Source code for corpustools.token.moses

# -*- encoding: utf-8 -*-

# License: FreeBSD License or The BSD 2-Clause License

# Copyright (c) 2012, Leo Jiang
# All rights reserved.

# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions are met:

#     Redistributions of source code must retain the above copyright notice,
#     this list of conditions and the following disclaimer.
#     Redistributions in binary form must reproduce the above copyright notice,
#     this list of conditions and the following disclaimer in the documentation
#     and/or other materials provided with the distribution.

# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
# AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
# ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
# LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
# CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
# SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
# INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
# CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
# ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
# POSSIBILITY OF SUCH DAMAGE.

# Author:   Leo Jiang <leo.jiang.dev@gmail.com>

# pylint: disable=I0011,C0301,C0103

"""
Tokenizer Module for Moses built-in tokenizer
"""

import codecs
import os.path
import sys
from subprocess import call


[docs]def tokenize(infile, outfile, lang, tools, step): # pylint: disable=I0011,W0613 """Call moses built-in tokenizer for corpus. Moses built-in tokenizer support European languages. :param infile: input filename. :param outfile: output filename. :param lang: language of corpus. :param tools: external tools configuration. """ subdir = "tokenizer" moses_tokenizer = "tokenizer.perl" script = os.path.join(tools["moses.scripts_path"], subdir, moses_tokenizer) in_fp = codecs.open(infile, 'r', 'utf-8') out_fp = codecs.open(outfile, 'w', 'utf-8') try: ret = call([script, "-l", lang], stdin=in_fp, stdout=out_fp) except OSError as e: print e, ":", script sys.exit(e.errno) finally: in_fp.close() out_fp.close() return ret