chore: drop python 3.6 (#400)

Author: mayeut

.github/workflows/test.yml

@@ -16,7 +16,7 @@ jobs:
       - uses: actions/checkout@v3
       - uses: actions/setup-python@v4
         with:
-          python-version: 3.6
+          python-version: "3.7"
       - uses: pre-commit/[email protected]
 
   test-dist:
@@ -42,7 +42,6 @@ jobs:
       fail-fast: false
       matrix:
         include:
-          - python: "3.6"
           - python: "3.7"
           - python: "3.8"
           - python: "3.9"

.pre-commit-config.yaml

@@ -2,13 +2,13 @@
 # See https://pre-commit.com/hooks.html for more hooks
 
 default_language_version:
-  python: python3.6
+  python: python3.7
 
 exclude: ^src/auditwheel/_vendor/
 
 repos:
 - repo: https://github.com/pre-commit/pre-commit-hooks
-  rev: v4.1.0
+  rev: v4.3.0
   hooks:
   - id: check-builtin-literals
   - id: check-added-large-files
@@ -23,28 +23,30 @@ repos:
   - id: trailing-whitespace
 
 - repo: https://github.com/asottile/pyupgrade
-  rev: v2.30.1
+  rev: v3.1.0
   hooks:
   - id: pyupgrade
-    args: ["--py36-plus"]
+    args: ["--py37-plus"]
 
 - repo: https://github.com/psf/black
-  rev: 22.8.0
+  rev: 22.10.0
   hooks:
   - id: black
 
 - repo: https://github.com/PyCQA/isort
   rev: 5.10.1
   hooks:
   - id: isort
+    args: ["-a", "from __future__ import annotations"]
+    exclude: ^tests/integration/.*/src/.*pyx$
 
 - repo: https://github.com/PyCQA/flake8
   rev: 5.0.4
   hooks:
   - id: flake8
 
 - repo: https://github.com/pre-commit/mirrors-mypy
-  rev: v0.931
+  rev: v0.982
   hooks:
   - id: mypy
     exclude: ^tests/integration/.*/.*$

README.rst

@@ -40,7 +40,7 @@ advised that bundling, like static linking, may implicate copyright concerns.
 Requirements
 ------------
 - OS: Linux
-- Python: 3.6+
+- Python: 3.7+
 - `patchelf <https://github.com/NixOS/patchelf>`_: 0.14+
 
 Only systems that use `ELF
@@ -135,7 +135,7 @@ daemon. These tests will pull a number of docker images if they are not already
 available on your system, but it won't update existing images.
 To update these images manually, run::
 
-    docker pull python:3.6-slim
+    docker pull python:3.7-slim
     docker pull quay.io/pypa/manylinux1_x86_64
     docker pull quay.io/pypa/manylinux2010_x86_64
     docker pull quay.io/pypa/manylinux2014_x86_64

noxfile.py

@@ -1,17 +1,18 @@
+from __future__ import annotations
+
 import os
 import sys
 from pathlib import Path
-from typing import List
 
 import nox
 
 nox.options.sessions = ["lint", "test-dist"]
 
-PYTHON_ALL_VERSIONS = ["3.6", "3.7", "3.8", "3.9", "3.10"]
+PYTHON_ALL_VERSIONS = ["3.7", "3.8", "3.9", "3.10"]
 RUNNING_CI = "TRAVIS" in os.environ or "GITHUB_ACTIONS" in os.environ
 
 
-@nox.session(python=["3.6"], reuse_venv=True)
+@nox.session(python=["3.7"], reuse_venv=True)
 def lint(session: nox.Session) -> None:
     """
     Run linters on the codebase.
@@ -36,7 +37,7 @@ def coverage(session: nox.Session) -> None:
     )
 
 
-def _docker_images(session: nox.Session) -> List[str]:
+def _docker_images(session: nox.Session) -> list[str]:
     tmp_dir = Path(session.create_tmp())
     script = tmp_dir / "list_images.py"
     images_file = tmp_dir / "images.lst"

pyproject.toml

@@ -6,7 +6,7 @@ build-backend = "setuptools.build_meta"
 # enable version inference
 
 [tool.black]
-target-version = ["py36", "py37", "py38", "py39"]
+target-version = ["py37", "py38", "py39", "py310"]
 extend-exclude = "src/auditwheel/_vendor"
 
 [tool.isort]

scripts/calculate_symbol_versions.py

@@ -3,6 +3,8 @@
 defined version (.gnu.version_d) from libraries in lib_whitelist.
 This should be run inside a manylinux Docker container.
 """
+from __future__ import annotations
+
 import argparse
 import json
 import os

setup.cfg

@@ -14,7 +14,6 @@ classifier =
         License :: OSI Approved :: MIT License
         Operating System :: POSIX :: Linux
         Programming Language :: Python :: 3
-        Programming Language :: Python :: 3.6
         Programming Language :: Python :: 3.7
         Programming Language :: Python :: 3.8
         Programming Language :: Python :: 3.9
@@ -32,7 +31,7 @@ install_requires =
 packages = find:
 package_dir =
     =src
-python_requires = >=3.6
+python_requires = >=3.7
 zip_safe = False
 
 [options.package_data]

setup.py

@@ -1,3 +1,5 @@
+from __future__ import annotations
+
 from setuptools import setup
 
 extras = {

src/auditwheel/__main__.py

@@ -1,3 +1,5 @@
+from __future__ import annotations
+
 import sys
 
 from .main import main

src/auditwheel/condatools.py

@@ -1,8 +1,9 @@
 """Context managers like those in wheeltools.py for unpacking
 conda packages.
 """
+from __future__ import annotations
+
 import os
-from typing import List, Optional
 
 from .tmpdirs import InTemporaryDirectory
 from .tools import tarbz2todir
@@ -22,13 +23,13 @@ def __enter__(self) -> str:
 class InCondaPkgCtx(InCondaPkg):
     def __init__(self, in_conda_pkg: str) -> None:
         super().__init__(in_conda_pkg)
-        self.path: Optional[str] = None
+        self.path: str | None = None
 
     def __enter__(self):
         self.path = super().__enter__()
         return self
 
-    def iter_files(self) -> List[str]:
+    def iter_files(self) -> list[str]:
         if self.path is None:
             raise ValueError("This function should be called from context manager")
         files = os.path.join(self.path, "info", "files")