Add an Atom feed generator in devscripts

diff --git a/devscripts/gh-pages/update-feed.py b/devscripts/gh-pages/update-feed.py
new file mode 100755 (executable)
index 0000000..7158d7a
--- /dev/null
+++ b/devscripts/gh-pages/update-feed.py
@@ -0,0 +1,83 @@
+#!/usr/bin/env python3
+
+import sys
+
+import xml.etree.ElementTree as ET
+import xml.dom.minidom as minidom
+
+import datetime
+
+if len(sys.argv) <= 1:
+       print('Specify the version number as parameter')
+       sys.exit()
+version = sys.argv[1]
+
+out_file = "atom.atom"
+in_file = out_file
+
+now = datetime.datetime.now()
+now_iso = now.isoformat()
+
+atom_url = "http://www.w3.org/2005/Atom"
+
+#Some utilities functions
+def atom_tag(tag):
+       #Return a tag in the atom namespace
+       return "{{{}}}{}".format(atom_url,tag)
+       
+def atom_SubElement(parent,tag):
+       return ET.SubElement(parent,atom_tag(tag))
+       
+class YDLUpdateAtomEntry(object):
+       def __init__(self,parent,title,id ,link, downloads_link):
+               self.entry = entry = atom_SubElement(parent, "entry")
+               #We set the values:
+               atom_id = atom_SubElement(entry, "id")
+               atom_id.text = id
+               atom_title = atom_SubElement(entry, "title")
+               atom_title.text = title
+               atom_link = atom_SubElement(entry, "link")
+               atom_link.set("href", link)
+               atom_content = atom_SubElement(entry, "content")
+               atom_content.set("type", "xhtml")
+               #Here we go:
+               div = ET.SubElement(atom_content,"div")
+               div.set("xmlns", "http://www.w3.org/1999/xhtml")
+               div.text = "Downloads available at "
+               a = ET.SubElement(div, "a")
+               a.set("href", downloads_link)
+               a.text = downloads_link
+               
+               #Author info
+               atom_author = atom_SubElement(entry, "author")
+               author_name = atom_SubElement(atom_author, "name")
+               author_name.text = "The youtube-dl maintainers"
+               #If someone wants to put an email adress:
+               #author_email = atom_SubElement(atom_author, "email")
+               #author_email.text = the_email
+               
+               atom_updated = atom_SubElement(entry,"updated")
+               up = parent.find(atom_tag("updated"))
+               atom_updated.text = up.text = now_iso
+       
+       @classmethod
+       def entry(cls,parent, version):
+               update_id = "youtube-dl-{}".format(version)
+               update_title = "New version {}".format(version)
+               downloads_link = "http://youtube-dl.org/downloads/{}/".format(version)
+               #There's probably no better link
+               link = "http://rg3.github.com/youtube-dl"
+               return cls(parent, update_title, update_id, link, downloads_link)
+               
+
+atom = ET.parse(in_file)
+
+root = atom.getroot()
+
+#Otherwise when saving all tags will be prefixed with a 'ns0:'
+ET.register_namespace("atom",atom_url)
+
+update_entry = YDLUpdateAtomEntry.entry(root, version)
+
+#Find some way of pretty printing
+atom.write(out_file,encoding="utf-8",xml_declaration=True)

diff --git a/devscripts/release.sh b/devscripts/release.sh
index ee650f2219277439e7cc2d2fc9732a4e0b4306e0..6e89d55b3f418db84c4321e154157e166b24686e 100755 (executable)
--- a/devscripts/release.sh
+++ b/devscripts/release.sh
@@ -69,6 +69,7 @@ ROOT=$(pwd)
     ORIGIN_URL=$(git config --get remote.origin.url)
     cd build/gh-pages
     "$ROOT/devscripts/gh-pages/add-version.py" $version
+    "$ROOT/devscripts/gh-pages/update-feed.py" $version
     "$ROOT/devscripts/gh-pages/sign-versions.py" < "$ROOT/updates_key.pem"
     "$ROOT/devscripts/gh-pages/generate-download.py"
     "$ROOT/devscripts/gh-pages/update-copyright.py"