Update typing for Python 3.7 (2) (#1556)

Author: cdce8p

astroid/brain/brain_builtin_inference.py

@@ -7,8 +7,8 @@
 from __future__ import annotations
 
 import itertools
+from collections.abc import Iterator
 from functools import partial
-from typing import Iterator
 
 from astroid import arguments, helpers, inference_tip, nodes, objects, util
 from astroid.builder import AstroidBuilder

astroid/brain/brain_dataclasses.py

@@ -16,7 +16,8 @@
 from __future__ import annotations
 
 import sys
-from typing import Generator, Tuple, Union
+from collections.abc import Generator
+from typing import Tuple, Union
 
 from astroid import context, inference_tip
 from astroid.builder import parse

astroid/brain/brain_functools.py

@@ -6,9 +6,9 @@
 
 from __future__ import annotations
 
+from collections.abc import Iterator
 from functools import partial
 from itertools import chain
-from typing import Iterator
 
 from astroid import BoundMethod, arguments, extract_node, helpers, nodes, objects
 from astroid.context import InferenceContext

astroid/brain/brain_namedtuple_enum.py

@@ -8,8 +8,8 @@
 
 import functools
 import keyword
+from collections.abc import Iterator
 from textwrap import dedent
-from typing import Iterator
 
 import astroid
 from astroid import arguments, inference_tip, nodes, util

astroid/brain/brain_typing.py

@@ -7,6 +7,7 @@
 from __future__ import annotations
 
 import typing
+from collections.abc import Iterator
 from functools import partial
 
 from astroid import context, extract_node, inference_tip
@@ -144,7 +145,7 @@ def _looks_like_typing_subscript(node):
 
 def infer_typing_attr(
     node: Subscript, ctx: context.InferenceContext | None = None
-) -> typing.Iterator[ClassDef]:
+) -> Iterator[ClassDef]:
     """Infer a typing.X[...] subscript"""
     try:
         value = next(node.value.infer())  # type: ignore[union-attr] # value shouldn't be None for Subscript.
@@ -190,15 +191,15 @@ def _looks_like_typedDict(  # pylint: disable=invalid-name
 
 def infer_old_typedDict(  # pylint: disable=invalid-name
     node: ClassDef, ctx: context.InferenceContext | None = None
-) -> typing.Iterator[ClassDef]:
+) -> Iterator[ClassDef]:
     func_to_add = _extract_single_node("dict")
     node.locals["__call__"] = [func_to_add]
     return iter([node])
 
 
 def infer_typedDict(  # pylint: disable=invalid-name
     node: FunctionDef, ctx: context.InferenceContext | None = None
-) -> typing.Iterator[ClassDef]:
+) -> Iterator[ClassDef]:
     """Replace TypedDict FunctionDef with ClassDef."""
     class_def = ClassDef(
         name="TypedDict",
@@ -258,7 +259,7 @@ def full_raiser(origin_func, attr, *args, **kwargs):
 
 def infer_typing_alias(
     node: Call, ctx: context.InferenceContext | None = None
-) -> typing.Iterator[ClassDef]:
+) -> Iterator[ClassDef]:
     """
     Infers the call to _alias function
     Insert ClassDef, with same name as aliased class,
@@ -346,7 +347,7 @@ def _looks_like_special_alias(node: Call) -> bool:
 
 def infer_special_alias(
     node: Call, ctx: context.InferenceContext | None = None
-) -> typing.Iterator[ClassDef]:
+) -> Iterator[ClassDef]:
     """Infer call to tuple alias as new subscriptable class typing.Tuple."""
     if not (
         isinstance(node.parent, Assign)
@@ -381,7 +382,7 @@ def _looks_like_typing_cast(node: Call) -> bool:
 
 def infer_typing_cast(
     node: Call, ctx: context.InferenceContext | None = None
-) -> typing.Iterator[NodeNG]:
+) -> Iterator[NodeNG]:
     """Infer call to cast() returning same type as casted-from var"""
     if not isinstance(node.func, (Name, Attribute)):
         raise UseInferenceDefault

astroid/decorators.py

@@ -4,11 +4,14 @@
 
 """ A few useful function/method decorators."""
 
+from __future__ import annotations
+
 import functools
 import inspect
 import sys
 import warnings
-from typing import Callable, TypeVar
+from collections.abc import Callable
+from typing import TypeVar
 
 import wrapt
 

astroid/inference.py

@@ -11,7 +11,8 @@
 import functools
 import itertools
 import operator
-from typing import TYPE_CHECKING, Any, Callable, Generator, Iterable, Iterator, TypeVar
+from collections.abc import Callable, Generator, Iterable, Iterator
+from typing import TYPE_CHECKING, Any, TypeVar
 
 from astroid import bases, decorators, helpers, nodes, protocols, util
 from astroid.context import (

astroid/inference_tip.py

@@ -7,6 +7,7 @@
 from __future__ import annotations
 
 import typing
+from collections.abc import Iterator
 
 import wrapt
 
@@ -30,7 +31,7 @@ def clear_inference_tip_cache():
 @wrapt.decorator
 def _inference_tip_cached(
     func: InferFn, instance: None, args: typing.Any, kwargs: typing.Any
-) -> typing.Iterator[InferOptions]:
+) -> Iterator[InferOptions]:
     """Cache decorator used for inference tips"""
     node = args[0]
     try:

astroid/interpreter/_import/spec.py

@@ -12,9 +12,10 @@
 import os
 import sys
 import zipimport
+from collections.abc import Sequence
 from functools import lru_cache
 from pathlib import Path
-from typing import NamedTuple, Sequence
+from typing import NamedTuple
 
 from astroid.modutils import EXT_LIB_DIRS
 

astroid/nodes/node_classes.py

@@ -11,18 +11,9 @@
 import sys
 import typing
 import warnings
+from collections.abc import Generator, Iterator
 from functools import lru_cache
-from typing import (
-    TYPE_CHECKING,
-    Any,
-    Callable,
-    ClassVar,
-    Generator,
-    Iterator,
-    Optional,
-    TypeVar,
-    Union,
-)
+from typing import TYPE_CHECKING, Any, Callable, ClassVar, Optional, TypeVar, Union
 
 from astroid import decorators, mixins, util
 from astroid.bases import Instance, _infer_stmts