import os
import datetime
import PyRSS2Gen
def get_videos():
import shelve
import random
s = shelve.open('shelf.videos')
ids = s.keys()
#only get the ones that have been transcoded for iphone (mp4)
ids = [id for id in ids if os.path.exists('/mnt/stvp/transcoded/%s.mp4' % id)]
random.shuffle(ids)
return [s[id] for id in ids]
def make_item(video):
url = 'http://static.ivycall.com/stvp/transcoded/%s.mp4' % video['id']
filesize = os.stat('/mnt/stvp/transcoded/%s.mp4' % video['id'])[6]
item = PyRSS2Gen.RSSItem(
title = '%s: %s' % (video['who'], video['title']),
link = 'http://edcorner.stanford.edu/authorMaterialInfo.html?mid=%s' % video['id'],
enclosure = PyRSS2Gen.Enclosure(url, filesize, 'video/mp4'),
description = video['description'],
guid = PyRSS2Gen.Guid('http://edcorner.stanford.edu/%s' % video['id']),
pubDate = datetime.datetime.strptime(video['date'], '%Y-%m-%d'))
return item
def make_rss(videos):
rss = PyRSS2Gen.RSS2(
title = 'Entrepreneurial Thought Leaders Videos (by Ivy Call)',
link = 'http://www.ivycall.com/stvp/',
description = '''Stanford Technology Ventures Program brings the world the Entrepreneurial Thought Leaders Series. The Entrepreneurial Thought Leaders lecture series takes place every Wednesday during the academic quarters.''',
lastBuildDate = datetime.datetime.now(),
items = [make_item(video) for video in videos])
return rss
def sort_by_date_then_id(videos):
videos = list(videos)
def date_then_id(video, other):
d1 = video['date']
d2 = other['date']
if d1 > d2:
return -1
elif d2 > d1:
return 1
else:
i1 = video['id']
i2 = other['id']
if i1 > i2:
return -1
elif i2 > i1:
return 1
else:
raise Exception('sorting same file?')
videos.sort(date_then_id)
return videos
videos = get_videos()
videos = sort_by_date_then_id(videos)
rss = make_rss(videos)
rss.write_xml(open('stvp.xml', 'w'))
