/usr/share/pyshared/openpyxl/reader/style.py is in python-openpyxl 1.7.0+ds1-1.
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# Copyright (c) 2010-2011 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: see AUTHORS file
"""Read shared style definitions"""
# package imports
from openpyxl.shared.xmltools import fromstring, QName
from openpyxl.shared.exc import MissingNumberFormat
from openpyxl.style import Style, NumberFormat, Font, Fill, Borders, Protection
from copy import deepcopy
def read_style_table(xml_source):
"""Read styles from the shared style table"""
table = {}
xmlns = 'http://schemas.openxmlformats.org/spreadsheetml/2006/main'
root = fromstring(xml_source)
custom_num_formats = parse_custom_num_formats(root, xmlns)
color_index = parse_color_index(root, xmlns)
font_list = parse_fonts(root, xmlns, color_index)
fill_list = parse_fills(root, xmlns, color_index)
border_list = parse_borders(root, xmlns, color_index)
builtin_formats = NumberFormat._BUILTIN_FORMATS
cell_xfs = root.find(QName(xmlns, 'cellXfs').text)
if cell_xfs is not None: # can happen on bad OOXML writers (e.g. Gnumeric)
cell_xfs_nodes = cell_xfs.findall(QName(xmlns, 'xf').text)
for index, cell_xfs_node in enumerate(cell_xfs_nodes):
new_style = Style(static=True)
number_format_id = int(cell_xfs_node.get('numFmtId'))
if number_format_id < 164:
new_style.number_format.format_code = \
builtin_formats.get(number_format_id, 'General')
else:
if number_format_id in custom_num_formats:
new_style.number_format.format_code = \
custom_num_formats[number_format_id]
else:
raise MissingNumberFormat('%s' % number_format_id)
if cell_xfs_node.get('applyAlignment') == '1':
alignment = cell_xfs_node.find(QName(xmlns, 'alignment').text)
if alignment is not None:
if alignment.get('horizontal') is not None:
new_style.alignment.horizontal = alignment.get('horizontal')
if alignment.get('vertical') is not None:
new_style.alignment.vertical = alignment.get('vertical')
if alignment.get('wrapText'):
new_style.alignment.wrap_text = True
if alignment.get('shrinkToFit'):
new_style.alignment.shrink_to_fit = True
if alignment.get('indent') is not None:
new_style.alignment.ident = int(alignment.get('indent'))
if alignment.get('textRotation') is not None:
new_style.alignment.text_rotation = int(alignment.get('textRotation'))
# ignore justifyLastLine option when horizontal = distributed
if cell_xfs_node.get('applyFont') == '1':
new_style.font = deepcopy(font_list[int(cell_xfs_node.get('fontId'))])
new_style.font.color = deepcopy(font_list[int(cell_xfs_node.get('fontId'))].color)
if cell_xfs_node.get('applyFill') == '1':
new_style.fill = deepcopy(fill_list[int(cell_xfs_node.get('fillId'))])
new_style.fill.start_color = deepcopy(fill_list[int(cell_xfs_node.get('fillId'))].start_color)
new_style.fill.end_color = deepcopy(fill_list[int(cell_xfs_node.get('fillId'))].end_color)
if cell_xfs_node.get('applyBorder') == '1':
new_style.borders = deepcopy(border_list[int(cell_xfs_node.get('borderId'))])
new_style.borders.left = deepcopy(border_list[int(cell_xfs_node.get('borderId'))].left)
new_style.borders.left.color = deepcopy(border_list[int(cell_xfs_node.get('borderId'))].left.color)
new_style.borders.right = deepcopy(border_list[int(cell_xfs_node.get('borderId'))].right)
new_style.borders.right.color = deepcopy(border_list[int(cell_xfs_node.get('borderId'))].right.color)
new_style.borders.top = deepcopy(border_list[int(cell_xfs_node.get('borderId'))].top)
new_style.borders.top.color = deepcopy(border_list[int(cell_xfs_node.get('borderId'))].top.color)
new_style.borders.bottom = deepcopy(border_list[int(cell_xfs_node.get('borderId'))].bottom)
