added linux only check for sudo usage and write / execution permissions for the installer folder itself

assets/language/en.json

@@ -115,6 +115,8 @@
     "CONVERTING_TO_RIIVOLUTION": "Converting to Riivolution patch",
     "PATCHS": "patchs",
     "PRE-PATCHS": "pre-patchs",
-    "CALCULATING_HASH_FOR": "Calculating hash for"
+    "CALCULATING_HASH_FOR": "Calculating hash for",
+    "WARNING_NOT_ROOT": "The application require root permission. You should start the application with 'sudo'. Continue anyway ?",
+    "WARNING_INSTALLER_PERMISSION": "The application need writing and execution permissions to its own files. You can use 'sudo chmod 777 -R <installer-path>' to fix that. Continue anyway ?"
   }
 }

assets/language/fr.json

@@ -116,6 +116,8 @@
     "CONVERTING_TO_RIIVOLUTION": "Conversion en patch Riivolution",
     "PATCHS": "patchs",
     "PRE-PATCHS": "pre-patchs",
-    "CALCULATING_HASH_FOR": "Calcule du hash pour"
+    "CALCULATING_HASH_FOR": "Calcule du hash pour",
+    "WARNING_NOT_ROOT": "Cette application nécessite les permissions root. Vous devriez lancer l'application avec 'sudo'. Continuer quand même ?",
+    "WARNING_INSTALLER_PERMISSION": "Cette application nécessite les permissions d'écriture et d'exécution sur ses propres fichiers. Vous pouvez utiliser 'sudo chmod 777 -R <installer-path>' pour corriger cela. Continuer quand même ?"
   }
 }

source/__init__.py

@@ -4,6 +4,8 @@ __author__ = 'Faraphel'
 
 
 # external links
+import os
+
 discord_url = "https://discord.gg/HEYW5v8ZCd"
 github_wiki_url = "https://github.com/Faraphel/MKWF-Install/wiki/help"
 readthedocs_url = "https://mkwf-install.readthedocs.io/"
@@ -17,6 +19,7 @@ Go: int = 1_000 * Mo
 minimum_space_available: int = 15*Go
 file_block_size: int = 128*Ko
 
+system = "win64" if os.name == "nt" else "lin64"
 
 # global type hint
 TemplateSafeEval: str

source/gui/install.py

@@ -379,6 +379,16 @@ class ButtonInstall(ttk.Button):
                 if not messagebox.askokcancel(_("WARNING"), _("WARNING_LOW_SPACE_CONTINUE")):
                     return
 
+            if system == "lin64":  # if linux
+                if os.getuid() != 0:  # if the user is not root
+                    if not messagebox.askokcancel(_("WARNING"), _("WARNING_NOT_ROOT")):
+                        return
+
+                if not os.access("./", os.W_OK | os.X_OK):
+                    # check if writing (for the /.cache/) and execution (for /tools/) are allowed
+                    if not messagebox.askokcancel(_("WARNING"), _("WARNING_INSTALLER_PERMISSION")):
+                        return
+
             game = Game(source_path)
             output_type = Extension[self.root.options.extension.get()]
 

source/wt/__init__.py

@@ -1,13 +1,12 @@
 import subprocess
 from pathlib import Path
-import os
 from typing import Callable
 
+from source import system
 from source.translation import translate as _
 
 
 tools_dir: Path = Path("./tools/")
-system = "win64" if os.name == "nt" else "lin64"
 
 subprocess_kwargs = {"creationflags": subprocess.CREATE_NO_WINDOW} if system == "win64" else {}
 # creationflags are Windows specific. Linux don't show any subprocess window per default.