Fix auto-upgrade to windowed mode with legacy installer.

src/manage/scriptutils.py

@@ -90,7 +90,7 @@ def _find_shebang_command(cmd, full_cmd, *, windowed=None):
         return cmd.get_install_to_run(f"PythonCore/{tag}", windowed=True)
     if sh_cmd.match("python*.exe"):
         tag = sh_cmd.name[6:-4]
-        return cmd.get_install_to_run(f"PythonCore/{tag}")
+        return cmd.get_install_to_run(f"PythonCore/{tag}", windowed=windowed)
 
     raise LookupError
 

tests/conftest.py

@@ -158,8 +158,10 @@ def __init__(self, global_dir, installs=[]):
         self.shebang_can_run_anything_silently = False
         self.scratch = {}
 
-    def get_installs(self, *, include_unmanaged=True, set_default=True):
-        return self.installs
+    def get_installs(self, *, include_unmanaged=False, set_default=True):
+        if include_unmanaged:
+            return self.installs
+        return [i for i in self.installs if not i.get("unmanaged", 0)]
 
     def get_install_to_run(self, tag, *, windowed=False):
         if windowed:
@@ -171,7 +173,7 @@ def get_install_to_run(self, tag, *, windowed=False):
 
         company, _, tag = tag.replace("/", "\\").rpartition("\\")
         return [i for i in self.installs
-                if i["tag"] == tag and (not company or i["company"] == company)][0]
+                if (not tag or i["tag"] == tag) and (not company or i["company"] == company)][0]
 
 
 @pytest.fixture

tests/test_install_command.py

@@ -288,7 +288,7 @@ def get_log_file(self):
     def get_installs(self):
         return self.installs
 
-    def get_install_to_run(self, tag):
+    def get_install_to_run(self, tag=None, script=None, *, windowed=False):
         for i in self.installs:
             if i["tag"] == tag or f"{i['company']}/{i['tag']}" == tag:
                 return i

tests/test_scriptutils.py

@@ -157,6 +157,25 @@ def t(n):
     assert t("pythonw1.0")["executable"].match("pythonw.exe")
 
 
+def test_unmanaged_py_shebang(fake_config, tmp_path):
+    inst = _fake_install("1.0", company="PythonCore", prefix=PurePath("C:\\TestRoot"))
+    inst["unmanaged"] = 1
+    inst["run-for"] = [
+        dict(name="python.exe", target=".\\python.exe"),
+        dict(name="pythonw.exe", target=".\\pythonw.exe", windowed=1),
+    ]
+    fake_config.installs[:] = [inst]
+
+    def t(n):
+        return _find_shebang_command(fake_config, n, windowed=False)
+
+    # Finds the install's default executable
+    assert t("python")["executable"].match("test-binary-1.0.exe")
+    assert t("python1.0")["executable"].match("test-binary-1.0.exe")
+    # Finds the install's run-for executable with windowed=1
+    assert t("pythonw")["executable"].match("pythonw.exe")
+    assert t("pythonw1.0")["executable"].match("pythonw.exe")
+
 
 @pytest.mark.parametrize("script, expect", [
     ("# not a coding comment", None),