added module to query comics from xkcd. This module is derived from the apod module.
Signed-off-by: Sebastian Schmittner <sebastian.schmittner@eecc.de>
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import os
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import re
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import html
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import requests
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from nio import AsyncClient, UploadError
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from nio import UploadResponse
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from modules.common.module import BotModule
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from modules.common.exceptions import UploadFailed
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class Xkcd:
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"""
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Uses the XKCD (json) api https://xkcd.com/json.html to fetch web comics and metadata and display them in chats.
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"""
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def __init__(self, title, img, alt, num):
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self.title = title
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self.img = img
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self.alt = alt
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self.num = num
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@staticmethod
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def create_from_json(json):
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return Xkcd(json.get("title"), json.get("img"), json.get("alt"), json.get("num"))
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def __str__(self):
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return "title: {} || explanation: {} || date: {} || original-url: {}".format(self.title,
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self.explanation,
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self.date,
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self.hdurl)
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class MatrixModule(BotModule):
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def __init__(self, name):
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super().__init__(name)
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self.uri_get_latest = 'https://xkcd.com/info.0.json'
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async def matrix_message(self, bot, room, event):
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self.logger.debug(f"room: {room.name} sender: {event.sender} queried the xkcd module with body: {event.body}")
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args = event.body.split()
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if len(args) == 1:
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await self.send_xkcd(bot, room, self.uri_get_latest)
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elif len(args) == 2:
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if args[1] == "help":
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await self.command_help(bot, room)
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else:
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xkcd_id = args[1]
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if re.match("\d+", date) is not None:
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await self.send_xkcd(bot, room, self.uri_get_by_id(xkcd_id))
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else:
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await bot.send_text(room, "Invalid comic id. ids must be positive integers.")
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async def send_xkcd(self, bot, room, uri):
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self.logger.debug(f"send request using uri {uri}")
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response = requests.get(uri)
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if response.status_code != 200:
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self.logger.error("unable to request api. response: [status: %d text: %s]", response.status_code, response.text)
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return await bot.send_text(room, "sorry. something went wrong accessing the api")
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xkcd = Xkcd.create_from_json(response.json())
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self.logger.debug(xkcd)
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img_url = xkcd.img
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try:
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matrix_uri = None
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matrix_uri, mimetype, w, h, size = bot.get_uri_cache(img_url)
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except (TypeError, ValueError):
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self.logger.debug(f"Not found in cache: {img_url}")
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try:
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matrix_uri, mimetype, w, h, size = await bot.upload_image(img_url)
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except (UploadFailed, TypeError, ValueError):
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await bot.send_text(room, f"Something went wrong uploading {apimg_url}.")
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await bot.send_html(room, f"<b>{html.escape(xkcd.title)} ({html.escape(xkcd.num)})</b>", f"{xkcd.title} ({xkcd.num})")
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await bot.send_image(room, matrix_uri, img_url, None, mimetype, w, h, size)
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await bot.send_text(room, f"{xkcd.alt}")
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def uri_get_by_id(self, id):
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return 'https://xkcd.com/' + int(id) + '/info.0.json'
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def help(self):
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return 'Sends latest/any specified XCKD web comic to the room. See https://xkcd.com/ '
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async def command_help(self, bot, room):
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msg = """commands:
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- no arguments: fetch latest xkcd comic
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- (\d+) fetch and display the xkcd comic with the given id
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- help - show command help
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"""
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await bot.send_text(room, msg)
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