Print useful uf2conv error if executable not found (earlephilhower#1141)

earlephilhower · web-flow · commit 4c8bdc2bfc44 · 2023-01-26T11:02:07.000-08:00
Fixes earlephilhower#1140 ```` Converting to uf2, output size: 134144, start address: 0x2000 ERROR: Unable to execute powershell or wmic commands, can't continue. ERROR: Please make sure either PowerShell or WMIC is installed and in your %PATH%. ````
diff --git a/tools/uf2conv.py b/tools/uf2conv.py
@@ -240,6 +240,10 @@ def get_drives():
                                             "Format-Table -Property DeviceID, DriveType, Filesystem, VolumeName"],
                                             stdin = nul)
                 nul.close()
+            except FileNotFoundError:
+                print("ERROR: Unable to execute powershell or wmic commands, can't continue.")
+                print("ERROR: Please make sure either PowerShell or WMIC is installed and in your %PATH%.")
+                sys.exit(1)
             except:
                 print("Unable to build drive list");
                 sys.exit(1)
