:
+            return RAD_DEFAULT.format(text=text)
+
+    def do_eqarr(self, elm):
+        """
+        the Array object
+        """
+        return ARR.format(
+            text=BRK.join(
+                [t for stag, t, e in self.process_children_list(elm, include=("e",))]
+            )
+        )
+
+    def do_limlow(self, elm):
+        """
+        the Lower-Limit object
+        """
+        t_dict = self.process_children_dict(elm, include=("e", "lim"))
+        latex_s = LIM_FUNC.get(t_dict["e"])
+        if not latex_s:
+            raise NotImplementedError("Not support lim %s" % t_dict["e"])
+        else:
+            return latex_s.format(lim=t_dict.get("lim"))
+
+    def do_limupp(self, elm):
+        """
+        the Upper-Limit object
+        """
+        t_dict = self.process_children_dict(elm, include=("e", "lim"))
+        return LIM_UPP.format(lim=t_dict.get("lim"), text=t_dict.get("e"))
+
+    def do_lim(self, elm):
+        """
+        the lower limit of the limLow object and the upper limit of the limUpp function
+        """
+        return self.process_children(elm).replace(LIM_TO[0], LIM_TO[1])
+
+    def do_m(self, elm):
+        """
+        the Matrix object
+        """
+        rows = []
+        for stag, t, e in self.process_children_list(elm):
+            if stag == "mPr":
+                pass
+            elif stag == "mr":
+                rows.append(t)
+        return M.format(text=BRK.join(rows))
+
+    def do_mr(self, elm):
+        """
+        a single row of the matrix m
+        """
+        return ALN.join(
+            [t for stag, t, e in self.process_children_list(elm, include=("e",))]
+        )
+
+    def do_nary(self, elm):
+        """
+        the n-ary object
+        """
+        res = []
+        bo = ""
+        for stag, t, e in self.process_children_list(elm):
+            if stag == "naryPr":
+                bo = get_val(t.chr, store=CHR_BO)
+            else:
+                res.append(t)
+        return bo + BLANK.join(res)
+
+    def do_r(self, elm):
+        """
+        Get text from 'r' element,And try convert them to latex symbols
+        @todo text style support , (sty)
+        @todo \text (latex pure text support)
+        """
+        _str = []
+        for s in elm.findtext("./{0}t".format(OMML_NS)):
+            # s = s if isinstance(s,unicode) else unicode(s,'utf-8')
+            _str.append(self._t_dict.get(s, s))
+        return escape_latex(BLANK.join(_str))
+
+    tag2meth = {
+        "acc": do_acc,
+        "r": do_r,
+        "bar": do_bar,
+        "sub": do_sub,
+        "sup": do_sup,
+        "f": do_f,
+        "func": do_func,
+        "fName": do_fname,
+        "groupChr": do_groupchr,
+        "d": do_d,
+        "rad": do_rad,
+        "eqArr": do_eqarr,
+        "limLow": do_limlow,
+        "limUpp": do_limupp,
+        "lim": do_lim,
+        "m": do_m,
+        "mr": do_mr,
+        "nary": do_nary,
+    }

