Added IRC skeleton, serial comms improved, starting to add TCP interfacing still
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@ -13,8 +13,8 @@ Reading device packets over serial or TCP allows you to see the decoded data eas
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The goal is to experiment with the possibilities of Python as a means of interfacing with a Meshtastic device, playing with basic I/O operations, etc. My first project is going to be a relay for IRC & Meshtastic to communicate.
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#### Stay tuned!
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## Updates
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- Threw in an IRC skeleton where the serial controller will interface with. Will have to consider how handle asyncronous comms over serial...
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___
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###### Mirrors for this repository: [acid.vegas](https://git.acid.vegas/meshtastic) • [SuperNETs](https://git.supernets.org/acidvegas/meshtastic) • [GitHub](https://github.com/acidvegas/meshtastic) • [GitLab](https://gitlab.com/acidvegas/meshtastic) • [Codeberg](https://codeberg.org/acidvegas/meshtastic)
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291
meshirc.py
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291
meshirc.py
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#!/usr/bin/env python
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# meshtastic irc relay - developed by acidvegas in python (https://git.acid.vegas/meshtastic)
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import argparse
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import asyncio
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import logging
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import logging.handlers
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import ssl
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import time
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# Formatting Control Characters / Color Codes
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bold = '\x02'
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italic = '\x1D'
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underline = '\x1F'
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reverse = '\x16'
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reset = '\x0f'
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white = '00'
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black = '01'
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blue = '02'
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green = '03'
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red = '04'
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brown = '05'
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purple = '06'
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orange = '07'
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yellow = '08'
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light_green = '09'
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cyan = '10'
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light_cyan = '11'
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light_blue = '12'
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pink = '13'
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grey = '14'
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light_grey = '15'
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def color(msg: str, foreground: str, background: str = None) -> str:
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'''
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Color a string with the specified foreground and background colors.
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:param msg: The string to color.
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:param foreground: The foreground color to use.
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:param background: The background color to use.
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'''
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return f'\x03{foreground},{background}{msg}{reset}' if background else f'\x03{foreground}{msg}{reset}'
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def ssl_ctx(verify: bool = False, cert_path: str = None, cert_pass: str = None) -> ssl.SSLContext:
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'''
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Create a SSL context for the connection.
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:param verify: Verify the SSL certificate.
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:param cert_path: The path to the SSL certificate.
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:param cert_pass: The password for the SSL certificate.
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'''
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ctx = ssl.create_default_context() if verify else ssl._create_unverified_context()
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if cert_path:
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ctx.load_cert_chain(cert_path) if not cert_pass else ctx.load_cert_chain(cert_path, cert_pass)
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return ctx
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class Bot():
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def __init__(self):
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self.nickname = 'MESHTASTIC'
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self.username = 'MESHT' # MESHT@STIC
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self.realname = 'git.acid.vegas/meshtastic'
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self.connected = False
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self.reader = None
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self.writer = None
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self.last = time.time()
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async def action(self, chan: str, msg: str):
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'''
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Send an ACTION to the IRC server.
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:param chan: The channel to send the ACTION to.
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:param msg: The message to send to the channel.
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'''
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await self.sendmsg(chan, f'\x01ACTION {msg}\x01')
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async def raw(self, data: str):
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'''
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Send raw data to the IRC server.
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:param data: The raw data to send to the IRC server. (512 bytes max including crlf)
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'''
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await self.writer.write(data[:510].encode('utf-8') + b'\r\n')
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async def sendmsg(self, target: str, msg: str):
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'''
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Send a PRIVMSG to the IRC server.
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:param target: The target to send the PRIVMSG to. (channel or user)
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:param msg: The message to send to the target.
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'''
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await self.raw(f'PRIVMSG {target} :{msg}')
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async def connect(self):
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'''Connect to the IRC server.'''
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while True:
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try:
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options = {
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'host' : args.server,
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'port' : args.port,
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'limit' : 1024,
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'ssl' : ssl_ctx() if args.ssl else None,
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'family' : 10 if args.v6 else 2,
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'local_addr' : args.vhost if args.vhost else None # Can we just leave this as args.vhost?
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}
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self.reader, self.writer = await asyncio.wait_for(asyncio.open_connection(**options), 15)
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if args.password:
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await self.raw('PASS ' + args.password)
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await self.raw(f'USER {self.username} 0 * :{self.realname}')
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await self.raw('NICK ' + self.nickname)
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while not self.reader.at_eof():
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data = await asyncio.wait_for(self.reader.readuntil(b'\r\n'), 300)
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await self.handle(data.decode('utf-8').strip())
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except Exception as ex:
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logging.error(f'failed to connect to {args.server} ({str(ex)})')
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finally:
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await asyncio.sleep(15)
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async def eventPRIVMSG(self, data: str):
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'''
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Handle the PRIVMSG event.
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:param data: The data received from the IRC server.
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'''
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parts = data.split()
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ident = parts[0][1:]
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nick = parts[0].split('!')[0][1:]
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target = parts[2]
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msg = ' '.join(parts[3:])[1:]
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if target == self.nickname:
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if ident == 'acidvegas!stillfree@big.dick.acid.vegas':
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if msg.startswith('!raw') and len(msg.split()) > 1:
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option = ' '.join(msg.split()[1:])
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await self.raw(option)
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else:
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await self.sendmsg(nick, 'Do NOT message me!')
