[WIP] PR: Fix crashes at startup on WSL because QtAwesome fonts are not available

qtawesome/iconic_font.py

@@ -17,6 +17,7 @@
 import ctypes
 import json
 import os
+import platform
 import shutil
 import warnings
 
@@ -679,15 +680,30 @@ def _install_fonts(self, fonts_directory, system_wide=False):
         Based on https://stackoverflow.com/a/41841088/15954282 and
         https://superuser.com/a/1663482
         """
-        if os.name != "nt":
+        isWSL = (
+            platform.system() == "Linux" and "microsoft" in platform.release().lower()
+        )
+
+        if os.name != "nt" and not (isWSL):
             return fonts_directory
 
         # Try to get WINDIR and LOCALAPPDATA path
         windows_dir = os.environ.get("WINDIR", None)
+        local_appdata_dir = os.environ.get("LOCALAPPDATA", None)
+
+        if isWSL:
+            if windows_dir:
+                windows_dir = windows_dir.replace("\\", "/")
+                drive, path = windows_dir.split(":", 1)
+                windows_dir = f"/mnt/{drive.lower()}{path}"
+            if local_appdata_dir:
+                local_appdata_dir = local_appdata_dir.replace("\\", "/")
+                drive, path = local_appdata_dir.split(":", 1)
+                local_appdata_dir = f"/mnt/{drive.lower()}{path}"
+
         if not windows_dir and system_wide:
             return fonts_directory
 
-        local_appdata_dir = os.environ.get("LOCALAPPDATA", None)
         if not local_appdata_dir and not system_wide:
             return fonts_directory
 
@@ -699,7 +715,10 @@ def _install_fonts(self, fonts_directory, system_wide=False):
         )
         os.makedirs(user_fonts_dir, exist_ok=True)
 
-        install_fonts_dir = system_fonts_dir if system_wide else user_fonts_dir
+        if system_wide:
+            install_fonts_dir = system_fonts_dir
+        else:
+            install_fonts_dir = user_fonts_dir
 
         # Setup bundled fonts on the WINDIR or LOCALAPPDATA fonts directory
         for root, __, files in os.walk(fonts_directory):
@@ -715,6 +734,9 @@ def _install_fonts(self, fonts_directory, system_wide=False):
 
                 shutil.copy(src_path, dst_path)
 
+                if isWSL:
+                    continue
+
                 # Further process the font file (`.ttf`)
                 if os.path.splitext(filename)[-1] == ".ttf":
                     # Load the font in the current session