flager 0.1.2

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Flager

Feature flags updater for python

Installation

pip install flager

Features

• Anyio
• Abstract code for any backend, e.g., flipt, redis, etc.

Usage

feature flags updater

import asyncio
from dataclasses import dataclass
from typing import Dict, Optional

from flager import FeatureFlagsUpdater


async def show_flags(flags: Dict[str, bool]) -> None:
    while True:
        print(flags)
        await asyncio.sleep(1)


async def main() -> None:
    flags = {"flag_1": False}
    ff_updater = FeatureFlagsUpdater([flags], client=Client(), interval=5)
    await asyncio.gather(ff_updater.run(), show_flags(flags))


@dataclass
class Flag:
    key: str
    enabled: Optional[bool]


class Client:
    flags = {"flag_1": Flag("flag_1", True)}

    async def get_flag(self, key: str) -> Optional[Flag]:
        return self.flags[key]


asyncio.run(main())

feature flag proxy

from flager import FeatureFlagsProxy


async def main() -> None:
    flags = {"flag_1": False}
    flags_proxy = FeatureFlagsProxy(flags, client=Client())
    print(await flags_proxy["flag_1"])

License

• MIT LICENSE

Contribution

Contribution guidelines for this project