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This release is a pre-release and may not be stable for production use.

Statsig helps you move faster with feature gates (feature flags), and/or dynamic configs. It also allows you to run A/B/n tests to validate your new features and understand their impact on your KPIs. If you're new to Statsig, check out our product and create an account at statsig.com.

Getting Started

Read through the Documentation or check out the Samples.

ID-list file routing and fallback

download_id_list_file_api selects the preferred base URL for file downloads. Enable fallback_to_statsig_api to try the original file URL from the manifest after an overridden request exhausts its retries, provided that URL belongs to the trusted HTTPS OpenAI CDN origin:

let options = statsig_rust::StatsigOptions {
    download_id_list_file_api: Some("http://statsig-proxy:8080".to_string()),
    fallback_to_statsig_api: Some(true),
    ..Default::default()
};

Fallback accepts only https://statsigcdn.openai.com with the default port or explicit :443. Fallback sends no request or SDK credentials to other manifest origins; the original request error is returned. Fallback does not follow redirects. Custom network providers must implement send_without_redirects; otherwise the fallback returns an error without sending a request. Fallback preserves the URL's path and query except for legacy range parameters. It sends Range, statsig-id-list-file-size, and Accept-Encoding: identity headers, preserving the file identity and byte offset for incremental updates. A 206 response must have a valid Content-Range matching the requested offset and cover the advertised file size. If the CDN returns a full 200 response, the SDK applies only the bytes after that offset. Stale or inconsistent responses use the remaining retry budget without publishing the refresh. Direct CDN downloads that do not use fallback retain the existing range query protocol.

Set fallback_to_statsig_api to Some(false) or leave it unset to keep file downloads strictly on the selected destination. There is no second attempt when the override resolves to the original URL, no override is set, or the request fails with an authentication rejection (401/403) or another non-retryable error. Response parsing failures do not trigger fallback. This uses the existing option across language bindings; wrappers that disable it continue to opt out.

A successful proxy request makes no additional request. An eligible failure can add one request to the trusted CDN URL using the existing network timeout and retry policy. The next synchronization starts with the configured override again.

Read-only data stores

Rust data stores can override DataStoreTrait::is_read_only(); Python DataStore subclasses can override the synchronous is_read_only() method:

def is_read_only(self) -> bool:
    return not self.is_leader

The default is False, preserving existing writable stores. Return True for a follower that only consumes shared cache entries. Bootstrap/polling reads and config hydration/evaluation remain enabled, but full network responses no longer build or compress hydrated cache snapshots or call the datastore's write methods. Delta responses continue to skip snapshot writes. Keep the role stable during an update. A failing Python capability check is treated as read-only.

Packages

Python protobuf-typed reads and explicit publication callbacks are described in Python typed configs.

Bindings

Community

If you need any assitance or just have a question, feel free to reach out to us on Slack.

Metadata

Release files for oai-statsig-python-core 0.34.0rc4

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Source distribution (sdist)

Source distribution for oai-statsig-python-core 0.34.0rc4
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Built distributions (wheels)

Table of built distributions (wheels) for oai-statsig-python-core 0.34.0rc4
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oai_statsig_python_core-0.34.0rc4-cp310-abi3-win_amd64.whl CPython 3.10 abi3 Windows x86-64 Details
oai_statsig_python_core-0.34.0rc4-cp310-abi3-win32.whl CPython 3.10 abi3 Windows x86-32 Details
oai_statsig_python_core-0.34.0rc4-cp310-abi3-musllinux_1_2_x86_64.whl CPython 3.10 abi3 Linux musl 1.2+ x86-64 Details
oai_statsig_python_core-0.34.0rc4-cp310-abi3-musllinux_1_2_aarch64.whl CPython 3.10 abi3 Linux musl 1.2+ ARM64 Details
oai_statsig_python_core-0.34.0rc4-cp310-abi3-manylinux_2_17_x86_64.manylinux2014_x86_64.whl CPython 3.10 abi3 Linux glibc 2.17+ x86-64 Details
oai_statsig_python_core-0.34.0rc4-cp310-abi3-manylinux_2_17_aarch64.manylinux2014_aarch64.whl CPython 3.10 abi3 Linux glibc 2.17+ ARM64 Details
oai_statsig_python_core-0.34.0rc4-cp310-abi3-macosx_11_0_arm64.whl CPython 3.10 abi3 macOS 11.0+ ARM64 Details
oai_statsig_python_core-0.34.0rc4-cp310-abi3-macosx_10_12_x86_64.whl CPython 3.10 abi3 macOS 10.12+ x86-64 Details

Total release size: 128.4 MB

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Release history Release notifications | RSS feed

0.36.0

9 release files

This release

0.34.0rc4 This release

9 release files

0.31.0

9 release files

0.28.0

9 release files

0.27.0

9 release files

0.26.0

9 release files

0.24.1

9 release files

0.24.0

9 release files

0.20.0

9 release files

0.19.4

9 release files

0.19.3

9 release files

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