Files
vrobbler/vrobbler/apps/podcasts/utils.py

130 lines
4.2 KiB
Python

import logging
import os
from typing import Any
from urllib.parse import unquote
import feedparser
import requests
from dateutil.parser import ParserError, parse
from podcasts.models import PodcastEpisode
logger = logging.getLogger(__name__)
# TODO This should be configurable in settings or per deploy
PODCAST_DATE_FORMAT = "YYYY-MM-DD"
def parse_duration(d):
if not d:
return None
if d.isdigit():
return int(d)
parts = [int(p) for p in d.split(":")]
while len(parts) < 3:
parts.insert(0, 0)
h, m, s = parts
return h * 3600 + m * 60 + s
def fetch_metadata_from_rss(uri: str) -> dict[str, Any]:
log_context = {"mopidy_uri": uri, "media_type": "Podcast"}
podcast_data: dict[str, Any] = {}
rss_url = uri.split("#")[0].split("podcast+")[1]
target_guid = uri.split("#")[1]
log_context["rss_url"] = rss_url
log_context["target_guid"] = target_guid
try:
resp = requests.get(rss_url, timeout=10)
feed = feedparser.parse(resp.text)
except IndexError:
logger.warning("Tried to parse uri as RSS feed, but no target found", extra=log_context)
return podcast_data
podcast_publisher = getattr(feed.feed, "itunes_publisher", "")
try:
podcast_owner = feed.feed.itunes_owner.get("name") if isinstance(feed.feed.itunes_owner, dict) else feed.feed.itunes_owner
podcast_other = feed.feed.get("managingeditor") or feed.feed.get("copyright")
except AttributeError:
podcast_owner = None
podcast_other = None
podcast_data = {
"podcast_name": getattr(feed.feed, "title", ""),
# "podcast_description": getattr(feed.feed, "description", ""),
# "podcast_link": getattr(feed.feed, "link", ""),
"podcast_producer": podcast_publisher or podcast_owner or podcast_other
}
for entry in feed.entries:
if entry.get("guid") == target_guid:
logger.info("🎧 Episode found in RSS feed", extra=log_context)
podcast_data["title"] = entry.title
podcast_data["episode_num"] = int(entry.get("itunes_episode", 0))
podcast_data["pub_date"] = parse(entry.get("published", None))
podcast_data["base_run_time_seconds"] = parse_duration(entry.get("itunes_duration", None))
# podcast_data["description"] = entry.get("description", None)
# podcast_data["episode_url"] = entry.enclosures[0].href if entry.get("enclosures") else None
return podcast_data
else:
logger.info("Episode not found in RSS feed.")
def parse_mopidy_uri(uri: str) -> dict[str, Any]:
podcast_data: dict[str, Any] = {}
logger.debug(f"Parsing URI: {uri}")
if "podcast+https" in uri:
return fetch_metadata_from_rss(uri)
parsed_uri = os.path.splitext(unquote(uri))[0].split("/")
podcast_data = {
"title": parsed_uri[-1],
"episode_num": None,
"podcast_name": parsed_uri[-2].strip(),
"pub_date": None,
}
episode_str = parsed_uri[-1]
episode_num = None
episode_num_pad = 0
try:
# Without episode numbers the date will lead
podcast_data["pub_date"] = parse(episode_str[0:10])
except ParserError:
podcast_data["episode_num"] = int(episode_str.split("-")[0])
episode_num_pad = len(str(podcast_data["episode_num"])) + 1
try:
# Beacuse we have epsiode numbers on
podcast_data["pub_date"] = parse(
episode_str[
episode_num_pad : len(PODCAST_DATE_FORMAT)
+ episode_num_pad
]
)
except ParserError:
pub_date = ""
gap_to_strip = 0
if podcast_data["pub_date"]:
gap_to_strip += len(PODCAST_DATE_FORMAT)
if podcast_data["episode_num"]:
gap_to_strip += episode_num_pad
podcast_data["title"] = episode_str[gap_to_strip:].replace("-", " ").strip()
return podcast_data
def get_or_create_podcast(post_data: dict) -> PodcastEpisode:
logger.info("Looking up podcast", extra={"post_data": post_data, "media_type": "Podcast"})
mopidy_uri = post_data.get("mopidy_uri", "")
parsed_data = parse_mopidy_uri(mopidy_uri)
return PodcastEpisode.find_or_create(**parsed_data)