old_contents: from flask import Flask, jsonify, render_template, request
  import json
  import os
  app = Flask(__name__)
  if os.environ.get('DEBUG_MODE',False):
      app.debug = True
  
  @app.route("/")
  def home():
      return render_template("form.html")
  
  @app.route("/robots.txt")
  def robotstxt():
      return "User-agent: *\r\nDisallow: /\r\n"
  
  # Tries to inline css, raises exception if it can't
  # Pass any Premailer initializer arguements in as keyword arguments
  def transform_inline_css(full_html_content, **kwargs):
  
      # Assume we care about these, set sane defaults
      # Pop because we don't want to pass in 2 keyword
      # arguements with the same names.
      exclude_pseudoclasses = kwargs.get('exclude_pseudoclasses', True)
      keep_style_tags = kwargs.get('keep_style_tags', True)
      remove_classes = kwargs.get('remove_classes', False)
      disable_basic_attributes = kwargs.pop('disable_basic_attributes', ['width','height','align'])
      strip_important = kwargs.pop('strip_important', False)
  
      # Remove the html value, it has been passed in seperately as full_html_content
      kwargs.pop('html', False)
  
      # Attempt to inline the CSS
      from premailer import transform, Premailer
      import namedentities
      p = Premailer(html=full_html_content, exclude_pseudoclasses=exclude_pseudoclasses, keep_style_tags=keep_style_tags,
                  remove_classes=remove_classes, disable_basic_attributes=disable_basic_attributes, strip_important=strip_important, **kwargs)
  
      new_content = p.transform(encoding='ascii') # ascii output encoding means unicode is escaped
      # Need to fix the helpful replacements it made
      new_content = new_content.replace('%7B', '{')
      new_content = new_content.replace('%7D', '}')
      # replace unicode or numberic escaped unicode with named entities (where possible)
      new_content = namedentities.named_entities(new_content)
  
      return new_content
  
  
  @app.route("/inliner", methods=['POST'])
  def inline_html():
      inhtml = request.form['inhtml']
      outhtml = transform_inline_css(inhtml)
      return render_template("form.html", inhtml=inhtml, outhtml=outhtml)
  
  if __name__ == "__main__":
      app.run()
new_contents: from flask import Flask, jsonify, render_template, request
  import json
  import os
  app = Flask(__name__)
  if os.environ.get('DEBUG_MODE',False):
      app.debug = True
  
  @app.route("/")
  def home():
      return render_template("form.html")
  
  @app.route("/robots.txt")
  def robotstxt():
      return "User-agent: *\r\nDisallow: /\r\n"
  
  # Tries to inline css, raises exception if it can't
  # Pass any Premailer initializer arguements in as keyword arguments
  def transform_inline_css(full_html_content, **kwargs):
  
      # Assume we care about these, set sane defaults
      # Pop because we don't want to pass in 2 keyword
      # arguements with the same names.
      exclude_pseudoclasses = kwargs.pop('exclude_pseudoclasses', True)
      keep_style_tags = kwargs.pop('keep_style_tags', True)
      remove_classes = kwargs.pop('remove_classes', False)
      disable_basic_attributes = kwargs.pop('disable_basic_attributes', ['width','height','align'])
      strip_important = kwargs.pop('strip_important', False)
      # Remove the html value, it has been passed in seperately as full_html_content
      kwargs.pop('html', False)
  
      # Attempt to inline the CSS
      from premailer import transform, Premailer
      import namedentities
      p = Premailer(html=full_html_content, exclude_pseudoclasses=exclude_pseudoclasses, keep_style_tags=keep_style_tags,
                  remove_classes=remove_classes, disable_basic_attributes=disable_basic_attributes, strip_important=strip_important, **kwargs)
  
      new_content = p.transform(encoding='ascii') # ascii output encoding means unicode is escaped
      # Need to fix the helpful replacements it made
      new_content = new_content.replace('%7B', '{')
      new_content = new_content.replace('%7D', '}')
      # replace unicode or numberic escaped unicode with named entities (where possible)
      new_content = namedentities.named_entities(new_content)
  
      return new_content
  
  
  @app.route("/inliner", methods=['POST'])
  def inline_html():
      inhtml = request.form['inhtml']
      outhtml = transform_inline_css(inhtml,keep_style_tags=False)
      return render_template("form.html", inhtml=inhtml, outhtml=outhtml)
  
  if __name__ == "__main__":
      app.run()
subject: update inliner to match current site settings