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if target.startswith('#'):
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if msg.startswith('!'):
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if time.time() - self.last < 3:
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if not self.slow:
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self.slow = True
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await self.sendmsg(target, color('Slow down nerd!', red))
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else:
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self.slow = False
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if msg == '!help':
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await self.action(target, 'explodes')
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elif msg == '!ping':
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await self.sendmsg(target, 'Pong!')
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elif msg.startswith('!say') and len(msg.split()) > 1: # Only allow !say if there is something to say
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option = ' '.join(msg.split()[1:]) # Everything after !say is stored here
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await self.sendmsg(target, option)
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self.last = time.time() # Update the last command time if it starts with ! character to prevent command flooding
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async def eventConnect(self):
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'''Callback function for radio connection established.'''
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self.connected = True
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await self.action(args.channel, 'connected to the radio!')
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async def eventDisconnect():
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'''Callback function for radio connection lost.'''
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self.connected = False
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await self.action(args.channel, 'disconnected from the radio!')
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async def handle(self, data: str):
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'''
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Handle the data received from the IRC server.
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:param data: The data received from the IRC server.
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'''
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logging.info(data)
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try:
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parts = data.split()
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if data.startswith('ERROR :Closing Link:'):
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raise Exception('BANNED')
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if parts[0] == 'PING':
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await self.raw('PONG ' + parts[1])
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elif parts[1] == '001': # RPL_WELCOME
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await self.raw(f'MODE {self.nickname} +B')
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await self.sendmsg('NickServ', f'IDENTIFY {self.nickname} simps0nsfan420')
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await asyncio.sleep(10)
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await self.raw(f'JOIN {args.channel} {args.key if args.key else ""}')
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elif parts[1] == '433': # ERR_NICKNAMEINUSE
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self.nickname += '_' # revamp this to be more unique
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await self.raw('NICK ' + self.nickname)
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elif parts[1] == 'INVITE':
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target = parts[2]
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chan = parts[3][1:]
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if target == self.nickname and chan == args.channel:
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await self.raw(f'JOIN {chan}')
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elif parts[1] == 'KICK':
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chan = parts[2]
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kicked = parts[3]
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if kicked == self.nickname and chan == args.channel:
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await asyncio.sleep(3)
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await self.raw(f'JOIN {args.channel} {args.key if args.key else ""}')
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elif parts[1] == 'PRIVMSG':
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await self.eventPRIVMSG(data) # We put this in a separate function since it will likely be the most used/handled event
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except (UnicodeDecodeError, UnicodeEncodeError):
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pass
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except Exception as ex:
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logging.exception(f'Unknown error has occured! ({ex})')
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def setup_logger(log_filename: str, to_file: bool = False):
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'''
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Set up logging to console & optionally to file.
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:param log_filename: The filename of the log file
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:param to_file: Whether or not to log to a file
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'''
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sh = logging.StreamHandler()
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sh.setFormatter(logging.Formatter('%(asctime)s | %(levelname)9s | %(message)s', '%I:%M %p'))
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if to_file:
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fh = logging.handlers.RotatingFileHandler(log_filename+'.log', maxBytes=250000, backupCount=3, encoding='utf-8') # Max size of 250KB, 3 backups
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fh.setFormatter(logging.Formatter('%(asctime)s | %(levelname)9s | %(filename)s.%(funcName)s.%(lineno)d | %(message)s', '%Y-%m-%d %I:%M %p')) # We can be more verbose in the log file
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logging.basicConfig(level=logging.NOTSET, handlers=(sh,fh))
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else:
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logging.basicConfig(level=logging.NOTSET, handlers=(sh,))
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if __name__ == '__main__':
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parser = argparse.ArgumentParser(description='Connect to an IRC server.')
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parser.add_argument('server', help='The IRC server address.')
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parser.add_argument('channel', help='The IRC channel to join.')
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parser.add_argument('--password', help='The password for the IRC server.')
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parser.add_argument('--port', type=int, help='The port number for the IRC server.')
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parser.add_argument('--ssl', action='store_true', help='Use SSL for the connection.')
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parser.add_argument('--v4', action='store_true', help='Use IPv4 for the connection.')
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parser.add_argument('--v6', action='store_true', help='Use IPv6 for the connection.')
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parser.add_argument('--key', default='', help='The key (password) for the IRC channel, if required.')
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parser.add_argument('--vhost', help='The VHOST to use for connection.')
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args = parser.parse_args()
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if not args.channel.startswith('#'):
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channel = '#' + args.channel
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if not args.port:
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args.port = 6697 if args.ssl else 6667
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print(f'Connecting to {args.server}:{args.port} (SSL: {args.ssl}) and joining {args.channel} (Key: {args.key or 'None'})')
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setup_logger('skeleton', to_file=True)
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bot = Bot()
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asyncio.run(bot.connect())
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@ -64,6 +64,10 @@ class Meshtastic(object):
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# Initialize the Meshtastic interface
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self.interface = SerialInterface(self.serial)
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# Interface over TCP instead of serial:
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#from meshtastic.tcp_interface import TCPInterface
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#self.interface = TCPInterface(args.tcp)
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logging.info('Meshtastic interface started over serial on {self.serial}')
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# Get the current node information
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@ -160,6 +164,7 @@ class Meshtastic(object):
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if __name__ == '__main__':
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parser = argparse.ArgumentParser(description='Meshtastic Interface')
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parser.add_argument('--serial', default='/dev/ttyACM0', help='Use serial interface')
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parser.add_argument('--tcp', default='meshtastic.local'. help='Use TCP interface')
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args = parser.parse_args()
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# Define the Meshtastic client
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