use .get instead of operator []

diff --git a/lib/python/Components/ServiceScan.py b/lib/python/Components/ServiceScan.py
index 5d62426..f2b0c05 100644 (file)
--- a/lib/python/Components/ServiceScan.py
+++ b/lib/python/Components/ServiceScan.py
@@ -53,27 +53,27 @@ class ServiceScan:
                                                        network = sat_name
                                                else:
                                                        network = ("%s %d.%d %s") % (sat_name, orb_pos / 10, orb_pos % 10, h)
-                                               tp_text = ("%s %s %d%c / %d / %s") %( { 0 : "DVB-S", 1 : "DVB-S2" }[tp.system],
-                                                       { 0 : "Auto", 1 : "QPSK", 2 : "M8PSK", 3 : "QAM16" }[tp.modulation],
+                                               tp_text = ("%s %s %d%c / %d / %s") %( { 0 : "DVB-S", 1 : "DVB-S2" }.get(tp.system, 0),
+                                                       { 0 : "Auto", 1 : "QPSK", 2 : "8PSK", 3 : "QAM16" }.get(tp.modulation, 0),
                                                        tp.frequency/1000,
-                                                       { 0 : 'H', 1 : 'V', 2 : 'L', 3 : 'R' }[tp.polarisation],
+                                                       { 0 : 'H', 1 : 'V', 2 : 'L', 3 : 'R' }.get(tp.polarisation, 0),
                                                        tp.symbol_rate/1000,
                                                        { 0 : "AUTO", 1 : "1/2", 2 : "2/3", 3 : "3/4", 4 : "5/6",
                                                         5 : "7/8", 6 : "8/9", 7 : "3/5", 8 : "4/5", 9 : "9/10",
-                                                        15 : "NONE" }[tp.fec] )
+                                                        15 : "NONE" }.get(tp.fec, 0))
                                        elif tp_type == iDVBFrontend.feCable:
                                                network = _("Cable")
                                                tp = transponder.getDVBC()
-                                               tp_text = ("DVB-C %s %d / %d / %s") %( { 0 : "AUTO", 1 : "QAM16", 2 : "QAM32", 3 : "QAM64", 4 : "QAM128", 5 : "QAM256" }[tp.modulation],
+                                               tp_text = ("DVB-C %s %d / %d / %s") %( { 0 : "AUTO", 1 : "QAM16", 2 : "QAM32", 3 : "QAM64", 4 : "QAM128", 5 : "QAM256" }.get(tp.modulation, 0),
                                                        tp.frequency,
                                                        tp.symbol_rate/1000,
-                                                       { 0 : "AUTO", 1 : "1/2", 2 : "2/3", 3 : "3/4", 4 : "5/6", 5 : "7/8", 6 : "8/9", 15 : "NONE" }[tp.fec_inner] )
+                                                       { 0 : "AUTO", 1 : "1/2", 2 : "2/3", 3 : "3/4", 4 : "5/6", 5 : "7/8", 6 : "8/9", 15 : "NONE" }.get(tp.fec_inner, 0))
                                        elif tp_type == iDVBFrontend.feTerrestrial:
                                                network = _("Terrestrial")
                                                tp = transponder.getDVBT()
-                                               tp_text = ("DVB-T %s %d %s") %( { 0 : "QPSK", 1 : "QAM16", 2 : "QAM64", 3 : "AUTO"}[tp.modulation],
+                                               tp_text = ("DVB-T %s %d %s") %( { 0 : "QPSK", 1 : "QAM16", 2 : "QAM64", 3 : "AUTO" }.get(tp.modulation, 3),
                                                        tp.frequency,
-                                                       { 0 : "Bw 8MHz", 1 : "Bw 7MHz", 2 : "Bw 6MHz", 3 : "Bw Auto" }[tp.bandwidth])
+                                                       { 0 : "Bw 8MHz", 1 : "Bw 7MHz", 2 : "Bw 6MHz", 3 : "Bw Auto" }.get(tp.bandwidth, 3))
                                        else:
                                                print "unknown transponder type in scanStatusChanged"
                                self.network.setText(network)