old_contents: """
  @file
  @brief Manipulate :epkg:`RSS` streams.
  """
  import os
  from ..rss.rss_helper import enumerate_rss_merge, to_rss, to_html
  
  
  def compile_rss_blogs(links, url, description,
                        template=None, title="BLOG",
                        author="AUTHOR", keywords="blog,python",
                        out_html="index.html", out_rss="rssfile.xml",
                        validate=None, fLOG=print):
      """
      Compiles multiple blogs in one single blog. Uses
      :epkg:`RSS` files.
  
      @param      links           list of urls of blogs to merge
      @param      url             publishing url
      @param      description     description of the aggregation
      @param      title           title of the aggregation
      @param      author          author of the aggregation
      @param      keywords        keywords for the blog post
      @param      template        change the template for the blog aggregation
      @param      out_html        output :epkg:`HTML`
      @param      out_rss         output :epkg:`RSS`
      @param      validate        None or a function to validate a blog post,
                                  ``validate(blog: BlogPost) -> bool``
      @param      fLOG            logging function
      """
      collect = []
      for i, blog in enumerate(
              enumerate_rss_merge(
                  links, title=title, min_size=min_size)):
          fLOG("[compile_rss_blogs] reading blog {0}: {1} - '{2}'".format(
              i, blog.pubDate, blog.link))
          if validate in (None, '') or validate(blog):
              collect.append(blog)
  
      fLOG("[compile_rss_blogs] create '{0}'".format(out_rss))
      rss = to_rss(collect, url, description)
      with open(out_rss, "w", encoding="utf-8") as f:
          f.write(rss)
  
      fLOG("[compile_rss_blogs] create '{0}'".format(out_html))
      html = to_html(collect, template=template, title=title,
                     author=author, keywords=keywords,
                     header=description, rssfile=os.path.split(out_rss)[-1])
      with open(out_html, "w", encoding="utf-8") as f:
          f.write(html)
  
new_contents: """
  @file
  @brief Manipulate :epkg:`RSS` streams.
  """
  import os
  from ..rss.rss_helper import enumerate_rss_merge, to_rss, to_html
  
  
  def compile_rss_blogs(links, url, description,
                        template=None, title="BLOG",
                        author="AUTHOR", keywords="blog,python",
                        out_html="index.html", out_rss="rssfile.xml",
                        validate=None, fLOG=print):
      """
      Compiles multiple blogs in one single blog. Uses
      :epkg:`RSS` files.
  
      @param      links           list of urls of blogs to merge
      @param      url             publishing url
      @param      description     description of the aggregation
      @param      title           title of the aggregation
      @param      author          author of the aggregation
      @param      keywords        keywords for the blog post
      @param      template        change the template for the blog aggregation
      @param      out_html        output :epkg:`HTML`
      @param      out_rss         output :epkg:`RSS`
      @param      validate        None or a function to validate a blog post,
                                  ``validate(blog: BlogPost) -> bool``
      @param      fLOG            logging function
      """
      collect = []
      for i, blog in enumerate(
              enumerate_rss_merge(
                  links, title=title, min_size=None)):
          fLOG("[compile_rss_blogs] reading blog {0}: {1} - '{2}'".format(
              i, blog.pubDate, blog.link))
          if validate in (None, '') or validate(blog):
              collect.append(blog)
  
      fLOG("[compile_rss_blogs] create '{0}'".format(out_rss))
      rss = to_rss(collect, url, description)
      with open(out_rss, "w", encoding="utf-8") as f:
          f.write(rss)
  
      fLOG("[compile_rss_blogs] create '{0}'".format(out_html))
      html = to_html(collect, template=template, title=title,
                     author=author, keywords=keywords,
                     header=description, rssfile=os.path.split(out_rss)[-1])
      with open(out_html, "w", encoding="utf-8") as f:
          f.write(html)
  
subject: Update merge_rss.py