packages/markitdown/src/markitdown/converter_utils/docx/pre_process.py

@@ -0,0 +1,156 @@
+import zipfile
+from io import BytesIO
+from typing import BinaryIO
+from xml.etree import ElementTree as ET
+
+from bs4 import BeautifulSoup, Tag
+
+from .math.omml import OMML_NS, oMath2Latex
+
+MATH_ROOT_TEMPLATE = "".join(
+    (
+        "<w:document ",
+        'xmlns:wpc="http://schemas.microsoft.com/office/word/2010/wordprocessingCanvas" ',
+        'xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006" ',
+        'xmlns:o="urn:schemas-microsoft-com:office:office" ',
+        'xmlns:r="http://schemas.openxmlformats.org/officeDocument/2006/relationships" ',
+        'xmlns:m="http://schemas.openxmlformats.org/officeDocument/2006/math" ',
+        'xmlns:v="urn:schemas-microsoft-com:vml" ',
+        'xmlns:wp14="http://schemas.microsoft.com/office/word/2010/wordprocessingDrawing" ',
+        'xmlns:wp="http://schemas.openxmlformats.org/drawingml/2006/wordprocessingDrawing" ',
+        'xmlns:w10="urn:schemas-microsoft-com:office:word" ',
+        'xmlns:w="http://schemas.openxmlformats.org/wordprocessingml/2006/main" ',
+        'xmlns:w14="http://schemas.microsoft.com/office/word/2010/wordml" ',
+        'xmlns:wpg="http://schemas.microsoft.com/office/word/2010/wordprocessingGroup" ',
+        'xmlns:wpi="http://schemas.microsoft.com/office/word/2010/wordprocessingInk" ',
+        'xmlns:wne="http://schemas.microsoft.com/office/word/2006/wordml" ',
+        'xmlns:wps="http://schemas.microsoft.com/office/word/2010/wordprocessingShape" mc:Ignorable="w14 wp14">',
+        "{0}</w:document>",
+    )
+)
+
+
+def _convert_omath_to_latex(tag: Tag) -> str:
+    """
+    Converts an OMML (Office Math Markup Language) tag to LaTeX format.
+
+    Args:
+        tag (Tag): A BeautifulSoup Tag object representing the OMML element.
+
+    Returns:
+        str: The LaTeX representation of the OMML element.
+    """
+    # Format the tag into a complete XML document string
+    math_root = ET.fromstring(MATH_ROOT_TEMPLATE.format(str(tag)))
+    # Find the 'oMath' element within the XML document
+    math_element = math_root.find(OMML_NS + "oMath")
+    # Convert the 'oMath' element to LaTeX using the oMath2Latex function
+    latex = oMath2Latex(math_element).latex
+    return latex
+
+
+def _get_omath_tag_replacement(tag: Tag, block: bool = False) -> Tag:
+    """
+    Creates a replacement tag for an OMML (Office Math Markup Language) element.
+
+    Args:
+        tag (Tag): A BeautifulSoup Tag object representing the "oMath" element.
+        block (bool, optional): If True, the LaTeX will be wrapped in double dollar signs for block mode. Defaults to False.
+
+    Returns:
+        Tag: A BeautifulSoup Tag object representing the replacement element.
+    """
+    t_tag = Tag(name="w:t")
+    t_tag.string = (
+        f"$${_convert_omath_to_latex(tag)}$$"
+        if block
+        else f"${_convert_omath_to_latex(tag)}$"
+    )
+    r_tag = Tag(name="w:r")
+    r_tag.append(t_tag)
+    return r_tag
+
+
+def _replace_equations(tag: Tag):
+    """
+    Replaces OMML (Office Math Markup Language) elements with their LaTeX equivalents.
+
+    Args:
+        tag (Tag): A BeautifulSoup Tag object representing the OMML element. Could be either "oMathPara" or "oMath".
+
+    Raises:
+        ValueError: If the tag is not supported.
+    """
+    if tag.name == "oMathPara":
+        # Create a new paragraph tag
+        p_tag = Tag(name="w:p")
+        # Replace each 'oMath' child tag with its LaTeX equivalent as block equations
+        for child_tag in tag.find_all("oMath"):
+            p_tag.append(_get_omath_tag_replacement(child_tag, block=True))
+        # Replace the original 'oMathPara' tag with the new paragraph tag
+        tag.replace_with(p_tag)
+    elif tag.name == "oMath":
+        # Replace the 'oMath' tag with its LaTeX equivalent as inline equation
+        tag.replace_with(_get_omath_tag_replacement(tag, block=False))
+    else:
+        raise ValueError(f"Not supported tag: {tag.name}")
+
+
+def _pre_process_math(content: bytes) -> bytes:
+    """
+    Pre-processes the math content in a DOCX -> XML file by converting OMML (Office Math Markup Language) elements to LaTeX.
+    This preprocessed content can be directly replaced in the DOCX file -> XMLs.
+
+    Args:
+        content (bytes): The XML content of the DOCX file as bytes.
+
+    Returns:
+        bytes: The processed content with OMML elements replaced by their LaTeX equivalents, encoded as bytes.
+    """
+    soup = BeautifulSoup(content.decode(), features="xml")
+    for tag in soup.find_all("oMathPara"):
+        _replace_equations(tag)
+    for tag in soup.find_all("oMath"):
+        _replace_equations(tag)
+    return str(soup).encode()
+
+
+def pre_process_docx(input_docx: BinaryIO) -> BinaryIO:
+    """
+    Pre-processes a DOCX file with provided steps.
+
+    The process works by unzipping the DOCX file in memory, transforming specific XML files
+    (such as converting OMML elements to LaTeX), and then zipping everything back into a
+    DOCX file without writing to disk.
+
+    Args:
+        input_docx (BinaryIO): A binary input stream representing the DOCX file.
+
+    Returns:
+        BinaryIO: A binary output stream representing the processed DOCX file.
+    """
+    output_docx = BytesIO()
+    # The files that need to be pre-processed from .docx
+    pre_process_enable_files = [
+        "word/document.xml",
+        "word/footnotes.xml",
+        "word/endnotes.xml",
+    ]
+    with zipfile.ZipFile(input_docx, mode="r") as zip_input:
+        files = {name: zip_input.read(name) for name in zip_input.namelist()}
+        with zipfile.ZipFile(output_docx, mode="w") as zip_output:
+            zip_output.comment = zip_input.comment
+            for name, content in files.items():
+                if name in pre_process_enable_files:
+                    try:
+                        # Pre-process the content
+                        updated_content = _pre_process_math(content)
+                        # In the future, if there are more pre-processing steps, they can be added here
+                        zip_output.writestr(name, updated_content)
+                    except Exception:
+                        # If there is an error in processing the content, write the original content
+                        zip_output.writestr(name, content)
+                else:
+                    zip_output.writestr(name, content)
+    output_docx.seek(0)
+    return output_docx

