python-sdk/openfeature/api.py

73 lines
1.8 KiB
Python

import typing
from openfeature.client import OpenFeatureClient
from openfeature.evaluation_context import EvaluationContext
from openfeature.exception import GeneralError
from openfeature.hook import Hook
from openfeature.provider.metadata import Metadata
from openfeature.provider.no_op_provider import NoOpProvider
from openfeature.provider.provider import AbstractProvider
_provider: AbstractProvider = NoOpProvider()
_evaluation_context = EvaluationContext()
_hooks: typing.List[Hook] = []
def get_client(
name: typing.Optional[str] = None, version: typing.Optional[str] = None
) -> OpenFeatureClient:
return OpenFeatureClient(name=name, version=version, provider=_provider)
def set_provider(provider: AbstractProvider) -> None:
global _provider
if provider is None:
raise GeneralError(error_message="No provider")
if _provider:
_provider.shutdown()
_provider = provider
provider.initialize(_evaluation_context)
def get_provider() -> typing.Optional[AbstractProvider]:
global _provider
return _provider
def get_provider_metadata() -> typing.Optional[Metadata]:
global _provider
return _provider.get_metadata()
def get_evaluation_context() -> EvaluationContext:
global _evaluation_context
return _evaluation_context
def set_evaluation_context(evaluation_context: EvaluationContext) -> None:
global _evaluation_context
if evaluation_context is None:
raise GeneralError(error_message="No api level evaluation context")
_evaluation_context = evaluation_context
def add_hooks(hooks: typing.List[Hook]) -> None:
global _hooks
_hooks = _hooks + hooks
def clear_hooks() -> None:
global _hooks
_hooks = []
def get_hooks() -> typing.List[Hook]:
global _hooks
return _hooks
def shutdown() -> None:
_provider.shutdown()