/usr/share/pyshared/openpyxl/writer/styles.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
"""Write the shared style table."""
# package imports
from openpyxl.shared.xmltools import Element, SubElement
from openpyxl.shared.xmltools import get_document_content
from openpyxl import style
class StyleWriter(object):
def __init__(self, workbook):
self._style_list = self._get_style_list(workbook)
self._root = Element('styleSheet',
{'xmlns':'http://schemas.openxmlformats.org/spreadsheetml/2006/main'})
def _get_style_list(self, workbook):
crc = {}
for worksheet in workbook.worksheets:
uniqueStyles = dict((id(style), style) for style in worksheet._styles.values()).values()
for style in uniqueStyles:
crc[hash(style)] = style
self.style_table = dict([(style, i + 1) \
for i, style in enumerate(crc.values())])
sorted_styles = sorted(self.style_table.items(), \
key=lambda pair:pair[1])
return [s[0] for s in sorted_styles]
def get_style_by_hash(self):
return dict([(hash(style), id) \
for style, id in self.style_table.items()])
def write_table(self):
number_format_table = self._write_number_formats()
fonts_table = self._write_fonts()
fills_table = self._write_fills()
borders_table = self._write_borders()
self._write_cell_style_xfs()
self._write_cell_xfs(number_format_table, fonts_table, fills_table, borders_table)
self._write_cell_style()
self._write_dxfs()
self._write_table_styles()
return get_document_content(xml_node=self._root)
def _write_fonts(self):
""" add fonts part to root
return {font.crc => index}
"""
fonts = SubElement(self._root, 'fonts')
# default
font_node = SubElement(fonts, 'font')
SubElement(font_node, 'sz', {'val':'11'})
SubElement(font_node, 'color', {'theme':'1'})
SubElement(font_node, 'name', {'val':'Calibri'})
SubElement(font_node, 'family', {'val':'2'})
SubElement(font_node, 'scheme', {'val':'minor'})
# others
table = {}
index = 1
for st in self._style_list:
if hash(st.font) != hash(style.DEFAULTS.font) and hash(st.font) not in table:
table[hash(st.font)] = str(index)
font_node = SubElement(fonts, 'font')
SubElement(font_node, 'sz', {'val':str(st.font.size)})
if str(st.font.color.index).split(':')[0] == 'theme': # strip prefix theme if marked as such
if str(st.font.color.index).split(':')[2]:
SubElement(font_node, 'color', {'theme':str(st.font.color.index).split(':')[1],
'tint':str(st.font.color.index).split(':')[2]})
else:
SubElement(font_node, 'color', {'theme':str(st.font.color.index).split(':')[1]})
else:
SubElement(font_node, 'color', {'rgb':str(st.font.color.index)})
SubElement(font_node, 'name', {'val':st.font.name})
SubElement(font_node, 'family', {'val':'2'})
# Don't write the 'scheme' element because it appears to prevent
# the font name from being applied in Excel.
#SubElement(font_node, 'scheme', {'val':'minor'})
if st.font.bold:
SubElement(font_node, 'b')
if st.font.italic:
SubElement(font_node, 'i')
if st.font.underline == 'single':
SubElement(font_node, 'u')
index += 1
fonts.attrib["count"] = str(index)
return table
def _write_fills(self):
fills = SubElement(self._root, 'fills', {'count':'2'})
fill = SubElement(fills, 'fill')
SubElement(fill, 'patternFill', {'patternType':'none'})
fill = SubElement(fills, 'fill')
SubElement(fill, 'patternFill', {'patternType':'gray125'})
table = {}
index = 2
for st in self._style_list:
if hash(st.fill) != hash(style.DEFAULTS.fill) and hash(st.fill) not in table:
table[hash(st.fill)] = str(index)
fill = SubElement(fills, 'fill')
if hash(st.fill.fill_type) != hash(style.DEFAULTS.fill.fill_type):
node = SubElement(fill, 'patternFill', {'patternType':st.fill.fill_type})
if hash(st.fill.start_color) != hash(style.DEFAULTS.fill.start_color):
if str(st.fill.start_color.index).split(':')[0] == 'theme': # strip prefix theme if marked as such
if str(st.fill.start_color.index).split(':')[2]:
SubElement(node, 'fgColor', {'theme':str(st.fill.start_color.index).split(':')[1],
'tint':str(st.fill.start_color.index).split(':')[2]})
else:
SubElement(node, 'fgColor', {'theme':str(st.fill.start_color.index).split(':')[1]})
else:
SubElement(node, 'fgColor', {'rgb':str(st.fill.start_color.index)})
if hash(st.fill.end_color) != hash(style.DEFAULTS.fill.end_color):
if str(st.fill.end_color.index).split(':')[0] == 'theme': # strip prefix theme if marked as such
if str(st.fill.end_color.index).split(':')[2]:
SubElement(node, 'bgColor', {'theme':str(st.fill.end_color.index).split(':')[1],
'tint':str(st.fill.end_color.index).split(':')[2]})
else:
SubElement(node, 'bgColor', {'theme':str(st.fill.end_color.index).split(':')[1]})
else:
SubElement(node, 'bgColor', {'rgb':str(st.fill.end_color.index)})
index += 1
fills.attrib["count"] = str(index)
return table
def _write_borders(self):
borders = SubElement(self._root, 'borders')
