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## Why The Python SDK can already create threads and run turns, but authentication still has to be arranged outside the SDK. App-server already exposes account login, account inspection, logout, and `account/login/completed` notifications, so SDK users currently have to work around a missing public client layer for a core setup step. This change makes authentication a normal SDK workflow while preserving the backend flow shape: API-key login completes immediately, and interactive ChatGPT flows return live handles that complete later through app-server notifications. ## What changed - Added public sync and async auth methods on `Codex` / `AsyncCodex`: - `login_api_key(...)` - `login_chatgpt()` - `login_chatgpt_device_code()` - `account(...)` - `logout()` - Added public browser-login and device-code handle types with attempt-local `wait()` and `cancel()` helpers. Cancellation stays on the handle instead of a root-level SDK method. - Extended the Python app-server client and notification router so login completion events are routed by `login_id` without consuming unrelated global notifications. - Kept login request/handle logic in a focused internal `_login.py` module so `api.py` remains the public facade instead of absorbing more auth plumbing. - Exported the new handle types plus curated account/login response types from the SDK surfaces. - Updated SDK docs, added sync/async login walkthrough examples, and added a notebook login walkthrough cell. ## Verification Added SDK coverage for: - API-key login, account readback, and logout through the app-server harness in both sync and async clients. - Browser login cancellation plus `handle.wait()` completion through the real app-server boundary used by the Python SDK harness. - Waiter routing that stays scoped across replaced interactive login attempts, plus async handle cancellation coverage. - Login notification demuxing, replay of early completion events, and async client delegation. - Public export/signature assertions. - Real integration-suite smoke coverage for the new examples and notebook login cell.
107 lines
3.2 KiB
Markdown
107 lines
3.2 KiB
Markdown
# OpenAI Codex 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 sourced from the pinned `openai-codex-cli-bin`
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runtime package and exposed as Pydantic models with snake_case Python fields
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that serialize back to the app-server’s camelCase wire format.
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The package root exports the ergonomic client API; public app-server value and
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event types live in `openai_codex.types`.
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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. Pass `AppServerConfig(codex_bin=...)` only
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when you intentionally want to run against a specific local app-server binary.
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## Quickstart
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```python
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from openai_codex import Codex
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with Codex() as codex:
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# Call login_api_key(...) first when this app-server session is not
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# already authenticated.
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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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## Login
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Use the auth helper that matches your app:
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```python
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from openai_codex import Codex
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with Codex() as codex:
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codex.login_api_key("sk-...")
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account = codex.account()
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print(account.account)
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```
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Interactive ChatGPT login returns a handle. Open the provided URL or device-code
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page, then wait for the matching completion event:
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```python
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with Codex() as codex:
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login = codex.login_chatgpt()
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print(login.auth_url)
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completed = login.wait()
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print(completed.success)
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```
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Use `login_chatgpt_device_code()` for device-code auth, `handle.cancel()` to
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stop an in-progress interactive login, and `logout()` to clear the active
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app-server account session.
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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
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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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## Compatibility and versioning
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- Package: `openai-codex`
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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 `retry_on_overload` from the package root.
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