Test on Python 3.12 and PostgreSQL 16

.github/workflows/release.yml

@@ -50,7 +50,7 @@ jobs:
       PIP_DISABLE_PIP_VERSION_CHECK: 1
 
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
       with:
         fetch-depth: 50
         submodules: true
@@ -76,11 +76,11 @@ jobs:
     outputs:
       include: ${{ steps.set-matrix.outputs.include }}
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - uses: actions/setup-python@v4
         with:
           python-version: "3.x"
-      - run: pip install cibuildwheel==2.13.1
+      - run: pip install cibuildwheel==2.16.2
       - id: set-matrix
         run: |
           MATRIX_INCLUDE=$(
@@ -109,7 +109,7 @@ jobs:
       PIP_DISABLE_PIP_VERSION_CHECK: 1
 
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
       with:
         fetch-depth: 50
         submodules: true
@@ -118,7 +118,7 @@ jobs:
       if: runner.os == 'Linux'
       uses: docker/setup-qemu-action@v2
 
-    - uses: pypa/cibuildwheel@v2.13.1
+    - uses: pypa/cibuildwheel@fff9ec32ed25a9c576750c91e06b410ed0c15db7  # v2.16.2
       with:
         only: ${{ matrix.only }}
       env:
@@ -138,7 +138,7 @@ jobs:
 
     steps:
     - name: Checkout source
-      uses: actions/checkout@v3
+      uses: actions/checkout@v4
       with:
         fetch-depth: 5
         submodules: true
@@ -154,7 +154,7 @@ jobs:
         make htmldocs
 
     - name: Checkout gh-pages
-      uses: actions/checkout@v3
+      uses: actions/checkout@v4
       with:
         fetch-depth: 5
         ref: gh-pages
@@ -180,7 +180,7 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
       with:
         fetch-depth: 5
         submodules: false

.github/workflows/tests.yml

@@ -17,13 +17,16 @@ jobs:
     # job.
     strategy:
       matrix:
-        python-version: ["3.8", "3.9", "3.10", "3.11"]
+        python-version: ["3.8", "3.9", "3.10", "3.11", "3.12"]
         os: [ubuntu-latest, macos-latest, windows-latest]
         loop: [asyncio, uvloop]
         exclude:
           # uvloop does not support windows
           - loop: uvloop
             os: windows-latest
+          # No 3.12 release yet
+          - loop: uvloop
+            python-version: "3.12"
 
     runs-on: ${{ matrix.os }}
 
@@ -35,7 +38,7 @@ jobs:
       PIP_DISABLE_PIP_VERSION_CHECK: 1
 
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
       with:
         fetch-depth: 50
         submodules: true
@@ -76,15 +79,15 @@ jobs:
   test-postgres:
     strategy:
       matrix:
-        postgres-version: ["9.5", "9.6", "10", "11", "12", "13", "14", "15"]
+        postgres-version: ["9.5", "9.6", "10", "11", "12", "13", "14", "15", "16"]
 
     runs-on: ubuntu-latest
 
     env:
       PIP_DISABLE_PIP_VERSION_CHECK: 1
 
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
       with:
         fetch-depth: 50
         submodules: true

README.rst

@@ -14,7 +14,7 @@ framework.  You can read more about asyncpg in an introductory
 `blog post <http://magic.io/blog/asyncpg-1m-rows-from-postgres-to-python/>`_.
 
 asyncpg requires Python 3.8 or later and is supported for PostgreSQL
-versions 9.5 to 15.  Older PostgreSQL versions or other databases implementing
+versions 9.5 to 16.  Older PostgreSQL versions or other databases implementing
 the PostgreSQL protocol *may* work, but are not being actively tested.
 
 

asyncpg/exceptions/__init__.py

@@ -397,6 +397,10 @@ class SQLJsonScalarRequiredError(DataError):
     sqlstate = '2203F'
 
 
+class SQLJsonItemCannotBeCastToTargetTypeError(DataError):
+    sqlstate = '2203G'
+
+
 class IntegrityConstraintViolationError(_base.PostgresError):
     sqlstate = '23000'
 
@@ -1163,6 +1167,7 @@ class IndexCorruptedError(InternalServerError):
     'ReadingExternalRoutineSQLDataNotPermittedError',
     'ReadingSQLDataNotPermittedError', 'ReservedNameError',
     'RestrictViolationError', 'SQLJsonArrayNotFoundError',
+    'SQLJsonItemCannotBeCastToTargetTypeError',
     'SQLJsonMemberNotFoundError', 'SQLJsonNumberNotFoundError',
     'SQLJsonObjectNotFoundError', 'SQLJsonScalarRequiredError',
     'SQLRoutineError', 'SQLStatementNotYetCompleteError',

docs/index.rst

@@ -16,7 +16,7 @@ of PostgreSQL server binary protocol for use with Python's ``asyncio``
 framework.
 
 **asyncpg** requires Python 3.8 or later and is supported for PostgreSQL
-versions 9.5 to 15.  Older PostgreSQL versions or other databases implementing
+versions 9.5 to 16.  Older PostgreSQL versions or other databases implementing
 the PostgreSQL protocol *may* work, but are not being actively tested.
 
 Contents

pyproject.toml

@@ -23,6 +23,7 @@ classifiers = [
     "Programming Language :: Python :: 3.9",
     "Programming Language :: Python :: 3.10",
     "Programming Language :: Python :: 3.11",
+    "Programming Language :: Python :: 3.12",
     "Programming Language :: Python :: Implementation :: CPython",
     "Topic :: Database :: Front-Ends",
 ]
@@ -32,8 +33,8 @@ github = "https://github.com/MagicStack/asyncpg"
 
 [project.optional-dependencies]
 test = [
-    'flake8~=5.0',
-    'uvloop>=0.15.3; platform_system != "Windows"',
+    'flake8~=6.1',
+    'uvloop>=0.15.3; platform_system != "Windows" and python_version < "3.12.0"',
 ]
 docs = [
     'Sphinx~=5.3.0',
@@ -46,7 +47,7 @@ requires = [
     "setuptools>=60",
     "wheel",
 
-    "Cython(>=0.29.24,<0.30.0)"
+    "Cython(>=0.29.24,<3.0.0)"
 ]
 build-backend = "setuptools.build_meta"