147 lines
5.2 KiB
Python
147 lines
5.2 KiB
Python
import time
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from src import ModuleManager, utils
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import feedparser
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RSS_INTERVAL = 60 # 1 minute
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def _format_entry(feed_title, entry):
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title = entry["title"]
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author = entry.get("author", None)
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author = " by %s" % author if author else ""
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link = entry.get("link", None)
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link = " - %s" % link if link else ""
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feed_title_str = "%s: " % feed_title if feed_title else ""
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return "%s%s%s%s" % (feed_title_str, title, author, link)
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@utils.export("botset", utils.IntSetting("rss-interval",
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"Interval (in seconds) between RSS polls", example="120"))
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class Module(ModuleManager.BaseModule):
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_name = "RSS"
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def on_load(self):
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self.timers.add("rss", self.bot.get_setting("rss-interval",
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RSS_INTERVAL))
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@utils.hook("timer.rss")
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def timer(self, event):
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start_time = time.monotonic()
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self.log.trace("Polling RSS feeds")
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event["timer"].redo()
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hook_settings = self.bot.database.channel_settings.find_by_setting(
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"rss-hooks")
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hooks = {}
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for server_id, channel_name, urls in hook_settings:
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server = self.bot.get_server_by_id(server_id)
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if server and channel_name in server.channels:
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channel = server.channels.get(channel_name)
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for url in urls:
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if not url in hooks:
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hooks[url] = []
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hooks[url].append((server, channel))
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pages = utils.http.request_many(hooks.keys())
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for url, channels in hooks.items():
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if not url in pages:
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# async url get failed
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continue
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feed = feedparser.parse(pages[url].data)
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feed_title = feed["feed"].get("title", None)
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entry_formatted = {}
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for server, channel in channels:
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seen_ids = channel.get_setting("rss-seen-ids-%s" % url, [])
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new_ids = []
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valid = 0
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for entry in feed["entries"][::-1]:
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if entry["id"] in seen_ids:
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new_ids.append(entry["id"])
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continue
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if valid == 3:
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continue
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valid += 1
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if not entry["id"] in entry_formatted:
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output = _format_entry(feed_title, entry)
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entry_formatted[entry["id"]] = output
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else:
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output = entry_formatted[entry["id"]]
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self.events.on("send.stdout").call(target=channel,
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module_name="RSS", server=server, message=output)
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new_ids.append(entry["id"])
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channel.set_setting("rss-seen-ids-%s" % url, new_ids)
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total_milliseconds = (time.monotonic() - start_time) * 1000
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self.log.trace("Polled RSS feeds in %fms", [total_milliseconds])
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def _check_url(self, url):
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try:
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data = utils.http.request(url)
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feed = feedparser.parse(data.data)
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except Exception as e:
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self.log.warn("failed to parse RSS %s", [url], exc_info=True)
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feed = None
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if not feed or not feed["feed"]:
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return None
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return [entry["id"] for entry in feed["entries"]]
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@utils.hook("received.command.rss", min_args=1, channel_only=True)
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def rss(self, event):
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"""
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:help: Modify RSS/Atom configuration for the current channel
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:usage: list
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:usage: add <url>
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:usage: remove <url>
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:permission: rss
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"""
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changed = False
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message = None
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rss_hooks = event["target"].get_setting("rss-hooks", [])
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subcommand = event["args_split"][0].lower()
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if subcommand == "list":
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event["stdout"].write("RSS hooks: %s" % ", ".join(rss_hooks))
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elif subcommand == "add":
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if not len(event["args_split"]) > 1:
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raise utils.EventError("Please provide a URL")
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url = utils.http.url_sanitise(event["args_split"][1])
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if url in rss_hooks:
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raise utils.EventError("That URL is already being watched")
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seen_ids = self._check_url(url)
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if seen_ids == None:
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raise utils.EventError("Failed to read feed")
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event["target"].set_setting("rss-seen-ids-%s" % url, seen_ids)
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rss_hooks.append(url)
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changed = True
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message = "Added RSS feed"
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elif subcommand == "remove":
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if not len(event["args_split"]) > 1:
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raise utils.EventError("Please provide a URL")
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url = utils.http.url_sanitise(event["args_split"][1])
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if not url in rss_hooks:
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raise utils.EventError("I'm not watching that URL")
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rss_hooks.remove(url)
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changed = True
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message = "Removed RSS feed"
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else:
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raise utils.EventError("Unknown subcommand '%s'" % subcommand)
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if changed:
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if rss_hooks:
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event["target"].set_setting("rss-hooks", rss_hooks)
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else:
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event["target"].del_setting("rss-hooks")
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event["stdout"].write(message)
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