PolyXML Python Bindings

High-performance native XML data-binding engine for Python dataclasses and Pydantic models.

Powered by polyxml-core written in Rust and PyO3 (abi3-py312).

Features

  • ⚡ Blazing Fast: 16x faster deserialization and 38x faster serialization than standard Python tools.
  • 🌊 Streaming iterparse(): Parse multi-gigabyte XML files with O(1) constant memory (<5 MB RAM).
  • 📦 Zero-GIL Binary Serialization: Native dumps_binary() and loads_binary() using MessagePack (msgspec), up to 12.4x faster than pickle.
  • 🎯 Full Type Support: Dataclasses and Pydantic v2 models with zero boilerplate.

Quickstart

from dataclasses import dataclass, field
import polyxml

@dataclass
class Item:
    id: int = field(metadata={"type": "Attribute"})
    name: str = field(metadata={"type": "Element"})

# 1. XML Deserialization
item = polyxml.deserialize(b'<Item id="1"><name>Gadget</name></Item>', Item)

# 2. XML Serialization
xml = polyxml.serialize(item, indent=2)

# 3. High-Speed Binary Serialization (Key-Value databases / IPC)
blob = polyxml.dumps_binary(item)
restored = polyxml.loads_binary(blob, Item)

Project links

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Latest release

1 maintainer

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Credits

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Author: Bailey Nguyen

GitHub Statistics

Data verified by PyPI on Sep 13, 2026
The GitHub source repository was provided by the project maintainers and verified by PyPI at the time of upload. Stars, forks, and open issues/PRs are derived from that repository and have not been independently verified.

License

MIT License (MIT)

Requires

Python >=3.12

Provides Extra

dev msgpack

Classifiers

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