From 69ed8b1dac92e33d6a2d18c1b3a3cfad57020d90 Mon Sep 17 00:00:00 2001
From: Pradyun Gedam <pradyunsg@users.noreply.github.com>
Date: Wed, 5 Apr 2023 21:30:10 +0100
Subject: [PATCH] Drop support for Python 3.7

This enables the use of newer Python typing functionality without
compatibility shims.
---
 .github/workflows/ci.yml     |  2 +-
 docs/changelog.rst           |  2 +-
 noxfile.py                   |  2 +-
 pyproject.toml               |  2 +-
 src/pyproject_hooks/_impl.py | 28 +++++++++++++---------------
 5 files changed, 17 insertions(+), 19 deletions(-)

diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 422b44a..1f2e48e 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -25,7 +25,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        python-version: ["3.7", "3.8", "3.9", "3.10", "3.11"]
+        python-version: ["3.8", "3.9", "3.10", "3.11"]
         os: [Ubuntu, macOS, Windows]
 
     steps:
diff --git a/docs/changelog.rst b/docs/changelog.rst
index 7c08eea..0fe02a3 100644
--- a/docs/changelog.rst
+++ b/docs/changelog.rst
@@ -4,7 +4,7 @@ Changelog
 v1.1
 ----
 
-No changes.
+- Drop support for Python 3.7.
 
 v1.0
 ----
diff --git a/noxfile.py b/noxfile.py
index 66ff09f..7bde1e9 100644
--- a/noxfile.py
+++ b/noxfile.py
@@ -6,7 +6,7 @@
 nox.options.reuse_existing_virtualenvs = True
 
 
-@nox.session(python=["3.7", "3.8", "3.9", "3.10", "3.11", "pypy3"])
+@nox.session(python=["3.8", "3.9", "3.10", "3.11", "pypy3"])
 def test(session: nox.Session) -> None:
     session.install("-r", "dev-requirements.txt")
     session.install(".")
diff --git a/pyproject.toml b/pyproject.toml
index 8e58eb3..e88812b 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -8,7 +8,7 @@ authors = [
     {name = "Thomas Kluyver", email = "thomas@kluyver.me.uk"},
 ]
 readme = "README.rst"
-requires-python = ">=3.7"
+requires-python = ">=3.8"
 dependencies = []
 classifiers = [
     "License :: OSI Approved :: MIT License",
diff --git a/src/pyproject_hooks/_impl.py b/src/pyproject_hooks/_impl.py
index 19a5e6e..ed173eb 100644
--- a/src/pyproject_hooks/_impl.py
+++ b/src/pyproject_hooks/_impl.py
@@ -6,24 +6,10 @@
 from os.path import abspath
 from os.path import join as pjoin
 from subprocess import STDOUT, check_call, check_output
-from typing import TYPE_CHECKING, Any, Dict, Iterator, List, Optional
+from typing import Any, Dict, Iterator, List, Optional, Protocol
 
 from ._in_process import _in_proc_script_path
 
-if TYPE_CHECKING:
-    from typing import Protocol
-
-    class SubprocessRunner(Protocol):
-        """A protocol for the subprocess runner."""
-
-        def __call__(
-            self,
-            cmd: List[str],
-            cwd: Optional[str] = None,
-            extra_environ: Optional[Dict[str, str]] = None,
-        ) -> None:
-            ...
-
 
 def write_json(obj: Dict[str, Any], path: str, **kwargs) -> None:
     with open(path, "w", encoding="utf-8") as f:
@@ -71,6 +57,18 @@ def __init__(self, traceback: str) -> None:
         self.traceback = traceback
 
 
+class SubprocessRunner(Protocol):
+    """A protocol for the subprocess runner."""
+
+    def __call__(
+        self,
+        cmd: List[str],
+        cwd: Optional[str] = None,
+        extra_environ: Optional[Dict[str, str]] = None,
+    ) -> None:
+        ...
+
+
 def default_subprocess_runner(
     cmd: List[str],
     cwd: Optional[str] = None,