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## Why The SDK release workflow published the runtime before building the SDK, so an SDK build failure could leave the runtime published on its own. ## What changed - Extract a reusable SDK build workflow that packages checked-in generated code and runs alongside runtime preparation. Require both builds before publishing the runtime, and verify runtime availability before publishing the SDK. - Add `stage-sdk --codex-version` to set an explicit runtime dependency independently of the SDK version, retaining the checked-in pin by default and rejecting missing or duplicate pins. - Accept Codex release tags in the runtime version resolver and use its normalized Python version for standalone runtime PyPI verification. ## Testing Add coverage for wheel and source distribution metadata, preservation of checked-in code, independent beta SDK versions, runtime tag normalization, and invalid versions or dependency pins. GitOrigin-RevId: feb572fadcf5d148814b26b480b4bae5ef6a39c5
OpenAI Codex Python SDK
Build Python applications that start Codex threads, run turns, stream progress, and control workspace access.
Install
Install the SDK:
pip install openai-codex
Quickstart
The SDK reuses your existing Codex authentication when one is already available:
from openai_codex import Codex
with Codex() as codex:
thread = codex.thread_start()
result = thread.run("Explain this repository in three bullets.")
print(result.final_response)
thread.run(...) returns a TurnResult containing the final response,
collected items, and token usage.
Authentication
Existing Codex authentication is reused automatically. To start ChatGPT browser login explicitly:
from openai_codex import Codex
with Codex() as codex:
login = codex.login_chatgpt()
print(login.auth_url)
print(login.wait().success)
For device-code login:
with Codex() as codex:
login = codex.login_chatgpt_device_code()
print(login.verification_url, login.user_code)
login.wait()
For API-key login:
with Codex() as codex:
codex.login_api_key("sk-...")
Built-In Help
Use Python's standard help(openai_codex), help(Codex), or
python -m pydoc openai_codex documentation tools.
Documentation
The package is licensed under the repository Apache License 2.0.