packages/markitdown/src/markitdown/converters/__init__.py

@@ -17,8 +17,12 @@ from ._image_converter import ImageConverter
 from ._audio_converter import AudioConverter
 from ._outlook_msg_converter import OutlookMsgConverter
 from ._zip_converter import ZipConverter
-from ._doc_intel_converter import DocumentIntelligenceConverter
+from ._doc_intel_converter import (
+    DocumentIntelligenceConverter,
+    DocumentIntelligenceFileType,
+)
 from ._epub_converter import EpubConverter
+from ._csv_converter import CsvConverter
 
 __all__ = [
     "PlainTextConverter",
@@ -38,5 +42,7 @@ __all__ = [
     "OutlookMsgConverter",
     "ZipConverter",
     "DocumentIntelligenceConverter",
+    "DocumentIntelligenceFileType",
     "EpubConverter",
+    "CsvConverter",
 ]

packages/markitdown/src/markitdown/converters/_audio_converter.py

@@ -1,5 +1,4 @@
-import io
-from typing import Any, BinaryIO, Optional
+from typing import Any, BinaryIO
 
 from ._exiftool import exiftool_metadata
 from ._transcribe_audio import transcribe_audio

packages/markitdown/src/markitdown/converters/_bing_serp_converter.py

@@ -1,9 +1,8 @@
-import io
 import re
 import base64
 import binascii
 from urllib.parse import parse_qs, urlparse
-from typing import Any, BinaryIO, Optional
+from typing import Any, BinaryIO
 from bs4 import BeautifulSoup
 
 from .._base_converter import DocumentConverter, DocumentConverterResult

packages/markitdown/src/markitdown/converters/_csv_converter.py

@@ -0,0 +1,77 @@
+import csv
+import io
+from typing import BinaryIO, Any
+from charset_normalizer import from_bytes
+from .._base_converter import DocumentConverter, DocumentConverterResult
+from .._stream_info import StreamInfo
+
+ACCEPTED_MIME_TYPE_PREFIXES = [
+    "text/csv",
+    "application/csv",
+]
+ACCEPTED_FILE_EXTENSIONS = [".csv"]
+
+
+class CsvConverter(DocumentConverter):
+    """
+    Converts CSV files to Markdown tables.
+    """
+
+    def __init__(self):
+        super().__init__()
+
+    def accepts(
+        self,
+        file_stream: BinaryIO,
+        stream_info: StreamInfo,
+        **kwargs: Any,  # Options to pass to the converter
+    ) -> bool:
+        mimetype = (stream_info.mimetype or "").lower()
+        extension = (stream_info.extension or "").lower()
+        if extension in ACCEPTED_FILE_EXTENSIONS:
+            return True
+        for prefix in ACCEPTED_MIME_TYPE_PREFIXES:
+            if mimetype.startswith(prefix):
+                return True
+        return False
+
+    def convert(
+        self,
+        file_stream: BinaryIO,
+        stream_info: StreamInfo,
+        **kwargs: Any,  # Options to pass to the converter
+    ) -> DocumentConverterResult:
+        # Read the file content
+        if stream_info.charset:
+            content = file_stream.read().decode(stream_info.charset)
+        else:
+            content = str(from_bytes(file_stream.read()).best())
+
+        # Parse CSV content
+        reader = csv.reader(io.StringIO(content))
+        rows = list(reader)
+
+        if not rows:
+            return DocumentConverterResult(markdown="")
+
+        # Create markdown table
+        markdown_table = []
+
+        # Add header row
+        markdown_table.append("| " + " | ".join(rows[0]) + " |")
+
+        # Add separator row
+        markdown_table.append("| " + " | ".join(["---"] * len(rows[0])) + " |")
+
+        # Add data rows
+        for row in rows[1:]:
+            # Make sure row has the same number of columns as header
+            while len(row) < len(rows[0]):
+                row.append("")
+            # Truncate if row has more columns than header
+            row = row[: len(rows[0])]
+            markdown_table.append("| " + " | ".join(row) + " |")
+
+        result = "\n".join(markdown_table)
+
+        return DocumentConverterResult(markdown=result)

packages/markitdown/src/markitdown/converters/_doc_intel_converter.py

@@ -1,12 +1,12 @@
 import sys
 import re
-
+import os
 from typing import BinaryIO, Any, List
+from enum import Enum
 
