def download(leg, sess, number):
leg = int(leg)
sess = int(sess)
number = int(number)
url = encode_url(leg, sess, num)
filename = make_filename(leg, sess, number)
cmd = 'wget "%s" --quiet --output-document %s' % (url, filename)
import subprocess
subprocess.call(cmd, shell=True)
def dar_exists(leg, sess, num):
url = encode_url(leg, sess, num)
# Now we check if there's anything at the URL.
# We always get return code 200 since there's a HTML error message,
# so we check if we're getting a PDF file or a HTML response.
from urllib2 import urlopen
response = urlopen(url)
mimetype = response.info().values()[-1].split(';')[0]
if mimetype == 'application/pdf':
return True
print "Resource exists!"
elif mimetype == 'text/html':
return False
else:
print mimetype
raise ValueError
