imaplib, nntplib, plistlib, poplib: use lower-case list and dict (#5890)

stdlib/imaplib.pyi

@@ -5,7 +5,7 @@ from _typeshed import Self
 from socket import socket as _socket
 from ssl import SSLContext, SSLSocket
 from types import TracebackType
-from typing import IO, Any, Callable, Dict, List, Pattern, Tuple, Type, Union
+from typing import IO, Any, Callable, List, Pattern, Tuple, Type, Union
 from typing_extensions import Literal
 
 # TODO: Commands should use their actual return types, not this type alias.
@@ -22,8 +22,8 @@ class IMAP4:
     debug: int = ...
     state: str = ...
     literal: str | None = ...
-    tagged_commands: Dict[bytes, List[bytes] | None]
-    untagged_responses: Dict[str, List[bytes | Tuple[bytes, bytes]]]
+    tagged_commands: dict[bytes, List[bytes] | None]
+    untagged_responses: dict[str, List[bytes | Tuple[bytes, bytes]]]
     continuation_response: str = ...
     is_readonly: bool = ...
     tagnum: int = ...

stdlib/nntplib.pyi

@@ -3,7 +3,7 @@ import socket
 import ssl
 import sys
 from _typeshed import Self
-from typing import IO, Any, Dict, Iterable, List, NamedTuple, Tuple, Union
+from typing import IO, Any, Iterable, NamedTuple, Tuple, Union
 
 _File = Union[IO[bytes], bytes, str, None]
 
@@ -28,10 +28,12 @@ class GroupInfo(NamedTuple):
 class ArticleInfo(NamedTuple):
     number: int
     message_id: str
-    lines: List[bytes]
+    lines: list[bytes]
 
 def decode_header(header_str: str) -> str: ...
 
+_list = list  # conflicts with a method named "list"
+
 class _NNTPBase:
     encoding: str
     errors: str
@@ -49,17 +51,17 @@ class _NNTPBase:
     def __enter__(self: Self) -> Self: ...
     def __exit__(self, *args: Any) -> None: ...
     def getwelcome(self) -> str: ...
-    def getcapabilities(self) -> Dict[str, List[str]]: ...
+    def getcapabilities(self) -> dict[str, _list[str]]: ...
     def set_debuglevel(self, level: int) -> None: ...
     def debug(self, level: int) -> None: ...
-    def capabilities(self) -> Tuple[str, Dict[str, List[str]]]: ...
-    def newgroups(self, date: datetime.date | datetime.datetime, *, file: _File = ...) -> Tuple[str, List[str]]: ...
-    def newnews(self, group: str, date: datetime.date | datetime.datetime, *, file: _File = ...) -> Tuple[str, List[str]]: ...
-    def list(self, group_pattern: str | None = ..., *, file: _File = ...) -> Tuple[str, List[str]]: ...
+    def capabilities(self) -> Tuple[str, dict[str, _list[str]]]: ...
+    def newgroups(self, date: datetime.date | datetime.datetime, *, file: _File = ...) -> Tuple[str, _list[str]]: ...
+    def newnews(self, group: str, date: datetime.date | datetime.datetime, *, file: _File = ...) -> Tuple[str, _list[str]]: ...
+    def list(self, group_pattern: str | None = ..., *, file: _File = ...) -> Tuple[str, _list[str]]: ...
     def description(self, group: str) -> str: ...
-    def descriptions(self, group_pattern: str) -> Tuple[str, Dict[str, str]]: ...
+    def descriptions(self, group_pattern: str) -> Tuple[str, dict[str, str]]: ...
     def group(self, name: str) -> Tuple[str, int, int, int, str]: ...
-    def help(self, *, file: _File = ...) -> Tuple[str, List[str]]: ...
+    def help(self, *, file: _File = ...) -> Tuple[str, _list[str]]: ...
     def stat(self, message_spec: Any = ...) -> Tuple[str, int, str]: ...
     def next(self) -> Tuple[str, int, str]: ...
     def last(self) -> Tuple[str, int, str]: ...
@@ -67,13 +69,13 @@ class _NNTPBase:
     def body(self, message_spec: Any = ..., *, file: _File = ...) -> Tuple[str, ArticleInfo]: ...
     def article(self, message_spec: Any = ..., *, file: _File = ...) -> Tuple[str, ArticleInfo]: ...
     def slave(self) -> str: ...
-    def xhdr(self, hdr: str, str: Any, *, file: _File = ...) -> Tuple[str, List[str]]: ...
-    def xover(self, start: int, end: int, *, file: _File = ...) -> Tuple[str, List[Tuple[int, Dict[str, str]]]]: ...
+    def xhdr(self, hdr: str, str: Any, *, file: _File = ...) -> Tuple[str, _list[str]]: ...
+    def xover(self, start: int, end: int, *, file: _File = ...) -> Tuple[str, _list[Tuple[int, dict[str, str]]]]: ...
     def over(
-        self, message_spec: None | str | List[Any] | Tuple[Any, ...], *, file: _File = ...
-    ) -> Tuple[str, List[Tuple[int, Dict[str, str]]]]: ...
+        self, message_spec: None | str | _list[Any] | Tuple[Any, ...], *, file: _File = ...
+    ) -> Tuple[str, _list[Tuple[int, dict[str, str]]]]: ...
     if sys.version_info < (3, 9):
-        def xgtitle(self, group: str, *, file: _File = ...) -> Tuple[str, List[Tuple[str, str]]]: ...
+        def xgtitle(self, group: str, *, file: _File = ...) -> Tuple[str, _list[Tuple[str, str]]]: ...
         def xpath(self, id: Any) -> Tuple[str, str]: ...
     def date(self) -> Tuple[str, datetime.datetime]: ...
     def post(self, data: bytes | Iterable[bytes]) -> str: ...

stdlib/plistlib.pyi

@@ -1,6 +1,6 @@
 import sys
 from enum import Enum
-from typing import IO, Any, Dict as DictT, Mapping, MutableMapping, Type
+from typing import IO, Any, Dict as _Dict, Mapping, MutableMapping, Type
 
 class PlistFormat(Enum):
     FMT_XML: int
@@ -41,7 +41,7 @@ if sys.version_info < (3, 9):
     def writePlistToBytes(value: Mapping[str, Any]) -> bytes: ...
 
 if sys.version_info < (3, 7):
-    class Dict(DictT[str, Any]):
+    class Dict(_Dict[str, Any]):
         def __getattr__(self, attr: str) -> Any: ...
         def __setattr__(self, attr: str, value: Any) -> None: ...
         def __delattr__(self, attr: str) -> None: ...

stdlib/poplib.pyi

@@ -1,6 +1,6 @@
 import socket
 import ssl
-from typing import Any, BinaryIO, Dict, List, Pattern, Tuple, overload
+from typing import Any, BinaryIO, List, Pattern, Tuple, overload
 
 _LongResp = Tuple[bytes, List[bytes], int]
 
@@ -41,7 +41,7 @@ class POP3:
     @overload
     def uidl(self, which: Any) -> bytes: ...
     def utf8(self) -> bytes: ...
-    def capa(self) -> Dict[str, List[str]]: ...
+    def capa(self) -> dict[str, List[str]]: ...
     def stls(self, context: ssl.SSLContext | None = ...) -> bytes: ...
 
 class POP3_SSL(POP3):