Upgrade for python 3.8 removal

Author: ahopkins

sanic_ext/bootstrap.py

@@ -3,7 +3,8 @@
 import os
 
 from types import SimpleNamespace
-from typing import Any, Callable, Dict, List, Mapping, Optional, Type, Union
+from typing import Any, Callable, Dict, List, Optional, Type, Union
+from collections.abc import Mapping
 from warnings import warn
 
 from sanic import Sanic, __version__
@@ -42,7 +43,7 @@
 
 
 class Extend:
-    _pre_registry: List[Union[Type[Extension], Extension]] = []
+    _pre_registry: list[Union[type[Extension], Extension]] = []
 
     if TEMPLATING_ENABLED:
         environment: Environment
@@ -52,9 +53,9 @@ def __init__(
         self,
         app: Sanic,
         *,
-        extensions: Optional[List[Union[Type[Extension], Extension]]] = None,
+        extensions: Optional[list[Union[type[Extension], Extension]]] = None,
         built_in_extensions: bool = True,
-        config: Optional[Union[Config, Dict[str, Any]]] = None,
+        config: Optional[Union[Config, dict[str, Any]]] = None,
         **kwargs,
     ) -> None:
         """
@@ -81,7 +82,7 @@ def __init__(
         self._constant_registry: Optional[ConstantRegistry] = None
         self._openapi: Optional[SpecificationBuilder] = None
         self.app = app
-        self.extensions: List[Extension] = []
+        self.extensions: list[Extension] = []
         self.sanic_version = sanic_version
         app._ext = self
         app.ctx._dependencies = SimpleNamespace()
@@ -128,7 +129,7 @@ def _display(self):
 
     def injection(
         self,
-        type: Type,
+        type: type,
         constructor: Optional[Callable[..., Any]] = None,
     ) -> None:
         warn(
@@ -140,7 +141,7 @@ def injection(
 
     def add_dependency(
         self,
-        type: Type,
+        type: type,
         constructor: Optional[Callable[..., Any]] = None,
         request_arg: Optional[str] = None,
     ) -> None:
@@ -215,7 +216,7 @@ def template(self, template_name: str, **kwargs):
         return self.templating.template(template_name, **kwargs)
 
     @classmethod
-    def register(cls, extension: Union[Type[Extension], Extension]) -> None:
+    def register(cls, extension: Union[type[Extension], Extension]) -> None:
         cls._pre_registry.append(extension)
 
     @classmethod

sanic_ext/config.py

@@ -2,7 +2,8 @@
 
 import os
 
-from typing import Any, Dict, List, Optional, Sequence, Union
+from typing import Any, Dict, List, Optional, Union
+from collections.abc import Sequence
 
 from sanic import Sanic
 from sanic.config import Config as SanicConfig
@@ -23,7 +24,7 @@ def __init__(
         cors_expose_headers: str = "",
         cors_max_age: int = 5,
         cors_methods: str = "",
-        cors_origins: Union[str, List[str]] = "",
+        cors_origins: Union[str, list[str]] = "",
         cors_send_wildcard: bool = False,
         cors_supports_credentials: bool = False,
         cors_vary_header: bool = True,
@@ -44,7 +45,7 @@ def __init__(
         injection_load_custom_constants: bool = False,
         logging: bool = False,
         logging_queue_max_size: int = 4096,
-        loggers: List[str] = [
+        loggers: list[str] = [
             "sanic.access",
             "sanic.error",
             "sanic.root",
@@ -72,7 +73,7 @@ def __init__(
         oas_uri_to_redoc: str = "/redoc",
         oas_uri_to_swagger: str = "/swagger",
         oas_url_prefix: str = "/docs",
-        swagger_ui_configuration: Optional[Dict[str, Any]] = None,
+        swagger_ui_configuration: Optional[dict[str, Any]] = None,
         templating_path_to_templates: Union[
             str, os.PathLike, Sequence[Union[str, os.PathLike]]
         ] = "templates",

sanic_ext/extensions/base.py

@@ -18,7 +18,7 @@ def __setitem__(self, key: Any, value: Any) -> None:
 
 
 class Extension(ABC):
-    _name_registry: Dict[str, Type[Extension]] = NoDuplicateDict()
+    _name_registry: dict[str, type[Extension]] = NoDuplicateDict()
     _started: bool
     name: str
     app: Sanic
@@ -65,7 +65,7 @@ def included(self):
     @classmethod
     def create(
         cls,
-        extension: Union[Type[Extension], Extension],
+        extension: Union[type[Extension], Extension],
         app: Sanic,
         config: Config,
     ) -> Extension:

