Use GroupDocs.Watermark for Python via .NET with AI coding assistants and LLMs — the bundled AGENTS.md reference, the GroupDocs MCP server, and machine-readable documentation....object (`open(path, "wb")`), an `io.BytesIO` , or a .NET `Stream`...pass `open("file", "rb")` or `io.BytesIO(data)` where .NET expects...