chore!: drop Python 3.8 support (#441)

* drop Python 3.8 support

Signed-off-by: gruebel <[email protected]>

* pin mypy python version to 3.9

Signed-off-by: gruebel <[email protected]>

---------

Signed-off-by: gruebel <[email protected]>
Co-authored-by: Michael Beemer <[email protected]>

Author: gruebel

.github/workflows/build.yml

@@ -21,7 +21,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        python-version: ["3.8", "3.9", "3.10", "3.11", "3.12", "3.13"]
+        python-version: ["3.9", "3.10", "3.11", "3.12", "3.13"]
 
     steps:
       - uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4
@@ -44,7 +44,7 @@ jobs:
       - name: Run E2E tests with behave
         run: hatch run e2e
 
-      - if: matrix.python-version == '3.11'
+      - if: matrix.python-version == '3.13'
         name: Upload coverage to Codecov
         uses: codecov/codecov-action@13ce06bfc6bbe3ecf90edbbf1bc32fe5978ca1d3 # v5.3.1
         with:
@@ -61,7 +61,7 @@ jobs:
       - uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4
       - uses: actions/setup-python@42375524e23c412d93fb67b49958b491fce71c38 # v5
         with:
-          python-version: "3.11"
+          python-version: "3.13"
           cache: "pip"
 
       - name: Run pre-commit
@@ -77,7 +77,7 @@ jobs:
       - uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4
       - uses: actions/setup-python@42375524e23c412d93fb67b49958b491fce71c38 # v5
         with:
-          python-version: "3.11"
+          python-version: "3.13"
 
       - name: Initialize CodeQL
         uses: github/codeql-action/init@9e8d0789d4a0fa9ceb6b1738f7e269594bdd67f0 # v3

.pre-commit-config.yaml

@@ -1,4 +1,4 @@
-default_stages: [commit]
+default_stages: [pre-commit]
 repos:
   - repo: https://github.com/astral-sh/ruff-pre-commit
     rev: v0.9.6

CONTRIBUTING.md

@@ -4,11 +4,11 @@
 
 ### System Requirements
 
-Python 3.8 and above are required.
+Python 3.9 and above are required.
 
 ### Target version(s)
 
-Python 3.8 and above are supported by the SDK.
+Python 3.9 and above are supported by the SDK.
 
 ### Installation and Dependencies
 

README.md

@@ -34,7 +34,7 @@
   </a>
 
   <a href="https://www.python.org/downloads/">
-    <img alt="Min python version" src="https://img.shields.io/badge/python->=3.8-blue.svg" />
+    <img alt="Min python version" src="https://img.shields.io/badge/python->=3.9-blue.svg" />
   </a>
 
   <a href="https://www.repostatus.org/#wip">
@@ -51,7 +51,7 @@
 
 ### Requirements
 
-- Python 3.8+
+- Python 3.9+
 
 ### Install
 

openfeature/_event_support.py

@@ -2,7 +2,7 @@
 
 import threading
 from collections import defaultdict
-from typing import TYPE_CHECKING, Dict, List
+from typing import TYPE_CHECKING
 
 from openfeature.event import (
     EventDetails,
@@ -17,10 +17,10 @@
 
 
 _global_lock = threading.RLock()
-_global_handlers: Dict[ProviderEvent, List[EventHandler]] = defaultdict(list)
+_global_handlers: dict[ProviderEvent, list[EventHandler]] = defaultdict(list)
 
 _client_lock = threading.RLock()
-_client_handlers: Dict[OpenFeatureClient, Dict[ProviderEvent, List[EventHandler]]] = (
+_client_handlers: dict[OpenFeatureClient, dict[ProviderEvent, list[EventHandler]]] = (
     defaultdict(lambda: defaultdict(list))
 )
 

openfeature/api.py

@@ -40,7 +40,7 @@
     NoOpTransactionContextPropagator()
 )
 
-_hooks: typing.List[Hook] = []
+_hooks: list[Hook] = []
 
 
 def get_client(
@@ -96,7 +96,7 @@ def set_transaction_context(evaluation_context: EvaluationContext) -> None:
     )
 
 
-def add_hooks(hooks: typing.List[Hook]) -> None:
+def add_hooks(hooks: list[Hook]) -> None:
     global _hooks
     _hooks = _hooks + hooks
 
@@ -106,7 +106,7 @@ def clear_hooks() -> None:
     _hooks = []
 
