chore: Drop support for Python 3.7

.github/workflows/tests.yml

@@ -20,7 +20,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        python-version: [ '3.7', '3.8', '3.9', '3.10', '3.11' ]
+        python-version: [ '3.8', '3.9', '3.10', '3.11' ]
     steps:
     - uses: actions/checkout@v3
 

.pre-commit-config.yaml

@@ -34,7 +34,7 @@ repos:
   rev: v3.3.1
   hooks:
   - id: pyupgrade
-    args: [ --py37-plus ]
+    args: [ --py38-plus ]
 
 - repo: https://github.com/PyCQA/isort
   rev: 5.12.0

GNUmakefile

@@ -7,7 +7,7 @@ else
 PYENV    ?= pyenv exec python
 endif
 
-PYTHON_VERSION ?= 3.7
+PYTHON_VERSION ?= 3.8
 
 export PATH   := $(VENV_DIR)/bin:$(PATH)
 export PS4    := \e[0m\e[32m==> \e[0m

mypy.ini

@@ -1,5 +1,5 @@
 [mypy]
-python_version = 3.7
+python_version = 3.8
 packages = karapace
 show_error_codes = True
 pretty = True

pyproject.toml

@@ -1,3 +1,3 @@
 [tool.black]
-target-version = ["py37"]
+target-version = ["py38"]
 line-length = 125

setup.py

@@ -57,14 +57,13 @@
     description="Karapace",
     long_description=readme_text,
     url="https://github.com/aiven/karapace/",
-    python_requires=">=3.7",
+    python_requires=">=3.8",
     classifiers=[
         "Development Status :: 5 - Production/Stable",
         "Intended Audience :: Developers",
         "Intended Audience :: Information Technology",
         "Intended Audience :: System Administrators",
         "License :: OSI Approved :: Apache Software License",
-        "Programming Language :: Python :: 3.7",
         "Programming Language :: Python :: 3.8",
         "Programming Language :: Python :: 3.9",
         "Programming Language :: Python :: 3.10",