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    <p>Here's an example of usage of code that I'll propose as a patch against xlutils 1.4.1 </p> <pre><code># coding: ascii import xlrd, xlwt # Demonstration of copy2 patch for xlutils 1.4.1 # Context: # xlutils.copy.copy(xlrd_workbook) -&gt; xlwt_workbook # copy2(xlrd_workbook) -&gt; (xlwt_workbook, style_list) # style_list is a conversion of xlrd_workbook.xf_list to xlwt-compatible styles # Step 1: Create an input file for the demo def create_input_file(): wtbook = xlwt.Workbook() wtsheet = wtbook.add_sheet(u'First') colours = 'white black red green blue pink turquoise yellow'.split() fancy_styles = [xlwt.easyxf( 'font: name Times New Roman, italic on;' 'pattern: pattern solid, fore_colour %s;' % colour) for colour in colours] for rowx in xrange(8): wtsheet.write(rowx, 0, rowx) wtsheet.write(rowx, 1, colours[rowx], fancy_styles[rowx]) wtbook.save('demo_copy2_in.xls') # Step 2: Copy the file, changing data content # ('pink' -&gt; 'MAGENTA', 'turquoise' -&gt; 'CYAN') # without changing the formatting from xlutils.filter import process,XLRDReader,XLWTWriter # Patch: add this function to the end of xlutils/copy.py def copy2(wb): w = XLWTWriter() process( XLRDReader(wb,'unknown.xls'), w ) return w.output[0][1], w.style_list def update_content(): rdbook = xlrd.open_workbook('demo_copy2_in.xls', formatting_info=True) sheetx = 0 rdsheet = rdbook.sheet_by_index(sheetx) wtbook, style_list = copy2(rdbook) wtsheet = wtbook.get_sheet(sheetx) fixups = [(5, 1, 'MAGENTA'), (6, 1, 'CYAN')] for rowx, colx, value in fixups: xf_index = rdsheet.cell_xf_index(rowx, colx) wtsheet.write(rowx, colx, value, style_list[xf_index]) wtbook.save('demo_copy2_out.xls') create_input_file() update_content() </code></pre>
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    1. POPreserving styles using python's xlrd,xlwt, and xlutils.copy
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    1. USJohn Machin
    1. USJohn Machin
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    1. COA better fix would be xlwt adding a `wb.write_value(row, col, value)`. This works, but has a lot of code stink in my book, working around a poor implementation of xlwt.
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