def downloadFromUrlAndSaveToFile(url, fileName, skipIfFileExists):
if not(skipIfFileExists or os.path.isfile(fileName)):
try:
u = urllib2.urlopen(url)
try:
FileUtil.ensureDirectoryForFile(fileName)
with open(fileName, "w") as f:
lines = u.readlines()
f.write(lines[0])
f.writelines(reversed(lines[1:]))
f.closed
finally:
u.close()
except urllib2.HTTPError: logging.warning("Cannot load from: " + url)
