winecommand: disc recognition, first (failed) attempt

Author: EmoonX

bottles/backend/wine/drives.py

@@ -32,7 +32,7 @@ def get_drive(self, letter: str):
         return None
 
     def set_drive_path(self, letter: str, path: str):
-        """Change a drives path in the bottle"""
+        """Change a drive's path in the bottle"""
         letter = f"{letter}:".lower()
         drive_sym_path = os.path.join(self.dosdevices_path, letter)
         if not os.path.exists(self.dosdevices_path):

bottles/backend/wine/winecommand.py

@@ -1,6 +1,7 @@
 import os
 import shutil
 import stat
+import string
 import subprocess
 import tempfile
 import shlex
@@ -25,6 +26,7 @@
 from bottles.backend.utils.manager import ManagerUtils
 from bottles.backend.utils.terminal import TerminalUtils
 from bottles.backend.utils.steam import SteamUtils
+from bottles.backend.wine.drives import Drives
 
 logging = Logger()
 
@@ -606,6 +608,7 @@ def get_cmd(
             command = f"sh '{pre_script}' ; {command}"
 
         if disc_image is not None:
+            # Mount/unmount disc image on temp mount point
             mount_point = "/tmp/bottles/disc"
             command = f"""
                 flatpak-spawn --host mkdir -p '{mount_point}'
@@ -614,6 +617,15 @@ def get_cmd(
                 flatpak-spawn --host fusermount -uz '{mount_point}' # -z for lazy unmount
             """
 
+            # Assign path to first free drive letter
+            drives = Drives(self.config)
+            alphabet = string.ascii_uppercase
+            letter = next(
+                c for c in alphabet
+                if c >= "D" and not drives.get_drive(c)
+            )
+            drives.set_drive_path(letter, mount_point)
+
         return command
 
     def _get_gamescope_cmd(self, return_steam_cmd: bool = False) -> str: