214 lines
9.0 KiB
Python
214 lines
9.0 KiB
Python
import os
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import re
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import time
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import discord
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import sound
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from discord.ext import commands
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from main import write_config_file
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from subprocess import Popen, PIPE
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class Bot(commands.Bot):
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def __init__(self, **kwargs): # bot_token, device_id, device_name, command_prefix='>!'):
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if 'command_prefix' not in kwargs.keys():
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kwargs['command_prefix'] = '>!'
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commands.Bot.__init__(self, command_prefix=commands.when_mentioned_or(kwargs['command_prefix']),
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activity=discord.Game(name=f"@me"), status=discord.Status.idle)
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self.DEVICE_ID = kwargs['Device_ID']
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self.DEVICE_NAME = kwargs['Device_Name']
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self.BOT_TOKEN = kwargs['Token']
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self.Default_Channel_ID = kwargs['Channel_ID']
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self.Default_Mention_Group = kwargs['Mention_Group']
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self.Devices_List = sound.query_devices().items()
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# Init radio parameters
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self.freq = "104.7M"
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self.freq_re = re.compile('(\d+\.?\d*M)')
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self.mode = "wbfm"
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self.gain = 40
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self.squelch = 0
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self.sample_rate = ""
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self.sample_rate_re = re.compile('(\d+\.?\d*k)')
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# Init SDR Variables
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self.sdr_process = None
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self.system_os_type = None
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self.sdr_output_process = None
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self.sdr_started = False
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# Set linux or windows
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self.check_os_type()
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self.add_commands()
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self.check_for_modules()
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def start_bot(self):
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self.run(self.BOT_TOKEN)
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def add_commands(self):
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@self.command(help="Use this to test if the bot is alive", brief="Sends a 'pong' in response")
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async def ping(ctx):
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await ctx.send('pong')
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@self.command(help="Use this command to join the bot to your channel",
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brief="Joins the voice channel that the caller is in")
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async def join(ctx, *, member: discord.Member = None):
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member = member or ctx.author.display_name
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await self.wait_until_ready()
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discord.opus.load_opus('./opus/libopus.so')
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if discord.opus.is_loaded():
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stream = sound.PCMStream()
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channel = ctx.author.voice.channel
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await ctx.send(f"Ok {member}, I'm joining {channel}")
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stream.change_device(self.DEVICE_ID)
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voice_connection = await channel.connect()
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voice_connection.play(discord.PCMAudio(stream))
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self.start_sdr()
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await self.change_presence(activity=discord.Activity(type=discord.ActivityType.listening,
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name="the airwaves"),
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status=discord.Status.online)
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else:
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await ctx.send("Opus won't load")
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@self.command(help="Use this command to have the bot leave your channel",
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brief="Leaves the current voice channel")
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async def leave(ctx):
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await ctx.voice_client.disconnect()
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await self.change_presence(activity=discord.Game(name=f"@me"), status=discord.Status.idle)
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@self.command(name='chfreq', help="Use this command to change the frequency the bot is listening to. Note: 'M'"
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"is required\nExmple command: '@ chfreq <['fm', 'wbfm']> <xxx.xxxM>",
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brief="Changes radio frequency")
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async def chfreq(ctx, mode: str, freq: str, member: discord.Member = None):
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possible_modes = ['wbfm', 'fm']
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member = member or ctx.author.display_name
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if self.freq_re.search(freq):
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self.freq = freq
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if mode in possible_modes:
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self.mode = mode
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await ctx.send(f"Ok {member}, I have changed the mode to {self.mode} and frequency to {self.freq}")
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if self.sdr_started:
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self.start_sdr()
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else:
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await ctx.send(f"{member}, {mode} is not valid. You may only enter 'fm' or 'wbfm'")
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else:
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await ctx.send(f"{member}, {freq} is not valid. please refer to the help page '@ help chfreq'")
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@self.command(name='chsquelch', help="Use this command to change the squelch for the frequency"
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"the bot is listening to",
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brief="Changes radio squelch")
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async def chsquelch(ctx, squelch: int, member: discord.Member = None):
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member = member or ctx.author.display_name
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self.squelch = squelch
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await ctx.send(f"Ok {member}, I have changed the squelch to {self.squelch}")
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if self.sdr_started:
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self.start_sdr()
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@self.command(name='chgain', help="Use this command to change the radio gain for the bot",
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brief="Changes radio gain")
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async def chgain(ctx, gain: int, member: discord.Member = None):
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member = member or ctx.author.display_name
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self.gain = gain
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await ctx.send(f"Ok {member}, I have changed the gain to {self.gain}")
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if self.sdr_started:
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self.start_sdr()
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@self.command(name='chbw', help="Use this command to change the center frequency bandwidth for the bot."
