add piped script

resources/desktop/io.github.martinrotter.rssguard.metainfo.xml

@@ -60,7 +60,7 @@
   <content_rating type="oars-1.0" />
   <content_rating type="oars-1.1" />
   <releases>
-    <release version="4.2.5" date="2022-12-07" />
+    <release version="4.2.5" date="2022-12-08" />
   </releases>
   <provides>
     <binary>rssguard</binary>

resources/scripts/scrapers/piped-fix.py

@@ -0,0 +1,51 @@
+# Fixes Piped ATOM feeds.
+#
+# Make sure to have all dependencies installed:
+#   pip3 install asyncio (if using parallel version of the script)
+#
+# You must provide raw ATOM feed XML data as input, for example with curl:
+#   curl 'https://pipedapi.kavin.rocks/feed/unauthenticated/rss?channels=UCXuqSBlHAE6Xw-yeJA0Tunw' | python ./piped-fix.py
+
+import json
+import sys
+import urllib.request
+import xml.etree.ElementTree as ET
+
+# Globals.
+atom_ns = {"atom": "http://www.w3.org/2005/Atom"}
+article_parser_url = "https://extract-article.deta.dev/?url="
+
+def main():
+  sys.stdin.reconfigure(encoding="utf-8")
+  feed_data = sys.stdin.read()
+  feed_document = ET.fromstring(feed_data)
+
+  # Prepare elements.
+  elem_title = feed_document.find("atom:title", atom_ns)
+  elem_description = feed_document.find("atom:subtitle", atom_ns)
+  elem_title = feed_document.find("atom:title", atom_ns)
+  elem_icon = ET.SubElement(feed_document, ET.QName(atom_ns["atom"], "icon"))
+
+  # Find channel ID in the source XML feed and extract it out.
+  channel_id = feed_document.find(".//atom:uri", atom_ns).text
+  channel_id = channel_id[channel_id.index("channel/") + 8:]
+
+  # Fetch data with Piped API.
+  api_url = "https://pipedapi.kavin.rocks/channel/{}".format(channel_id)
+  api_request = urllib.request.Request(api_url)
+
+  api_request.add_header("User-Agent", "curl")
+  api_response = urllib.request.urlopen(api_request)
+  api_data =  api_response.read().decode("utf-8")
+
+  # Fill data into feed.
+  api_json = json.loads(api_data)
+  elem_title.text = api_json["name"]
+  elem_description.text = api_json["description"]
+  elem_icon.text = api_json["avatarUrl"]
+
+  print(ET.tostring(feed_document).decode())
+
+
+if __name__ == '__main__':
+  main()