Add support for PEP 696 syntax (#11120)

crates/ruff_python_parser/resources/inline/err/type_param_param_spec_invalid_default_expr.py

@@ -0,0 +1,5 @@
+type X[**P = *int] = int
+type X[**P = yield x] = int
+type X[**P = yield from x] = int
+type X[**P = x := int] = int
+type X[**P = *int] = int

crates/ruff_python_parser/resources/inline/err/type_param_param_spec_missing_default.py

@@ -0,0 +1,2 @@
+type X[**P =] = int
+type X[**P =, T2] = int

crates/ruff_python_parser/resources/inline/err/type_param_type_var_invalid_default_expr.py

@@ -0,0 +1,6 @@
+type X[T = *int] = int
+type X[T = yield x] = int
+type X[T = (yield x)] = int
+type X[T = yield from x] = int
+type X[T = x := int] = int
+type X[T: int = *int] = int

crates/ruff_python_parser/resources/inline/err/type_param_type_var_missing_default.py

@@ -0,0 +1,3 @@
+type X[T =] = int
+type X[T: int =] = int
+type X[T1 =, T2] = int

crates/ruff_python_parser/resources/inline/err/type_param_type_var_tuple_invalid_default_expr.py

@@ -0,0 +1,5 @@
+type X[*Ts = *int] = int
+type X[*Ts = *int or str] = int
+type X[*Ts = yield x] = int
+type X[*Ts = yield from x] = int
+type X[*Ts = x := int] = int

crates/ruff_python_parser/resources/inline/err/type_param_type_var_tuple_missing_default.py

@@ -0,0 +1,2 @@
+type X[*Ts =] = int
+type X[*Ts =, T2] = int

crates/ruff_python_parser/resources/inline/ok/type_param_param_spec.py

@@ -0,0 +1,4 @@
+type X[**P] = int
+type X[**P = int] = int
+type X[T, **P] = int
+type X[T, **P = int] = int

crates/ruff_python_parser/resources/inline/ok/type_param_type_var.py

@@ -0,0 +1,5 @@
+type X[T] = int
+type X[T = int] = int
+type X[T: int = int] = int
+type X[T: (int, int) = int] = int
+type X[T: int = int, U: (int, int) = int] = int

crates/ruff_python_parser/resources/inline/ok/type_param_type_var_tuple.py

@@ -0,0 +1,5 @@
+type X[*Ts] = int
+type X[*Ts = int] = int
+type X[*Ts = *int] = int
+type X[T, *Ts] = int
+type X[T, *Ts = int] = int

crates/ruff_python_parser/resources/valid/statement/class.py

@@ -29,9 +29,15 @@ class Test(A, B):
 # TypeVar
 class Test[T](): ...
 
+# TypeVar with default
+class Test[T = str](): ...
+
 # TypeVar with bound
 class Test[T: str](): ...
 
+# TypeVar with bound and default
+class Test[T: int | str = int](): ...
+
 # TypeVar with tuple bound
 class Test[T: (str, bytes)](): ...
 
@@ -44,9 +50,18 @@ class Test[T, U,](): ...
 # TypeVarTuple
 class Test[*Ts](): ...
 
+# TypeVarTuple with default
+class Test[*Ts = Unpack[tuple[int, str]]](): ...
+
+# TypeVarTuple with starred default
+class Test[*Ts = *tuple[int, str]](): ...
+
 # ParamSpec
 class Test[**P](): ...
 
+# ParamSpec with default
+class Test[**P = [int, str]](): ...
+
 # Mixed types
 class Test[X, Y: str, *U, **P]():
   pass

crates/ruff_python_parser/resources/valid/statement/type.py

@@ -7,6 +7,10 @@ type X[T] = list[T] | set[T]
 type X[T, *Ts, **P] = (T, Ts, P)
 type X[T: int, *Ts, **P] = (T, Ts, P)
 type X[T: (int, str), *Ts, **P] = (T, Ts, P)
+type X[T = int] = T | str
+type X[T: int | str = int] = T | int | str
+type X[*Ts = *tuple[int, str]] = tuple[int, *Ts, str]
+type X[**P = [int, str]] = Callable[P, str]
 
 # Soft keyword as alias name
 type type = int