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From 47478e942992aaaa26c2defc3294cac45ede2cfe Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Micha=C5=82=20G=C3=B3rny?= <mgorny@gentoo.org>
Date: Mon, 27 Jul 2020 07:13:19 +0200
Subject: [PATCH] Require typing_extensions for py<3.8 only
All the names imported from typing_extensions are available already
in Python 3.8, so there is no need to use the additional dependency
there. Furthermore, typing_extensions currently do not support
Python 3.9, effectively blocking yarl from doing so. To solve this,
use external typing_extensions only for py<3.8, and just use builtin
typing in 3.8+.
---
requirements/test.txt | 2 +-
setup.py | 3 ++-
yarl/__init__.pyi | 7 ++++++-
3 files changed, 9 insertions(+), 3 deletions(-)
diff --git a/setup.py b/setup.py
index 41d684d..1ed5bfe 100644
--- a/setup.py
+++ b/setup.py
@@ -30,7 +30,8 @@ with fname.open(encoding="utf8") as fp:
except IndexError:
raise RuntimeError("Unable to determine version.")
-install_requires = ["multidict>=4.0", "idna>=2.0", "typing_extensions>=3.7.4"]
+install_requires = ["multidict>=4.0", "idna>=2.0",
+ "typing_extensions>=3.7.4;python_version<\"3.8\""]
def read(name):
diff --git a/yarl/__init__.pyi b/yarl/__init__.pyi
index b3b58ec..eb4a12f 100644
--- a/yarl/__init__.pyi
+++ b/yarl/__init__.pyi
@@ -1,7 +1,12 @@
from typing import overload, Any, Tuple, Optional, Mapping, Union, Sequence, Type
-from typing_extensions import TypedDict, Final, final
import multidict
from functools import _CacheInfo
+import sys
+
+if sys.hexversion >= 0x03080000:
+ from typing import TypedDict, Final, final
+else:
+ from typing_extensions import TypedDict, Final, final
_QueryVariable = Union[str, int]
_Query = Union[
--
2.27.0
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