Serialization & Data Formats Packages
Serialization and data-format libraries for converting between structured data and wire formats (Serde, Protobuf, JSON/YAML/TOML, MessagePack).
Packages in Serialization & Data Formats
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SQLAlchemy-JSON
Mutation-tracked JSON column types for SQLAlchemy, including deeply nested changes.
lkml
A fast, dependency-free Python parser and serializer for Looker's LookML modeling language.
django-picklefield
A Django model field that transparently pickles and unpickles arbitrary Python objects
python-tblib
Serialize Python tracebacks and exceptions so they survive pickling across processes.
coreapi
A Python client library for interacting with hypermedia and schema-described APIs across CoreJSON, OpenAPI, JSON Hyper-Schema, and HAL.
pybase64
Fast Base64 encoding and decoding for Python, powered by a SIMD-accelerated C extension with an automatic pure-Python fallback.
export-from-json
Convert JavaScript objects and JSON into downloadable txt, csv, tsv, xls, xml, css, html, or json files, in the browser or on the server.
pyjson5
A fast JSON5 serializer and parser for Python 3, implemented in Cython with a C++ core.
GeoMet
Pure-Python conversion library for common geospatial data formats
querystringify
A small, dependency-free JavaScript library for parsing and building URL query strings, with built-in protection against prototype-pollution keys.
croaring
Rust wrapper for CRoaring, providing fast compressed roaring bitmaps for set operations.
exif-reader
A dependency-free Node.js library that decodes EXIF metadata from raw JPEG and TIFF image buffers.
html5gum
A WHATWG-spec-compliant HTML5 tokenizer for Rust with pluggable emitters, letting you trade convenience for near-zero-allocation performance.
node-logfmt
A logfmt (key=value) parser, stringifier, and structured logger for Node.js, with Express/restify body-parsing middleware and a CLI.
dom-serializer
Renders domhandler DOM nodes back into HTML or XML strings, with fine control over entity encoding and tag formatting.
python-json-pointer
Resolve and apply RFC 6901 JSON Pointers against Python data structures.
prost-reflect
Reflection and dynamic messages for prost-based Protobuf code in Rust.
Partial JSON Parser
A zero-dependency Python library that completes and parses incomplete JSON streamed token-by-token from LLMs.
@mapbox/geojson-rewind
Enforce the right-hand-rule polygon ring winding order for GeoJSON geometries.
Ogg
Pure-Rust decoder and encoder for the Ogg container format, implementing the xiph.org Ogg framing spec.
avro-rs
The official Rust SDK for Apache Avro, providing binary encoding, decoding, and schema validation for the Avro data serialization format.
pytoml
A strict, specs-conforming TOML 0.4.0 parser and writer for Python.
protox
A pure-Rust implementation of the protobuf compiler, usable as a library without protoc.
xmljson
Convert XML into Python dictionary and JSON tree structures and back, across six conventions.
