fixed error on windows that lead filechooser to not filter root direc…

…tory and .sys files

.ci/create-spec.py

@@ -73,6 +73,7 @@
         # to keep `sys` module enabled (necessary for Kboot)
         BUILDER_ARGS.append("--onefile")
         BUILDER_ARGS.append("--console")
+        BUILDER_ARGS.append("--hidden-import=win32timezone")
         BUILDER_ARGS.append("--hide-console=minimize-early")
 
     elif SYSTEM == "Darwin":

src/app/screens/airgap_update_screen.py

@@ -22,6 +22,7 @@
 main_screen.py
 """
 import os
+import sys
 import shutil
 from functools import partial
 from kivy.clock import Clock
@@ -76,14 +77,30 @@ def on_load(path):
 
         setattr(AirgapUpdateScreen, "on_load", on_load)
 
-        self.make_grid(wid=f"{self.id}_grid", rows=1)
+        def on_filter_sys(directory, filename):
+            if sys.platform == "win32":
+                return not directory == "C:\\" and not filename.endswith(".sys")
+            return True
+
+        def on_filter_dumpstack(directory, filename):
+            if sys.platform == "win32":
+                return not directory == "C:\\" and not filename.endswith(
+                    "DumpStack.log.tmp"
+                )
+            return True
 
+        setattr(
+            AirgapUpdateScreen, "on_filters_list", [on_filter_sys, on_filter_dumpstack]
+        )
+
+        self.make_grid(wid=f"{self.id}_grid", rows=1)
         self.make_file_chooser(
             wid=f"{self.id}_select",
             root_widget=f"{self.id}_grid",
             view_mode="icon",
             font_factor=44,
             on_load=getattr(AirgapUpdateScreen, "on_load"),
+            on_filters_list=getattr(AirgapUpdateScreen, "on_filters_list"),
         )
 
         fn = partial(self.update, name=self.name, key="canvas")

src/app/screens/base_screen.py

@@ -258,6 +258,7 @@ def make_file_chooser(
         view_mode: str,
         font_factor: int,
         on_load: typing.Callable,
+        on_filters_list: typing.Callable,
     ):
         """Build a file chooser for airgap screen"""
         box = BoxLayout(orientation="vertical")
@@ -298,7 +299,7 @@ def on_size(instance, value):
         self.ids[btn.id] = WeakProxy(btn)
 
         # File chooser
-        file_chooser = FileChooserIconView()
+        file_chooser = FileChooserIconView(filters=on_filters_list)
         file_chooser.id = f"{wid}_chooser"
         file_chooser.dirselect = True