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#!/usr/bin/env python3
# Copyright (C) 2021 ArjanOnwezen
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2, or (at your option)
# any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; see the file COPYING. If not, write to
# the Free Software Foundation, Inc., 51 Franklin Street,
# Boston, MA 02110-1301, USA.
#
# -------------------------------------------------------------------------------------
# Create icao24.db, used for ADS-B receiver application, using
# https://opensky-network.org/datasets/metadata/aircraftDatabase.csv
# as a source.
# -------------------------------------------------------------------------------------
import csv
import unicodedata
icao24_codes=bytearray()
data=bytearray()
row_count=0
database=open("icao24.db", "wb")
with open('aircraftDatabase.csv', 'rt') as csv_file:
sorted_lines=sorted(csv_file.readlines()[1:])
for row in csv.reader(sorted_lines, quotechar='"', delimiter=',', quoting=csv.QUOTE_ALL, skipinitialspace=True):
# only store in case enough info is available
if len(row) == 27 and len(row[0]) == 6 and len(row[1]) > 0:
icao24_code=row[0][:6].upper()
registration=row[1][:8].encode('ascii', 'ignore')
manufacturer=row[3][:32].encode('ascii', 'ignore')
model=row[4][:32].encode('ascii', 'ignore')
# in case icao aircraft type isn't, use ac type like BALL for balloon
if len(row[8]) == 3:
actype=row[8][:3].encode('ascii', 'ignore')
else:
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actype=row[5][:4].encode('ascii', 'ignore')
owner=row[13][:32].encode('ascii', 'ignore')
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operator=row[9][:32].encode('ascii', 'ignore')
#padding
icao24_codes.extend(bytearray(icao24_code+'\0', encoding='ascii'))
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registration_padding=bytearray('\0' * (9 - len(registration)), encoding='ascii')
manufacturer_padding=bytearray('\0' * (33 - len(manufacturer)), encoding='ascii')
model_padding=bytearray('\0' * (33 - len(model)), encoding='ascii')
actype_padding=bytearray('\0' * (5 - len(actype)), encoding='ascii')
owner_padding=bytearray('\0' * (33 - len(owner)), encoding='ascii')
operator_padding=bytearray('\0' * (33 - len(operator)), encoding='ascii')
data.extend(bytearray(registration+registration_padding+manufacturer+manufacturer_padding+model+model_padding+actype+actype_padding+owner+owner_padding+operator+operator_padding))
row_count+=1
database.write(icao24_codes+data)
print("Total of", row_count, "ICAO codes stored in database")