# default
border = SubElement(borders, 'border')
SubElement(border, 'left')
SubElement(border, 'right')
SubElement(border, 'top')
SubElement(border, 'bottom')
SubElement(border, 'diagonal')
# others
table = {}
index = 1
for st in self._style_list:
if hash(st.borders) != hash(style.DEFAULTS.borders) and hash(st.borders) not in table:
table[hash(st.borders)] = str(index)
border = SubElement(borders, 'border')
# caution: respect this order
for side in ('left', 'right', 'top', 'bottom', 'diagonal'):
obj = getattr(st.borders, side)
if obj.border_style is None or obj.border_style == 'none':
node = SubElement(border, side)
attrs = {}
else:
node = SubElement(border, side, {'style':obj.border_style})
if str(obj.color.index).split(':')[0] == 'theme': # strip prefix theme if marked as such
if str(obj.color.index).split(':')[2]:
SubElement(node, 'color', {'theme':str(obj.color.index).split(':')[1],
'tint':str(obj.color.index).split(':')[2]})
else:
SubElement(node, 'color', {'theme':str(obj.color.index).split(':')[1]})
else:
SubElement(node, 'color', {'rgb':str(obj.color.index)})
index += 1
borders.attrib["count"] = str(index)
return table
def _write_cell_style_xfs(self):
cell_style_xfs = SubElement(self._root, 'cellStyleXfs', {'count':'1'})
xf = SubElement(cell_style_xfs, 'xf',
{'numFmtId':"0", 'fontId':"0", 'fillId':"0", 'borderId':"0"})
def _write_cell_xfs(self, number_format_table, fonts_table, fills_table, borders_table):
""" write styles combinations based on ids found in tables """
# writing the cellXfs
cell_xfs = SubElement(self._root, 'cellXfs',
{'count':'%d' % (len(self._style_list) + 1)})
# default
def _get_default_vals():
return dict(numFmtId='0', fontId='0', fillId='0',
xfId='0', borderId='0')
SubElement(cell_xfs, 'xf', _get_default_vals())
for st in self._style_list:
vals = _get_default_vals()
if hash(st.font) != hash(style.DEFAULTS.font):
vals['fontId'] = fonts_table[hash(st.font)]
vals['applyFont'] = '1'
if hash(st.borders) != hash(style.DEFAULTS.borders):
vals['borderId'] = borders_table[hash(st.borders)]
vals['applyBorder'] = '1'
if hash(st.fill) != hash(style.DEFAULTS.fill):
vals['fillId'] = fills_table[hash(st.fill)]
vals['applyFill'] = '1'
if st.number_format != style.DEFAULTS.number_format:
vals['numFmtId'] = '%d' % number_format_table[st.number_format]
vals['applyNumberFormat'] = '1'
if hash(st.alignment) != hash(style.DEFAULTS.alignment):
vals['applyAlignment'] = '1'
node = SubElement(cell_xfs, 'xf', vals)
if hash(st.alignment) != hash(style.DEFAULTS.alignment):
alignments = {}
for align_attr in ['horizontal', 'vertical']:
if hash(getattr(st.alignment, align_attr)) != hash(getattr(style.DEFAULTS.alignment, align_attr)):
alignments[align_attr] = getattr(st.alignment, align_attr)
if hash(st.alignment.wrap_text) != hash(style.DEFAULTS.alignment.wrap_text):
alignments['wrapText'] = '1'
if hash(st.alignment.shrink_to_fit) != hash(style.DEFAULTS.alignment.shrink_to_fit):
alignments['shrinkToFit'] = '1'
if st.alignment.indent > 0:
alignments['indent'] = '%s' % st.alignment.indent
if st.alignment.text_rotation > 0:
alignments['textRotation'] = '%s' % st.alignment.text_rotation
elif st.alignment.text_rotation < 0:
alignments['textRotation'] = '%s' % (90 - st.alignment.text_rotation)
SubElement(node, 'alignment', alignments)
def _write_cell_style(self):
cell_styles = SubElement(self._root, 'cellStyles', {'count':'1'})
cell_style = SubElement(cell_styles, 'cellStyle',
{'name':"Normal", 'xfId':"0", 'builtinId':"0"})
def _write_dxfs(self):
dxfs = SubElement(self._root, 'dxfs', {'count':'0'})
def _write_table_styles(self):
table_styles = SubElement(self._root, 'tableStyles',
{'count':'0', 'defaultTableStyle':'TableStyleMedium9',
'defaultPivotStyle':'PivotStyleLight16'})
def _write_number_formats(self):
number_format_table = {}
number_format_list = []
exceptions_list = []
num_fmt_id = 165 # start at a greatly higher value as any builtin can go
num_fmt_offset = 0
for style in self._style_list:
if not style.number_format in number_format_list :
number_format_list.append(style.number_format)
for number_format in number_format_list:
if number_format.is_builtin():
btin = number_format.builtin_format_id(number_format.format_code)
number_format_table[number_format] = btin
else:
number_format_table[number_format] = num_fmt_id + num_fmt_offset
num_fmt_offset += 1
exceptions_list.append(number_format)
num_fmts = SubElement(self._root, 'numFmts',
{'count':'%d' % len(exceptions_list)})
for number_format in exceptions_list :
SubElement(num_fmts, 'numFmt',
{'numFmtId':'%d' % number_format_table[number_format],
'formatCode':'%s' % number_format.format_code})
return number_format_table
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