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add xsl style to rss feed

Thomas Buck 1 ano atrás
pai
da7aa90575
commit
0770106dfe
2 arquivos alterados com 146 adições e 1 exclusões
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  1. 3
    1
      macros.py
  2. 143
    0
      static/css/rss.xsl

+ 3
- 1
macros.py Ver arquivo 

@@ -546,6 +546,7 @@ def hook_preconvert_sitemap():
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 # -----------------------------------------------------------------------------
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 _RSS = """<?xml version="1.0" encoding="UTF-8"?>
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+<?xml-stylesheet href="%s" type="text/xsl"?>
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 <rss version="2.0" xmlns:atom="http://www.w3.org/2005/Atom">
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 <channel>
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 <title>%s</title>
 
@@ -609,13 +610,14 @@ def hook_postconvert_rss():
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     items = "".join(items)
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+    style = "/css/rss.xsl"
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     title = "xythobuz.de Blog"
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     link = "%s" % BASE_URL
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     feed = "%s/rss.xml" % BASE_URL
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     desc = htmlspecialchars("xythobuz Electronics & Software Projects")
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     date = email.utils.formatdate()
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-    rss = _RSS % (title, link, feed, desc, date, date, items)
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+    rss = _RSS % (style, title, link, feed, desc, date, date, items)
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     fp = codecs.open(os.path.join(output, "rss.xml"), "w", "utf-8")
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     fp.write(rss)

+ 143
- 0
static/css/rss.xsl Ver arquivo 

@@ -0,0 +1,143 @@
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+<?xml version="1.0" encoding="utf-8"?>
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+<!--
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+
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+# Pretty Feed
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+
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+Styles an RSS/Atom feed, making it friendly for humans viewers, and adds a link
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+to aboutfeeds.com for new user onboarding. See it in action:
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+
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+   https://interconnected.org/home/feed
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+
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+
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+## How to use
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+
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+1. Download this XML stylesheet from the following URL and host it on your own
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+   domain (this is a limitation of XSL in browsers):
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+
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+   https://github.com/genmon/aboutfeeds/blob/main/tools/pretty-feed-v3.xsl
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+
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+2. Include the XSL at the top of the RSS/Atom feed, like:
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+
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+```
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+<?xml version="1.0" encoding="UTF-8"?>
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+<?xml-stylesheet href="/PATH-TO-YOUR-STYLES/pretty-feed-v3.xsl" type="text/xsl"?>
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+```
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+
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+3. Serve the feed with the following HTTP headers:
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+
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+```
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+Content-Type: application/xml; charset=utf-8  # not application/rss+xml
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+x-content-type-options: nosniff
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+```
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+
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+(These headers are required to style feeds for users with Safari on iOS/Mac.)
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+
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+
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+
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+## Limitations
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+
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+- Styling the feed *prevents* the browser from automatically opening a
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+  newsreader application. This is a trade off, but it's a benefit to new users
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+  who won't have a newsreader installed, and they are saved from seeing or
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+  downloaded obscure XML content. For existing newsreader users, they will know
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+  to copy-and-paste the feed URL, and they get the benefit of an in-browser feed
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+  preview.
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+- Feed styling, for all browsers, is only available to site owners who control
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+  their own platform. The need to add both XML and HTTP headers makes this a
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+  limited solution.
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+
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+
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+## Credits
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+
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+pretty-feed is based on work by lepture.com:
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+
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+   https://lepture.com/en/2019/rss-style-with-xsl
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+
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+This current version is maintained by aboutfeeds.com:
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+
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+   https://github.com/genmon/aboutfeeds
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+
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+
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+## Feedback
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+
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+This file is in BETA. Please test and contribute to the discussion:
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+
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+     https://github.com/genmon/aboutfeeds/issues/8
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+
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+-->
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+<xsl:stylesheet version="3.0" xmlns:xsl="http://www.w3.org/1999/XSL/Transform"
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+                xmlns:atom="http://www.w3.org/2005/Atom" xmlns:dc="http://purl.org/dc/elements/1.1/"
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+                xmlns:itunes="http://www.itunes.com/dtds/podcast-1.0.dtd">
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+  <xsl:output method="html" version="1.0" encoding="UTF-8" indent="yes" />
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+  <xsl:template match="/">
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+    <html lang="en">
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+      <head>
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+        <meta charset="utf-8" />
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+        <title>RSS Feed - xythobuz.de</title>
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+        <meta name="description">
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+          <xsl:attribute name="content">
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+            <xsl:value-of select="/rss/channel/description" />
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+          </xsl:attribute>
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+        </meta>
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+        <meta name="viewport" content="width=device-width, initial-scale=1.0" />
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+        <link rel="author" href="xythobuz@xythobuz.de" />
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+        <link rel="shortcut icon" href="img/favicon.ico" />
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+        <link type="text/css" rel="stylesheet" href="css/style.css" />
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+      </head>
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+      <body>
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+        <div id="wrap"><div id="nav">
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+          <a>
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+            <xsl:attribute name="href">
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+              <xsl:value-of select="/rss/channel/link" />
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+            </xsl:attribute>
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+            <h1>
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+              <xsl:value-of select="/rss/channel/title" />
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+              - RSS Feed
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+              <img src="img/rss.png" />
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+            </h1>
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+          </a>
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+        </div></div>
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+        <div id="content">
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+          <p>
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+            This is the RSS feed for my blog.
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+            You can use it to get notified about new posts automatically.
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+          </p>
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+          <p>
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+            If you're already used to this and wondering why this looks strange, this is a styled RSS feed.
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+            Just copy the URL into your newsreader.
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+          </p>
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+          <p>
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+            If you don't know what RSS is check out <a href="https://aboutfeeds.com">About Feeds</a> to get started.
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+          </p>
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+          <h1>Recent Blog Posts</h1>
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+          <ul>
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+          <xsl:for-each select="/rss/channel/item">
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+            <li>
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+              <a>
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+                <xsl:attribute name="href">
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+                  <xsl:value-of select="link" />
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+                </xsl:attribute>
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+                <xsl:value-of select="title" />
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+              </a>
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+              <br />
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+              <span class="listdesc">
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+                Published: <xsl:value-of select="substring(pubDate, 1, string-length(pubDate) - 15)" />
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+              </span>
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+              <br />
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+              <span class="listdesc">
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+                Updated: <xsl:value-of select="substring(atom:updated, 1, string-length(atom:updated) - 15)" />
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+              </span>
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+            </li>
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+          </xsl:for-each>
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+          </ul>
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+          <p>
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+            Last rebuild at: <xsl:value-of select="substring(/rss/channel/lastBuildDate, 1, string-length(/rss/channel/lastBuildDate) - 6)" />
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+          </p>
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+          <p>
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+            Styled RSS feed inspired by <a href="https://darekkay.com/blog/rss-styling/">Darek Kay</a> and <a href="https://github.com/genmon/aboutfeeds/blob/main/tools/pretty-feed-v3.xsl">pretty-feed-v3</a>.
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+          </p>
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+        </div>
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+      </body>
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+    </html>
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+  </xsl:template>
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+</xsl:stylesheet>

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