Enable stubtest for pyserial (#9692)

stubs/pyserial/@tests/stubtest_allowlist.txt

@@ -67,7 +67,3 @@ serial.serialutil.SerialBase.setDTR
 serial.serialutil.SerialBase.setPort
 serial.serialutil.SerialBase.setRTS
 serial.serialutil.SerialBase.writeTimeout
-
-# Private aliases
-serial.serialposix.plat
-serial.tools.list_ports_posix.plat

stubs/pyserial/@tests/stubtest_allowlist_darwin.txt

@@ -2,7 +2,6 @@
 # =======================
 serial.serialwin32  # Windows only
 serial.win32  # Windows only
-serial.tools.list_ports_linux  # Linux only
 serial.tools.list_ports_windows  # Windows only
 
 # Error: is inconsistent
@@ -15,3 +14,13 @@ serial.serialposix.Serial.read
 serial.serialposix.Serial.write
 serial.serialposix.PosixPollSerial.read
 serial.serialposix.VTIMESerial.read
+
+# Error: is missing from the stub
+# ===============================
+# TODO: maybe add these
+serial.tools.list_ports_linux.SysFS
+serial.tools.list_ports_linux.comports
+
+# intended to be private aliases
+serial.tools.list_ports_posix.plat
+serial.serialposix.plat

stubs/pyserial/@tests/stubtest_allowlist_linux.txt

@@ -15,3 +15,8 @@ serial.serialposix.Serial.read
 serial.serialposix.Serial.write
 serial.serialposix.PosixPollSerial.read
 serial.serialposix.VTIMESerial.read
+
+# Error: is missing from the stub (intended to be private aliases)
+# ================================================================
+serial.tools.list_ports_posix.plat
+serial.serialposix.plat

stubs/pyserial/@tests/stubtest_allowlist_win32.txt

@@ -2,7 +2,7 @@
 # =======================
 serial.serialposix  # Posix only
 serial.tools.list_ports_osx  # Mac only
-serial.tools.list_ports_linux  # Linux only
+serial.tools.list_ports_posix  # Posix only
 
 # Error: is inconsistent
 # ======================
@@ -10,3 +10,19 @@ serial.tools.list_ports_linux  # Linux only
 # but at runtime they are normal arguments that don't have consistent names.
 serial.serialwin32.Serial.read
 serial.serialwin32.Serial.write
+
+# Missing from the stub (TODO: add these)
+# =======================================
+serial.win32._SECURITY_ATTRIBUTES.\w+
+serial.win32._OVERLAPPED.\w+
+serial.win32._DCB.\w+
+serial.win32._COMSTAT.\w+
+serial.win32._COMMTIMEOUTS.\w+
+serial.win32.N11_OVERLAPPED4DOLLAR_48E.\w+
+serial.win32.N11_OVERLAPPED4DOLLAR_484DOLLAR_49E.\w+
+serial.win32.CreateEventW
+serial.win32.CreateFileW
+serial.tools.list_ports_linux.SysFS
+serial.tools.list_ports_linux.comports
+serial.tools.list_ports_windows.SP_DEVINFO_DATA.\w+
+serial.tools.list_ports_windows.GUID.\w+

stubs/pyserial/METADATA.toml

@@ -1,10 +1,6 @@
 version = "3.5.*"
 
 [tool.stubtest]
-# Skip stubtest because it crashes with `SystemExit` when trying to import `serial.__main__`.
-# This has been fixed in https://github.com/python/mypy/pull/14284.
-# TODO: Remove skip once mypy 1.0 is released with the fix.
-skip = true
 ignore_missing_stub = false
 platforms = ["linux", "win32", "darwin"]
 extras = ["cp2110"]

stubs/pyserial/serial/win32.pyi

@@ -6,7 +6,7 @@ from typing_extensions import TypeAlias
 if sys.platform == "win32":
     def is_64bit() -> bool: ...
 
-    ULONG_PTR: TypeAlias = c_int64 | c_ulong
+    ULONG_PTR: c_int64 | c_ulong
 
     class _SECURITY_ATTRIBUTES(Structure): ...
     LPSECURITY_ATTRIBUTES: type[_Pointer[_SECURITY_ATTRIBUTES]]