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#!/usr/bin/env python
import os
import sys
import subprocess
def main():
if len(sys.argv[1:]) != 4:
sys.stderr.write('run:\n')
sys.stderr.write(' fast_align -i corpus.f-e -d -v -o -p fwd_params >fwd_align 2>fwd_err\n')
sys.stderr.write(' fast_align -i corpus.f-e -r -d -v -o -p rev_params >rev_align 2>rev_err\n')
sys.stderr.write('\n')
sys.stderr.write('then run:\n')
sys.stderr.write(' {} fwd_params fwd_err rev_params rev_err <in.f-e >out.f-e.gdfa\n'.format(sys.argv[0]))
sys.exit(2)
(f_p, f_err, r_p, r_err) = sys.argv[1:]
(f_T, f_m) = find_Tm(f_err)
(r_T, r_m) = find_Tm(r_err)
fast_align = os.path.join(os.path.dirname(__file__), 'fast_align')
f_cmd = [fast_align, '-i', '-', '-d', '-T', f_T, '-m', f_m, '-f', f_p]
r_cmd = [fast_align, '-i', '-', '-d', '-T', r_T, '-m', r_m, '-f', r_p, '-r']
atools = os.path.join(os.path.dirname(os.path.dirname(__file__)), 'utils', 'atools')
tools_cmd = [atools, '-i', '-', '-j', '-', '-c', 'grow-diag-final-and']
sys.stderr.write('running: {}\n'.format(' '.join(f_cmd)))
sys.stderr.write('running: {}\n'.format(' '.join(r_cmd)))
sys.stderr.write('running: {}\n'.format(' '.join(tools_cmd)))
f_a = subprocess.Popen(f_cmd, stdin=subprocess.PIPE, stdout=subprocess.PIPE)
r_a = subprocess.Popen(r_cmd, stdin=subprocess.PIPE, stdout=subprocess.PIPE)
tools = subprocess.Popen(tools_cmd, stdin=subprocess.PIPE, stdout=subprocess.PIPE)
for line in sys.stdin:
f_a.stdin.write(line)
r_a.stdin.write(line)
# f words ||| e words ||| links ||| score
f_line = f_a.stdout.readline().split(' ||| ')[2]
r_line = r_a.stdout.readline().split(' ||| ')[2]
tools.stdin.write('{}\n'.format(f_line))
tools.stdin.write('{}\n'.format(r_line))
sys.stdout.write(tools.stdout.readline())
def find_Tm(err):
(T, m) = ('', '')
for line in open(err):
# expected target length = source length * N
if 'expected target length' in line:
m = line.split()[-1]
elif 'final tension' in line:
T = line.split()[-1]
return (T, m)
if __name__ == '__main__':
main()
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