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NoteGroupDocs.Watermark for Python via .NET does not require any external software such as Microsoft Office or third-party document editors. To install the library, follow the steps in the Installation guide.
GroupDocs.Watermark for Python via .NET runs on Windows, Linux, and macOS. The package ships as a platform-specific .whl on PyPI and pip picks the correct one automatically.
- Microsoft Windows 10 (x64)
- Microsoft Windows 11 (x64)
- Microsoft Windows Server 2016 and later
- Ubuntu 20.04+, Debian 11+, CentOS 8+, Fedora 36+ (glibc-based distributions)
- macOS 12 (Monterey) and later — Intel and Apple Silicon (M-series)
GroupDocs.Watermark for Python via .NET supports Python 3.5 through 3.14. The wheel uses the py3-none-{platform} tag, meaning it works with any Python 3.x version in that range without per-version rebuilds.
| Python Version | Supported |
|---|---|
| 3.5 | Yes |
| 3.6 | Yes |
| 3.7 | Yes |
| 3.8 | Yes |
| 3.9 | Yes |
| 3.10 | Yes |
| 3.11 | Yes |
| 3.12 | Yes |
| 3.13 | Yes |
| 3.14 | Yes |
GroupDocs.Watermark for Python via .NET is distributed via PyPI:
pip install groupdocs-watermark-net
The PyPI index hosts one wheel per platform:
| Platform | Wheel suffix |
|---|---|
| Windows 64-bit | py3-none-win_amd64.whl |
| Linux x64 (glibc) | py3-none-manylinux1_x86_64.whl |
| macOS Apple Silicon | py3-none-macosx_11_0_arm64.whl |
| macOS Intel | py3-none-macosx_10_14_x86_64.whl |
GroupDocs.Watermark uses libgdiplus for drawing routines when a document contains images or rasterized output is produced. On Windows no extra setup is required. On Linux install libgdiplus and a minimal font set so that image-bearing documents render correctly.
Install the following packages on Debian / Ubuntu derivatives:
sudo apt-get update
sudo apt-get install -y libgdiplus libfontconfig1 libicu-dev ttf-mscorefonts-installer
- libgdiplus — Mono library providing a GDI+-compatible API on non-Windows operating systems.
- libfontconfig1 — needed for drawing functions (image and font rendering).
- libicu-dev — required by the .NET runtime. Do not set
DOTNET_SYSTEM_GLOBALIZATION_INVARIANT, as it disables culture-sensitive operations. - ttf-mscorefonts-installer — Microsoft-compatible fonts used by many Office-format documents. If it is not available, add the
contribcomponent to your apt sources and re-runapt-get update.
Install libgdiplus using Homebrew:
brew install mono-libgdiplus
If you see a DllNotFoundException: libSkiaSharp error after upgrading, an older system copy of SkiaSharp is shadowing the one bundled with the wheel. Rename it so the bundled copy wins:
sudo mv /usr/local/lib/libSkiaSharp.dylib /usr/local/lib/libSkiaSharp.dylib.bak
No extra dependencies — the wheel is self-contained.
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