Add handling for multiple IP occurrences

This commit adds handling of multiple occurrences of the same IP address
in one or more pages.

jandd/sphinxext/ip.py

@@ -234,8 +234,8 @@ def process_ips(app, doctree):
         node.replace_self(replacement)
 
 
-def sort_ip_info(item):
-    return Network(item['ip']).ip
+def sort_ip(item):
+    return Network(item).ip
 
 
 def create_table_row(rowdata):
@@ -257,9 +257,14 @@ def process_ip_nodes(app, doctree, fromdocname):
     for node in doctree.traverse(ip_range):
         content = []
         net = Network(node['rangespec'])
-        ips = [ip_info for ip_info in
-               sorted(domaindata['ips'], key=sort_ip_info)
-               if ip_info['ip'] in net]
+        ips = {}
+        for key, value in [
+            (ip_info['ip'], ip_info) for ip_info in
+            domaindata['ips'] if ip_info['ip'] in net
+        ]:
+            addrlist = ips.get(key, [])
+            addrlist.append(value)
+            ips[key] = addrlist
         if ips:
             table = nodes.table()
             tgroup = nodes.tgroup(cols=len(header))
@@ -272,24 +277,37 @@ def process_ip_nodes(app, doctree, fromdocname):
                 nodes.paragraph(text=label) for label in header])
             tbody = nodes.tbody()
             tgroup += tbody
-            for ip_info in ips:
+            for ip, ip_info in [
+                (ip, ips[ip]) for ip in sorted(ips, key=sort_ip)
+            ]:
                 para = nodes.paragraph()
-                para += nodes.literal('', ip_info['ip'])
-                ids = ip_object_anchor(ip_info['typ'], ip_info['ip'])
+                para += nodes.literal('', ip)
+                refnode = nodes.paragraph()
+                refuris = set()
+                refnodes = []
+                for item in ip_info:
+                    ids = ip_object_anchor(item['typ'], item['ip'])
+                    if ids not in para['ids']:
                         para['ids'].append(ids)
 
-                domaindata[ip_info['typ']][ids] = (fromdocname, '')
+                    domaindata[item['typ']][ids] = (fromdocname, '')
                     newnode = nodes.reference('', '', internal=True)
                     try:
                         newnode['refuri'] = app.builder.get_relative_uri(
-                        fromdocname, ip_info['docname'])
+                            fromdocname, item['docname'])
+                        if newnode['refuri'] in refuris:
+                            continue
+                        refuris.add(newnode['refuri'])
                     except NoUri:
                         pass
-                title = env.titles[ip_info['docname']]
+                    title = env.titles[item['docname']]
                     innernode = nodes.Text(title.astext())
                     newnode.append(innernode)
-                refnode = nodes.paragraph()
-                refnode.append(newnode)
+                    refnodes.append(newnode)
+                for count in range(len(refnodes)):
+                    refnode.append(refnodes[count])
+                    if count < len(refnodes) - 1:
+                        refnode.append(nodes.Text(", "))
                 tbody += create_table_row([para, refnode])
             content.append(table)
         else:

tests/root/index.rst

@@ -13,6 +13,7 @@ Contents:
 
    testpage1
    testpage2
+   testpage3
 
 
 Indices and tables

tests/root/testpage3.rst

@@ -0,0 +1,4 @@
+Test page 3
+===========
+
+This page contains :ip:v6:`2001:dead:beef::1` like :doc:`testpage2` does.