linting

keymapper/config.py

@@ -84,11 +84,11 @@ class _Config:
         path : string
             For example 'macros.keystroke_sleep_ms'
         """
-        def do(parent, child, chunk):
+        def callback(parent, child, chunk):
             if child is not None:
                 del parent[chunk]
 
-        self._resolve(path, do)
+        self._resolve(path, callback)
 
     def set(self, path, value):
         """Set a config key.
@@ -99,10 +99,10 @@ class _Config:
             For example 'macros.keystroke_sleep_ms'
         value : any
         """
-        def do(parent, child, chunk):
+        def callback(parent, child, chunk):
             parent[chunk] = value
 
-        self._resolve(path, do)
+        self._resolve(path, callback)
 
     def get(self, path, log_unknown=True):
         """Get a config value. If not set, return the default
@@ -114,12 +114,12 @@ class _Config:
         log_unknown : bool
             If True, write an error.
         """
-        def do(parent, child, chunk):
+        def callback(parent, child, chunk):
             return child
 
-        resolved = self._resolve(path, do)
+        resolved = self._resolve(path, callback)
         if resolved is None:
-            resolved = self._resolve(path, do, INITIAL_CONFIG)
+            resolved = self._resolve(path, callback, INITIAL_CONFIG)
 
         if resolved is None and log_unknown:
             logger.error('Unknown config key "%s"', path)

keymapper/daemon.py

@@ -26,7 +26,6 @@ https://github.com/LEW21/pydbus/tree/cc407c8b1d25b7e28a6d661a29f9e661b1c9b964/ex
 
 
 import subprocess
-import sys
 
 from pydbus import SessionBus
 

keymapper/data.py

@@ -40,6 +40,8 @@ def get_data_path(filename=''):
     distros this is somewhat complicated. Ubuntu wants to use /usr/local
     for data_files, but not everything can be placed there.
     """
+    global logged
+
     source_path = None
     try:
         source_path = pkg_resources.require('key-mapper')[0].location
@@ -51,8 +53,6 @@ def get_data_path(filename=''):
     # prefix path for data
     # https://docs.python.org/3/distutils/setupscript.html?highlight=package_data#installing-additional-files # noqa pylint: disable=line-too-long
 
-    global logged
-
     data_path = None
     # python3.8/dist-packages python3.7/site-packages, /usr/share,
     # /usr/local/share, endless options

keymapper/dev/injector.py

@@ -23,7 +23,6 @@
 
 
 import re
-import os
 import asyncio
 import time
 import subprocess
@@ -114,7 +113,7 @@ class KeycodeInjector:
     def _map_codes_to_codes(self):
         """To quickly get target keycodes during operation."""
         _code_to_code = {}
-        for (ev_type, keycode), output in self.mapping:
+        for (_, keycode), output in self.mapping:
             if is_this_a_macro(output):
                 continue
 
@@ -297,7 +296,7 @@ class KeycodeInjector:
             # each device parses the macros with a different handler
             logger.debug('Parsing macros for %s', path)
             macros = {}
-            for (ev_type, keycode), output in self.mapping:
+            for (_, keycode), output in self.mapping:
                 if is_this_a_macro(output):
                     macro = parse(output)
                     if macro is None:

keymapper/dev/keycode_mapper.py

@@ -30,7 +30,7 @@ from keymapper.logger import logger
 from keymapper.dev.ev_abs_mapper import JOYSTICK
 
 
-def should_map_event_as_btn(type, code):
+def should_map_event_as_btn(ev_type, code): 
     """Does this event describe a button.
 
     Especially important for gamepad events, some of the buttons
@@ -38,15 +38,15 @@ def should_map_event_as_btn(type, code):
 
     Parameters
     ----------
-    type : int
+    ev_type : int
         one of evdev.events
     code : int
         linux keycode
     """
-    if type == evdev.events.EV_KEY:
+    if ev_type == evdev.events.EV_KEY:
         return True
 
