klippy: Prefer python dictionary comprehension to dict() call

Signed-off-by: Kevin O'Connor <kevin@koconnor.net>

3 files changed, 6 insertions, 6 deletions

diff --git a/klippy/gcode.py b/klippy/gcode.py
index f2a66d88..96caacb7 100644
--- a/klippy/gcode.py
+++ b/klippy/gcode.py
@@ -38,10 +38,10 @@ class GCodeParser:
         if not is_ready:
             handlers = [h for h in handlers
                         if getattr(self, 'cmd_'+h+'_when_not_ready', False)]
-        gcode_handlers = dict((h, getattr(self, 'cmd_'+h)) for h in handlers)
+        gcode_handlers = { h: getattr(self, 'cmd_'+h) for h in handlers }
         for h, f in gcode_handlers.items():
             aliases = getattr(self, 'cmd_'+h+'_aliases', [])
-            gcode_handlers.update(dict([(a, f) for a in aliases]))
+            gcode_handlers.update({ a: f for a in aliases })
         return gcode_handlers
     def stats(self, eventtime):
         return "gcodein=%d" % (self.bytes_read,)
@@ -91,8 +91,8 @@ class GCodeParser:
                 line = line[:cpos]
             # Break command into parts
             parts = self.args_r.split(line)[1:]
-            params = dict((parts[i].upper(), parts[i+1].strip())
-                          for i in range(0, len(parts), 2))
+            params = { parts[i].upper(): parts[i+1].strip()
+                       for i in range(0, len(parts), 2) }
             params['#original'] = origline
             if parts and parts[0].upper() == 'N':
                 # Skip line number at start of command
diff --git a/klippy/klippy.py b/klippy/klippy.py
index 73819f62..58898374 100644
--- a/klippy/klippy.py
+++ b/klippy/klippy.py
@@ -182,7 +182,7 @@ class Printer:
         self.objects['toolhead'] = toolhead.ToolHead(
             self, ConfigWrapper(self, 'printer'))
         # Validate that there are no undefined parameters in the config file
-        valid_sections = dict([(s, 1) for s, o in self.all_config_options])
+        valid_sections = { s: 1 for s, o in self.all_config_options }
         for section in self.fileconfig.sections():
             section = section.lower()
             if section not in valid_sections:
diff --git a/klippy/serialhdl.py b/klippy/serialhdl.py
index 85e3b80e..d6179a4b 100644
--- a/klippy/serialhdl.py
+++ b/klippy/serialhdl.py
@@ -40,7 +40,7 @@ class SerialReader:
             '#output': self.handle_output, 'status': self.handle_status,
             'shutdown': self.handle_output, 'is_shutdown': self.handle_output
         }
-        self.handlers = dict(((k, None), v) for k, v in handlers.items())
+        self.handlers = { (k, None): v for k, v in handlers.items() }
     def _bg_thread(self):
         response = self.ffi_main.new('struct pull_queue_message *')
         while 1: