srd: Properly use append() for appending to lists.

This is not only the canonical way to do it, it's also quite a bit faster
and less memory-intensive than using '+='.

5 files changed, 10 insertions, 9 deletions

diff --git a/decoders/ebr30a_i2c_demux/ebr30a_i2c_demux.py b/decoders/ebr30a_i2c_demux/ebr30a_i2c_demux.py
index 1a52fb8..50a1dbe 100644
--- a/decoders/ebr30a_i2c_demux/ebr30a_i2c_demux.py
+++ b/decoders/ebr30a_i2c_demux/ebr30a_i2c_demux.py
@@ -67,7 +67,7 @@ class Decoder(srd.Decoder):
         cmd, databyte, ack_bit = data
 
         # Add the I2C packet to our local cache.
-        self.packets += [[ss, es, data]]
+        self.packets.append([ss, es, data])
 
         if cmd in ('ADDRESS READ', 'ADDRESS WRITE'):
             # print(hex(databyte))
diff --git a/decoders/i2cdemux/i2cdemux.py b/decoders/i2cdemux/i2cdemux.py
index a597188..c4c0d3b 100644
--- a/decoders/i2cdemux/i2cdemux.py
+++ b/decoders/i2cdemux/i2cdemux.py
@@ -60,7 +60,7 @@ class Decoder(srd.Decoder):
         cmd, databyte, ack = data
 
         # Add the I2C packet to our local cache.
-        self.packets += [[ss, es, data]]
+        self.packets.append([ss, es, data])
 
         if cmd in ('ADDRESS READ', 'ADDRESS WRITE'):
             if databyte in self.slaves:
@@ -68,9 +68,9 @@ class Decoder(srd.Decoder):
                 return
 
             # We're never seen this slave, add a new stream.
-            self.slaves += [databyte]
-            self.out_proto += [self.add(srd.OUTPUT_PROTO,
-                               'i2c-%s' % hex(databyte))]
+            self.slaves.append(databyte)
+            self.out_proto.append(self.add(srd.OUTPUT_PROTO,
+                                  'i2c-%s' % hex(databyte)))
             self.stream = self.streamcount
             self.streamcount += 1
         elif cmd == 'STOP':
diff --git a/decoders/mlx90614/mlx90614.py b/decoders/mlx90614/mlx90614.py
index f50e568..4fa8a0d 100644
--- a/decoders/mlx90614/mlx90614.py
+++ b/decoders/mlx90614/mlx90614.py
@@ -69,10 +69,10 @@ class Decoder(srd.Decoder):
             self.state = 'GET TEMPERATURE'
         elif self.state == 'GET TEMPERATURE':
             if len(self.data) == 0:
-                self.data += [databyte]
+                self.data.append(databyte)
                 self.ss = ss
             elif len(self.data) == 1:
-                self.data += [databyte]
+                self.data.append(databyte)
                 self.es = es
             else:
                 kelvin = (self.data[0] | (self.data[1] << 8)) * 0.02
diff --git a/decoders/mx25lxx05d/mx25lxx05d.py b/decoders/mx25lxx05d/mx25lxx05d.py
index 801ab80..fa05205 100644
--- a/decoders/mx25lxx05d/mx25lxx05d.py
+++ b/decoders/mx25lxx05d/mx25lxx05d.py
@@ -210,7 +210,7 @@ class Decoder(srd.Decoder):
             self.putx([0, ['%s ID' % d]])
         elif self.cmdstate == 6:
             # Byte 6: Slave sends device ID (or manufacturer ID).
-            self.ids += [miso]
+            self.ids.append(miso)
             d = 'Manufacturer' if self.manufacturer_id_first else 'Device'
             self.putx([0, ['%s ID' % d]])
         else:
diff --git a/decoders/transitioncounter/transitioncounter.py b/decoders/transitioncounter/transitioncounter.py
index 4b458b2..44dda48 100644
--- a/decoders/transitioncounter/transitioncounter.py
+++ b/decoders/transitioncounter/transitioncounter.py
@@ -96,7 +96,8 @@ class Decoder(srd.Decoder):
         # TODO: How to only output something after the last chunk of data?
         outdata = []
         for i in range(self.channels):
-            outdata += [[self.transitions[i], self.rising[i], self.falling[i]]]
+            outdata.append([self.transitions[i], self.rising[i],
+                            self.falling[i]])
 
         if outdata != []:
             # self.put(0, 0, self.out_proto, out_proto)