Drop support for Python < 3.6

.github/workflows/ci.yml

@@ -29,32 +29,44 @@ on:
       - ".editorconfig"
 
 jobs:
+  pre-commit:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v2
+      - uses: actions/setup-python@v2
+      - uses: pre-commit/action@v2.0.3
   test:
     name: ${{matrix.os}} / ${{ matrix.python-version }}
     runs-on: ${{ matrix.os }}-latest
     strategy:
       fail-fast: false
       matrix:
-        python-version: [2.7, 3.5, 3.6, 3.7, 3.8]
-        os: [MacOS, Ubuntu, Windows]
+        python-version: [3.6, 3.7, 3.8, 3.9, "3.10"]
+        os: [macos, ubuntu, windows]
 
     steps:
-      - uses: actions/checkout@v1
+      - uses: actions/checkout@v2
 
       - name: Set up Python ${{ matrix.python-version }}
-        uses: actions/setup-python@v1
+        uses: actions/setup-python@v2
         with:
           python-version: ${{ matrix.python-version }}
 
-      - name: Get python path
-        id: python-path
+      - name: Get pip cache dir
+        id: pip-cache
         run: |
-          echo ::set-output name=path::$(python -c "import sys; print(sys.executable)")
+          echo "::set-output name=dir::$(pip cache dir)"
 
-      - name: Install latest pip, setuptools, wheel
-        run: |
-          python -m pip install --upgrade coveralls pip setuptools wheel --upgrade-strategy=eager
-          python -m pip install --upgrade --pre pipenv
+      - name: pip cache
+        uses: actions/cache@v2
+        with:
+          path: ${{ steps.pip-cache.outputs.dir }}
+          key: ${{ runner.os }}-pip-${{ hashFiles('setup.cfg') }}
+          restore-keys: |
+            ${{ runner.os }}-pip-
+
+      - name: Install Dev Dependencies
+        run: python -m pip install --upgrade .[dev]
 
       - name: Run tests
         env:
@@ -67,12 +79,8 @@ jobs:
           COVERALLS_SERVICE_NAME: github
           COVERALLS_SERVICE_JOB_ID: ${{ github.run_id }}
           COVERALLS_PARALLEL: true
-          PIPENV_NOSPIN: "1"
           CI: "1"
         run: |
           git submodule sync
           git submodule update --init --recursive
-          python -m pipenv install --dev --python=${{ steps.python-path.outputs.path }}
-          pipenv run coverage run -p -m pytest -ra tests/
-          pipenv run coverage combine
-          coveralls
+          nox -s coverage

.github/workflows/pypi_upload.yml

@@ -4,7 +4,7 @@ on:
   push:
     # Sequence of patterns matched against refs/tags
     tags:
-      - v?[0-9]+.[0-9]+.[0-9]+  # add .* to allow dev releases
+      - v?[0-9]+.[0-9]+.[0-9]+ # add .* to allow dev releases
 
 jobs:
   build:
@@ -14,50 +14,49 @@ jobs:
       CI: "1"
 
     steps:
-    - name: Checkout code
-      uses: actions/checkout@v1
+      - name: Checkout code
+        uses: actions/checkout@v2
 
-    - uses: webfactory/ssh-agent@v0.1.1
-      with:
-        ssh-private-key: ${{ secrets.SSH_PRIVATE_KEY }}
+      - name: Create Release
+        id: create_release
+        uses: actions/create-release@v1.0.0
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+        with:
+          tag_name: ${{ github.ref }}
+          release_name: Release ${{ github.ref }}
+          draft: false
+          prerelease: false
 
-    - name: Create Release
-      id: create_release
-      uses: actions/create-release@v1.0.0
-      env:
-        GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
-      with:
-        tag_name: ${{ github.ref }}
-        release_name: Release ${{ github.ref }}
-        draft: false
-        prerelease: false
+      - name: Set up Python 3.9
+        uses: actions/setup-python@v2
+        with:
+          python-version: 3.9
 
