# OpenKiwi: Open-Source Machine Translation Quality Estimation
# Copyright (C) 2019 Unbabel <openkiwi@unbabel.com>
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU Affero General Public License as published
# by the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU Affero General Public License for more details.
#
# You should have received a copy of the GNU Affero General Public License
# along with this program. If not, see <https://www.gnu.org/licenses/>.
#
[docs]class SequenceUnigramPart(object):
"""A part for unigrams (a single label at a word position)."""
def __init__(self, index, label):
self.label = label
self.index = index
[docs]class SequenceBigramPart(object):
"""A part for bigrams (two labels at consecutive words position).
Necessary for the model to be sequential."""
def __init__(self, index, label, previous_label):
self.label = label
self.previous_label = previous_label
self.index = index