import numpy

list = [('2010-12-07 03:09:46.855712', '2', '2', '177', '2', '86', '370', \
    '1.05')]
names = ['dt', 'hosts', 'running_jobs', 'queued_jobs', 'slots', \
    'avg_duration', 'avg_wait', 'avg_load']

print repr(numpy.rec.fromrecords(list, names=','.join(names)))

print repr(numpy.rec.fromrecords(list, names=','.join(names), 
    formats=['S26', 'u4', 'u4', 'u4', 'u4', 'u4', 'u4', 'f4']))