HTML TO J2HTML WHEN WILL THE MADNESS STOP?

html-to-j2html.py

#! /usr/bin/env python3

from html.parser import HTMLParser
import io
import sys

class J2HtmlGenerator(HTMLParser):
  def __init__(self):
    HTMLParser.__init__(self)

    self.output = io.StringIO()
    self.attr_stack = []
    self.last_out_token = ""

  def _append_output(self, out):
    self.output.write(out)
    self.last_out_token = out

  def _prepend_comma_if_needed(self):
    if self.last_out_token.endswith(")"):
      self._append_output(", ")

  def handle_starttag(self, tag, attrs):
    self.attr_stack.append(attrs)

    self._prepend_comma_if_needed()
    self._append_output(tag + "(")

  def handle_endtag(self, tag):
    self._append_output(")")

    attrs = self.attr_stack.pop()

    if not attrs:
      return

    for attr_pair in attrs:
      name = attr_pair[0]
      val = attr_pair[1]

      if name == "class":
        self._append_output('.withClass("' + val + '")')
      elif name == "id":
        self._append_output('.withId("' + val + '")')
      elif name == "href":
        self._append_output('.withHref("' + val + '")')
      elif name == "name":
        self._append_output('.withName("' + val + '")')
      elif name == "accept":
        self._append_output('.withAccept("' + val + '")')
      elif name == "src":
        self._append_output('.withSrc("' + val + '")')
      elif name == "alt":
        self._append_output('.withAlt("' + val + '")')
      elif name == "action":
        self._append_output('.withAction("' + val + '")')
      elif name == "method":
        self._append_output('.withMethod("' + val + '")')
      elif name == "value":
        self._append_output('.withValue("' + val + '")')
      elif name == "type":
        self._append_output('.withType("' + val + '")')
      else:
        self._append_output('.attr("' + name + '", "' + val + '")')

  def handle_data(self, data):
    data = data.strip()

    if data:
      self._prepend_comma_if_needed()
      self._append_output('text("' + data + '")')

  def result(self):
    return self.output.getvalue()

generator = J2HtmlGenerator()
generator.feed(sys.stdin.read())

print(generator.result() + ";")