Add support for Python 3.10

.github/workflows/tests.yml

@@ -17,8 +17,16 @@ jobs:
     # job.
     strategy:
       matrix:
-        python-version: [3.6, 3.7, 3.8, 3.9]
-        os: [ubuntu-latest, macos-latest, windows-latest]        
+        python-version: [3.6, 3.7, 3.8, 3.9, 3.10.0-beta.4]
+        os: [ubuntu-latest, macos-latest, windows-latest]
+        loop: [asyncio, uvloop]
+        exclude:
+          # uvloop does not support Python 3.6
+          - loop: uvloop
+            python-version: 3.6
+          # uvloop does not support windows
+          - loop: uvloop
+            os: windows-latest
 
     runs-on: ${{ matrix.os }}
 
@@ -27,23 +35,23 @@ jobs:
         shell: bash
 
     steps:
-    - uses: actions/checkout@v1
+    - uses: actions/checkout@v2
       with:
         fetch-depth: 50
         submodules: true
 
     - name: Check if release PR.
       uses: edgedb/action-release/validate-pr@master
-      continue-on-error: true
       id: release
       with:
         github_token: ${{ secrets.RELEASE_BOT_GITHUB_TOKEN }}
+        missing_version_ok: yes
         version_file: asyncpg/_version.py
         version_line_pattern: |
           __version__\s*=\s*(?:['"])([[:PEP440:]])(?:['"])
 
     - name: Set up Python ${{ matrix.python-version }}
-      uses: actions/setup-python@v1
+      uses: actions/setup-python@v2
       if: steps.release.outputs.version == 0
       with:
         python-version: ${{ matrix.python-version }}
@@ -56,28 +64,29 @@ jobs:
     - name: Install Python Deps
       if: steps.release.outputs.version == 0
       run: |
-        python -m pip install -U pip setuptools
-        pip install -e .[test]
+        python -m pip install -U pip setuptools wheel
+        python -m pip install -e .[test]
 
     - name: Test
       if: steps.release.outputs.version == 0
+      env:
+        LOOP_IMPL: ${{ matrix.loop }}
       run: |
-        python setup.py test
-
-    - name: Test under uvloop
-      if: steps.release.outputs.version == 0 && matrix.os != 'windows-latest' && matrix.python-version != '3.9'
-      run: |
-        env USE_UVLOOP=1 python setup.py test
+        if [ "${LOOP_IMPL}" = "uvloop" ]; then
+          env USE_UVLOOP=1 python setup.py test
+        else
+          python setup.py test
+        fi
 
   test-postgres:
     strategy:
       matrix:
         postgres-version: [9.5, 9.6, 10, 11, 12, 13]
 
-    runs-on: ubuntu-20.04
+    runs-on: ubuntu-latest
 
     steps:
-    - uses: actions/checkout@v1
+    - uses: actions/checkout@v2
       with:
         fetch-depth: 50
         submodules: true
@@ -104,7 +113,7 @@ jobs:
           >> "${GITHUB_ENV}"
 
     - name: Set up Python ${{ matrix.python-version }}
-      uses: actions/setup-python@v1
+      uses: actions/setup-python@v2
       if: steps.release.outputs.version == 0
       with:
         python-version: ${{ matrix.python-version }}
@@ -127,7 +136,7 @@ jobs:
   regression-tests:
     name: "Regression Tests"
     needs: [test-platforms, test-postgres]
-    runs-on: ubuntu-20.04
+    runs-on: ubuntu-latest
 
     steps:
       - run: echo OK

setup.py

@@ -34,7 +34,7 @@
     # (example breakage: https://gitlab.com/pycqa/flake8/issues/427)
     'pycodestyle~=2.5.0',
     'flake8~=3.7.9',
-    'uvloop~=0.14.0;platform_system!="Windows"',
+    'uvloop>=0.15.3; platform_system != "Windows" and python_version >= "3.7"',
 ]
 
 # Dependencies required to build documentation.
@@ -263,6 +263,7 @@ def finalize_options(self):
         'Programming Language :: Python :: 3.7',
         'Programming Language :: Python :: 3.8',
         'Programming Language :: Python :: 3.9',
+        'Programming Language :: Python :: 3.10',
         'Programming Language :: Python :: Implementation :: CPython',
         'Topic :: Database :: Front-Ends',
     ],