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Updated icao24.db, improved python scripts. (#1013)

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updated icao24.db
improved icao24.db generation speed ( a few second, instead of an hour)
small fixes
This commit is contained in:
ArjanOnwezen
2023-05-19 22:02:24 +02:00
committed by GitHub
parent 4d3f9a8333
commit 6aff53f184
5 changed files with 469613 additions and 409611 deletions
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37
firmware/tools/make_airlines_db/make_airlines_db.py
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@@ -1,5 +1,4 @@
#!/usr/bin/env python3
# Copyright (C) 2021 ArjanOnwezen
#
# This program is free software; you can redistribute it and/or modify
@@ -17,7 +16,6 @@
# the Free Software Foundation, Inc., 51 Franklin Street,
# Boston, MA 02110-1301, USA.
#
# -------------------------------------------------------------------------------------
# Create airline.db, used for ADS-B receiver application, using
# https://raw.githubusercontent.com/kx1t/planefence-airlinecodes/main/airlinecodes.txt
@@ -28,27 +26,22 @@ import unicodedata
icao_codes=bytearray()
airlines_countries=bytearray()
row_count=0
database=open("airlines.db", "wb")
with open('airlinecodes.txt', 'rt') as csv_file:
sorted_lines=sorted(csv_file.readlines())
for row in csv.reader(sorted_lines, quotechar='"', delimiter=',', quoting=csv.QUOTE_ALL, skipinitialspace=True):
icao_code=row[0]
# Normalize some unicode characters
airline=unicodedata.normalize('NFKD', row[1][:32]).encode('ascii', 'ignore')
country=unicodedata.normalize('NFKD', row[3][:32]).encode('ascii', 'ignore')
if len(icao_code) == 3 :
airline_padding=bytearray()
country_padding=bytearray()
print(icao_code,' - ', airline,' - ', country)
icao_codes=icao_codes+bytearray(icao_code+'\0', encoding='ascii')
airline_padding=bytearray('\0' * (32 - len(airline)), encoding='ascii')
country_padding=bytearray('\0' * (32 - len(country)), encoding='ascii')
airlines_countries=airlines_countries+bytearray(airline+airline_padding+country+country_padding)
row_count+=1
with open('airlinecodes.txt', 'rt', encoding="utf-8") 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):
icao_code=row[0]
# Normalize some unicode characters
airline=unicodedata.normalize('NFKD', row[1][:32]).encode('ascii', 'ignore')
country=unicodedata.normalize('NFKD', row[3][:32]).encode('ascii', 'ignore')
if len(icao_code) == 3 :
airline_padding=bytearray()
country_padding=bytearray()
icao_codes=icao_codes+bytearray(icao_code+'\0', encoding='ascii')
airline_padding=bytearray('\0' * (32 - len(airline)), encoding='ascii')
country_padding=bytearray('\0' * (32 - len(country)), encoding='ascii')
airlines_countries=airlines_countries+bytearray(airline+airline_padding+country+country_padding)
row_count+=1
database.write(icao_codes+airlines_countries)
print("Total of", row_count, "ICAO codes stored in database")