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"Note: 'k' is required\nExample Command: '@ chbw <xxx.xxk'",
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brief="Changes radio bandwidth")
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async def chbw(ctx, sample_rate: str, member: discord.Member = None):
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member = member or ctx.author.display_name
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if self.sample_rate_re.search(sample_rate):
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self.sample_rate = sample_rate
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await ctx.send(f"Ok {member}, I have changed the sample rate to {self.sample_rate}")
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if self.sdr_started:
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self.start_sdr()
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else:
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await ctx.send(f"{member}, {sample_rate} is not valid. please refer to the help page '@ help chbw'")
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@self.command(name='reload', hidden=True)
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async def _reload(ctx, module: str, member: discord.Member = None):
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"""Reloads a module."""
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member = member or ctx.author.display_name
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if self.reload_modules(module):
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await ctx.send(f"Ok {member}, I reloaded {module}")
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else:
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await ctx.send(f"{member}, something went wrong. Please check the console")
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@self.command(name='startsdr', hidden=True)
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async def _startsdr(ctx, input_freq: str, member: discord.Member = None):
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member = member or ctx.author.display_name
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self.start_sdr()
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def check_device(self):
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for device, index in self.Devices_List:
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if int(index) == self.DEVICE_ID and str(device) == self.DEVICE_NAME:
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return True
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for device, index in self.Devices_List:
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if str(device) == self.DEVICE_NAME:
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self.DEVICE_ID = int(index)
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return True
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else:
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return False
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def check_for_modules(self):
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for folder_name in os.listdir("modules"):
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if str(folder_name)[0] == '.':
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continue
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elif os.path.exists(os.path.join("modules", folder_name, "cog.py")):
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print(f"Loaded extension: {folder_name}")
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self.load_extension(f"modules.{folder_name}.cog")
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def reload_modules(self, module):
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try:
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self.unload_extension(f"modules.{module}.cog")
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print(f"Unloaded {module}")
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self.load_extension(f"modules.{module}.cog")
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print(f"Loaded {module}")
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return True
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except Exception as e:
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print(e)
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return False
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def check_os_type(self):
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if os.name == 'nt':
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self.system_os_type = 'Windows'
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else:
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self.system_os_type = 'Linux'
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def start_sdr(self):
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if type(self.freq) == str:
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# Single freq sent
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# Wait for the running processes to close
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if self.sdr_started:
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while self.sdr_process.poll() is None and self.sdr_output_process.poll() is None:
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self.sdr_process.terminate()
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self.sdr_process.kill()
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time.sleep(1)
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self.sdr_output_process.terminate()
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self.sdr_output_process.kill()
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time.sleep(1)
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self.sdr_started = False
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# Start the radio
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print(f"Starting freq: {self.freq}")
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self.sdr_process = Popen(["rtl_fm", "-M", str(self.mode), "-f", str(self.freq), "-g", str(self.gain),
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"-l", str(self.squelch), "-s", str(self.sample_rate)],
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stdout=PIPE)
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self.sdr_output_process = Popen(["play", "-t", "raw", "-r", "32k", "-es", "-b", "16", "-c", "1", "-V1", "-"],
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stdin=self.sdr_process.stdout)
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self.sdr_started = True
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