mirror of
https://github.com/noDRM/DeDRM_tools.git
synced 2024-11-05 13:36:10 +06:00
244 lines
8.8 KiB
Python
244 lines
8.8 KiB
Python
#! /usr/bin/python
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# vim:ts=4:sw=4:softtabstop=4:smarttab:expandtab
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# For use with Topaz Scripts Version 2.6
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import csv
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import sys
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import os
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import getopt
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from struct import pack
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from struct import unpack
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class DocParser(object):
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def __init__(self, flatxml, fontsize, ph, pw):
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self.flatdoc = flatxml.split('\n')
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self.fontsize = int(fontsize)
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self.ph = int(ph) * 1.0
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self.pw = int(pw) * 1.0
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stags = {
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'paragraph' : 'p',
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'graphic' : '.graphic'
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}
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attr_val_map = {
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'hang' : 'text-indent: ',
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'indent' : 'text-indent: ',
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'line-space' : 'line-height: ',
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'margin-bottom' : 'margin-bottom: ',
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'margin-left' : 'margin-left: ',
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'margin-right' : 'margin-right: ',
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'margin-top' : 'margin-top: ',
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'space-after' : 'padding-bottom: ',
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}
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attr_str_map = {
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'align-center' : 'text-align: center; margin-left: auto; margin-right: auto;',
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'align-left' : 'text-align: left;',
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'align-right' : 'text-align: right;',
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'align-justify' : 'text-align: justify;',
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'display-inline' : 'display: inline;',
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'pos-left' : 'text-align: left;',
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'pos-right' : 'text-align: right;',
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'pos-center' : 'text-align: center; margin-left: auto; margin-right: auto;',
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}
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# find tag if within pos to end inclusive
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def findinDoc(self, tagpath, pos, end) :
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result = None
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docList = self.flatdoc
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cnt = len(docList)
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if end == -1 :
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end = cnt
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else:
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end = min(cnt,end)
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foundat = -1
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for j in xrange(pos, end):
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item = docList[j]
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if item.find('=') >= 0:
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(name, argres) = item.split('=',1)
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else :
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name = item
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argres = ''
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if name.endswith(tagpath) :
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result = argres
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foundat = j
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break
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return foundat, result
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# return list of start positions for the tagpath
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def posinDoc(self, tagpath):
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startpos = []
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pos = 0
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res = ""
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while res != None :
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(foundpos, res) = self.findinDoc(tagpath, pos, -1)
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if res != None :
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startpos.append(foundpos)
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pos = foundpos + 1
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return startpos
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def process(self):
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classlst = ''
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csspage = '.cl-center { text-align: center; margin-left: auto; margin-right: auto; }\n'
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csspage += '.cl-right { text-align: right; }\n'
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csspage += '.cl-left { text-align: left; }\n'
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csspage += '.cl-justify { text-align: justify; }\n'
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# generate a list of each <style> starting point in the stylesheet
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styleList= self.posinDoc('book.stylesheet.style')
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stylecnt = len(styleList)
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styleList.append(-1)
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# process each style converting what you can
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for j in xrange(stylecnt):
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start = styleList[j]
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end = styleList[j+1]
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(pos, tag) = self.findinDoc('style._tag',start,end)
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if tag == None :
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(pos, tag) = self.findinDoc('style.type',start,end)
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# Is this something we know how to convert to css
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if tag in self.stags :
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# get the style class
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(pos, sclass) = self.findinDoc('style.class',start,end)
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if sclass != None:
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sclass = sclass.replace(' ','-')
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sclass = '.cl-' + sclass.lower()
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else :
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sclass = ''
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# check for any "after class" specifiers
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(pos, aftclass) = self.findinDoc('style._after_class',start,end)
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if aftclass != None:
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aftclass = aftclass.replace(' ','-')
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aftclass = '.cl-' + aftclass.lower()
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else :
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aftclass = ''
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cssargs = {}
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while True :
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(pos1, attr) = self.findinDoc('style.rule.attr', start, end)
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(pos2, val) = self.findinDoc('style.rule.value', start, end)
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if attr == None : break
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if (attr == 'display') or (attr == 'pos') or (attr == 'align'):
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# handle text based attributess
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attr = attr + '-' + val
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if attr in self.attr_str_map :
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cssargs[attr] = (self.attr_str_map[attr], '')
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else :
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# handle value based attributes
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if attr in self.attr_val_map :
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name = self.attr_val_map[attr]
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if attr in ('margin-bottom', 'margin-top', 'space-after') :
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scale = self.ph
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elif attr in ('margin-right', 'indent', 'margin-left', 'hang') :
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scale = self.pw
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elif attr == 'line-space':
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scale = self.fontsize * 2.0
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if not ((attr == 'hang') and (int(val) == 0)) :
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pv = float(val)/scale
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cssargs[attr] = (self.attr_val_map[attr], pv)
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keep = True
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start = max(pos1, pos2) + 1
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# disable all of the after class tags until I figure out how to handle them
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if aftclass != "" : keep = False
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if keep :
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# make sure line-space does not go below 100% or above 300% since
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# it can be wacky in some styles
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if 'line-space' in cssargs:
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seg = cssargs['line-space'][0]
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val = cssargs['line-space'][1]
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if val < 1.0: val = 1.0
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if val > 3.0: val = 3.0
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del cssargs['line-space']
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cssargs['line-space'] = (self.attr_val_map['line-space'], val)
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# handle modifications for css style hanging indents
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if 'hang' in cssargs:
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hseg = cssargs['hang'][0]
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hval = cssargs['hang'][1]
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del cssargs['hang']
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cssargs['hang'] = (self.attr_val_map['hang'], -hval)
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mval = 0
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mseg = 'margin-left: '
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mval = hval
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if 'margin-left' in cssargs:
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mseg = cssargs['margin-left'][0]
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mval = cssargs['margin-left'][1]
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if mval < 0: mval = 0
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mval = hval + mval
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cssargs['margin-left'] = (mseg, mval)
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if 'indent' in cssargs:
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del cssargs['indent']
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cssline = sclass + ' { '
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for key in iter(cssargs):
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mseg = cssargs[key][0]
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mval = cssargs[key][1]
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if mval == '':
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cssline += mseg + ' '
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else :
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aseg = mseg + '%.1f%%;' % (mval * 100.0)
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cssline += aseg + ' '
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cssline += '}'
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if sclass != '' :
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classlst += sclass + '\n'
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# handle special case of paragraph class used inside chapter heading
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# and non-chapter headings
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if sclass != '' :
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ctype = sclass[4:7]
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if ctype == 'ch1' :
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csspage += 'h1' + cssline + '\n'
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if ctype == 'ch2' :
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csspage += 'h2' + cssline + '\n'
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if ctype == 'ch3' :
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csspage += 'h3' + cssline + '\n'
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if ctype == 'h1-' :
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csspage += 'h4' + cssline + '\n'
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if ctype == 'h2-' :
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csspage += 'h5' + cssline + '\n'
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if ctype == 'h3_' :
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csspage += 'h6' + cssline + '\n'
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if cssline != ' { }':
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csspage += self.stags[tag] + cssline + '\n'
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return csspage, classlst
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def convert2CSS(flatxml, fontsize, ph, pw):
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print ' ', 'Using font size:',fontsize
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print ' ', 'Using page height:', ph
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print ' ', 'Using page width:', pw
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# create a document parser
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dp = DocParser(flatxml, fontsize, ph, pw)
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csspage = dp.process()
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return csspage
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