sanic_ext/extensions/http/cors.py

@@ -27,12 +27,12 @@
 
 @dataclass(frozen=True)
 class CORSSettings:
-    allow_headers: FrozenSet[str]
-    allow_methods: FrozenSet[str]
-    allow_origins: Tuple[re.Pattern, ...]
+    allow_headers: frozenset[str]
+    allow_methods: frozenset[str]
+    allow_origins: tuple[re.Pattern, ...]
     always_send: bool
     automatic_options: bool
-    expose_headers: FrozenSet[str]
+    expose_headers: frozenset[str]
     max_age: str
     send_wildcard: bool
     supports_credentials: bool
@@ -86,9 +86,9 @@ async def _assign_cors_settings(app, _):
 def cors(
     *,
     origin: Union[str, Default] = _default,
-    expose_headers: Union[List[str], Default] = _default,
-    allow_headers: Union[List[str], Default] = _default,
-    allow_methods: Union[List[str], Default] = _default,
+    expose_headers: Union[list[str], Default] = _default,
+    allow_headers: Union[list[str], Default] = _default,
+    allow_methods: Union[list[str], Default] = _default,
     supports_credentials: Union[bool, Default] = _default,
     max_age: Union[str, int, timedelta, Default] = _default,
 ):
@@ -227,10 +227,10 @@ def _add_credentials_header(request: Request, response: HTTPResponse) -> None:
 
 def _add_allow_header(request: Request, response: HTTPResponse) -> None:
     with_credentials = _is_request_with_credentials(request)
-    request_headers = set(
+    request_headers = {
         h.strip().lower()
         for h in request.headers.get(REQUEST_HEADERS_HEADER, "").split(",")
-    )
+    }
     allow_headers = _get_from_cors_ctx(
         request, "_cors_allow_headers", request.app.ctx.cors.allow_headers
     )
@@ -297,16 +297,16 @@ def _add_vary_header(request: Request, response: HTTPResponse) -> None:
         response.headers[VARY_HEADER] = "origin"
 
 
-def _get_allow_origins(app: Sanic) -> Tuple[re.Pattern, ...]:
+def _get_allow_origins(app: Sanic) -> tuple[re.Pattern, ...]:
     origins = app.config.CORS_ORIGINS
     return _parse_allow_origins(origins)
 
 
 def _parse_allow_origins(
-    value: Union[str, re.Pattern, List[Union[str, re.Pattern]]],
-) -> Tuple[re.Pattern, ...]:
+    value: Union[str, re.Pattern, list[Union[str, re.Pattern]]],
+) -> tuple[re.Pattern, ...]:
     origins: Optional[
-        Union[List[str], List[re.Pattern], List[Union[str, re.Pattern]]]
+        Union[list[str], list[re.Pattern], list[Union[str, re.Pattern]]]
     ] = None
     if value and isinstance(value, str):
         if value == "*":
@@ -326,7 +326,7 @@ def _parse_allow_origins(
     )
 
 
-def _get_expose_headers(app: Sanic) -> FrozenSet[str]:
+def _get_expose_headers(app: Sanic) -> frozenset[str]:
     expose_headers = (
         (
             app.config.CORS_EXPOSE_HEADERS
@@ -341,11 +341,11 @@ def _get_expose_headers(app: Sanic) -> FrozenSet[str]:
     return frozenset(header.lower() for header in expose_headers)
 
 
-def _get_allow_headers(app: Sanic) -> FrozenSet[str]:
+def _get_allow_headers(app: Sanic) -> frozenset[str]:
     return _parse_allow_headers(app.config.CORS_ALLOW_HEADERS)
 
 
-def _parse_allow_headers(value: str) -> FrozenSet[str]:
+def _parse_allow_headers(value: str) -> frozenset[str]:
     allow_headers = (
         (
             value
@@ -372,11 +372,11 @@ def _parse_max_age(value) -> str:
     return str(max_age)
 
 
-def _get_allow_methods(app: Sanic) -> FrozenSet[str]:
+def _get_allow_methods(app: Sanic) -> frozenset[str]:
     return _parse_allow_methods(app.config.CORS_METHODS)
 
 
-def _parse_allow_methods(value) -> FrozenSet[str]:
+def _parse_allow_methods(value) -> frozenset[str]:
     allow_methods = (
         (
             value

sanic_ext/extensions/http/methods.py

@@ -1,7 +1,8 @@
 from functools import partial
 from inspect import isawaitable
 from operator import itemgetter
-from typing import Sequence, Union
+from typing import Union
+from collections.abc import Sequence
 
 from sanic import Sanic
 from sanic.constants import HTTPMethod

sanic_ext/extensions/injection/constructor.py

@@ -39,8 +39,8 @@ def __init__(
         self, func: Callable[..., Any], request_arg: Optional[str] = None
     ):
         self.func = func
-        self.injections: Dict[str, Tuple[Type, Constructor]] = {}
-        self.constants: Dict[str, Any] = {}
+        self.injections: dict[str, tuple[type, Constructor]] = {}
+        self.constants: dict[str, Any] = {}
         self.pass_kwargs: bool = False
         self.request_arg = request_arg
 