-from ._html_converter import HtmlConverter
 from .._base_converter import DocumentConverter, DocumentConverterResult
 from .._stream_info import StreamInfo
-from .._exceptions import MissingDependencyException, MISSING_DEPENDENCY_MESSAGE
+from .._exceptions import MissingDependencyException
 
 # Try loading optional (but in this case, required) dependencies
 # Save reporting of any exceptions for later
@@ -18,49 +18,108 @@ try:
         AnalyzeResult,
         DocumentAnalysisFeature,
     )
+    from azure.core.credentials import AzureKeyCredential, TokenCredential
     from azure.identity import DefaultAzureCredential
 except ImportError:
     # Preserve the error and stack trace for later
     _dependency_exc_info = sys.exc_info()
 
+    # Define these types for type hinting when the package is not available
+    class AzureKeyCredential:
+        pass
+
+    class TokenCredential:
+        pass
+
+    class DocumentIntelligenceClient:
+        pass
+
+    class AnalyzeDocumentRequest:
+        pass
+
+    class AnalyzeResult:
+        pass
+
+    class DocumentAnalysisFeature:
+        pass
+
+    class DefaultAzureCredential:
+        pass
+
 
 # TODO: currently, there is a bug in the document intelligence SDK with importing the "ContentFormat" enum.
 # This constant is a temporary fix until the bug is resolved.
 CONTENT_FORMAT = "markdown"
 
 
-OFFICE_MIME_TYPE_PREFIXES = [
-    "application/vnd.openxmlformats-officedocument.wordprocessingml.document",
-    "application/vnd.openxmlformats-officedocument.spreadsheetml.sheet",
-    "application/vnd.openxmlformats-officedocument.presentationml",
-    "application/xhtml",
-    "text/html",
-]
+class DocumentIntelligenceFileType(str, Enum):
+    """Enum of file types supported by the Document Intelligence Converter."""
 
-OTHER_MIME_TYPE_PREFIXES = [
-    "application/pdf",
-    "application/x-pdf",
-    "text/html",
-    "image/",
-]
+    # No OCR
+    DOCX = "docx"
+    PPTX = "pptx"
+    XLSX = "xlsx"
+    HTML = "html"
+    # OCR
+    PDF = "pdf"
+    JPEG = "jpeg"
+    PNG = "png"
+    BMP = "bmp"
+    TIFF = "tiff"
 
-OFFICE_FILE_EXTENSIONS = [
-    ".docx",
-    ".xlsx",
-    ".pptx",
-    ".html",
-    ".htm",
-]
 
-OTHER_FILE_EXTENSIONS = [
-    ".pdf",
-    ".jpeg",
-    ".jpg",
-    ".png",
-    ".bmp",
-    ".tiff",
-    ".heif",
-]
+def _get_mime_type_prefixes(types: List[DocumentIntelligenceFileType]) -> List[str]:
+    """Get the MIME type prefixes for the given file types."""
+    prefixes: List[str] = []
+    for type_ in types:
+        if type_ == DocumentIntelligenceFileType.DOCX:
+            prefixes.append(
+                "application/vnd.openxmlformats-officedocument.wordprocessingml.document"
+            )
+        elif type_ == DocumentIntelligenceFileType.PPTX:
+            prefixes.append(
+                "application/vnd.openxmlformats-officedocument.presentationml"
+            )
+        elif type_ == DocumentIntelligenceFileType.XLSX:
+            prefixes.append(
+                "application/vnd.openxmlformats-officedocument.spreadsheetml.sheet"
+            )
+        elif type_ == DocumentIntelligenceFileType.PDF:
+            prefixes.append("application/pdf")
+            prefixes.append("application/x-pdf")
+        elif type_ == DocumentIntelligenceFileType.JPEG:
+            prefixes.append("image/jpeg")
+        elif type_ == DocumentIntelligenceFileType.PNG:
+            prefixes.append("image/png")
+        elif type_ == DocumentIntelligenceFileType.BMP:
+            prefixes.append("image/bmp")
+        elif type_ == DocumentIntelligenceFileType.TIFF:
+            prefixes.append("image/tiff")
+    return prefixes
+
+
+def _get_file_extensions(types: List[DocumentIntelligenceFileType]) -> List[str]:
+    """Get the file extensions for the given file types."""
+    extensions: List[str] = []
+    for type_ in types:
+        if type_ == DocumentIntelligenceFileType.DOCX:
+            extensions.append(".docx")
+        elif type_ == DocumentIntelligenceFileType.PPTX:
+            extensions.append(".pptx")
+        elif type_ == DocumentIntelligenceFileType.XLSX:
+            extensions.append(".xlsx")
+        elif type_ == DocumentIntelligenceFileType.PDF:
+            extensions.append(".pdf")
+        elif type_ == DocumentIntelligenceFileType.JPEG:
+            extensions.append(".jpg")
+            extensions.append(".jpeg")
+        elif type_ == DocumentIntelligenceFileType.PNG:
+            extensions.append(".png")
+        elif type_ == DocumentIntelligenceFileType.BMP:
+            extensions.append(".bmp")
+        elif type_ == DocumentIntelligenceFileType.TIFF:
+            extensions.append(".tiff")
+    return extensions
 
