feat: ensure creation of python3.exe and python3 on Windows

docs/changelog/2774.feature.rst

@@ -0,0 +1 @@
+Ensure python3.exe and python3 on Windows for Python 3. - by :user:`esafak`.

src/virtualenv/create/via_global_ref/builtin/cpython/common.py

@@ -38,7 +38,10 @@ def _executables(cls, interpreter):
  # - https://bugs.python.org/issue42013
  # - venv
  host = cls.host_python(interpreter)
- for path in (host.parent / n for n in {"python.exe", host.name}):
+ names = {"python.exe", host.name}
+ if interpreter.version_info.major == 3: # noqa: PLR2004
+ names.update({"python3.exe", "python3"})
+ for path in (host.parent / n for n in names):
  yield host, [path.name], RefMust.COPY, RefWhen.ANY
  # for more info on pythonw.exe see https://stackoverflow.com/a/30313091
  python_w = host.parent / "pythonw.exe"

tests/unit/create/via_global_ref/builtin/cpython/test_cpython3_win.py

@@ -99,3 +99,11 @@ def test_no_python_zip_if_not_exists(py_info, mock_files):
  sources = tuple(CPython3Windows.sources(interpreter=py_info))
  assert python_zip in py_info.path
  assert not contains_ref(sources, python_zip)
+
+
+@pytest.mark.parametrize("py_info_name", ["cpython3_win_embed"])
+def test_python3_exe_present(py_info, mock_files):
+ mock_files(CPYTHON3_PATH, [py_info.system_executable])
+ sources = tuple(CPython3Windows.sources(interpreter=py_info))
+ assert contains_exe(sources, py_info.system_executable, "python3.exe")
+ assert contains_exe(sources, py_info.system_executable, "python3")