def parse_new_items(soup, existing_content_by_name):
"""Prase all podcast episodes from the RSS feed.
@param soup: Soup with all podcast episodes.
@type soup: bs4.BeautifulSoup
@param existing_content_by_name: Collection with the names of HI epsiodes
already parsed.
@type existing_content_by_name: Collection of str
"""
items_soup = soup.findAll('item')
item_soups_with_name = map(
lambda x: (x.find('title').contents[0], x),
items_soup
)
new_item_soups_with_name = filter(
lambda (name, soup): not name in existing_content_by_name,
item_soups_with_name
)
new_item_soups = map(lambda x: x[1], new_item_soups_with_name)
stem_mapping = {}
new_items = map(
lambda x: parse_item(x, stem_mapping),
new_item_soups
)
common.consolidate_tags(new_items, stem_mapping, 1)
return new_items
def main():
"""Driver for the 99 Percent Invisible parser."""
if len(sys.argv) != 2:
print USAGE_STR
return
raw_tracks_info = load_tracks()
stem_mapping = {}
processed_tracks = map(
lambda x: process_track(x, stem_mapping),
raw_tracks_info
)
common.consolidate_tags(processed_tracks, stem_mapping, 2)
with open(sys.argv[1], 'w') as f:
f.write(common.DateJSONEncoder().encode({
'episodes': processed_tracks
}))
