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import sys
import pyvw
learnFromStrings = False
# this is a stupid program that basically mimics vw's behavior,
# mostly for the purpose of speed comparisons
def mini_vw(inputFile, numPasses, otherArgs):
vw = pyvw.vw(otherArgs)
for p in range(numPasses):
print 'pass', (p+1)
h = open(inputFile, 'r')
for l in h.readlines():
if learnFromStrings:
vw.learn(l)
else:
ex = vw.example(l)
vw.learn(ex)
ex.finish()
h.close()
vw.finish()
if __name__ == '__main__':
if len(sys.argv) < 3:
print 'usage: mini_vw.py (inputFile) (#passes) (...other VW args...)'
exit()
inputFile = sys.argv[1]
numPasses = int(sys.argv[2])
otherArgs = ' '.join(sys.argv[3:])
mini_vw(inputFile, numPasses, otherArgs)
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