Merge pull request #460 from yukinarit/drop-python3.7

Drop python3.7

Author: yukinarit

.github/workflows/test.yml

@@ -10,7 +10,7 @@ jobs:
     strategy:
       matrix:
         # Remove pypy-3.8 until it supports numpy
-        python-version: ["3.8", "3.9", "3.10", "3.11"]  # "pypy-3.8"
+        python-version: ["3.8", "3.9", "3.10", "3.11", "3.12"]  # "pypy-3.8"
     steps:
       - uses: actions/checkout@v3
       - name: Install poetry

examples/literal.py

@@ -1,12 +1,7 @@
-import sys
 from dataclasses import dataclass
 
 from serde.compat import SerdeError
-
-if sys.version_info[:2] == (3, 7):
-    from typing_extensions import Literal
-else:
-    from typing import Literal
+from typing import Literal
 
 from serde import serde
 from serde.json import from_json, to_json

pyproject.toml

@@ -37,6 +37,8 @@ numpy = [
     { version = ">1.21.0", markers = "python_version ~= '3.8.0' and (extra == 'numpy' or extra == 'all')", optional = true },
     { version = ">1.21.0", markers = "python_version ~= '3.9.0' and (extra == 'numpy' or extra == 'all')", optional = true },
     { version = ">1.22.0", markers = "python_version ~= '3.10' and (extra == 'numpy' or extra == 'all')", optional = true },
+    { version = ">1.22.0", markers = "python_version ~= '3.11' and (extra == 'numpy' or extra == 'all')", optional = true },
+    { version = ">1.22.0", markers = "python_version ~= '3.12' and (extra == 'numpy' or extra == 'all')", optional = true },
 ]
 orjson = { version = "*", markers = "extra == 'orjson' or extra == 'all'", optional = true }
 plum-dispatch = "^2"

serde/compat.py

@@ -35,11 +35,6 @@
 import typing_inspect
 from typing_extensions import Type, TypeGuard
 
-if sys.version_info[:2] == (3, 7):
-    Literal = typing_extensions.Literal
-else:
-    Literal = typing.Literal
-
 # Create alias for `dataclasses.Field` because `dataclasses.Field` is a generic
 # class since 3.9 but is not in 3.7 and 3.8.
 if sys.version_info[:2] <= (3, 8):
@@ -842,8 +837,6 @@ def is_literal(typ: Type[Any]) -> bool:
     False
     """
     origin = get_origin(typ)
-    if sys.version_info[:2] == (3, 7):
-        return origin is typing_extensions.Literal
     return origin is not None and origin is typing.Literal
 
 

serde/de.py

@@ -22,14 +22,14 @@
     overload,
     Union,
     Sequence,
+    Literal,
     Iterable,
 )
 
 import jinja2
 from typing_extensions import Type, dataclass_transform
 
 from .compat import (
-    Literal,
     SerdeError,
     SerdeSkip,
     T,

serde/se.py

@@ -24,13 +24,13 @@
     TypeVar,
     Iterable,
     Union,
+    Literal,
 )
 
 import jinja2
 from typing_extensions import dataclass_transform
 
 from .compat import (
-    Literal,
     SerdeError,
     SerdeSkip,
     T,

tests/test_compat.py

@@ -1,13 +1,12 @@
 import sys
 from dataclasses import dataclass
 from datetime import datetime
-from typing import Any, Dict, Generic, List, NewType, Optional, Set, Tuple, TypeVar, Union
+from typing import Any, Dict, Generic, List, NewType, Optional, Set, Tuple, TypeVar, Union, Literal
 
 import pytest
 
 import serde
 from serde.compat import (
-    Literal,
     get_generic_arg,
     is_dict,
     is_generic,

tests/test_literal.py

@@ -1,12 +1,6 @@
 import logging
-import sys
 from dataclasses import dataclass
-from typing import Dict, List, Tuple
-
-if sys.version_info[:2] == (3, 7):
-    from typing_extensions import Literal
-else:
-    from typing import Literal
+from typing import Dict, List, Tuple, Literal
 
 import pytest
 

tests/test_union.py

@@ -2,7 +2,19 @@
 import sys
 from dataclasses import dataclass
 from ipaddress import IPv4Address
-from typing import Dict, FrozenSet, Generic, List, NewType, Optional, Tuple, TypeVar, Union, Any
+from typing import (
+    Dict,
+    FrozenSet,
+    Generic,
+    List,
+    NewType,
+    Optional,
+    Tuple,
+    TypeVar,
+    Union,
+    Any,
+    Literal,
+)
 from uuid import UUID
 
 import pytest
@@ -20,7 +32,6 @@
     AdjacentTagging,
     Untagged,
 )
-from serde.compat import Literal
 from serde.json import from_json, to_json
 
 logging.basicConfig(level=logging.WARNING)