mirror of
https://github.com/portapack-mayhem/mayhem-firmware.git
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6aff53f184
updated icao24.db improved icao24.db generation speed ( a few second, instead of an hour) small fixes
48 lines
2.3 KiB
Python
Executable File
48 lines
2.3 KiB
Python
Executable File
#!/usr/bin/env python3
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# Copyright (C) 2021 ArjanOnwezen
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#
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 2, or (at your option)
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# any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program; see the file COPYING. If not, write to
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# the Free Software Foundation, Inc., 51 Franklin Street,
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# Boston, MA 02110-1301, USA.
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#
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# -------------------------------------------------------------------------------------
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# Create airline.db, used for ADS-B receiver application, using
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# https://raw.githubusercontent.com/kx1t/planefence-airlinecodes/main/airlinecodes.txt
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# as a source.
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# -------------------------------------------------------------------------------------
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import csv
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import unicodedata
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icao_codes=bytearray()
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airlines_countries=bytearray()
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row_count=0
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database=open("airlines.db", "wb")
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with open('airlinecodes.txt', 'rt', encoding="utf-8") as csv_file:
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sorted_lines=sorted(csv_file.readlines()[1:])
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for row in csv.reader(sorted_lines, quotechar='"', delimiter=',', quoting=csv.QUOTE_ALL, skipinitialspace=True):
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icao_code=row[0]
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# Normalize some unicode characters
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airline=unicodedata.normalize('NFKD', row[1][:32]).encode('ascii', 'ignore')
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country=unicodedata.normalize('NFKD', row[3][:32]).encode('ascii', 'ignore')
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if len(icao_code) == 3 :
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airline_padding=bytearray()
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country_padding=bytearray()
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icao_codes=icao_codes+bytearray(icao_code+'\0', encoding='ascii')
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airline_padding=bytearray('\0' * (32 - len(airline)), encoding='ascii')
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country_padding=bytearray('\0' * (32 - len(country)), encoding='ascii')
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airlines_countries=airlines_countries+bytearray(airline+airline_padding+country+country_padding)
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row_count+=1
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database.write(icao_codes+airlines_countries)
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print("Total of", row_count, "ICAO codes stored in database")
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