Feature flags updater for python
pip install flager
- Anyio
- Abstract code for any backend, e.g., flipt, redis, etc.
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"])