48 lines
1.7 KiB
Python
48 lines
1.7 KiB
Python
import re
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import urllib.request
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from modules.common.module import BotModule
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class MatrixModule(BotModule):
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async def matrix_message(self, bot, room, event):
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args = event.body.split()
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if len(args) == 2 and len(args[1]) == 4:
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icao = args[1].upper()
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notam = self.get_notam(icao)
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await bot.send_text(room, notam)
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else:
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await bot.send_text(room, 'Usage: !notam <icao code>')
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def help(self):
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return ('NOTAM data access (usage: !notam <icao code>) - Currently Finnish airports only')
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# TODO: This handles only finnish airports. Implement support for other countries.
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def get_notam(self, icao):
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if not icao.startswith('EF'):
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return ('Only Finnish airports supported currently, sorry.')
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icao_first_letter = icao[2]
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if icao_first_letter < 'M':
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notam_url = "https://www.ais.fi/ais/bulletins/envfra.htm"
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else:
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notam_url = "https://www.ais.fi/ais/bulletins/envfrm.htm"
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response = urllib.request.urlopen(notam_url)
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lines = response.readlines()
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lines = b''.join(lines)
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lines = lines.decode("ISO-8859-1")
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# Strip EN-ROUTE from end
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lines = lines[0:lines.find('<a name="EN-ROUTE">')]
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startpos = lines.find('<a name="' + icao + '">')
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if startpos > -1:
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endpos = lines.find('<h3>', startpos)
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if endpos == -1:
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endpos = len(lines)
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notam = lines[startpos:endpos]
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notam = re.sub('<[^<]+?>', ' ', notam)
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if len(notam) > 4:
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return notam
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return f'Cannot parse notam for {icao} at {notam_url}'
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