def getrpms():
queryall = []
rpmqa = subprocess.Popen(['rpm', '-qa'], stdout=subprocess.PIPE,)
grep = subprocess.Popen(['grep', 'stuff'], stdin=rpmqa.stdout, stdout=subprocess.PIPE,)
sort = subprocess.Popen(['sort', '-r'], stdin=grep.stdout, stdout=subprocess.PIPE,)
end_of_pipe = sort.stdout

for line in end_of_pipe:
    queryall.append(line.strip())
return queryall

command = "rpm -q stuff --qf '%{NAME} %{VERSION} %{RELEASE}n'"
args = shlex.split(command)
p = subprocess.Popen(args)