Remove F401 (unused import) ignores and fix all violations

- Remove 12 unused imports across the codebase
- Remove F401 from all per-file-ignores in pyproject.toml
- Drop unused per-file-ignores entries for files where only F401 was ignored

Part of #643

Author: Mubashir78

comtypes/_npsupport.py

@@ -157,7 +157,6 @@ def enable(self):
         if self.enabled:
             return
         # first we have to be able to import numpy
-        import numpy
 
         # if that succeeded we can be enabled
         self.enabled = True

comtypes/automation.py

@@ -6,7 +6,7 @@
 from ctypes import *
 from ctypes import Array as _CArrayType
 from ctypes import _Pointer
-from ctypes.wintypes import DWORD, LONG, UINT, VARIANT_BOOL, WCHAR, WORD
+from ctypes.wintypes import DWORD, LONG, UINT, VARIANT_BOOL, WORD
 from typing import TYPE_CHECKING, Any, ClassVar, Optional
 
 import comtypes

comtypes/client/_constants.py

@@ -4,7 +4,6 @@
 #
 ################################################################
 import keyword
-import sys
 
 import comtypes
 import comtypes.automation

comtypes/test/setup.py

@@ -2,6 +2,5 @@
 import glob
 from distutils.core import setup
 
-import py2exe
 
 setup(name="test_*", console=glob.glob("test_*.py"))

comtypes/test/test_agilent.py

@@ -3,12 +3,11 @@
 # connected, the driver is used in simulation mode.
 
 import unittest
-from ctypes import POINTER, c_double
+from ctypes import c_double
 
 from comtypes import GUID
 from comtypes.client import CreateObject
 from comtypes.safearray import _midlSAFEARRAY
-from comtypes.test import ResourceDenied
 
 try:
     GUID.from_progid("Agilent546XX.Agilent546XX")

comtypes/test/test_server.py

@@ -219,7 +219,7 @@ def GetStackTrace(self, this, *args):
 
     def test_GetStackTrace(self):
         p = wrap(self.create())
-        from ctypes import POINTER, c_int, pointer
+        from ctypes import c_int, pointer
 
         frames = (c_int * 5)()
         res = p.GetStackTrace(42, frames, 5)
@@ -324,7 +324,7 @@ def OnSomethingElse(self, this, presult):
 path = tlb.compile()
 from comtypes.connectionpoints import IConnectionPointContainer
 from comtypes.gen import TestLib
-from comtypes.typeinfo import IProvideClassInfo, IProvideClassInfo2
+from comtypes.typeinfo import IProvideClassInfo2
 
 MyServer._com_interfaces_ = [
     TestLib.IMyInterface,

comtypes/test/test_urlhistory.py

@@ -1,6 +1,5 @@
 import os
 import unittest
-from copy import copy
 from ctypes import *
 
 from comtypes.client import CreateObject, GetModule

comtypes/test/test_variant.py

@@ -42,7 +42,6 @@
     VT_UI4,
     VT_UI8,
 )
-from comtypes.test.find_memleak import find_memleak
 from comtypes.typeinfo import LoadRegTypeLib
 
 
@@ -316,7 +315,6 @@ def check_perf(rep=20000):
     from ctypes import byref, c_int
 
     import comtypes.automation
-    from comtypes.automation import VARIANT
 
     print(comtypes.automation)
     variable = c_int()

comtypes/tools/typedesc_base.py

@@ -2,7 +2,6 @@
 from typing import Any, Optional, SupportsInt
 from typing import Union as _UnionT
 
-import comtypes
 
 
 class Argument:

docs/source/conf.py

@@ -13,7 +13,6 @@
 import os
 import sys
 
-import sphinx_rtd_theme
 
 # If extensions (or modules to document with autodoc) are in another directory,
 # add these directories to sys.path here. If the directory is relative to the