-    if type == evdev.events.EV_ABS and code not in JOYSTICK:
+    if ev_type == evdev.events.EV_ABS and code not in JOYSTICK:
         return True
 
     return False

keymapper/dev/macros.py

@@ -53,8 +53,7 @@ DEBUG = 6
 
 def is_this_a_macro(output):
     """Figure out if this is a macro."""
-    if '(' in output and ')' in output and len(output) >= 4:
-        return True
+    return '(' in output and ')' in output and len(output) >= 4
 
 
 class _Macro:

keymapper/dev/permissions.py

@@ -33,8 +33,8 @@ from keymapper.paths import USER
 def can_read_devices():
     """If the people ever looks into the console, make sure to help them."""
     is_root = getpass.getuser() == 'root'
-    is_in_input_group = USER in grp.getgrnam('input').gr_mem
-    is_in_plugdev_group = USER in grp.getgrnam('plugdev').gr_mem
+    is_input = USER in grp.getgrnam('input').gr_mem
+    is_plugdev = USER in grp.getgrnam('plugdev').gr_mem
 
     # ubuntu. funnily, individual devices in /dev/input/ have write permitted.
     can_write = os.access('/dev/uinput', os.W_OK)
@@ -50,9 +50,9 @@ def can_read_devices():
         )
 
     if not is_root:
-        if not is_in_plugdev_group:
+        if not is_plugdev:
             warn('plugdev')
-        if not is_in_input_group:
+        if not is_input:
             warn('input')
         if not can_write:
             logger.error(
@@ -62,6 +62,6 @@ def can_read_devices():
                 {USER}
             )
 
-    ok = (is_root or (is_in_input_group and is_in_plugdev_group)) and can_write
+    permitted = (is_root or (is_input and is_plugdev)) and can_write
 
-    return ok, is_root, is_in_input_group, is_in_plugdev_group, can_write
+    return permitted, is_root, is_input, is_plugdev, can_write

keymapper/dev/reader.py

@@ -53,6 +53,7 @@ class _KeycodeReader:
         self.stop_reading()
 
     def stop_reading(self):
+        """Stop reading keycodes."""
         if self._pipe is not None:
             logger.debug('Sending close msg to reader')
             self._pipe[0].send(CLOSE)

keymapper/gtk/window.py

@@ -23,9 +23,7 @@
 
 
 import evdev
-import sys
 from evdev.ecodes import EV_KEY
-
 import gi
 gi.require_version('Gtk', '3.0')
 gi.require_version('GLib', '2.0')
@@ -114,8 +112,8 @@ class Window:
         # already visible (without content) to make it look more responsive.
         gtk_iteration()
 
-        ok, _, is_input, is_plugdev, can_write = can_read_devices()
-        if not ok:
+        permitted, _, is_input, is_plugdev, can_write = can_read_devices()
+        if not permitted:
             missing_groups = []
             if not is_input:
                 missing_groups.append('input')
@@ -131,7 +129,7 @@ class Window:
             elif not can_write:
                 self.get('status_bar').push(
                     CTX_ERROR,
-                    f'Insufficient permissions on /dev/uinput'
+                    'Insufficient permissions on /dev/uinput'
                 )
 
         self.populate_devices()

readme/pylint.svg

@@ -1,23 +1,23 @@
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-<svg xmlns="http://www.w3.org/2000/svg" width="73" height="20">
+<svg xmlns="http://www.w3.org/2000/svg" width="80" height="20">
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         <stop offset="0" stop-color="#bbb" stop-opacity=".1"/>
         <stop offset="1" stop-opacity=".1"/>
     </linearGradient>
     <mask id="anybadge_1">
-        <rect width="73" height="20" rx="3" fill="#fff"/>
+        <rect width="80" height="20" rx="3" fill="#fff"/>
     </mask>
     <g mask="url(#anybadge_1)">
         <path fill="#555" d="M0 0h44v20H0z"/>
-        <path fill="#4c1" d="M44 0h29v20H44z"/>
-        <path fill="url(#b)" d="M0 0h73v20H0z"/>
+        <path fill="#4c1" d="M44 0h36v20H44z"/>
+        <path fill="url(#b)" d="M0 0h80v20H0z"/>
     </g>
     <g fill="#fff" text-anchor="middle" font-family="DejaVu Sans,Verdana,Geneva,sans-serif" font-size="11">
         <text x="23.0" y="15" fill="#010101" fill-opacity=".3">pylint</text>
         <text x="22.0" y="14">pylint</text>
     </g>
     <g fill="#fff" text-anchor="middle" font-family="DejaVu Sans,Verdana,Geneva,sans-serif" font-size="11">
-        <text x="59.5" y="15" fill="#010101" fill-opacity=".3">9.7</text>
-        <text x="58.5" y="14">9.7</text>
+        <text x="63.0" y="15" fill="#010101" fill-opacity=".3">9.76</text>
+        <text x="62.0" y="14">9.76</text>
     </g>
 </svg>