joachim/openwebrx-clone
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prevent KeyError by checking for key existence

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This commit is contained in:
Jakob Ketterl 2020-12-30 17:46:13 +01:00
parent f4b9decd23
commit 341b94b9ff
1 changed files with 40 additions and 29 deletions
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21
owrx/dsp.py
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@ -28,7 +28,9 @@ class DspManager(csdr.output, SdrSourceEventClient):
self.props = PropertyStack()
# local demodulator properties not forwarded to the sdr
self.props.addLayer(0, PropertyLayer().filter(
self.props.addLayer(
0,
PropertyLayer().filter(
"output_rate",
"hd_output_rate",
"squelch_level",
@ -39,9 +41,12 @@ class DspManager(csdr.output, SdrSourceEventClient):
"mod",
"secondary_offset_freq",
"dmr_filter",
))
),
)
# properties that we inherit from the sdr
self.props.addLayer(1, self.sdrSource.getProps().filter(
self.props.addLayer(
1,
self.sdrSource.getProps().filter(
"audio_compression",
"fft_compression",
"digimodes_fft_size",
@ -56,7 +61,8 @@ class DspManager(csdr.output, SdrSourceEventClient):
"start_mod",
"start_freq",
"wfm_deemphasis_tau",
))
),
)
self.dsp = csdr.dsp(self)
self.dsp.nc_port = self.sdrSource.getPort()
@ -72,7 +78,12 @@ class DspManager(csdr.output, SdrSourceEventClient):
self.dsp.set_bpf(*bpf)
def set_dial_freq(changes):
if self.props["center_freq"] is None or self.props["offset_freq"] is None:
if (
"center_freq" not in self.props
or self.props["center_freq"] is None
or "offset_freq" not in self.props
or self.props["offset_freq"] is None
):
return
freq = self.props["center_freq"] + self.props["offset_freq"]
for parser in self.parsers.values():