 
 class DocumentIntelligenceConverter(DocumentConverter):
@@ -71,8 +130,30 @@ class DocumentIntelligenceConverter(DocumentConverter):
         *,
         endpoint: str,
         api_version: str = "2024-07-31-preview",
+        credential: AzureKeyCredential | TokenCredential | None = None,
+        file_types: List[DocumentIntelligenceFileType] = [
+            DocumentIntelligenceFileType.DOCX,
+            DocumentIntelligenceFileType.PPTX,
+            DocumentIntelligenceFileType.XLSX,
+            DocumentIntelligenceFileType.PDF,
+            DocumentIntelligenceFileType.JPEG,
+            DocumentIntelligenceFileType.PNG,
+            DocumentIntelligenceFileType.BMP,
+            DocumentIntelligenceFileType.TIFF,
+        ],
     ):
+        """
+        Initialize the DocumentIntelligenceConverter.
+
+        Args:
+            endpoint (str): The endpoint for the Document Intelligence service.
+            api_version (str): The API version to use. Defaults to "2024-07-31-preview".
+            credential (AzureKeyCredential | TokenCredential | None): The credential to use for authentication.
+            file_types (List[DocumentIntelligenceFileType]): The file types to accept. Defaults to all supported file types.
+        """
+
         super().__init__()
+        self._file_types = file_types
 
         # Raise an error if the dependencies are not available.
         # This is different than other converters since this one isn't even instantiated
@@ -86,12 +167,18 @@ class DocumentIntelligenceConverter(DocumentConverter):
                 _dependency_exc_info[2]
             )
 
+        if credential is None:
+            if os.environ.get("AZURE_API_KEY") is None:
+                credential = DefaultAzureCredential()
+            else:
+                credential = AzureKeyCredential(os.environ["AZURE_API_KEY"])
+
         self.endpoint = endpoint
         self.api_version = api_version
         self.doc_intel_client = DocumentIntelligenceClient(
             endpoint=self.endpoint,
             api_version=self.api_version,
-            credential=DefaultAzureCredential(),
+            credential=credential,
         )
 
     def accepts(
@@ -103,10 +190,10 @@ class DocumentIntelligenceConverter(DocumentConverter):
         mimetype = (stream_info.mimetype or "").lower()
         extension = (stream_info.extension or "").lower()
 
-        if extension in OFFICE_FILE_EXTENSIONS + OTHER_FILE_EXTENSIONS:
+        if extension in _get_file_extensions(self._file_types):
             return True
 
-        for prefix in OFFICE_MIME_TYPE_PREFIXES + OTHER_MIME_TYPE_PREFIXES:
+        for prefix in _get_mime_type_prefixes(self._file_types):
             if mimetype.startswith(prefix):
                 return True
 
@@ -121,10 +208,18 @@ class DocumentIntelligenceConverter(DocumentConverter):
         mimetype = (stream_info.mimetype or "").lower()
         extension = (stream_info.extension or "").lower()
 
-        if extension in OFFICE_FILE_EXTENSIONS:
+        # Types that don't support ocr
+        no_ocr_types = [
+            DocumentIntelligenceFileType.DOCX,
+            DocumentIntelligenceFileType.PPTX,
+            DocumentIntelligenceFileType.XLSX,
+            DocumentIntelligenceFileType.HTML,
+        ]
+
+        if extension in _get_file_extensions(no_ocr_types):
             return []
 
