try testing and building for 3.12

.github/workflows/ci.yml

@@ -70,6 +70,7 @@ jobs:
           - '3.9'
           - '3.10'
           - '3.11'
+          - '3.12-dev'
           - 'pypy3.7'
           - 'pypy3.8'
           - 'pypy3.9'
@@ -301,15 +302,15 @@ jobs:
             platform: linux
           - os: windows
             ls: dir
-            interpreter: 3.7 3.8 3.9 3.10 3.11 pypy3.8 pypy3.9
+            interpreter: 3.7 3.8 3.9 3.10 3.11 3.12 pypy3.8 pypy3.9
           - os: windows
             ls: dir
             target: i686
             python-architecture: x86
-            interpreter: 3.7 3.8 3.9 3.10 3.11
+            interpreter: 3.7 3.8 3.9 3.10 3.11 3.12
           - os: macos
             target: aarch64
-            interpreter: 3.7 3.8 3.9 3.10 3.11
+            interpreter: 3.7 3.8 3.9 3.10 3.11 3.12
           - os: ubuntu
             platform: linux
             target: i686
@@ -323,7 +324,7 @@ jobs:
             platform: linux
             target: armv7
             container: messense/manylinux_2_24-cross:armv7
-            interpreter: 3.7 3.8 3.9 3.10 3.11
+            interpreter: 3.7 3.8 3.9 3.10 3.11 3.12
           # musllinux
           - os: ubuntu
             platform: linux
@@ -337,12 +338,12 @@ jobs:
             platform: linux
             target: ppc64le
             container: messense/manylinux_2_24-cross:ppc64le
-            interpreter: 3.7 3.8 3.9 3.10 3.11
+            interpreter: 3.7 3.8 3.9 3.10 3.11 3.12
           - os: ubuntu
             platform: linux
             target: s390x
             container: messense/manylinux_2_24-cross:s390x
-            interpreter: 3.7 3.8 3.9 3.10 3.11
+            interpreter: 3.7 3.8 3.9 3.10 3.11 3.12
         exclude:
           # Windows on arm64 only supports Python 3.11+
           - os: windows
@@ -377,7 +378,7 @@ jobs:
           target: ${{ matrix.target }}
           manylinux: ${{ matrix.manylinux || 'auto' }}
           container: ${{ matrix.container }}
-          args: --release --out dist --interpreter ${{ matrix.interpreter || '3.7 3.8 3.9 3.10 3.11 pypy3.7 pypy3.8 pypy3.9' }}
+          args: --release --out dist --interpreter ${{ matrix.interpreter || '3.7 3.8 3.9 3.10 3.11 3.12 pypy3.7 pypy3.8 pypy3.9' }}
           rust-toolchain: stable
           docker-options: -e CI
 

Cargo.toml

@@ -42,6 +42,7 @@ url = "2.3.1"
 idna = "0.3.0"
 base64 = "0.13.1"
 num-bigint = "0.4.3"
+python3-dll-a = "0.2.7"
 
 [lib]
 name = "_pydantic_core"

pyproject.toml

@@ -22,6 +22,7 @@ classifiers = [
     'Programming Language :: Python :: 3.9',
     'Programming Language :: Python :: 3.10',
     'Programming Language :: Python :: 3.11',
+    'Programming Language :: Python :: 3.12',
     'Programming Language :: Rust',
     'Framework :: Pydantic',
     'Intended Audience :: Developers',
@@ -64,7 +65,13 @@ isort = { known-first-party = ['pydantic_core', 'tests'] }
 [tool.pytest.ini_options]
 testpaths = 'tests'
 log_format = '%(name)s %(levelname)s: %(message)s'
-filterwarnings = 'error'
+filterwarnings = [
+    'error',
+    # Work around https://github.com/pytest-dev/pytest/issues/10977 for Python 3.12
+    'ignore:(ast\.Str|ast\.NameConstant|ast\.Num|Attribute s) is deprecated and will be removed.*:DeprecationWarning:',
+    # issue with pytz - https://github.com/stub42/pytz/issues/105 for Python 3.12
+    'ignore:datetime\.utcfromtimestamp\(\) is deprecated.*:DeprecationWarning:',
+]
 timeout = 30
 xfail_strict = true
 # min, max, mean, stddev, median, iqr, outliers, ops, rounds, iterations

tests/benchmarks/test_micro_benchmarks.py

@@ -760,7 +760,7 @@ class CoreModel:
 
     @pytest.fixture(scope='class')
     def datetime_raw(self):
-        return datetime.utcnow().replace(tzinfo=timezone.utc) + timedelta(days=1)
+        return datetime.now(timezone.utc) + timedelta(days=1)
 
     @pytest.fixture(scope='class')
     def datetime_str(self, datetime_raw):

tests/validators/test_date.py

@@ -275,7 +275,7 @@ def test_date_future(py_and_json: PyAndJson, input_value, expected):
 
 def test_date_past_future_today():
     v = SchemaValidator(core_schema.date_schema(now_op='past', now_utc_offset=0))
-    today = datetime.utcnow().replace(tzinfo=timezone.utc).date()
+    today = datetime.now(timezone.utc).date()
     assert v.isinstance_python(today) is False
     assert v.isinstance_python(today - timedelta(days=1)) is True
     assert v.isinstance_python(today + timedelta(days=1)) is False

tests/validators/test_datetime.py

@@ -307,7 +307,7 @@ def test_datetime_past(py_and_json: PyAndJson, input_value, expected):
 
 def test_datetime_past_timezone():
     v = SchemaValidator(core_schema.datetime_schema(now_utc_offset=0, now_op='past'))
-    now_utc = datetime.utcnow().replace(tzinfo=timezone.utc) - timedelta(seconds=1)
+    now_utc = datetime.now(timezone.utc) - timedelta(seconds=1)
     assert v.isinstance_python(now_utc)
     # "later" in the day
     assert v.isinstance_python(now_utc.astimezone(pytz.timezone('Europe/Istanbul')))
@@ -350,7 +350,7 @@ def test_datetime_future(py_and_json: PyAndJson, input_value, expected):
 
 def test_datetime_future_timezone():
     v = SchemaValidator(core_schema.datetime_schema(now_utc_offset=0, now_op='future'))
-    now_utc = datetime.utcnow().replace(tzinfo=timezone.utc)
+    now_utc = datetime.now(timezone.utc)
 
     soon_utc = now_utc + timedelta(minutes=1)
     assert v.isinstance_python(soon_utc)
@@ -376,10 +376,10 @@ def test_mock_utc_offset_8_hours(mocker):
     """
     mocker.patch('time.localtime', return_value=type('time.struct_time', (), {'tm_gmtoff': 8 * 60 * 60}))
     v = SchemaValidator(core_schema.datetime_schema(now_op='future'))
-    future = datetime.utcnow() + timedelta(hours=8, minutes=1)
+    future = datetime.now(timezone.utc).replace(tzinfo=None) + timedelta(hours=8, minutes=1)
     assert v.isinstance_python(future)
 
-    future = datetime.utcnow() + timedelta(hours=7, minutes=59)
+    future = datetime.now(timezone.utc).replace(tzinfo=None) + timedelta(hours=7, minutes=59)
     assert not v.isinstance_python(future)