Jan Dittberner
196f33d3b1
This commit implements auto generation of IP address lists for IP ranges. The ipcalc PyPI module is used to determine which IP addresses belong to a given IP range. The IPs are listed in IP range sections and links to the original pages are added.
259 lines
7.7 KiB
Python
259 lines
7.7 KiB
Python
# -*- coding: utf-8 -*-
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"""
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jandd.sphinxext.ip
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~~~~~~~~~~~~~~~~~~
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The IP domain.
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:copyright: Copyright (c) 2016 Jan Dittberner
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:license: GPLv3+, see COPYING file for details.
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"""
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__version__ = '0.1.0'
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import re
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from ipcalc import Network
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from docutils import nodes
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from docutils.parsers.rst import Directive
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from sphinx import addnodes
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from sphinx.domains import Domain, ObjType
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from sphinx.environment import NoUri
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from sphinx.locale import l_
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from sphinx.roles import XRefRole
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from sphinx.util.nodes import make_refnode
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def ip_object_anchor(typ, path):
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path = re.sub(r'[.:/]', '-', path)
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return typ.lower() + '-' + path
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class ip_node(nodes.Inline, nodes.TextElement): pass
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class ip_range(nodes.General, nodes.Element): pass
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class IPXRefRole(XRefRole):
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"""
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Cross referencing role for the IP domain.
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"""
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def __init__(self, method, **kwargs):
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self.method = method
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innernodeclass=None
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if method in ('v4', 'v6'):
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innernodeclass = ip_node
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super(IPXRefRole, self).__init__(
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innernodeclass=innernodeclass, **kwargs)
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def process_link(self, env, refnode, has_explicit_title, title, target):
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domaindata = env.domaindata['ip']
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domaindata[self.method][target] = (target, refnode)
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return title, target
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def result_nodes(self, document, env, node, is_ref):
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try:
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node['typ'] = self.method
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indexnode = addnodes.index()
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targetid = 'index-%s' % env.new_serialno('index')
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targetnode = nodes.target('', '', ids=[targetid])
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idxtext = "%s; %s" % (node.astext(), env.docname)
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indexnode['entries'] = [('single', idxtext, targetid, '', None)]
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return [indexnode, targetnode, node], []
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except KeyError as e:
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return [node], [e.args[0]]
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class IPRange(Directive):
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has_content = True
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required_arguments = 1
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optional_arguments = 0
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final_argument_whitespace = False
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option_spec = {}
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def handle_rangespec(self, node):
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titlenode = nodes.title()
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node.append(titlenode)
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titlenode.append(nodes.inline('', self.get_prefix_title()))
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titlenode.append(nodes.literal('', self.rangespec))
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ids = ip_object_anchor(self.typ, self.rangespec)
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node['ids'].append(ids)
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self.env.domaindata[self.domain][self.typ][ids] = (
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self.env.docname,
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self.options.get('synopsis', ''))
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return ids
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def run(self):
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if ':' in self.name:
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self.domain, self.objtype = self.name.split(':', 1)
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else:
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self.domain, self.objtype = '', self.name
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self.env = self.state.document.settings.env
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self.rangespec = self.arguments[0]
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node = nodes.section()
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name = self.handle_rangespec(node)
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self.indexnode = addnodes.index(entries=[
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('single', self.get_index_text(), name, '')])
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if self.content:
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contentnode = nodes.paragraph('')
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node.append(contentnode)
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self.state.nested_parse(
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self.content, self.content_offset, contentnode)
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iprange = ip_range()
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node.append(iprange)
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iprange['rangespec'] = self.rangespec
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return [self.indexnode, node]
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class IPv4Range(IPRange):
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typ = 'v4range'
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def get_prefix_title(self):
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return l_('IPv4 address range ')
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def get_index_text(self):
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return "%s; %s" % (l_('IPv4 range'), self.rangespec)
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class IPv6Range(IPRange):
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typ = 'v6range'
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def get_prefix_title(self):
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return l_('IPv6 address range ')
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def get_index_text(self):
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return "%s; %s" % (l_('IPv6 range'), self.rangespec)
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class IPDomain(Domain):
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"""
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IP address and range domain.
