qrm2/exts/image.py

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"""
Image extension for qrm
---
Copyright (C) 2019-2020 Abigail Gold, 0x5c
This file is part of discord-qrm2 and is released under the terms of the GNU
General Public License, version 2.
"""
import io
import aiohttp
import discord
import discord.ext.commands as commands
import common as cmn
class ImageCog(commands.Cog):
def __init__(self, bot: commands.Bot):
self.bot = bot
self.bandcharts = cmn.ImagesGroup(cmn.paths.bandcharts / "meta.json")
self.maps = cmn.ImagesGroup(cmn.paths.maps / "meta.json")
self.session = aiohttp.ClientSession(connector=bot.qrm.connector)
@commands.command(name="bandplan", aliases=['plan', 'bands'], category=cmn.cat.ref)
async def _bandplan(self, ctx: commands.Context, region: str = ''):
'''Posts an image of Frequency Allocations.'''
arg = region.lower()
with ctx.typing():
embed = cmn.embed_factory(ctx)
if arg not in self.bandcharts:
desc = 'Possible arguments are:\n'
for key, img in self.bandcharts.items():
desc += f'`{key}`: {img.name}{(" " + img.emoji if img.emoji else "")}\n'
embed.title = f'Bandplan Not Found!'
embed.description = desc
embed.colour = cmn.colours.bad
await ctx.send(embed=embed)
else:
metadata: cmn.ImageMetadata = self.bandcharts[arg]
img = discord.File(cmn.paths.bandcharts / metadata.filename,
filename=metadata.filename)
if metadata.description:
embed.description = metadata.description
if metadata.source:
embed.add_field(name="Source", value=metadata.source)
embed.title = metadata.long_name + (" " + metadata.emoji if metadata.emoji else "")
embed.colour = cmn.colours.good
embed.set_image(url='attachment://' + metadata.filename)
await ctx.send(embed=embed, file=img)
@commands.command(name="map", category=cmn.cat.maps)
async def _map(self, ctx: commands.Context, map_id: str = ''):
'''Posts an image of a ham-relevant map.'''
arg = map_id.lower()
with ctx.typing():
embed = cmn.embed_factory(ctx)
if arg not in self.maps:
desc = 'Possible arguments are:\n'
for key, img in self.maps.items():
desc += f'`{key}`: {img.name}{(" " + img.emoji if img.emoji else "")}\n'
embed.title = 'Map Not Found!'
embed.description = desc
embed.colour = cmn.colours.bad
await ctx.send(embed=embed)
else:
metadata: cmn.ImageMetadata = self.maps[arg]
img = discord.File(cmn.paths.maps / metadata.filename,
filename=metadata.filename)
if metadata.description:
embed.description = metadata.description
if metadata.source:
embed.add_field(name="Source", value=metadata.source)
embed.title = metadata.long_name + (" " + metadata.emoji if metadata.emoji else "")
embed.colour = cmn.colours.good
embed.set_image(url='attachment://' + metadata.filename)
await ctx.send(embed=embed, file=img)
@commands.command(name="grayline", aliases=['greyline', 'grey', 'gray', 'gl'], category=cmn.cat.maps)
async def _grayline(self, ctx: commands.Context):
'''Posts a map of the current greyline, where HF propagation is the best.'''
gl_url = ('http://www.fourmilab.ch/cgi-bin/uncgi/Earth?img=NOAAtopo.evif'
'&imgsize=320&dynimg=y&opt=-p&lat=&lon=&alt=&tle=&date=0&utc=&jd=')
with ctx.typing():
embed = cmn.embed_factory(ctx)
embed.title = 'Current Greyline Conditions'
embed.colour = cmn.colours.good
async with self.session.get(gl_url) as resp:
if resp.status != 200:
embed.description = 'Could not download file...'
embed.colour = cmn.colours.bad
else:
data = io.BytesIO(await resp.read())
embed.set_image(url=f'attachment://greyline.jpg')
await ctx.send(embed=embed, file=discord.File(data, 'greyline.jpg'))
def setup(bot: commands.Bot):
bot.add_cog(ImageCog(bot))