Add support for contents of Libervia (XEP-0277);

Various of visual improvements.

pubsub_to_atom.py

@@ -16,8 +16,6 @@ try:
 except:
     import tomli as tomllib
 
-app = FastAPI()
-
 class XmppInstance(ClientXMPP):
     def __init__(self, jid, password):
         super().__init__(jid, password)
@@ -27,6 +25,8 @@ class XmppInstance(ClientXMPP):
 
 xmpp = None
 
+app = FastAPI()
+
 # Mount static graphic, script and stylesheet directories
 app.mount("/css", StaticFiles(directory="css"), name="css")
 app.mount("/data", StaticFiles(directory="data"), name="data")
@@ -38,6 +38,7 @@ app.mount("/xsl", StaticFiles(directory="xsl"), name="xsl")
 async def favicon():
     return FileResponse('favicon.ico')
 
+@app.route('/')
 @app.get('/opml')
 async def view_pubsub_nodes(request: Request):
     global xmpp
@@ -305,7 +306,14 @@ def generate_atom(iq, link):
                 content_type_text = 'html' if 'html' in content_type else 'text'
                 ET.SubElement(e_entry, 'content', {'type': content_type_text}).text = content_text
         else:
-            ET.SubElement(e_entry, 'content').text = 'No content.'
+            summary = item_payload.find(namespace + 'summary')
+            summary_text = summary.text
+            if summary_text:
+                summary_type = summary.attrib['type'] if 'type' in summary.attrib else 'html'
+                summary_type_text = 'html' if 'html' in summary_type else 'text'
+                ET.SubElement(e_entry, 'content', {'type': summary_type_text}).text = summary_text
+            else:
+                ET.SubElement(e_entry, 'content').text = 'No content.'
         published = item_payload.find(namespace + 'published')
         published_text = None if published == None else published.text
         ET.SubElement(e_entry, 'published').text = published_text