-    - name: Set up Python 3.7
-      uses: actions/setup-python@v1
-      with:
-        python-version: 3.7
+      - name: Install nox
+        run: |
+          python -m pip install --upgrade .[dev]
+      - name: Build wheels
+        run: |
+          nox -s package
+      # to upload to test pypi, pass repository_url: https://test.pypi.org/legacy/ and use secrets.TEST_PYPI_TOKEN
+      - name: Publish a Python distribution to PyPI
+        uses: pypa/gh-action-pypi-publish@master
+        with:
+          user: __token__
+          password: ${{ secrets.PYPI_TOKEN }}
+          packages_dir: dist/
+      # git push https://${{ github.actor }}:${{ secrets.GITHUB_TOKEN }}@github.com/${{ github.repository }}.git HEAD:master
+      # we need to use a deploy key for this to get around branch protection as the default token fails
+      - name: Pre-bump
+        run: |
+          git config --local user.name 'Github Action'
+          git config --local user.email action@github.com
+          nox -s bump_version
+          git commit -am 'pre-bump'
 
-    - name: Install latest tools for build
-      run: |
-        python -m pip install --upgrade pip setuptools wheel pipenv invoke
-        python -m pipenv install --dev --pre
-        python -m pipenv run pip install invoke
-    - name: Build wheels
-      run: |
-        python -m pipenv run inv build
-    # to upload to test pypi, pass repository_url: https://test.pypi.org/legacy/ and use secrets.TEST_PYPI_TOKEN
-    - name: Publish a Python distribution to PyPI
-      uses: pypa/gh-action-pypi-publish@master
-      with:
-        user: __token__
-        password: ${{ secrets.PYPI_TOKEN }}
-        packages_dir: dist/
-    # git push https://${{ github.actor }}:${{ secrets.GITHUB_TOKEN }}@github.com/${{ github.repository }}.git HEAD:master
-    # we need to use a deploy key for this to get around branch protection as the default token fails
-    - name: Pre-bump
-      run: |
-        git config --local user.name 'Github Action'
-        git config --local user.email action@github.com
-        python -m pipenv run inv bump-version -t dev
-        git commit -am 'pre-bump'
-        git push git@github.com:${{ github.repository }}.git HEAD:master
+      - name: Push changes
+        uses: ad-m/github-push-action@master
+        with:
+          github_token: ${{ secrets.GITHUB_TOKEN }}
+          branch: main

.pre-commit-config.yaml

@@ -1,27 +1,23 @@
 repos:
   - repo: https://github.com/psf/black
-    rev: 19.10b0
+    rev: 21.8b0
     hooks:
       - id: black
-        language_version: python3.6
-  #- repo: https://github.com/pre-commit/pre-commit-hooks
-    #rev: v2.0.0
-    #hooks:
-      #- id: flake8
 
-  - repo: https://github.com/asottile/seed-isort-config
-    rev: v2.1.1
+  - repo: https://github.com/PyCQA/flake8
+    rev: 3.9.2
     hooks:
-      - id: seed-isort-config
-        args: [
-          --application-directories=src/requirementslib,
-          --settings-path=./,
-        ]
+      - id: flake8
+        additional_dependencies:
+          - flake8-bugbear
 
-  - repo: https://github.com/timothycrosley/isort
-    rev: 4.3.21
+  - repo: https://github.com/PyCQA/isort
+    rev: 5.9.3
     hooks:
       - id: isort
+        args:
+          - --settings-file
+          - pyproject.toml
 
   - repo: https://github.com/myint/docformatter
     rev: v1.3.1

LICENSE

@@ -1,6 +1,6 @@
 The MIT License (MIT)
 
-Copyright 2019 Dan Ryan.
+Copyright 2019-2021 Dan Ryan and Frost Ming.
 
 Permission is hereby granted, free of charge, to any person obtaining a copy
 of this software and associated documentation files (the "Software"), to deal