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# file openpyxl/reader/strings.py
# Copyright (c) 2010 openpyxl
#
# Permission is hereby granted, free of charge, to any person obtaining a copy
# of this software and associated documentation files (the "Software"), to deal
# in the Software without restriction, including without limitation the rights
# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
# copies of the Software, and to permit persons to whom the Software is
# furnished to do so, subject to the following conditions:
#
# The above copyright notice and this permission notice shall be included in
# all copies or substantial portions of the Software.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
# THE SOFTWARE.
#
# @license: http://www.opensource.org/licenses/mit-license.php
# @author: Eric Gazoni
"""Read the shared strings table."""
# package imports
from ..shared.xmltools import fromstring, QName
from ..shared.ooxml import NAMESPACES
def read_string_table(xml_source):
"""Read in all shared strings in the table"""
table = {}
xmlns = 'http://schemas.openxmlformats.org/spreadsheetml/2006/main'
root = fromstring(text=xml_source)
string_index_nodes = root.findall(QName(xmlns, 'si').text)
for index, string_index_node in enumerate(string_index_nodes):
table[index] = get_string(xmlns, string_index_node)
return table
def get_string(xmlns, string_index_node):
"""Read the contents of a specific string index"""
rich_nodes = string_index_node.findall(QName(xmlns, 'r').text)
if rich_nodes:
reconstructed_text = []
for rich_node in rich_nodes:
partial_text = get_text(xmlns, rich_node)
reconstructed_text.append(partial_text)
return ''.join(reconstructed_text)
else:
return get_text(xmlns, string_index_node)
def get_text(xmlns, rich_node):
"""Read rich text, discarding formatting if not disallowed"""
text_node = rich_node.find(QName(xmlns, 't').text)
partial_text = text_node.text or ''
if text_node.get(QName(NAMESPACES['xml'], 'space').text) != 'preserve':
partial_text = partial_text.strip()
return str(partial_text)
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