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#!/usr/bin/env python3
#
# Standalone signaling server for the Nextcloud Spreed app.
# Copyright (C) 2019 struktur AG
#
# @author Joachim Bauch <bauch@struktur.de>
#
# @license GNU AGPL version 3 or any later version
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU Affero General Public License as published by
# the Free Software Foundation, either version 3 of the License, 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 Affero General Public License for more details.
#
# You should have received a copy of the GNU Affero General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
#
try:
# Fallback for Python2
from cStringIO import StringIO
except ImportError:
from io import StringIO
import csv
import subprocess
import sys
URL = 'https://raw.githubusercontent.com/datasets/country-codes/refs/heads/main/data/country-codes.csv'
def tostr(s):
if isinstance(s, bytes) and not isinstance(s, str):
s = s.decode('utf-8')
return s
try:
unicode
except NameError:
# Python 3 files are returning bytes by default.
def opentextfile(filename, mode):
if 'b' in mode:
mode = mode.replace('b', '')
return open(filename, mode, encoding='utf-8')
else:
def opentextfile(filename, mode):
return open(filename, mode)
def country_fallback(entry):
country = entry['ISO3166-1-Alpha-3']
if not country:
return ''
if country == 'NAM':
# Special case for Namibia
return 'NA'
else:
return ''
def continent_fallback(entry):
country = entry['ISO3166-1-Alpha-2']
if not country:
return ''
region = entry['Region Name']
assert region == 'Americas', 'Unknown entry: %r' % (entry)
return 'NA'
def generate_map(filename):
data = subprocess.check_output([
'curl',
'-L',
URL,
])
reader = csv.DictReader(StringIO(tostr(data)), delimiter=',')
continents = {}
for entry in reader:
country = entry['ISO3166-1-Alpha-2'] or country_fallback(entry)
continent = entry['Continent'] or continent_fallback(entry)
if not country or not continent:
continue
continents.setdefault(country, []).append(continent)
out = StringIO()
out.write('package signaling\n')
out.write('\n')
out.write('// This file has been automatically generated, do not modify.\n')
out.write('// Source: %s\n' % (URL))
out.write('\n')
out.write('var (\n')
out.write('\tContinentMap = map[string][]string{\n')
for country, continents in sorted(continents.items()):
value = []
for continent in continents:
continent = '"%s"' % (continent)
if not continent in value:
value.append(continent)
out.write('\t\t"%s": {%s},\n' % (country, ', '.join(value)))
out.write('\t}\n')
out.write(')\n')
with opentextfile(filename, 'wb') as fp:
fp.write(out.getvalue())
def main():
if len(sys.argv) != 2:
sys.stderr.write('USAGE: %s <filename>\n' % (sys.argv[0]))
sys.exit(1)
filename = sys.argv[1]
generate_map(filename)
if __name__ == '__main__':
main()
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