new_style.borders.bottom.color = deepcopy(border_list[int(cell_xfs_node.get('borderId'))].bottom.color)
new_style.borders.diagonal = deepcopy(border_list[int(cell_xfs_node.get('borderId'))].diagonal)
new_style.borders.diagonal.color = deepcopy(border_list[int(cell_xfs_node.get('borderId'))].diagonal.color)
if cell_xfs_node.get('applyProtection') == '1':
protection = cell_xfs_node.find(QName(xmlns, 'protection').text)
# Ignore if there are no protection sub-nodes
if protection is not None:
if protection.get('locked') is not None:
if protection.get('locked') == '1':
new_style.protection.locked = Protection.PROTECTION_PROTECTED
else:
new_style.protection.locked = Protection.PROTECTION_UNPROTECTED
if protection.get('hidden') is not None:
if protection.get('hidden') == '1':
new_style.protection.hidden = Protection.PROTECTION_PROTECTED
else:
new_style.protection.hidden = Protection.PROTECTION_UNPROTECTED
table[index] = new_style
return table
def parse_custom_num_formats(root, xmlns):
"""Read in custom numeric formatting rules from the shared style table"""
custom_formats = {}
num_fmts = root.find(QName(xmlns, 'numFmts').text)
if num_fmts is not None:
num_fmt_nodes = num_fmts.findall(QName(xmlns, 'numFmt').text)
for num_fmt_node in num_fmt_nodes:
custom_formats[int(num_fmt_node.get('numFmtId'))] = \
num_fmt_node.get('formatCode').lower()
return custom_formats
def parse_color_index(root, xmlns):
"""Read in the list of indexed colors"""
color_index = []
colors = root.find(QName(xmlns, 'colors').text)
if colors is not None:
indexedColors = colors.find(QName(xmlns, 'indexedColors').text)
if indexedColors is not None:
color_nodes = indexedColors.findall(QName(xmlns, 'rgbColor').text)
for color_node in color_nodes:
color_index.append(color_node.get('rgb'))
if not color_index:
# Default Color Index as per http://dmcritchie.mvps.org/excel/colors.htm
color_index = ['FF000000', 'FFFFFFFF', 'FFFF0000', 'FF00FF00', 'FF0000FF', 'FFFFFF00', 'FFFF00FF', 'FF00FFFF',
'FF800000', 'FF008000', 'FF000080', 'FF808000', 'FF800080', 'FF008080', 'FFC0C0C0', 'FF808080',
'FF9999FF', 'FF993366', 'FFFFFFCC', 'FFCCFFFF', 'FF660066', 'FFFF8080', 'FF0066CC', 'FFCCCCFF',
'FF000080', 'FFFF00FF', 'FFFFFF00', 'FF00FFFF', 'FF800080', 'FF800000', 'FF008080', 'FF0000FF',
'FF00CCFF', 'FFCCFFFF', 'FFCCFFCC', 'FFFFFF99', 'FF99CCFF', 'FFFF99CC', 'FFCC99FF', 'FFFFCC99',
'FF3366FF', 'FF33CCCC', 'FF99CC00', 'FFFFCC00', 'FFFF9900', 'FFFF6600', 'FF666699', 'FF969696',
'FF003366', 'FF339966', 'FF003300', 'FF333300', 'FF993300', 'FF993366', 'FF333399', 'FF333333']
return color_index
def parse_fonts(root, xmlns, color_index):
"""Read in the fonts"""
font_list = []
fonts = root.find(QName(xmlns, 'fonts').text)
if fonts is not None:
font_nodes = fonts.findall(QName(xmlns, 'font').text)
for font_node in font_nodes:
font = Font()
font.size = font_node.find(QName(xmlns, 'sz').text).get('val')
font.name = font_node.find(QName(xmlns, 'name').text).get('val')
font.bold = True if len(font_node.findall(QName(xmlns, 'b').text)) else False
font.italic = True if len(font_node.findall(QName(xmlns, 'i').text)) else False
if len(font_node.findall(QName(xmlns, 'u').text)):
underline = font_node.find(QName(xmlns, 'u').text).get('val')
font.underline = underline if underline else 'single'
color = font_node.find(QName(xmlns, 'color').text)
if color is not None:
if color.get('indexed') is not None and 0 <= int(color.get('indexed')) < len(color_index):
font.color.index = color_index[int(color.get('indexed'))]
elif color.get('theme') is not None:
if color.get('tint') is not None:
