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codex/sdk/python/examples/README.md
Shaqayeq 3cf1306968 python-sdk: use pinned runtime package in real coverage (2026-03-12)
2026-03-12

Switch the repo-source Python SDK real coverage over to a pinned runtime-package flow backed by GitHub release artifacts instead of PATH or explicit binary overrides.

- add sdk/python/_runtime_setup.py to download the release codex archive for a requested CODEX_PYTHON_RUNTIME_VERSION, stage a temporary codex-cli-bin package, and install it into a target Python environment with cleanup
- refactor real integration tests to run repo-source SDK code against an isolated site-packages target that contains the staged codex-cli-bin runtime
- update examples and notebook bootstrap to install and use the runtime package, and stop consulting CODEX_PYTHON_SDK_CODEX_BIN or PATH
- switch the failing turn-run and model-selection examples to runtime-compatible model selection for the pinned release binary
- keep the main SDK runtime resolution model unchanged: explicit codex_bin or installed codex-cli-bin

Validation:
- python3 -m pytest sdk/python/tests
- RUN_REAL_CODEX_TESTS=1 CODEX_PYTHON_RUNTIME_VERSION=0.115.0-alpha.11 python3 -m pytest sdk/python/tests/test_real_app_server_integration.py

Co-authored-by: Codex <noreply@openai.com>
2026-03-12 10:15:56 -07:00

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# 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`):
```bash
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 `codex-cli-bin` runtime package.
If `codex-cli-bin` is not already installed, set `CODEX_PYTHON_RUNTIME_VERSION`
to a release version like `0.115.0-alpha.11`; the bootstrap will download the
matching GitHub release artifact, stage a temporary local `codex-cli-bin`
package, install it into your active interpreter, and clean up the temporary
files afterward.
## Run examples
From `sdk/python`:
```bash
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 `codex-cli-bin` runtime package (either
already present or provisioned through `CODEX_PYTHON_RUNTIME_VERSION`).
## Recommended first run
```bash
export CODEX_PYTHON_RUNTIME_VERSION=0.115.0-alpha.11
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 and print raw notifications
- `04_models_and_metadata/`
- read server metadata and model list
- `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 bundled 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/`
- one turn using most optional `turn(...)` params (sync + async)
- `13_model_select_and_turn_params/`
- list models, pick highest model + highest supported reasoning effort, run turns, print message and usage