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"""
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name = 'ip'
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label = 'IP addresses and ranges.'
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object_types = {
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'v4': ObjType(l_('v4'), 'v4', 'obj'),
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'v6': ObjType(l_('v6'), 'v6', 'obj'),
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'v4range': ObjType(l_('v4range'), 'v4range', 'obj'),
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'v6range': ObjType(l_('v6range'), 'v6range', 'obj'),
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}
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directives = {
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'v4range': IPv4Range,
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'v6range': IPv6Range,
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}
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roles = {
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'v4': IPXRefRole('v4'),
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'v6': IPXRefRole('v6'),
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'v4range': IPXRefRole('v4range'),
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'v6range': IPXRefRole('v6range'),
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}
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initial_data = {
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'v4': {},
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'v6': {},
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'v4range': {},
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'v6range': {},
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'ips': [],
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}
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def clear_doc(self, docname):
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pass
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def resolve_xref(self, env, fromdocname, builder, typ, target, node,
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contnode):
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key = ip_object_anchor(typ, target)
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try:
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info = self.data[typ][key]
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except KeyError:
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text = contnode.rawsource
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role = self.roles.get(typ)
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if role is None:
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return None
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resnode = role.result_nodes(env.get_doctree(fromdocname),
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env, node, True)[0][0]
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if isinstance(resnode, addnodes.pending_xref):
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text = node[0][0]
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reporter = env.get_doctree(fromdocname).reporter
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reporter.warning('Cannot resolve reference to %r' % text,
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line=node.line)
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return None
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return resnode
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else:
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title = typ.upper() + ' ' + target
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anchor = ip_object_anchor(typ, target)
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return make_refnode(builder, fromdocname, info[0], anchor,
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contnode, title)
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@property
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def items(self):
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return dict((key, self.data[key]) for key in self.object_types)
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def get_objects(self):
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for typ, items in self.items.items():
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for path, info in items.items():
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anchor = ip_object_anchor(typ, path)
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yield (path, path, typ, info[0], anchor, 1)
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def process_ips(app, doctree):
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env = app.builder.env
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domaindata = env.domaindata[IPDomain.name]
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for node in doctree.traverse(ip_node):
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ip = node.astext()
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domaindata['ips'].append({
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'docname': env.docname,
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'source': node.parent.source or env.doc2path(env.docname),
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'lineno': node.parent.line,
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'ip': ip,
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'typ': node.parent['typ'],
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})
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node.replace_self(nodes.literal('', ip))
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def sort_ip_info(item):
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return item['ip']
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def process_ip_nodes(app, doctree, fromdocname):
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env = app.builder.env
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domaindata = env.domaindata[IPDomain.name]
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for node in doctree.traverse(ip_range):
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content = []
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net = Network(node['rangespec'])
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for ip_info in sorted(domaindata['ips'], key=sort_ip_info):
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if ip_info['ip'] in net:
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para = nodes.paragraph()
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para += nodes.literal('', ip_info['ip'])
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ids = ip_object_anchor(ip_info['typ'], ip_info['ip'])
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para['ids'].append(ids)
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domaindata[ip_info['typ']][ids] = (fromdocname, '')
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newnode = nodes.reference('', '', internal=True)
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try:
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newnode['refuri'] = app.builder.get_relative_uri(
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fromdocname, ip_info['docname'])
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except NoUri:
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pass
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title = env.titles[ip_info['docname']]
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innernode = nodes.Text(title.astext())
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newnode.append(innernode)
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para += nodes.Text(" in ")
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para += newnode
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content.append(para)
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#print(ip_info, 'in', node['rangespec'])
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node.replace_self(content)
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def setup(app):
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app.add_domain(IPDomain)
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app.connect('doctree-read', process_ips)
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app.connect('doctree-resolved', process_ip_nodes)
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return {'version': __version__}
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