Drop Python 3.7, 3.8, 3.9 support

.github/workflows/test.yml

@@ -12,7 +12,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        python-version: ['3.7', '3.8', '3.9', '3.10']
+        python-version: ['3.10', '3.11', '3.12', '3.13']
 
     steps:
     - uses: actions/checkout@v3
@@ -23,8 +23,7 @@ jobs:
 
     - name: Install poetry
       run: |
-        curl -sSL \
-          "https://raw.githubusercontent.com/python-poetry/poetry/master/install-poetry.py" | python
+        curl -sSL https://install.python-poetry.org | python3 -
 
         # Adding `poetry` to `$PATH`:
         echo "$HOME/.poetry/bin" >> $GITHUB_PATH

CHANGELOG.md

@@ -2,6 +2,10 @@
 
 We follow Semantic Versions since the `0.1.0` release.
 
+## Version 0.5.0 (ONGOING)
+
+- Drop `python3.7`, `python3.8` and `python3.9` support #496
+
 
 ## Version 0.4.1
 

classes/_typeclass.py

@@ -109,7 +109,7 @@
 
 .. code:: python
 
-    >>> class WithField(object):
+    >>> class WithField:
     ...    field: str = 'with field'
 
     >>> assert example(WithField()) == 'with field'
@@ -123,6 +123,7 @@
     Dict,
     Generic,
     Optional,
+    Protocol,
     Type,
     TypeVar,
     Union,
@@ -256,7 +257,7 @@ class Supports(Generic[_AssociatedTypeDef]):
 
       >>> from classes import typeclass, Supports
 
-      >>> class ToJson(object):
+      >>> class ToJson:
       ...     ...
 
       >>> @typeclass(ToJson)
@@ -609,8 +610,6 @@ def _dispatch_delegate(self, instance) -> Optional[Callable]:
 
 
 if TYPE_CHECKING:
-    from typing_extensions import Protocol
-
     class _TypeClassDef(Protocol[_AssociatedType]):
         """
         Callable protocol to help us with typeclass definition.

classes/contrib/mypy/features/supports.py

@@ -12,7 +12,7 @@
 
 
 @final
-class VariadicGeneric(object):
+class VariadicGeneric:
     """
     Variadic generic support for ``Supports`` type.
 

classes/contrib/mypy/features/typeclass.py

@@ -30,7 +30,7 @@
 
 
 @final
-class TypeClassReturnType(object):
+class TypeClassReturnType:
     """
     Adjust argument types when we define typeclasses via ``typeclass`` function.
 
@@ -105,7 +105,7 @@ def _process_typeclass_def_return_type(
 
 
 @final
-class TypeClassDefReturnType(object):
+class TypeClassDefReturnType:
     """
     Callback for cases like ``@typeclass(SomeType)``.
 
@@ -172,7 +172,7 @@ def instance_return_type(ctx: MethodContext) -> MypyType:
 
 
 @final
-class InstanceDefReturnType(object):
+class InstanceDefReturnType:
     """
     Class to check how instance definition is created.
 

classes/contrib/mypy/typeops/call_signatures.py

@@ -17,7 +17,7 @@
 
 
 @final
-class SmartCallSignature(object):
+class SmartCallSignature:
     """
     Infers the ``__call__`` signature of a typeclass.
 

classes/contrib/mypy/typeops/mro.py

@@ -11,7 +11,7 @@
 
 
 @final
-class MetadataInjector(object):
+class MetadataInjector:
     """
     Injects fake ``Supports[TypeClass]`` parent classes into ``mro``.
 

docs/pages/concept.rst

@@ -310,7 +310,7 @@ In other words, it can fallback to more common types:
   ... def example(instance) -> str:
   ...     ...
 
-  >>> class A(object):
+  >>> class A:
   ...     ...
 
   >>> class B(A):
@@ -505,7 +505,7 @@ to have only subtypes of some specific types during typechecking
 
   >>> from classes import typeclass
 
-  >>> class A(object):
+  >>> class A:
   ...     ...
 
   >>> class B(A):

docs/pages/why.rst

@@ -58,7 +58,7 @@ super type to make ``len`` method available to your type:
 
   >>> import abc
 
-  >>> class HasLength(object):
+  >>> class HasLength:
   ...     @abc.abstractmethod
   ...     def len(self) -> int:
   ...         """You have to implement this method to get the length."""
@@ -96,7 +96,7 @@ For example, imagine you have a typical domain ``Person`` class:
 
   >>> from typing import Sequence
 
-  >>> class Person(object):
+  >>> class Person:
   ...     def become_friends(self, friend: 'Person') -> None:
   ...          ...
   ...
@@ -111,7 +111,7 @@ And our library requires this extra API:
 
 .. code:: diff
 
-  --- class Person(object):
+  --- class Person:
   +++ class Person(JSONSerializable):
 
   +++ def to_json(self) -> str: