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This is PR 2 of the Python SDK PyPI publishing split. [PR 1](https://github.com/openai/codex/pull/18862) refreshed the generated SDK bindings; this PR makes the runtime package itself publishable, and PR 3 will wire the SDK package/version pinning to this runtime package. ## Summary - Rename the runtime distribution to `openai-codex-cli-bin` while keeping the import package as `codex_cli_bin`. - Make the runtime package wheel-only and build `py3-none-<platform>` wheels instead of interpreter-specific wheels. - Add `stage-runtime --codex-version` and `--platform-tag` so release staging can produce the platform wheel matrix from Codex release tags. - Add focused artifact workflow tests for version normalization, platform tag injection, and runtime wheel metadata. ## Why Rename There is already an unofficial PyPI package, [`codex-bin`](https://pypi.org/project/codex-bin/), distributing OpenAI Codex binaries. Publishing the official SDK runtime dependency as `openai-codex-cli-bin` makes the ownership clear, avoids confusing the SDK-pinned runtime wheel with that unowned wrapper, and keeps the import package unchanged as `codex_cli_bin`. ## Tests - `uv run --extra dev pytest tests/test_artifact_workflow_and_binaries.py` -> 21 passed - `uv run --extra dev python scripts/update_sdk_artifacts.py stage-runtime /tmp/codex-python-pr2-rebased/runtime-stage /tmp/codex-python-pr2-rebased/codex --codex-version rust-v0.116.0-alpha.1 --platform-tag macosx_11_0_arm64` - `uv run --with build --extra dev python -m build --wheel /tmp/codex-python-pr2-rebased/runtime-stage` - `uv run --with twine --extra dev twine check /tmp/codex-python-pr2-rebased/runtime-stage/dist/openai_codex_cli_bin-0.116.0a1-py3-none-macosx_11_0_arm64.whl` ## Note - Full `uv run --extra dev pytest` currently fails because regenerating from schemas already on `main` adds new DeviceKey Python types. I left that generated catch-up out of this runtime-only PR.
Python SDK Examples
Each example folder contains runnable versions:
sync.py(public sync surface:Codex)async.py(public async surface:AsyncCodex)
All examples intentionally use only public SDK exports from codex_app_server.
Prerequisites
- Python
>=3.10 - Install SDK dependencies for the same Python interpreter you will use to run examples
Recommended setup (from sdk/python):
python -m venv .venv
source .venv/bin/activate
python -m pip install -U pip
python -m pip install -e .
When running examples from this repo checkout, the SDK source uses the local
tree and does not bundle a runtime binary. The helper in examples/_bootstrap.py
uses the installed openai-codex-cli-bin runtime package.
If the pinned openai-codex-cli-bin runtime is not already installed, the bootstrap
will download the matching GitHub release artifact, stage a temporary local
openai-codex-cli-bin package, install it into your active interpreter, and clean up
the temporary files afterward.
Current pinned runtime version: 0.116.0-alpha.1
Run examples
From sdk/python:
python examples/<example-folder>/sync.py
python examples/<example-folder>/async.py
The examples bootstrap local imports from sdk/python/src automatically, so no
SDK wheel install is required. You only need the Python dependencies for your
active interpreter and an installed openai-codex-cli-bin runtime package (either
already present or automatically provisioned by the bootstrap).
Recommended first run
python examples/01_quickstart_constructor/sync.py
python examples/01_quickstart_constructor/async.py
Index
01_quickstart_constructor/- first run / sanity check
02_turn_run/- inspect full turn output fields
03_turn_stream_events/- stream a turn with a small curated event view
04_models_and_metadata/- discover visible models for the connected runtime
05_existing_thread/- resume a real existing thread (created in-script)
06_thread_lifecycle_and_controls/- thread lifecycle + control calls
07_image_and_text/- remote image URL + text multimodal turn
08_local_image_and_text/- local image + text multimodal turn using a generated temporary sample image
09_async_parity/- parity-style sync flow (see async parity in other examples)
10_error_handling_and_retry/- overload retry pattern + typed error handling structure
11_cli_mini_app/- interactive chat loop
12_turn_params_kitchen_sink/- structured output with a curated advanced
turn(...)configuration
- structured output with a curated advanced
13_model_select_and_turn_params/- list models, pick highest model + highest supported reasoning effort, run turns, print message and usage
14_turn_controls/- separate best-effort
steer()andinterrupt()demos with concise summaries
- separate best-effort