46 lines
1.9 KiB
Python
46 lines
1.9 KiB
Python
from __future__ import absolute_import, division, print_function, \
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unicode_literals
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from django.core.management.base import BaseCommand
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from db.base.models import DemodData, Satellite, Telemetry
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class Command(BaseCommand):
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help = 'Decode Satellite data'
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def add_arguments(self, parser):
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# Positional arguments
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parser.add_argument('satellite_identifiers', nargs='+', metavar='<Satellite Identifier>')
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def handle(self, *args, **options):
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for item in options['satellite_identifiers']:
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satellites = Satellite.objects.all()
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for satellite in satellites:
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if satellite.has_telemetry_decoders:
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data = DemodData.objects.filter(satellite=satellite).filter(payload_decoded='')
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telemetry_decoders = Telemetry.objects.filter(satellite=satellite)
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for obj in data:
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for option in telemetry_decoders:
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decoder_module = 'db.base.decoders.{0}'.format(option.decoder)
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decoder = __import__(decoder_module, fromlist='.')
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with open(obj.payload_frame.path) as fp:
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frame = fp.read()
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try:
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payload_decoded = decoder.decode_payload(
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frame, obj.timestamp, obj.data_id
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)
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except ValueError:
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obj.payload_decoded = ''
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obj.payload_telemetry = None
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obj.save()
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continue
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else:
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obj.payload_decoded = payload_decoded
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obj.payload_telemetry = option
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obj.save()
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break
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