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**note**: a large chunk of this diff comes from regenerating Python types after app-server schema changes on `main`. This is PR 3 of 3 for the Python SDK PyPI publishing split. PR #18862 refreshed the generated SDK surface, and PR #18865 made the runtime package publishable as `openai-codex-cli-bin`; this final PR makes the SDK package publishable as `openai-codex-app-server-sdk` and pins both packages to the same Codex runtime version. The key idea is that the published SDK version is the Codex runtime version. That one version now drives the SDK package version, the exact runtime dependency, the client version reported by the SDK, and the bootstrap runtime pin. This keeps release-time versioning in one lane instead of scattering checked-in literals through the package. ## What changed - Rename the SDK distribution from `codex-app-server-sdk` to `openai-codex-app-server-sdk` for conflict-free PyPI publishing. - Use `stage-sdk --codex-version ...` with one Codex version for both the SDK package version and exact `openai-codex-cli-bin` dependency. - Preserve hidden legacy `--runtime-version` / `--sdk-version` args only to reject mismatched versions during staging. - Map PEP 440 package versions back to Codex release tags for runtime setup downloads, e.g. `0.116.0a1` -> `rust-v0.116.0-alpha.1`. - Derive `codex_app_server.__version__`, the default `AppServerConfig.client_version`, and `_runtime_setup.pinned_runtime_version()` from the SDK package/project version instead of hardcoding duplicate version strings. - Carry the current generated SDK refresh from `main` so `generate-types` stays clean after recent app-server schema changes. - Update `sdk/python/uv.lock` for the renamed editable package. ## Validation - `uv run --extra dev pytest` in `sdk/python` -> 59 passed, 37 skipped. - Targeted `uv run ruff check` for the touched SDK files. - `git diff --check`. - Staged runtime with `--codex-version rust-v0.116.0-alpha.1 --platform-tag macosx_11_0_arm64`. - Staged SDK with `--codex-version rust-v0.116.0-alpha.1`. - Built runtime wheel, SDK wheel, and SDK sdist. - `twine check /tmp/codex-python-pr3-build/dist/*` -> passed. - Clean venv smoke installed `openai-codex-app-server-sdk==0.116.0a1` from local dist and pulled `openai-codex-cli-bin==0.116.0a1`. - Smoke imports passed for `Codex` and `bundled_codex_path()`.
111 lines
3.9 KiB
Markdown
111 lines
3.9 KiB
Markdown
# Codex App Server Python SDK (Experimental)
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Experimental Python SDK for `codex app-server` JSON-RPC v2 over stdio, with a small default surface optimized for real scripts and apps.
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The generated wire-model layer is currently sourced from the bundled v2 schema and exposed as Pydantic models with snake_case Python fields that serialize back to the app-server’s camelCase wire format.
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## Install
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```bash
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cd sdk/python
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uv sync
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source .venv/bin/activate
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```
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Published SDK builds pin an exact `openai-codex-cli-bin` runtime dependency
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with the same version as the SDK. For local repo development, either pass
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`AppServerConfig(codex_bin=...)` to point at a local build explicitly, or use
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the repo examples/notebook bootstrap which installs the pinned runtime package
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automatically.
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## Quickstart
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```python
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from codex_app_server import Codex
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with Codex() as codex:
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thread = codex.thread_start(model="gpt-5")
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result = thread.run("Say hello in one sentence.")
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print(result.final_response)
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print(len(result.items))
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```
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`result.final_response` is `None` when the turn completes without a final-answer
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or phase-less assistant message item.
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## Docs map
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- Golden path tutorial: `docs/getting-started.md`
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- API reference (signatures + behavior): `docs/api-reference.md`
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- Common decisions and pitfalls: `docs/faq.md`
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- Runnable examples index: `examples/README.md`
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- Jupyter walkthrough notebook: `notebooks/sdk_walkthrough.ipynb`
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## Examples
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Start here:
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```bash
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cd sdk/python
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python examples/01_quickstart_constructor/sync.py
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python examples/01_quickstart_constructor/async.py
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```
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## Runtime packaging
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The repo no longer checks `codex` binaries into `sdk/python`.
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Published SDK builds are pinned to an exact `openai-codex-cli-bin` package
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version, and that runtime package carries the platform-specific binary for the
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target wheel. The SDK package version and runtime package version must match.
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For local repo development, the checked-in `sdk/python-runtime` package is only
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a template for staged release artifacts. Editable installs should use an
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explicit `codex_bin` override for manual SDK usage; the repo examples and
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notebook bootstrap the pinned runtime package automatically.
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## Maintainer workflow
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```bash
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cd sdk/python
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python scripts/update_sdk_artifacts.py generate-types
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python scripts/update_sdk_artifacts.py \
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stage-sdk \
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/tmp/codex-python-release/openai-codex-app-server-sdk \
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--codex-version <codex-release-tag-or-pep440-version>
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python scripts/update_sdk_artifacts.py \
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stage-runtime \
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/tmp/codex-python-release/openai-codex-cli-bin \
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/path/to/codex \
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--codex-version <codex-release-tag-or-pep440-version>
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```
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Pass `--platform-tag ...` to `stage-runtime` when the wheel should be tagged for
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a Rust target that differs from the Python build host. The intended one-off
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matrix is `macosx_11_0_arm64`, `macosx_10_9_x86_64`,
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`musllinux_1_1_aarch64`, `musllinux_1_1_x86_64`, `win_arm64`, and
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`win_amd64`.
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This supports the CI release flow:
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- run `generate-types` before packaging
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- stage `openai-codex-app-server-sdk` once with an exact `openai-codex-cli-bin==...` dependency
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- stage `openai-codex-cli-bin` on each supported platform runner with the same pinned runtime version
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- build and publish `openai-codex-cli-bin` as platform wheels only; do not publish an sdist
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## Compatibility and versioning
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- Package: `openai-codex-app-server-sdk`
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- Runtime package: `openai-codex-cli-bin`
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- Python: `>=3.10`
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- Target protocol: Codex `app-server` JSON-RPC v2
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- Versioning rule: the SDK package version is the underlying Codex runtime version
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## Notes
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- `Codex()` is eager and performs startup + `initialize` in the constructor.
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- Use context managers (`with Codex() as codex:`) to ensure shutdown.
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- Prefer `thread.run("...")` for the common case. Use `thread.turn(...)` when
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you need streaming, steering, or interrupt control.
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- For transient overload, use `codex_app_server.retry.retry_on_overload`.
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