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#!/usr/bin/env python
import argparse
import logging
import sys
import threading
import time
import rt
ABOUT = '''Realtime adaptive translation with cdec (See README.md)
Code by Michael Denkowski
Citation:
@InProceedings{realtime,
author = {Michael Denkowski and Chris Dyer and Alon Lavie},
title = {Learning from Post-Editing: Online Model Adaptation for Statistical Machine Translation},
booktitle = {Proceedings of the 14th Conference of the European Chapter of the Association for Computational Linguistics}
year = {2014},
}
'''
class Parser(argparse.ArgumentParser):
def error(self, message):
sys.stderr.write(ABOUT)
self.print_help()
sys.stderr.write('\n{}\n'.format(message))
sys.exit(2)
def handle_line(translator, line, output, ctx_name):
res = translator.command_line(line, ctx_name)
if res:
output.write('{}\n'.format(res))
output.flush()
def test1(translator, input, output, ctx_name):
inp = open(input)
out = open(output, 'w')
for line in inp:
handle_line(translator, line.strip(), out, ctx_name)
out.close()
def debug(translator, input):
# Test 1: multiple contexts
threads = []
for i in range(4):
t = threading.Thread(target=test1, args=(translator, input, '{}.out.{}'.format(input, i), str(i)))
threads.append(t)
t.start()
time.sleep(30)
# Test 2: flood
out = open('{}.out.flood'.format(input), 'w')
inp = open(input)
while True:
line = inp.readline()
if not line:
break
line = line.strip()
t = threading.Thread(target=handle_line, args=(translator, line.strip(), out, None))
threads.append(t)
t.start()
time.sleep(1)
translator.drop_ctx(None)
# Join test threads
for t in threads:
t.join()
def main():
parser = Parser()
parser.add_argument('-c', '--config', required=True, help='Config directory')
parser.add_argument('-s', '--state', help='Load state file to default context (saved incremental data)')
parser.add_argument('-n', '--normalize', help='Normalize text (tokenize, translate, detokenize)', action='store_true')
parser.add_argument('-T', '--temp', help='Temp directory (default /tmp)', default='/tmp')
parser.add_argument('-a', '--cache', help='Grammar cache size (default 5)', default='5')
parser.add_argument('-v', '--verbose', help='Info to stderr', action='store_true')
parser.add_argument('-D', '--debug-test', help='Run debug tests on input file')
args = parser.parse_args()
if args.verbose:
logging.basicConfig(level=logging.INFO)
with rt.RealtimeTranslator(args.config, tmpdir=args.temp, cache_size=int(args.cache), norm=args.normalize) as translator:
# Debugging
if args.debug_test:
debug(translator, args.debug_test)
return
# Load state if given
if args.state:
rtd.load_state(state)
# Read lines and commands
while True:
line = sys.stdin.readline()
if not line:
break
line = line.strip()
res = translator.command_line(line)
if res:
sys.stdout.write('{}\n'.format(res))
sys.stdout.flush()
if __name__ == '__main__':
main()
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