 
-def get_hooks() -> typing.List[Hook]:
+def get_hooks() -> list[Hook]:
     return _hooks
 
 

openfeature/client.py

@@ -77,14 +77,14 @@
         typing.Awaitable[FlagResolutionDetails[typing.Union[dict, list]]],
     ],
 ]
-TypeMap = typing.Dict[
+TypeMap = dict[
     FlagType,
     typing.Union[
-        typing.Type[bool],
-        typing.Type[int],
-        typing.Type[float],
-        typing.Type[str],
-        typing.Tuple[typing.Type[dict], typing.Type[list]],
+        type[bool],
+        type[int],
+        type[float],
+        type[str],
+        tuple[type[dict], type[list]],
     ],
 ]
 
@@ -101,7 +101,7 @@ def __init__(
         domain: typing.Optional[str],
         version: typing.Optional[str],
         context: typing.Optional[EvaluationContext] = None,
-        hooks: typing.Optional[typing.List[Hook]] = None,
+        hooks: typing.Optional[list[Hook]] = None,
     ) -> None:
         self.domain = domain
         self.version = version
@@ -118,7 +118,7 @@ def get_provider_status(self) -> ProviderStatus:
     def get_metadata(self) -> ClientMetadata:
         return ClientMetadata(domain=self.domain)
 
-    def add_hooks(self, hooks: typing.List[Hook]) -> None:
+    def add_hooks(self, hooks: list[Hook]) -> None:
         self.hooks = self.hooks + hooks
 
     def get_boolean_value(
@@ -423,12 +423,12 @@ def _establish_hooks_and_provider(
         default_value: typing.Any,
         evaluation_context: typing.Optional[EvaluationContext],
         flag_evaluation_options: typing.Optional[FlagEvaluationOptions],
-    ) -> typing.Tuple[
+    ) -> tuple[
         FeatureProvider,
         HookContext,
         HookHints,
-        typing.List[Hook],
-        typing.List[Hook],
+        list[Hook],
+        list[Hook],
     ]:
         if evaluation_context is None:
             evaluation_context = EvaluationContext()
@@ -477,7 +477,7 @@ def _before_hooks_and_merge_context(
         self,
         flag_type: FlagType,
         hook_context: HookContext,
-        merged_hooks: typing.List[Hook],
+        merged_hooks: list[Hook],
         hook_hints: HookHints,
         evaluation_context: typing.Optional[EvaluationContext],
     ) -> EvaluationContext:

openfeature/event.py

@@ -2,7 +2,7 @@
 
 from dataclasses import dataclass, field
 from enum import Enum
-from typing import Callable, Dict, List, Optional, Union
+from typing import Callable, Optional, Union
 
 from openfeature.exception import ErrorCode
 
@@ -18,19 +18,19 @@ class ProviderEvent(Enum):
 
 @dataclass
 class ProviderEventDetails:
-    flags_changed: Optional[List[str]] = None
+    flags_changed: Optional[list[str]] = None
     message: Optional[str] = None
     error_code: Optional[ErrorCode] = None
-    metadata: Dict[str, Union[bool, str, int, float]] = field(default_factory=dict)
+    metadata: dict[str, Union[bool, str, int, float]] = field(default_factory=dict)
 
 
 @dataclass
 class EventDetails(ProviderEventDetails):
     provider_name: str = ""
-    flags_changed: Optional[List[str]] = None
+    flags_changed: Optional[list[str]] = None
     message: Optional[str] = None
     error_code: Optional[ErrorCode] = None
-    metadata: Dict[str, Union[bool, str, int, float]] = field(default_factory=dict)
+    metadata: dict[str, Union[bool, str, int, float]] = field(default_factory=dict)
 
     @classmethod
     def from_provider_event_details(

openfeature/flag_evaluation.py

@@ -58,7 +58,7 @@ class FlagEvaluationDetails(typing.Generic[T_co]):
 
 @dataclass
 class FlagEvaluationOptions:
-    hooks: typing.List[Hook] = field(default_factory=list)
+    hooks: list[Hook] = field(default_factory=list)
     hook_hints: HookHints = field(default_factory=dict)
 
 

openfeature/hook/__init__.py

@@ -60,8 +60,8 @@ def __setattr__(self, key: str, value: typing.Any) -> None:
         float,
         str,
         datetime,
-        typing.List[typing.Any],
-        typing.Dict[str, typing.Any],
+        list[typing.Any],
+        dict[str, typing.Any],
     ],
 ]