xhtmlを生成するクラス

#-*- coding: utf-8 -*-
import os
import csv
import xml.dom
import optparse

class XHTML(object):
    def __init__(self):
        impl = xml.dom.getDOMImplementation()
        self.doc = impl.createDocument('', 'html', '')
        self.root = self.doc.documentElement

    def add(self, *children):
        for child in children:
            self.root.appendChild(child)

    def text(self, parent, line):
        first = True
        for l in line.split('\n'):
            #if l.strip() == '':
            #    continue

            if first is False:
                br = self.br()
                parent.appendChild(br)
            else:
                first = False
            txt = self.doc.createTextNode(l)
            parent.appendChild(txt)

    def set_text_attr(self, parent, text='', children=[], **attrs):
        for key, value in attrs.iteritems():
            if key[0] == '_':
                key = key[1:]
            parent.setAttribute(key, str(value))

        for elm in children:
            parent.appendChild(elm)

        if text != '':
            self.text(parent, text)

    def tag(self, name, *args, **kwds):
        elm = self.doc.createElement(name)
        self.set_text_attr(elm, *args, **kwds)
        return elm

    def singletag(self, name, *args, **kwds):
        tags = self.doc.getElementsByTagName(name)
        length = len(tags)
        assert length in (0, 1), length

        elm = None
        if length == 0:
            elm = self.tag(name, *args, **kwds)
            self.add(elm)
        else:
            elm = tags[0]
            self.set_text_attr(elm, *args, **kwds)
        return elm

    
    # mark up
    def strong(self, *args, **kwds):
        return self.tag('strong', *args, **kwds)

    def font(self, *args, **kwds):
        return self.tag('font', *args, **kwds)

    def b(self, *args, **kwds):
        return self.tag('b', *args, **kwds)

    def i(self, *args, **kwds):
        return self.tag('i', *args, **kwds)

    def em(self, *args, **kwds):
        return self.tag('em', *args, **kwds)

    def u(self, *args, **kwds):
        return self.tag('u', *args, **kwds)

    def s(self, *args, **kwds):
        return self.tag('s', *args, **kwds)

    def tt(self, *args, **kwds):
        return self.tag('tt', *args, **kwds)

    def blink(self, *args, **kwds):
        return self.tag('blink', *args, **kwds)

    def marquee(self, *args, **kwds):
        return self.tag('marquee', *args, **kwds)

    ## layout
    def br(self, *args, **kwds):
        return self.tag('br', *args, **kwds)

    def p(self, *args, **kwds):
        return self.tag('p', *args, **kwds)

    def div(self, *args, **kwds):
        return self.tag('div', *args, **kwds)

    def ruby(self, *args, **kwds):
        return self.tag('ruby', *args, **kwds)

    def blockquote(self, *args, **kwds):
        return self.tag('blockquote', *args, **kwds)

    def pre(self, *args, **kwds):
        return self.tag('pre', *args, **kwds)

    def pre(self, *args, **kwds):
        return self.tag('pre', *args, **kwds)

    def bdo(self, *args, **kwds):
        return self.tag('pre', *args, **kwds)

    ## link
    def a(self, *args, **kwds):
        return self.tag('a', *args, **kwds)

    def img(self, *args, **kwds):
        return self.tag('img', *args, **kwds)

    ## table
    def table(self, *args, **kwds):
        return self.tag('table', *args, **kwds)

    def caption(self, *args, **kwds):
        return self.tag('caption', *args, **kwds)

    def th(self, *args, **kwds):
        return self.tag('th', *args, **kwds)

    def td(self, *args, **kwds):
        return self.tag('td', *args, **kwds)

    def td(self, *args, **kwds):
        return self.tag('td', *args, **kwds)

    ## headline
    def h1(self, *args, **kwds):
        return self.tag('h1', *args, **kwds)

    def h2(self, *args, **kwds):
        return self.tag('h2', *args, **kwds)

    def h3(self, *args, **kwds):
        return self.tag('h3', *args, **kwds)

    def h4(self, *args, **kwds):
        return self.tag('h4', *args, **kwds)

    ## list
    def ul(self, *args, **kwds):
        return self.tag('ul', *args, **kwds)

    def ol(self, *args, **kwds):
        return self.tag('ol', *args, **kwds)

    def li(self, *args, **kwds):
        return self.tag('li', *args, **kwds)

    ## definitial list
    def dl(self, *args, **kwds):
        return self.tag('dl', *args, **kwds)

    def dt(self, *args, **kwds):
        return self.tag('dt', *args, **kwds)

    def dd(self, *args, **kwds):
        return self.tag('dd', *args, **kwds)

    ## frame
    def frameset(self, *args, **kwds):
        return self.tag('frameset', *args, **kwds)

    def iframe(self, *args, **kwds):
        return self.tag('iframe', *args, **kwds)

    ## elements
    def head(self, *args, **kwds):
        return self.singletag('head', *args, **kwds)

    def title(self, *args, **kwds):
        return self.singletag('title', *args, **kwds)

    def body(self, *args, **kwds):
        return self.singletag('body', *args, **kwds)