@@ -77,7 +77,7 @@ def prepare(
         app: Sanic,
         injection_registry: InjectionRegistry,
         constant_registry: ConstantRegistry,
-        allowed_types: Set[Type[object]],
+        allowed_types: set[type[object]],
     ) -> None:
         hints = self._get_hints()
         hints.pop("return", None)
@@ -118,25 +118,25 @@ def prepare(
                 "html#injecting-services for more details."
             )
 
-        checked: Set[Type[object]] = set()
-        current: Set[Type[object]] = set()
+        checked: set[type[object]] = set()
+        current: set[type[object]] = set()
         self.check_circular(checked, current)
 
     def check_circular(
         self,
-        checked: Set[Type[object]],
-        current: Set[Type[object]],
+        checked: set[type[object]],
+        current: set[type[object]],
     ) -> None:
         dependencies = set(self.injections.values())
         for dependency, constructor in dependencies:
             self._visit(dependency, constructor, checked, current)
 
     def _visit(
         self,
-        dependency: Type[object],
+        dependency: type[object],
         constructor: Constructor,
-        checked: Set[Type[object]],
-        current: Set[Type[object]],
+        checked: set[type[object]],
+        current: set[type[object]],
     ):
         if dependency in checked:
             return
@@ -167,7 +167,7 @@ def _get_hints(self):
         raise InitError(f"Cannot get type hints for {self.func}")
 
 
-async def gather_args(injections, request, **kwargs) -> Dict[str, Any]:
+async def gather_args(injections, request, **kwargs) -> dict[str, Any]:
     return {
         name: await do_cast(_type, constructor, request, **kwargs)
         for name, (_type, constructor) in injections.items()

sanic_ext/extensions/injection/injector.py

@@ -24,9 +24,9 @@ def add_injection(
 
     @app.listener("before_server_start", priority=PRIORITY)
     async def finalize_injections(app: Sanic, _):
-        router_converters = set(
+        router_converters = {
             allowed[0] for allowed in app.router.regex_types.values()
-        )
+        }
         router_types = set()
         for converter in router_converters:
             if isclass(converter):
@@ -105,10 +105,10 @@ async def setup_signatures(app, _):
                 except TypeError:
                     continue
 
-                dependencies: Dict[
-                    str, Tuple[Type, Optional[Callable[..., Any]]]
+                dependencies: dict[
+                    str, tuple[type, Optional[Callable[..., Any]]]
                 ] = {}
-                constants: Dict[str, Any] = {}
+                constants: dict[str, Any] = {}
                 for param, annotation in hints.items():
                     if annotation in injection_registry:
                         dependencies[param] = (

sanic_ext/extensions/injection/registry.py

@@ -10,7 +10,7 @@
 
 class InjectionRegistry:
     def __init__(self):
-        self._registry: Dict[Type, Optional[Callable[..., Any]]] = {}
+        self._registry: dict[type, Optional[Callable[..., Any]]] = {}
 
     def __getitem__(self, key):
         return self._registry[key]
@@ -26,7 +26,7 @@ def get(self, key, default=None):
 
     def register(
         self,
-        _type: Type,
+        _type: type,
         constructor: Optional[Callable[..., Any]],
         request_arg: Optional[str] = None,
     ) -> None:
@@ -50,11 +50,11 @@ def length(self):
 
 class SignatureRegistry:
     def __init__(self):
-        self._registry: Dict[
+        self._registry: dict[
             str,
-            Tuple[
-                Dict[str, Tuple[Type, Optional[Callable[..., Any]]]],
-                Dict[str, Any],
+            tuple[
+                dict[str, tuple[type, Optional[Callable[..., Any]]]],
+                dict[str, Any],
             ],
         ] = {}
 
@@ -70,16 +70,16 @@ def get(self, key, default=None):
     def register(
         self,
         route_name: str,
-        dependencies: Dict[str, Tuple[Type, Optional[Callable[..., Any]]]],
-        constants: Optional[Dict[str, Any]] = None,
+        dependencies: dict[str, tuple[type, Optional[Callable[..., Any]]]],
+        constants: Optional[dict[str, Any]] = None,
     ) -> None:
         self._registry[route_name] = (dependencies, constants or {})
 
 
 class ConstantRegistry:
     def __init__(self, config: Config):
         self._config = config
-        self._registry: Set[str] = set()
+        self._registry: set[str] = set()
 
     def __str__(self) -> str:
         return str(self._registry)