set typing pool to use device id instead of dev file. now works when usb stuff has been disonnected or moved around.

screenless/bureau/typing.py

@@ -28,12 +28,16 @@ class TypingPool(Bureau):
 
         self.devices = []
         self.active_devices = []
+        devindex = {}
 
         # add anything that smells like a keyboard 
         for dev in devices:
+            devkey = format(dev.info.vendor, '04x') + ":" +\
+                     format(dev.info.product, '04x')
+            devindex[devkey] = dev
             try:
                 if evdev.ecodes.KEY_A in dev.capabilities()[evdev.ecodes.EV_KEY]:
-                    print(dir(dev))
+                    print("usb device:", dev.info)
                     print(dev.fn)
                     self.devices.append(dev)
             except KeyError as err:
@@ -41,16 +45,24 @@ class TypingPool(Bureau):
 
         # if we don't have any active KB so tell the user to config one
         if "active" in self.config:
-            # TODO: better error handling here
-            self.active_devices = list(map(evdev.InputDevice,
-                                  self.config["active"]["devices"].split()))
+            # self.active_devices = list(map(evdev.InputDevice,
+            #                      self.config["active"]["devices"].split()))
+            cfg_devs = self.config["active"]["devices"].split()
+            print("trying to grab keyboard devs:", cfg_devs)
+            print("device index", devindex)
+            for dev in cfg_devs:
+                if dev in devindex:
+                    self.active_devices.append(devindex[dev])
+
         else:
             print("you need to configure input hardware!")
             print("add one of the following devices to TY.ini under [active]")
-            print("  devices = /dev/usb/kb1 /dev/input/whatever")
+            print("  devices = 0c45:7403 ")
         print("available keyboard devices:")
         for dev in self.devices:
-            print(dev.fn, ":", dev.name, dev.info)
+            print(dev.fn, ":", dev.name,
+                  format(dev.info.vendor, '04x') + ":" +
+                  format(dev.info.product, '04x'))
 
     def run_io(self):
         val = ""