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authorVictor Chahuneau <vchahune@cs.cmu.edu>2012-07-27 23:33:45 -0400
committerVictor Chahuneau <vchahune@cs.cmu.edu>2012-07-27 23:33:45 -0400
commitee5e376e263d9aeabdeee6968b4457f53d3fc772 (patch)
tree34966090241c5dbd798b324a9f0f806c49aef778 /python/cdec/sa/compile.py
parent1d481414a2fa8505a2591c88e2b7b8f86a682ca2 (diff)
[python] Move python files to avoid pythonpath conflicts
Diffstat (limited to 'python/cdec/sa/compile.py')
-rw-r--r--python/cdec/sa/compile.py94
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diff --git a/python/cdec/sa/compile.py b/python/cdec/sa/compile.py
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-#!/usr/bin/env python
-import argparse
-import os
-import logging
-import cdec.configobj
-import cdec.sa
-
-MAX_PHRASE_LENGTH = 4
-def precompute(f_sa, max_len, max_nt, max_size, min_gap, rank1, rank2):
- lcp = cdec.sa.LCP(f_sa)
- stats = sorted(lcp.compute_stats(MAX_PHRASE_LENGTH), reverse=True)
- precomp = cdec.sa.Precomputation(from_stats=stats,
- fsarray=f_sa,
- precompute_rank=rank1,
- precompute_secondary_rank=rank2,
- max_length=max_len,
- max_nonterminals=max_nt,
- train_max_initial_size=max_size,
- train_min_gap_size=min_gap)
- return precomp
-
-def main():
- logging.basicConfig(level=logging.INFO)
- logger = logging.getLogger('cdec.sa.compile')
- parser = argparse.ArgumentParser(description='Compile a corpus into a suffix array.')
- parser.add_argument('--maxnt', '-n', type=int, default=2,
- help='Maximum number of non-terminal symbols')
- parser.add_argument('--maxlen', '-l', type=int, default=5,
- help='Maximum number of terminals')
- parser.add_argument('--maxsize', '-s', type=int, default=15,
- help='Maximum rule span')
- parser.add_argument('--mingap', '-g', type=int, default=1,
- help='Minimum gap size')
- parser.add_argument('--rank1', '-r1', type=int, default=100,
- help='Number of pre-computed frequent patterns')
- parser.add_argument('--rank2', '-r2', type=int, default=10,
- help='Number of pre-computed super-frequent patterns)')
- parser.add_argument('-c', '--config', default='/dev/stdout',
- help='Output configuration')
- parser.add_argument('-o', '--output', required=True,
- help='Output path')
- parser.add_argument('-f', '--source', required=True,
- help='Source language corpus')
- parser.add_argument('-e', '--target', required=True,
- help='Target language corpus')
- parser.add_argument('-a', '--alignment', required=True,
- help='Bitext word alignment')
- args = parser.parse_args()
-
- param_names = ("max_len", "max_nt", "max_size", "min_gap", "rank1", "rank2")
- params = (args.maxlen, args.maxnt, args.maxsize, args.mingap, args.rank1, args.rank2)
-
- if not os.path.exists(args.output):
- os.mkdir(args.output)
-
- f_sa_bin = os.path.join(args.output, 'f.sa.bin')
- e_bin = os.path.join(args.output, 'e.bin')
- precomp_file = 'precomp.{0}.{1}.{2}.{3}.{4}.{5}.bin'.format(*params)
- precomp_bin = os.path.join(args.output, precomp_file)
- a_bin = os.path.join(args.output, 'a.bin')
- lex_bin = os.path.join(args.output, 'lex.bin')
-
- logger.info('Compiling source suffix array')
- f_sa = cdec.sa.SuffixArray(from_text=args.source)
- f_sa.write_binary(f_sa_bin)
-
- logger.info('Compiling target data array')
- e = cdec.sa.DataArray(from_text=args.target)
- e.write_binary(e_bin)
-
- logger.info('Precomputing frequent phrases')
- precompute(f_sa, *params).write_binary(precomp_bin)
-
- logger.info('Compiling alignment')
- a = cdec.sa.Alignment(from_text=args.alignment)
- a.write_binary(a_bin)
-
- logger.info('Compiling bilexical dictionary')
- lex = cdec.sa.BiLex(from_data=True, alignment=a, earray=e, fsarray=f_sa)
- lex.write_binary(lex_bin)
-
- # Write configuration
- config = cdec.configobj.ConfigObj(args.config, unrepr=True)
- config['f_sa_file'] = f_sa_bin
- config['e_file'] = e_bin
- config['a_file'] = a_bin
- config['lex_file'] = lex_bin
- config['precompute_file'] = precomp_bin
- for name, value in zip(param_names, params):
- config[name] = value
- config.write()
-
-if __name__ == '__main__':
- main()