made it work on an old ubuntu laptop

keymapper/data.py

@@ -26,10 +26,21 @@ import os
 import site
 import pkg_resources
 
+from keymapper.logger import logger
+
 
 def get_data_path(filename=''):
     """Depending on the installation prefix, return the data dir."""
+    try:
         source_path = pkg_resources.require('key-mapper')[0].location
+    except pkg_resources.DistributionNotFound as error:
+        # try to check where stuff usually should be
+        logger.debug(error)
+        data_path = '/usr/share/key-mapper'
+        if not os.path.exists(data_path):
+            logger.error('key-mapper data was not properly installed')
+            raise SystemExit(1)
+        return os.path.join('/usr/share/key-mapper', filename)
 
     # depending on where this file is installed to, make sure to use the proper
     # prefix path for data

keymapper/dev/injector.py

@@ -135,7 +135,7 @@ class KeycodeInjector:
         if not needed:
             # skipping reading and checking on events from those devices
             # may be beneficial for performance.
-            logger.debug('No need to grab %s', device.path)
+            logger.debug('No need to grab %s', path)
             return None
 
         attempts = 0

keymapper/getdevices.py

@@ -35,6 +35,15 @@ from keymapper.logger import logger
 _devices = None
 
 
+if not hasattr(evdev.InputDevice, 'path'):
+    # for evdev < 1.0.0 patch the path property
+    @property
+    def path(device):
+        return device.fn
+
+    evdev.InputDevice.path = path
+
+
 class _GetDevices(threading.Thread):
     """Process to get the devices that can be worked with.
 

keymapper/gtk/window.py

@@ -206,7 +206,7 @@ class Window:
         if keycode is None:
             return
 
-        if keycode == 280:
+        if keycode in [280, 333]:
             # disable mapping the left mouse button because it would break
             # the mouse. Also it is emitted right when focusing the row
             # which breaks the current workflow.

keymapper/logger.py

@@ -95,9 +95,13 @@ def is_debug():
 def log_info():
     """Log version and name to the console"""
     # read values from setup.py
+    try:
         version = pkg_resources.require('key-mapper')[0].version
         name = pkg_resources.require('key-mapper')[0].project_name
         logger.info('%s %s', version, name)
+    except pkg_resources.DistributionNotFound as error:
+        logger.info('Could not figure out the version')
+        logger.debug(error)
 
 
 def update_verbosity(debug):