[appimage] improved the way sqlite3 and wget are checked

README.md

@@ -29,7 +29,8 @@ This project has an official Twitter account ( **@bauh4linux** ) so people can s
 - **flatpak**: to be able to handle Flatpak applications
 - **snapd**: to be able to handle Snap applications
 - **pacman**: to be able to handle AUR packages
-- **wget**: to be able to handle AUR packages
+- **wget**: to be able to handle AppImage and AUR packages
+- **sqlite3**: to be able to handle AppImage applications
 - **git**: to be able to downgrade AUR packages
 - **aria2**: faster AppImage and AUR source files downloading ( reduces packages installation time. More information below. )
 - **libappindicator3**: for the **tray mode** in GTK3 desktop environments

bauh/gems/appimage/controller.py

@@ -340,18 +340,12 @@ class AppImageManager(SoftwareManager):
         self.enabled = enabled
 
     def _is_sqlite3_available(self):
-        try:
+        res = run_cmd('which sqlite3')
-            new_subprocess(['sqlite3', '--version'])
+        return res and not res.strip().startswith('which ')
-            return True
-        except FileNotFoundError:
-            return False
 
     def _is_wget_available(self):
-        try:
+        res = run_cmd('which wget')
-            new_subprocess(['wget', '--version'])
+        return res and not res.strip().startswith('which ')
-            return True
-        except FileNotFoundError:
-            return False
 
     def can_work(self) -> bool:
         return self._is_sqlite3_available() and self._is_wget_available()