font.color.index = 'theme:%s:%s' % (color.get('theme'), color.get('tint'))
else:
font.color.index = 'theme:%s:' % color.get('theme') # prefix color with theme
elif color.get('rgb'):
font.color.index = color.get('rgb')
font_list.append(font)
return font_list
def parse_fills(root, xmlns, color_index):
"""Read in the list of fills"""
fill_list = []
fills = root.find(QName(xmlns, 'fills').text)
count = 0
if fills is not None:
fillNodes = fills.findall(QName(xmlns, 'fill').text)
for fill in fillNodes:
# Rotation is unset
patternFill = fill.find(QName(xmlns, 'patternFill').text)
if patternFill is not None:
newFill = Fill()
newFill.fill_type = patternFill.get('patternType')
fgColor = patternFill.find(QName(xmlns, 'fgColor').text)
if fgColor is not None:
if fgColor.get('indexed') is not None and 0 <= int(fgColor.get('indexed')) < len(color_index):
newFill.start_color.index = color_index[int(fgColor.get('indexed'))]
elif fgColor.get('indexed') is not None:
# Invalid color - out of range of color_index, set to white
newFill.start_color.index = 'FFFFFFFF'
elif fgColor.get('theme') is not None:
if fgColor.get('tint') is not None:
newFill.start_color.index = 'theme:%s:%s' % (fgColor.get('theme'), fgColor.get('tint'))
else:
newFill.start_color.index = 'theme:%s:' % fgColor.get('theme') # prefix color with theme
else:
newFill.start_color.index = fgColor.get('rgb')
bgColor = patternFill.find(QName(xmlns, 'bgColor').text)
if bgColor is not None:
if bgColor.get('indexed') is not None and 0 <= int(bgColor.get('indexed')) < len(color_index):
newFill.end_color.index = color_index[int(bgColor.get('indexed'))]
elif bgColor.get('indexed') is not None:
# Invalid color - out of range of color_index, set to white
newFill.end_color.index = 'FFFFFFFF'
elif bgColor.get('theme') is not None:
if bgColor.get('tint') is not None:
newFill.end_color.index = 'theme:%s:%s' % (bgColor.get('theme'), bgColor.get('tint'))
else:
newFill.end_color.index = 'theme:%s:' % bgColor.get('theme') # prefix color with theme
elif bgColor.get('rgb'):
newFill.end_color.index = bgColor.get('rgb')
count += 1
fill_list.append(newFill)
return fill_list
def parse_borders(root, xmlns, color_index):
"""Read in the boarders"""
border_list = []
borders = root.find(QName(xmlns, 'borders').text)
if borders is not None:
boarderNodes = borders.findall(QName(xmlns, 'border').text)
count = 0
for boarder in boarderNodes:
newBorder = Borders()
if boarder.get('diagonalup') == 1:
newBorder.diagonal_direction = newBorder.DIAGONAL_UP
if boarder.get('diagonalDown') == 1:
if newBorder.diagonal_direction == newBorder.DIAGONAL_UP:
newBorder.diagonal_direction = newBorder.DIAGONAL_BOTH
else:
newBorder.diagonal_direction = newBorder.DIAGONAL_DOWN
for side in ('left', 'right', 'top', 'bottom', 'diagonal'):
node = boarder.find(QName(xmlns, side).text)
if node is not None:
borderSide = getattr(newBorder,side)
if node.get('style') is not None:
borderSide.border_style = node.get('style')
color = node.find(QName(xmlns, 'color').text)
if color is not None:
# Ignore 'auto'
if color.get('indexed') is not None and 0 <= int(color.get('indexed')) < len(color_index):
borderSide.color.index = color_index[int(color.get('indexed'))]
elif color.get('theme') is not None:
if color.get('tint') is not None:
borderSide.color.index = 'theme:%s:%s' % (color.get('theme'), color.get('tint'))
else:
borderSide.color.index = 'theme:%s:' % color.get('theme') # prefix color with theme
elif color.get('rgb'):
borderSide.color.index = color.get('rgb')
count += 1
border_list.append(newBorder)
return border_list
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