qrm2/exts/morse.py

85 lines
2.8 KiB
Python

"""
Morse Code extension for qrm
---
Copyright (C) 2019-2021 classabbyamp, 0x5c
SPDX-License-Identifier: LiLiQ-Rplus-1.1
"""
import json
import discord.ext.commands as commands
import common as cmn
class MorseCog(commands.Cog):
def __init__(self, bot: commands.Bot):
self.bot = bot
with open(cmn.paths.resources / "morse.1.json") as file:
d = json.load(file)
self.morse: dict[str, str] = d["morse"]
self.ascii: dict[str, int] = d["ascii"]
@commands.command(name="morse", aliases=["cw"], category=cmn.Cats.CODES)
async def _morse(self, ctx: commands.Context, *, msg: str):
"""Converts ASCII to international morse code."""
result = ""
for char in msg.upper():
try:
result += self.morse[char]
except KeyError:
result += "<?>"
result += " "
embed = cmn.embed_factory(ctx)
embed.title = f"Morse Code for {msg}"
embed.description = "**" + result + "**"
embed.colour = cmn.colours.good
await ctx.send(embed=embed)
@commands.command(name="unmorse", aliases=["demorse", "uncw", "decw"], category=cmn.Cats.CODES)
async def _unmorse(self, ctx: commands.Context, *, msg: str):
"""Converts international morse code to ASCII."""
result = ""
msg0 = msg
msg = msg.split("/")
msg = [m.split() for m in msg]
for word in msg:
for char in word:
try:
result += self.ascii[char]
except KeyError:
result += "<?>"
result += " "
embed = cmn.embed_factory(ctx)
embed.title = f"ASCII for {msg0}"
embed.description = result
embed.colour = cmn.colours.good
await ctx.send(embed=embed)
@commands.command(name="cwweight", aliases=["weight", "cww"], category=cmn.Cats.CODES)
async def _weight(self, ctx: commands.Context, *, msg: str):
"""Calculates the CW weight of a callsign or message."""
embed = cmn.embed_factory(ctx)
msg = msg.upper()
weight = 0
for char in msg:
try:
cw_char = self.morse[char].replace("-", "==")
weight += len(cw_char) * 2 + 2
except KeyError:
embed.title = "Error in calculation of CW weight"
embed.description = f"Unknown character `{char}` in message"
embed.colour = cmn.colours.bad
await ctx.send(embed=embed)
return
embed.title = f"CW Weight of {msg}"
embed.description = f"The CW weight is **{weight}**"
embed.colour = cmn.colours.good
await ctx.send(embed=embed)
def setup(bot: commands.Bot):
bot.add_cog(MorseCog(bot))