This is a Python script to download all podcasts on fullstackradio.com

fullstackradio.py

from lxml import html
import requests
import sys

class App:
	def __init__(self):
		self.url = 'http://fullstackradio.com'

		page = requests.get(self.url)
		page_string = html.fromstring(page.text)

		episodes = page_string.find_class('episode')

		for episode in episodes:
			title = episode.cssselect('.episode-header-title')[0].text_content()
			download_link = episode.cssselect('.episode-audio .text-right a')[0].get('href')

			self.download(title, download_link)
			print ''		

	def download(self, title, url):
		title = title.strip()
		file_name = title + '.mp3'

		with open(file_name, 'wb') as f:
			print file_name + " is downloading..."

			r = requests.get(url, stream = True)
			total_length = r.headers.get('content-length')
			dl = 0

			if total_length is None:
				f.write(r.content)
			else:
				for chunk in r.iter_content(1024):
					total_length = int(total_length)
					dl += len(chunk)
					f.write(chunk)
					done = int(50 * dl / total_length)
					sys.stdout.write("\r[%s%s]" % ('=' * done, ' ' * (50-done)) )    
					sys.stdout.flush()

app = App()