# -*- coding: 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
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# 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
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# POSSIBILITY OF SUCH DAMAGE.
# Author: Leo Jiang <leo.jiang.dev@gmail.com>
# pylint: disable=I0011,C0301
"""
Predicate Module: Length Limit
"""
[docs]def validate(step):
return True
[docs]def predicate(source, target, constraint):
"""
Return True if the length of source and/or target is beyond the limit.
The length limit for GIZA++ in moses is 100 tokens.
"""
if "source" in constraint:
len_s = len(source.split(' '))
(low, high) = tuple(constraint["source"])
if len_s < low or len_s > high:
return True
if "target" in constraint:
len_t = len(target.split(' '))
(low, high) = tuple(constraint["target"])
if len_t < low or len_t > high:
return True
return False