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table_to_text_utils.py
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# coding=utf-8
# Copyright 2018 The Google AI Language Team Authors.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
# Lint as: python3
"""Utilities for tables-to-text."""
def get_highlighted_subtable(table, cell_indices):
"""Extract out the highlighted part of a table."""
highlighted_table = []
for (row_index, col_index) in cell_indices:
cell = table[row_index][col_index]
highlighted_table.append(cell)
return highlighted_table
def get_table_parent_format(table, table_page_title, table_section_title,
table_section_text):
"""Convert table to format required by PARENT."""
table_parent_array = []
# Table values.
for row in table:
for cell in row:
if cell["is_header"]:
attribute = "header"
else:
attribute = "cell"
value = cell["value"].strip()
if value:
value = value.replace("|", "-")
entry = "%s|||%s" % (attribute, value)
table_parent_array.append(entry)
# Page title.
if table_page_title:
table_page_title = table_page_title.replace("|", "-")
entry = "%s|||%s" % ("page_title", table_page_title)
table_parent_array.append(entry)
# Section title.
if table_section_title:
table_section_title = table_section_title.replace("|", "-")
entry = "%s|||%s" % ("section_title", table_section_title)
table_parent_array.append(entry)
# Section text.
if table_section_text:
table_section_text = table_section_text.replace("|", "-")
entry = "%s|||%s" % ("section_text", table_section_text)
table_parent_array.append(entry)
table_parent_str = "\t".join(table_parent_array)
return table_parent_str
def get_subtable_parent_format(subtable, table_page_title, table_section_title):
"""Convert subtable to PARENT format. Do not include section text."""
table_parent_array = []
# Table values.
for cell in subtable:
if cell["is_header"]:
attribute = "header"
else:
attribute = "cell"
value = cell["value"].strip()
if value:
value = value.replace("|", "-")
entry = "%s|||%s" % (attribute, value)
table_parent_array.append(entry)
# Page title.
if table_page_title:
table_page_title = table_page_title.replace("|", "-")
entry = "%s|||%s" % ("page_title", table_page_title)
table_parent_array.append(entry)
# Section title.
if table_section_title:
table_section_title = table_section_title.replace("|", "-")
entry = "%s|||%s" % ("section_title", table_section_title)
table_parent_array.append(entry)
table_parent_str = "\t".join(table_parent_array)
return table_parent_str