add back arrow/dtype and expr

Author: yangdanny97

pandas-stubs/core/arrays/arrow/dtype.pyi

@@ -0,0 +1,11 @@
+import pyarrow as pa
+
+from pandas._libs.missing import NAType
+
+from pandas.core.dtypes.base import StorageExtensionDtype
+
+class ArrowDtype(StorageExtensionDtype):
+    pyarrow_dtype: pa.DataType
+    def __init__(self, pyarrow_dtype: pa.DataType) -> None: ...
+    @property
+    def na_value(self) -> NAType: ...

pandas-stubs/core/computation/expr.pyi

@@ -0,0 +1,64 @@
+import ast
+
+from pandas.core.computation.ops import Term as Term
+from pandas.core.computation.scope import Scope as Scope
+
+class BaseExprVisitor(ast.NodeVisitor):
+    const_type = ...
+    term_type = ...
+    binary_ops = ...
+    binary_op_nodes = ...
+    binary_op_nodes_map = ...
+    unary_ops = ...
+    unary_op_nodes = ...
+    unary_op_nodes_map = ...
+    rewrite_map = ...
+    env = ...
+    engine = ...
+    parser = ...
+    preparser = ...
+    assigner = ...
+    def __init__(self, env, engine, parser, preparser=...) -> None: ...
+    def visit(self, node, **kwargs): ...
+    def visit_Module(self, node, **kwargs): ...
+    def visit_Expr(self, node, **kwargs): ...
+    def visit_BinOp(self, node, **kwargs): ...
+    def visit_Div(self, node, **kwargs): ...
+    def visit_UnaryOp(self, node, **kwargs): ...
+    def visit_Name(self, node, **kwargs): ...
+    def visit_NameConstant(self, node, **kwargs): ...
+    def visit_Num(self, node, **kwargs): ...
+    def visit_Constant(self, node, **kwargs): ...
+    def visit_Str(self, node, **kwargs): ...
+    def visit_List(self, node, **kwargs): ...
+    def visit_Index(self, node, **kwargs): ...
+    def visit_Subscript(self, node, **kwargs): ...
+    def visit_Slice(self, node, **kwargs): ...
+    def visit_Assign(self, node, **kwargs): ...
+    def visit_Attribute(self, node, **kwargs): ...
+    def visit_Call(self, node, side=..., **kwargs): ...
+    def translate_In(self, op): ...
+    def visit_Compare(self, node, **kwargs): ...
+    def visit_BoolOp(self, node, **kwargs): ...
+
+class Expr:
+    env: Scope
+    engine: str
+    parser: str
+    expr = ...
+    terms = ...
+    def __init__(
+        self,
+        expr,
+        engine: str = ...,
+        parser: str = ...,
+        env: Scope | None = ...,
+        level: int = ...,
+    ) -> None: ...
+    @property
+    def assigner(self): ...
+    def __call__(self): ...
+    def __len__(self) -> int: ...
+    def parse(self): ...
+    @property
+    def names(self): ...