mirror of
https://github.com/portapack-mayhem/mayhem-firmware.git
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56 lines
2.5 KiB
Python
56 lines
2.5 KiB
Python
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#!/usr/bin/env python3
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# Copyright (C) 2022 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 mids.db, used for AIS receiver application, using converted Excel file on page:
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# https://www.itu.int/en/ITU-R/terrestrial/fmd/Pages/mid.aspx
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# as a source.
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# MID stands for Marine Identification Digits and can be used to determine conutry of
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# vessel or coastal station.
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# -------------------------------------------------------------------------------------
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import csv
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import re
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import unicodedata
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mid_codes=bytearray()
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countries=bytearray()
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row_count=0
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database=open("mids.db", "wb")
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with open('MaritimeIdentificationDigits.csv', 'rt') as csv_file:
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sorted_lines=sorted(csv_file.readlines())
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for row in csv.reader(sorted_lines, quotechar='"', delimiter=',', quoting=csv.QUOTE_ALL, skipinitialspace=True):
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mid_code=row[0]
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# Normalize some unicode characters
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#unicodedata.normalize('NFKD', row[3][:32]).encode('ascii', 'ignore')
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country=unicodedata.normalize('NFKD', "".join(re.split("\(|\)|\[|\]", row[1].split('-')[-1].replace(" of Great Britain and Northern Ireland" , ""))[::2])).replace("Democratic People's Republic of Korea", "North-Korea").strip().encode('ascii', 'ignore')[:32]
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if len(mid_code) == 3 :
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country_padding=bytearray()
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print(mid_code,' - ', country)
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mid_codes=mid_codes+bytearray(mid_code+'\0', encoding='ascii')
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country_padding=bytearray('\0' * (32 - len(country)), encoding='ascii')
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countries=countries+country+country_padding
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row_count+=1
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database.write(mid_codes+countries)
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print("Total of", row_count, "MID codes stored in database")
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