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OpenAPI Client Generator

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OpenAPI Client Generator

This CLI utility allows you to generate Python client packages from OpenAPI v3 specifications. The project aims at supporting any generic valid specification.


  • works on Python 3.8 and above;

  • generates clients with type hints to aid static analysis of higher level interfaces that would use the clients;

  • supports streaming endpoints.


You can install it from PyPI:

pip install openapi-client-generator

Afterwards, use a CLI utility called openapi-client-generator:

$ openapi-client-generator --help
usage: openapi-client-generator [-h] [-V] {gen} ...

OpenAPI Client Generator

optional arguments:
  -h, --help     show this help message and exit
  -V, --version  show program's version number and exit

  valid sub-commands

  {gen}          additional help
    gen          Generate client for a provided schema (JSON, YAML).


Cloning this repo

The proper way to clone this repo is:

git clone --recurse-submodules <repo-url> <local-project-root>
cd <local-project-root>

# for showing submodule status with `git status`
git config status.submodulesummary 1

# for logging submodule diff with `git diff`
git config diff.submodule log

Test framework

The project uses Nix for bootstrapping its dev environment.

You can run existing test suite with

$ nix-shell --run "make test"


Documentation is hosted on ReadTheDocs:





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