pyangbind
PyangBind is a plugin for pyang which converts YANG data models into a Python class hierarchy, such that Python can be used to manipulate data that conforms with a YANG model.
Decision gist · record as of 2026-08-14
Yes. PyangBind is actively maintained, has no known vulnerabilities, installs with low friction, and is essential infrastructure for anyone using pyang to generate Python bindings from YANG models. The Apache 2.0 license is permissive. Install it as a dependency when you need runtime support for YANG-derived Python classes.AI-flagged interpretation of the facts on this page — verify before relying
Before you install
- Requires pyang to have already generated Python classes from your YANG models; this package provides the runtime support for those generated classes, not the generation itself.
- Low friction: pure Python wheel with four straightforward runtime dependencies (pyang, lxml, regex, enum34).
- Actively maintained with a recent release and no known vulnerabilities.
License · maintenance · safety
Apache License, Version 2.0 (permissive) — Apache License 2.0 is permissive; you can use, modify, and distribute this package freely in commercial or open-source projects with minimal restrictions.
last release 2025-12-10 (247 days) · last repo commit 2026-04-01 · 216 stars
0 known vulnerabilities (OSV.dev, 2026-08-14) · 380,891 downloads/mo, #7,100 on PyPI
Alternatives
Verify before relying
pip install pyangbind
from pyangbind.base import PybindBase
from pyangbind.serialise import pybindJSONEncoder
import json
# Use generated YANG-derived classes to build and serialize data
data = YourYANGGeneratedClass()
json_output = json.dumps(data, cls=pybindJSONEncoder)- Whether enum34 is actually needed for Python 3.8+ (enum is built-in since 3.4)
- Performance characteristics when working with large or deeply nested YANG models
- Completeness of YANG type coverage (e.g., all YANG 1.1 types, extension handling)
What it is and what it does
PyangBind is the runtime library that powers YANG-to-Python code generation. When you use the pyang plugin to convert a YANG network model into Python classes, those generated classes inherit from and rely on PyangBind's base classes and utility functions. The package provides the foundational infrastructure: a base class for all YANG containers and modules, JSON serialization and deserialization, XPATH-based object lookup, and type wrappers that enforce YANG constraints like ranges, patterns, and restricted decimal precision.
You typically use PyangBind indirectly—by installing it alongside pyang, running pyang's code generator on your YANG files, and then importing the generated Python modules. The generated code uses PyangBind's classes and helpers to validate data, convert between Python objects and JSON, and query object hierarchies. It's essential for anyone building network configuration management tools, device simulators, or data-driven applications that work with YANG-modeled network state.
Use it for
- Generate Python APIs from YANG network models and use PyangBind to serialize/deserialize configuration to JSON for REST APIs.
- Build network device simulators or test harnesses that validate configuration against YANG constraints using generated PyangBind classes.
- Query and manipulate complex network state hierarchies using XPATH expressions through YANGPathHelper.
- Enforce YANG type restrictions (ranges, patterns, decimal precision) on Python objects without manual validation code.
- Migrate or translate network configuration between formats by loading JSON into YANG-derived classes and exporting to other formats.
Worth the install?
AI-flagged interpretation of the facts on this page. Verify before relying on it.
Yes.
PyangBind is actively maintained, has no known vulnerabilities, installs with low friction, and is essential infrastructure for anyone using pyang to generate Python bindings from YANG models. The Apache 2.0 license is permissive. Install it as a dependency when you need runtime support for YANG-derived Python classes.
Install
pyangbind on PyPI
Before you install
Low friction: pure Python wheel with four straightforward runtime dependencies (pyang, lxml, regex, enum34). Actively maintained with a recent release and no known vulnerabilities.
Requires pyang to have already generated Python classes from your YANG models; this package provides the runtime support for those generated classes, not the generation itself.
License in practice
Apache License 2.0 is permissive; you can use, modify, and distribute this package freely in commercial or open-source projects with minimal restrictions.
Quickstart
pip install pyangbind
from pyangbind.base import PybindBase
from pyangbind.serialise import pybindJSONEncoder
import json
# Use generated YANG-derived classes to build and serialize data
data = YourYANGGeneratedClass()
json_output = json.dumps(data, cls=pybindJSONEncoder)Verify before relying
- Whether enum34 is actually needed for Python 3.8+ (enum is built-in since 3.4)
- Performance characteristics when working with large or deeply nested YANG models
- Completeness of YANG type coverage (e.g., all YANG 1.1 types, extension handling)
Package facts
| License | Apache License, Version 2.0 permissive |
| Python support | Supports the current Python release >=3.7 |
| Install friction | Low. Pure-Python wheel |
| Runtime dependencies | 4 packagespyanglxmlregexenum34 |
| Maintenance | Actively maintained 247 days since the last release |
| Last repo commit | |
| First released | |
| Downloads | 380,891 / month, #7,100 on PyPI 30-day window, as of 2026-08-14 |
| Known vulnerabilities | None known OSV.dev, checked 2026-08-14 |
| Classifiers | Development Status :: 4 - BetaIntended Audience :: DevelopersIntended Audience :: Telecommunications IndustryLicense :: OSI Approved :: Apache Software LicenseProgramming Language :: Python :: 3.10Programming Language :: Python :: 3.11Programming Language :: Python :: 3.12Programming Language :: Python :: 3.13Programming Language :: Python :: 3.8Programming Language :: Python :: 3.9Programming Language :: Python :: Implementation :: CPythonProgramming Language :: Python :: Implementation :: PyPyTopic :: Software Development :: Code Generators |
Evidence: pyangbind-0.8.7-py3-none-any.whl
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See also pyang · yang.connector · xml-python · pydantic-xml · dynamic-yaml · py-ubjson · json-encoder · numpyencoder · hjson · simplejson