How to use the xhtml2pdf.reportlab_paragraph.FragLine function in xhtml2pdf

def makeCJKParaLine(U, extraSpace, calcBounds):
    words = []
    CW = []
    f0 = FragLine()
    maxSize = maxAscent = minDescent = 0
    for u in U:
        f = u.frag
        fontSize = f.fontSize
        if calcBounds:
            cbDefn = getattr(f, 'cbDefn', None)
            if getattr(cbDefn, 'width', 0):
                descent, ascent = imgVRange(cbDefn.height, cbDefn.valign, fontSize)
            else:
                ascent, descent = getAscentDescent(f.fontName, fontSize)
        else:
            ascent, descent = getAscentDescent(f.fontName, fontSize)
        maxSize = max(maxSize, fontSize)
        maxAscent = max(maxAscent, ascent)
        minDescent = min(minDescent, descent)
        if not _sameFrag(f0, f):

def makeCJKParaLine(U, extraSpace, calcBounds):
    words = []
    CW = []
    f0 = FragLine()
    maxSize = maxAscent = minDescent = 0
    for u in U:
        f = u.frag
        fontSize = f.fontSize
        if calcBounds:
            cbDefn = getattr(f, 'cbDefn', None)
            if getattr(cbDefn, 'width', 0):
                descent, ascent = imgVRange(cbDefn.height, cbDefn.valign, fontSize)
            else:
                ascent, descent = getAscentDescent(f.fontName, fontSize)
        else:
            ascent, descent = getAscentDescent(f.fontName, fontSize)
        maxSize = max(maxSize, fontSize)
        maxAscent = max(maxAscent, ascent)
        minDescent = min(minDescent, descent)
        if not _sameFrag(f0, f):

ascent, descent = getAscentDescent(g.fontName, fontSize)
                        else:
                            ascent, descent = getAscentDescent(g.fontName, fontSize)
                        maxSize = max(maxSize, fontSize)
                        maxAscent = max(maxAscent, ascent)
                        minDescent = min(minDescent, descent)

                    currentWidth = newWidth
                else:  # either it won't fit, or it's a lineBreak tag
                    if lineBreak:
                        g = f.clone()
                        words.append(g)

                    if currentWidth > self.width: self.width = currentWidth
                    #end of line
                    lines.append(FragLine(extraSpace=maxWidth - currentWidth, wordCount=n,
                                          lineBreak=lineBreak, words=words, fontSize=maxSize, ascent=maxAscent,
                                          descent=minDescent))

                    #start new line
                    lineno += 1
                    try:
                        maxWidth = maxWidths[lineno]
                    except IndexError:
                        maxWidth = maxWidths[-1]  # use the last one

                    if lineBreak:
                        n = 0
                        words = []
                        continue

                    currentWidth = wordWidth

ascent, descent = getAscentDescent(f.fontName, fontSize)
        maxSize = max(maxSize, fontSize)
        maxAscent = max(maxAscent, ascent)
        minDescent = min(minDescent, descent)
        if not _sameFrag(f0, f):
            f0 = f0.clone()
            f0.text = u''.join(CW)
            words.append(f0)
            CW = []
            f0 = f
        CW.append(u)
    if CW:
        f0 = f0.clone()
        f0.text = u''.join(CW)
        words.append(f0)
    return FragLine(kind=1, extraSpace=extraSpace, wordCount=1, words=words[1:], fontSize=maxSize, ascent=maxAscent,
                    descent=minDescent)

ascent, descent = getAscentDescent(g.fontName, fontSize)
                        else:
                            ascent, descent = getAscentDescent(g.fontName, fontSize)
                        maxSize = max(maxSize, fontSize)
                        maxAscent = max(maxAscent, ascent)
                        minDescent = min(minDescent, descent)

                    currentWidth = newWidth
                else:  # either it won't fit, or it's a lineBreak tag
                    if lineBreak:
                        g = f.clone()
                        words.append(g)

                    if currentWidth > self.width: self.width = currentWidth
                    #end of line
                    lines.append(FragLine(extraSpace=maxWidth - currentWidth, wordCount=n,
                                          lineBreak=lineBreak, words=words, fontSize=maxSize, ascent=maxAscent,
                                          descent=minDescent))

                    #start new line
                    lineno += 1
                    try:
                        maxWidth = maxWidths[lineno]
                    except IndexError:
                        maxWidth = maxWidths[-1]  # use the last one

                    if lineBreak:
                        n = 0
                        words = []
                        continue

                    currentWidth = wordWidth

ascent, descent = getAscentDescent(f.fontName, fontSize)
        maxSize = max(maxSize, fontSize)
        maxAscent = max(maxAscent, ascent)
        minDescent = min(minDescent, descent)
        if not _sameFrag(f0, f):
            f0 = f0.clone()
            f0.text = u''.join(CW)
            words.append(f0)
            CW = []
            f0 = f
        CW.append(u)
    if CW:
        f0 = f0.clone()
        f0.text = u''.join(CW)
        words.append(f0)
    return FragLine(kind=1, extraSpace=extraSpace, wordCount=1, words=words[1:], fontSize=maxSize, ascent=maxAscent,
                    descent=minDescent)