-        for prefix in OFFICE_MIME_TYPE_PREFIXES:
+        for prefix in _get_mime_type_prefixes(no_ocr_types):
             if mimetype.startswith(prefix):
                 return []
 

packages/markitdown/src/markitdown/converters/_docx_converter.py

@@ -3,7 +3,8 @@ import sys
 from typing import BinaryIO, Any
 
 from ._html_converter import HtmlConverter
-from .._base_converter import DocumentConverter, DocumentConverterResult
+from ..converter_utils.docx.pre_process import pre_process_docx
+from .._base_converter import DocumentConverterResult
 from .._stream_info import StreamInfo
 from .._exceptions import MissingDependencyException, MISSING_DEPENDENCY_MESSAGE
 
@@ -72,6 +73,8 @@ class DocxConverter(HtmlConverter):
             )
 
         style_map = kwargs.get("style_map", None)
+        pre_process_stream = pre_process_docx(file_stream)
         return self._html_converter.convert_string(
-            mammoth.convert_to_html(file_stream, style_map=style_map).value, **kwargs
+            mammoth.convert_to_html(pre_process_stream, style_map=style_map).value,
+            **kwargs,
         )

packages/markitdown/src/markitdown/converters/_epub_converter.py

@@ -1,11 +1,12 @@
 import os
 import zipfile
-import xml.dom.minidom as minidom
+from defusedxml import minidom
+from xml.dom.minidom import Document
 
 from typing import BinaryIO, Any, Dict, List
 
 from ._html_converter import HtmlConverter
-from .._base_converter import DocumentConverter, DocumentConverterResult
+from .._base_converter import DocumentConverterResult
 from .._stream_info import StreamInfo
 
 ACCEPTED_MIME_TYPE_PREFIXES = [
@@ -128,7 +129,7 @@ class EpubConverter(HtmlConverter):
                 markdown="\n\n".join(markdown_content), title=metadata["title"]
             )
 
-    def _get_text_from_node(self, dom: minidom.Document, tag_name: str) -> str | None:
+    def _get_text_from_node(self, dom: Document, tag_name: str) -> str | None:
         """Convenience function to extract a single occurrence of a tag (e.g., title)."""
         texts = self._get_all_texts_from_nodes(dom, tag_name)
         if len(texts) > 0:
@@ -136,9 +137,7 @@ class EpubConverter(HtmlConverter):
         else:
             return None
 
-    def _get_all_texts_from_nodes(
-        self, dom: minidom.Document, tag_name: str
-    ) -> List[str]:
+    def _get_all_texts_from_nodes(self, dom: Document, tag_name: str) -> List[str]:
         """Helper function to extract all occurrences of a tag (e.g., multiple authors)."""
         texts: List[str] = []
         for node in dom.getElementsByTagName(tag_name):

packages/markitdown/src/markitdown/converters/_exiftool.py

@@ -1,10 +1,6 @@
 import json
 import subprocess
 import locale
-import sys
-import shutil
-import os
-import warnings
 from typing import BinaryIO, Any, Union
 
 

packages/markitdown/src/markitdown/converters/_ipynb_converter.py

@@ -50,8 +50,6 @@ class IpynbConverter(DocumentConverter):
         **kwargs: Any,  # Options to pass to the converter
     ) -> DocumentConverterResult:
         # Parse and convert the notebook
-        result = None
-
         encoding = stream_info.charset or "utf-8"
         notebook_content = file_stream.read().decode(encoding=encoding)
         return self._convert(json.loads(notebook_content))

packages/markitdown/src/markitdown/converters/_llm_caption.py

@@ -1,4 +1,4 @@
-from typing import BinaryIO, Any, Union
+from typing import BinaryIO, Union
 import base64
 import mimetypes
 from .._stream_info import StreamInfo

packages/markitdown/src/markitdown/converters/_pdf_converter.py

@@ -4,7 +4,6 @@ import io
 from typing import BinaryIO, Any
 
 
-from ._html_converter import HtmlConverter
 from .._base_converter import DocumentConverter, DocumentConverterResult
 from .._stream_info import StreamInfo
 from .._exceptions import MissingDependencyException, MISSING_DEPENDENCY_MESSAGE

packages/markitdown/src/markitdown/converters/_plain_text_converter.py

@@ -9,7 +9,7 @@ from .._stream_info import StreamInfo
 # Save reporting of any exceptions for later
 _dependency_exc_info = None
 try:
-    import mammoth
+    import mammoth  # noqa: F401
 except ImportError:
     # Preserve the error and stack trace for later
     _dependency_exc_info = sys.exc_info()

packages/markitdown/src/markitdown/converters/_rss_converter.py

@@ -1,4 +1,5 @@
-from xml.dom import minidom
+from defusedxml import minidom
+from xml.dom.minidom import Document, Element
 from typing import BinaryIO, Any, Union
 from bs4 import BeautifulSoup
 
@@ -97,7 +98,7 @@ class RssConverter(DocumentConverter):
         else:
             raise ValueError("Unknown feed type")
 
-    def _parse_atom_type(self, doc: minidom.Document) -> DocumentConverterResult:
+    def _parse_atom_type(self, doc: Document) -> DocumentConverterResult:
         """Parse the type of an Atom feed.
 
