def update(self):
""" Downloads feed data from self.url, and adds new episodes if they
are in the feed data
"""
log.log(logging.DEBUG-1, 'Podcast.update()')
p = Podcast.from_url(self.url)
return self.update_from_podcast(p)
def from_file(cls, path):
log.log(logging.DEBUG-1, 'Podcast.from_file()')
with open(path, 'r') as f:
d = json.loads(f.read())
p = cls.from_dict(d)
p.path = path
return p
def catch_up(self, leave=0):
log.log(logging.DEBUG-1, 'Podcast.catch_up()')
count = 0
for i in range(len(self.episodes)-leave):
if not self.episodes[i].skipped:
self.episodes[i].skipped = True
count += 1
return count
def from_dict(cls, d):
log.log(logging.DEBUG-1, 'Podcast.from_dict()')
p = cls(d['url'], d['title'])
if d.get('episodes'):
for e in d['episodes']:
p.episodes.append(Episode.from_dict(e))
p.episodes.sort()
return p
def to_dict(self):
log.log(logging.DEBUG-1, 'Podcast.to_dict()')
d = dict()
d['title'] = self.title
d['url'] = self.url
d['episodes'] = []
for e in self.episodes:
d['episodes'].append(e.to_dict())
return d
def update_from_podcast(self, p):
""" Takes another feed and updates this feed from it.
returns the number of new episodes found
"""
log.log(logging.DEBUG-1, 'Podcast.update_from_podcast(%s)' % p.url)
if p.url != self.url:
raise Exception('cannot update from a different podcast')
new_count = 0
for episode in p.episodes:
if episode not in self.episodes:
log.log(logging.DEBUG-1, 'adding new episode: %s' % episode)
self.episodes.append(episode)
new_count += 1
return new_count
def from_parsed(cls, feed, url=None):
log.log(logging.DEBUG-1, 'Podcast.from_parsed()')
if feed.bozo:
if type(feed.bozo_exception) != feedparser.CharacterEncodingOverride:
raise(feed.bozo_exception)
if url is None:
try:
url = [x.href for x in feed.feed.links if x.rel == 'self'][0]
except:
url = feed.feed.link
p = cls(url, feed.feed.title)
for e in feed.entries:
p.episodes.append(Episode(e.title, get_media_url_for_entry(e), e.published))
p.episodes.sort()
return p
def url_hash(self):
log.log(logging.DEBUG-1, 'Podcast.url_hash()')
m = hashlib.md5()
m.update(self.url.lower().encode('utf-8'))
return m.hexdigest()
def delete(self):
# TODO: remove episodes first
log.log(logging.DEBUG-1, 'Podcast.delete(%s/%s, %s)' % (self.title, self.url, self.path))
if self.path is not None:
os.unlink(self.path)
def save_to_file(self, path):
log.log(logging.DEBUG-1, 'Podcast.save_to_file(%s/%s, %s)' % (self.title, self.url, path))
with open(path, 'w') as f:
f.write(json.dumps(self.to_dict()))
def __init__(self, url, title=None):
self.url = url
self.title = title
self.path = None
self.episodes = []
log.log(logging.DEBUG-1, 'Podcast.__init__(url=%s, ...)' % self.url)
def from_file_feed(cls, path):
log.log(logging.DEBUG-1, 'Podcast.from_file_feed()')
with open(path, 'r') as f:
s = f.read()
feed = feedparser.parse(s)
return cls.from_parsed(feed)
def from_url(cls, url):
log.log(logging.DEBUG-1, 'Podcast.from_url()')
feed = feedparser.parse(url)
return cls.from_parsed(feed,url)
