Drop support for Python 3.7 (#1879)

Author: chrysle

.github/workflows/ci.yml

@@ -48,13 +48,12 @@ jobs:
           - "3.10"
           - "3.9"
           - "3.8"
-          - "3.7"
         pip-version:
           - "latest"
           - "previous"
         include:
           - os: Ubuntu
-            python-version: 3.7
+            python-version: 3.8
             pip-version: main
     env:
       TOXENV: pip${{ matrix.pip-version }}-coverage
@@ -122,7 +121,7 @@ jobs:
           - MacOS
           - Windows
         python-version:
-          - pypy-3.7
+          - pypy-3.8
         pip-version:
           - latest
     env:
@@ -153,5 +152,4 @@ jobs:
       - name: Decide whether the needed jobs succeeded or failed
         uses: re-actors/alls-green@13b4244b312e8a314951e03958a2f91519a6a3c9
         with:
-          allowed-failures: pypy # FIXME: drop once updated to `pypy-3.8`
           jobs: ${{ toJSON(needs) }}

.github/workflows/cron.yml

@@ -21,7 +21,6 @@ jobs:
           - "3.10"
           - "3.9"
           - "3.8"
-          - "3.7"
         pip-version:
           - main
         include:

.pre-commit-config.yaml

@@ -3,7 +3,7 @@ repos:
     rev: 23.3.0
     hooks:
       - id: black
-        args: [--target-version=py37]
+        args: [--target-version=py38]
   - repo: https://github.com/PyCQA/isort
     rev: 5.12.0
     hooks:
@@ -12,7 +12,7 @@ repos:
     rev: v3.3.1
     hooks:
       - id: pyupgrade
-        args: [--py37-plus]
+        args: [--py38-plus]
   - repo: https://github.com/PyCQA/flake8
     rev: 6.0.0
     hooks:

pyproject.toml

@@ -4,7 +4,7 @@ build-backend = "setuptools.build_meta"
 
 [project]
 # https://peps.python.org/pep-0621/#readme
-requires-python = ">=3.7"
+requires-python = ">=3.8"
 dynamic = ["version"]
 name = "pip-tools"
 description = "pip-tools keeps your pinned dependencies fresh."
@@ -22,7 +22,6 @@ classifiers = [
   "Programming Language :: Python :: 3",
   "Programming Language :: Python :: 3.10",
   "Programming Language :: Python :: 3.11",
-  "Programming Language :: Python :: 3.7",
   "Programming Language :: Python :: 3.8",
   "Programming Language :: Python :: 3.9",
   "Programming Language :: Python :: Implementation :: CPython",