         Returns None if the feed type is not recognized or something goes wrong.
@@ -129,7 +130,7 @@ class RssConverter(DocumentConverter):
             title=title,
         )
 
-    def _parse_rss_type(self, doc: minidom.Document) -> DocumentConverterResult:
+    def _parse_rss_type(self, doc: Document) -> DocumentConverterResult:
         """Parse the type of an RSS feed.
 
         Returns None if the feed type is not recognized or something goes wrong.
@@ -176,7 +177,7 @@ class RssConverter(DocumentConverter):
             return content
 
     def _get_data_by_tag_name(
-        self, element: minidom.Element, tag_name: str
+        self, element: Element, tag_name: str
     ) -> Union[str, None]:
         """Get data from first child element with the given tag name.
         Returns None when no such element is found.

packages/markitdown/src/markitdown/converters/_wikipedia_converter.py

@@ -1,7 +1,6 @@
-import io
 import re
 import bs4
-from typing import Any, BinaryIO, Optional
+from typing import Any, BinaryIO
 
 from .._base_converter import DocumentConverter, DocumentConverterResult
 from .._stream_info import StreamInfo

packages/markitdown/src/markitdown/converters/_xlsx_converter.py

@@ -10,14 +10,14 @@ from .._stream_info import StreamInfo
 _xlsx_dependency_exc_info = None
 try:
     import pandas as pd
-    import openpyxl
+    import openpyxl  # noqa: F401
 except ImportError:
     _xlsx_dependency_exc_info = sys.exc_info()
 
 _xls_dependency_exc_info = None
 try:
-    import pandas as pd
-    import xlrd
+    import pandas as pd  # noqa: F811
+    import xlrd  # noqa: F401
 except ImportError:
     _xls_dependency_exc_info = sys.exc_info()
 

packages/markitdown/src/markitdown/converters/_youtube_converter.py

@@ -1,10 +1,8 @@
-import sys
 import json
 import time
-import io
 import re
 import bs4
-from typing import Any, BinaryIO, Optional, Dict, List, Union
+from typing import Any, BinaryIO, Dict, List, Union
 from urllib.parse import parse_qs, urlparse, unquote
 
 from .._base_converter import DocumentConverter, DocumentConverterResult
@@ -153,9 +151,14 @@ class YouTubeConverter(DocumentConverter):
             params = parse_qs(parsed_url.query)  # type: ignore
             if "v" in params and params["v"][0]:
                 video_id = str(params["v"][0])
+                transcript_list = ytt_api.list(video_id)
+                languages = ["en"]
+                for transcript in transcript_list:
+                    languages.append(transcript.language_code)
+                    break
                 try:
                     youtube_transcript_languages = kwargs.get(
-                        "youtube_transcript_languages", ("en",)
+                        "youtube_transcript_languages", languages
                     )
                     # Retry the transcript fetching operation
                     transcript = self._retry_operation(
@@ -165,12 +168,23 @@ class YouTubeConverter(DocumentConverter):
                         retries=3,  # Retry 3 times
                         delay=2,  # 2 seconds delay between retries
                     )
+
                     if transcript:
                         transcript_text = " ".join(
                             [part.text for part in transcript]
                         )  # type: ignore
                 except Exception as e:
+                    # No transcript available
+                    if len(languages) == 1:
                         print(f"Error fetching transcript: {e}")
+                    else:
+                        # Translate transcript into first kwarg
+                        transcript = (
+                            transcript_list.find_transcript(languages)
+                            .translate(youtube_transcript_languages[0])
+                            .fetch()
+                        )
+                        transcript_text = " ".join([part.text for part in transcript])
             if transcript_text:
                 webpage_text += f"\n### Transcript\n{transcript_text}\n"
 

