Python script for downloading all of the TechEd North America 2013 conference developer related session talks only. I would copy and paste the code in your editor of choice, save it and run it. I have found that when you download these gists file the spacing gets all messed up and for a language like python that would cause the program not to ex…

teched2013_na_dev.py

#!/usr/bin/python

import os, urllib, feedparser, math, sys


def tofile(title):
    title = title.replace("?", "-").replace("$", "-").replace("/", "-").replace(":", "-").replace(",", "-").replace("<", "").replace(">","")
	return title + ".mp4"

def getsessions():
	'''
	This requires feedparser to be loaded. E.g (pip install feedparser)
	'''
	try:	
		url = 'http://channel9.msdn.com/Events/TechEd/NorthAmerica/2013/rss/mp4high/?sort=sequential&direction=desc&term=&r=Developer+Tools+%26+Application+Lifecycle+Management&r=Windows+Azure+Application+Development&y=Breakout&Media=true#fbid=FDnmapgI5Hf'
		rss = feedparser.parse(url)
		return [(tofile(e.title), e.enclosures[0].href) for e in rss.entries]
	except:
		print("Error reading Session RSS feed")
		return []

def reportprogress(blocksRead, blockSize, totalSize):
	downloaded = blocksRead * blockSize
	complete = math.ceil((downloaded / (totalSize * 1.0)) * 100)

	sys.stdout.write("{0:.0f}%".format(complete))
	sys.stdout.write("\r")
	sys.stdout.write("")
	sys.stdout.flush()


def download(sessions):
	sessions.sort()
	for s in sessions:
		fname = s[0]
		url = s[1]
		if not os.path.exists(fname):
			try:
				print(fname)
				urllib.urlretrieve(url, fname, reportprogress)
			except:
				print("Unable to download " + url)



if __name__ == '__main__':
	download(getsessions())