Remove _make_strs and update msvc to accept WindowsPath.

Author: jaraco

distutils/compilers/C/msvc.py

@@ -406,9 +406,9 @@ def compile(  # noqa: C901
                 src = os.path.abspath(src)
 
             if ext in self._c_extensions:
-                input_opt = "/Tc" + src
+                input_opt = f"/Tc{src}"
             elif ext in self._cpp_extensions:
-                input_opt = "/Tp" + src
+                input_opt = f"/Tp{src}"
                 add_cpp_opts = True
             elif ext in self._rc_extensions:
                 # compile .RC to .RES file

distutils/compilers/C/tests/test_base.py

@@ -1,4 +1,3 @@
-import os
 import platform
 import sysconfig
 import textwrap
@@ -10,15 +9,6 @@
 pytestmark = pytest.mark.usefixtures('suppress_path_mangle')
 
 
-def _make_strs(paths):
-    """
-    Convert paths to strings for platform compatibility.
-    """
-    if platform.system() != "Windows":
-        return paths
-    return list(map(os.fspath, paths))
-
-
 @pytest.fixture
 def c_file(tmp_path):
     c_file = tmp_path / 'foo.c'
@@ -49,11 +39,11 @@ def test_set_include_dirs(c_file):
     compiler = base.new_compiler()
     python = sysconfig.get_paths()['include']
     compiler.set_include_dirs([python])
-    compiler.compile(_make_strs([c_file]))
+    compiler.compile([c_file])
 
     # do it again, setting include dirs after any initialization
     compiler.set_include_dirs([python])
-    compiler.compile(_make_strs([c_file]))
+    compiler.compile([c_file])
 
 
 def test_has_function_prototype():
@@ -87,7 +77,7 @@ def test_include_dirs_after_multiple_compile_calls(c_file):
     compiler = base.new_compiler()
     python = sysconfig.get_paths()['include']
     compiler.set_include_dirs([python])
-    compiler.compile(_make_strs([c_file]))
+    compiler.compile([c_file])
     assert compiler.include_dirs == [python]
-    compiler.compile(_make_strs([c_file]))
+    compiler.compile([c_file])
     assert compiler.include_dirs == [python]