packages/markitdown/src/markitdown/converters/_zip_converter.py

@@ -1,4 +1,3 @@
-import sys
 import zipfile
 import io
 import os

packages/markitdown/tests/_test_vectors.py

@@ -144,10 +144,11 @@ GENERAL_TEST_VECTORS = [
         charset="cp932",
         url=None,
         must_include=[
-            "名前,年齢,住所",
-            "佐藤太郎,30,東京",
-            "三木英子,25,大阪",
-            "髙橋淳,35,名古屋",
+            "| 名前 | 年齢 | 住所 |",
+            "| --- | --- | --- |",
+            "| 佐藤太郎 | 30 | 東京 |",
+            "| 三木英子 | 25 | 大阪 |",
+            "| 髙橋淳 | 35 | 名古屋 |",
         ],
         must_not_include=[],
     ),

packages/markitdown/tests/test_cli_misc.py

@@ -1,6 +1,5 @@
 #!/usr/bin/env python3 -m pytest
 import subprocess
-import pytest
 from markitdown import __version__
 
 # This file contains CLI tests that are not directly tested by the FileTestVectors.
@@ -24,8 +23,8 @@ def test_invalid_flag() -> None:
     assert result.returncode != 0, f"CLI exited with error: {result.stderr}"
     assert (
         "unrecognized arguments" in result.stderr
-    ), f"Expected 'unrecognized arguments' to appear in STDERR"
-    assert "SYNTAX" in result.stderr, f"Expected 'SYNTAX' to appear in STDERR"
+    ), "Expected 'unrecognized arguments' to appear in STDERR"
+    assert "SYNTAX" in result.stderr, "Expected 'SYNTAX' to appear in STDERR"
 
 
 if __name__ == "__main__":

packages/markitdown/tests/test_cli_vectors.py

@@ -19,13 +19,6 @@ else:
         FileTestVector,
     )
 
-from markitdown import (
-    MarkItDown,
-    UnsupportedFormatException,
-    FileConversionException,
-    StreamInfo,
-)
-
 skip_remote = (
     True if os.environ.get("GITHUB_ACTIONS") else False
 )  # Don't run these tests in CI
@@ -140,8 +133,6 @@ def test_convert_url(shared_tmp_dir, test_vector):
     """Test the conversion of a stream with no stream info."""
     # Note: tmp_dir is not used here, but is needed to match the signature
 
-    markitdown = MarkItDown()
-
     time.sleep(1)  # Ensure we don't hit rate limits
     result = subprocess.run(
         ["python", "-m", "markitdown", TEST_FILES_URL + "/" + test_vector.filename],
@@ -191,7 +182,6 @@ def test_output_to_file_with_data_uris(shared_tmp_dir, test_vector) -> None:
 
 
 if __name__ == "__main__":
-    import sys
     import tempfile
 
     """Runs this file's tests from the command line."""

packages/markitdown/tests/test_module_misc.py

@@ -1,8 +1,8 @@
 #!/usr/bin/env python3 -m pytest
 import io
 import os
+import re
 import shutil
-import openai
 import pytest
 
 from markitdown._uri_utils import parse_data_uri, file_uri_to_path
@@ -252,8 +252,6 @@ def test_file_uris() -> None:
 
 
 def test_docx_comments() -> None:
-    markitdown = MarkItDown()
-
     # Test DOCX processing, with comments and setting style_map on init
     markitdown_with_style_map = MarkItDown(style_map="comment-reference => ")
     result = markitdown_with_style_map.convert(
@@ -262,6 +260,19 @@ def test_docx_comments() -> None:
     validate_strings(result, DOCX_COMMENT_TEST_STRINGS)
 
 
+def test_docx_equations() -> None:
+    markitdown = MarkItDown()
+    docx_file = os.path.join(TEST_FILES_DIR, "equations.docx")
+    result = markitdown.convert(docx_file)
+
+    # Check for inline equation m=1 (wrapped with single $) is present
+    assert "$m=1$" in result.text_content, "Inline equation $m=1$ not found"
+
+    # Find block equations wrapped with double $$ and check if they are present
+    block_equations = re.findall(r"\$\$(.+?)\$\$", result.text_content)
+    assert block_equations, "No block equations found in the document."
+
+
 def test_input_as_strings() -> None:
     markitdown = MarkItDown()
 

packages/markitdown/tests/test_module_vectors.py

@@ -2,7 +2,6 @@
 import os
 import time
 import pytest
-import codecs
 import base64
 
 from pathlib import Path
@@ -14,8 +13,6 @@ else:
 
 from markitdown import (
     MarkItDown,
-    UnsupportedFormatException,
-    FileConversionException,
     StreamInfo,
 )
 
@@ -203,8 +200,6 @@ def test_convert_stream_keep_data_uris(test_vector):
 
 
 if __name__ == "__main__":
-    import sys
-
     """Runs this file's tests from the command line."""
 
     # General tests