arguments are not stored as list but as string as it is required for subprocess.Popen

openpype/hooks/pre_with_windows_shell.py

@@ -1,4 +1,5 @@
 import os
+import subprocess
 from openpype.lib import PreLaunchHook
 
 
@@ -15,10 +16,22 @@ class LaunchWithWindowsShell(PreLaunchHook):
     platforms = ["windows"]
 
     def execute(self):
-        # Get comspec which is cmd.exe in most cases.
+        new_args = [
-        comspec = os.environ.get("COMSPEC", "cmd.exe")
+            # Get comspec which is cmd.exe in most cases.
-        # Add comspec to arguments list and add "/k"
+            os.environ.get("COMSPEC", "cmd.exe"),
-        new_args = [comspec, "/c"]
+            # NOTE change to "/k" if want to keep console opened
-        new_args.extend(self.launch_context.launch_args)
+            "/c",
+            # Convert arguments to command line arguments (as string)
+            "\"{}\"".format(
+                subprocess.list2cmdline(self.launch_context.launch_args)
+            )
+        ]
+        # Convert list to string
+        # WARNING this only works if is used as string
+        args_string = " ".join(new_args)
+        self.log.info((
+            "Modified launch arguments to be launched with shell \"{}\"."
+        ).format(args_string))
+
         # Replace launch args with new one
-        self.launch_context.launch_args = new_args
+        self.launch_context.launch_args = args_string