def main():
parser = argparse.ArgumentParser(description="Retrieves a file from a PyCDM node")
parser.add_argument("filename", help="name of file to retrieve")
parser.add_argument("-a", "--address", default="127.0.0.1",
help="ip address of host")
parser.add_argument("-p", "--port", default="8080",
help="port of host")
args = parser.parse_args()
filename = args.filename
URL = "http://" + args.address + ":" + args.port + "/"
print 'retrieving manifest for {} from {}'.format(filename,URL)
resp = requests.get(URL + 'manifest/' + filename)
manifest = resp.content
fget = FGet()
fget.URL = URL
rfile = fget.assembleFiles(manifest, 512)
f = Filer()
f.writeFile(rfile,filename + '.ret')
