364 lines
11 KiB
Python
364 lines
11 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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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.errors import NoUri
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from sphinx.locale import _
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from sphinx.roles import XRefRole
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from sphinx.util import logging
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from sphinx.util.nodes import make_refnode
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__version__ = '0.3.0'
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logger = logging.getLogger(__name__)
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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):
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pass
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class ip_range(nodes.General, nodes.Element):
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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, index_type, **kwargs):
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self.method = method
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self.index_type = index_type
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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 __cal__(self, typ, rawtext, text, lineno, inliner,
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options=None, content=None):
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if content is None:
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content = []
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if options is None:
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options = {}
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try:
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Network(text)
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except ValueError as e:
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env = inliner.document.settings.env
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logger.warning("invalid ip address/range %s" % text, location=(env.docname, lineno))
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return [nodes.literal(text, text), []]
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return super(IPXRefRole, self).__call__(
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typ, rawtext, text, lineno, inliner, options, content)
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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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doctitle = document.traverse(nodes.title)[0].astext()
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idxtext = "%s; %s" % (node.astext(), doctitle)
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idxtext2 = "%s; %s" % (self.index_type, node.astext())
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indexnode['entries'] = [
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('single', idxtext, targetid, '', None),
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('single', idxtext2, targetid, '', None),
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]
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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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if self.env.docname in self.env.titles:
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doctitle = self.env.titles[self.env.docname]
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else:
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doctitle = self.state.document.traverse(nodes.title)[0].astext()
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idx_text = "%s; %s" % (self.rangespec, doctitle)
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self.indexnode = addnodes.index(entries=[
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('single', idx_text, name, '', None),
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('single', self.get_index_text(), name, '', None)
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])
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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 _('IPv4 address range ')
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def get_index_text(self):
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return "%s; %s" % (_('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 _('IPv6 address range ')
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def get_index_text(self):
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return "%s; %s" % (_('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(_('v4'), 'v4', 'obj'),
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'v6': ObjType(_('v6'), 'v6', 'obj'),
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'v4range': ObjType(_('v4range'), 'v4range', 'obj'),
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'v6range': ObjType(_('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', _('IPv4 address')),
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'v6': IPXRefRole('v6', _('IPv6 address')),
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'v4range': IPXRefRole('v4range', _('IPv4 range')),
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'v6range': IPXRefRole('v6range', _('IPv6 range')),
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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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to_remove = []
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for key, value in self.data['v4range'].items():
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if docname == value[0]:
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to_remove.append(key)
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for key in to_remove:
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del self.data['v4range'][key]
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to_remove = []
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for key, value in self.data['v6range'].items():
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if docname == value[0]:
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to_remove.append(key)
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for key in to_remove:
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del self.data['v6range'][key]
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self.data['ips'] = [
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item for item in self.data['ips'] if item['docname'] != docname
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]
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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][2]
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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 node.children
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return resnode
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else:
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title = typ.upper() + ' ' + target
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return make_refnode(builder, fromdocname, info[0], key,
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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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replacement = nodes.literal(ip, ip)
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node.replace_self(replacement)
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def sort_ip(item):
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return Network(item).ip
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def create_table_row(rowdata):
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row = nodes.row()
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for cell in rowdata:
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entry = nodes.entry()
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row += entry
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entry += cell
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return row
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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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header = (_('IP address'), _('Used by'))
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colwidths = (1, 3)
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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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ips = {}
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for key, value in [
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(ip_info['ip'], ip_info) for ip_info in
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domaindata['ips']
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]:
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try:
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if not key in net:
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continue
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except ValueError as e:
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logger.info("invalid IP address info %s", e.args)
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continue
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addrlist = ips.get(key, [])
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addrlist.append(value)
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ips[key] = addrlist
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if ips:
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table = nodes.table()
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tgroup = nodes.tgroup(cols=len(header))
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table += tgroup
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for colwidth in colwidths:
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tgroup += nodes.colspec(colwidth=colwidth)
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thead = nodes.thead()
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tgroup += thead
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thead += create_table_row([
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nodes.paragraph(text=label) for label in header])
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tbody = nodes.tbody()
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tgroup += tbody
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for ip, ip_info in [
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(ip, ips[ip]) for ip in sorted(ips, key=sort_ip)
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]:
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para = nodes.paragraph()
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para += nodes.literal('', ip)
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refnode = nodes.paragraph()
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refuris = set()
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refnodes = []
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for item in ip_info:
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ids = ip_object_anchor(item['typ'], item['ip'])
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if ids not in para['ids']:
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para['ids'].append(ids)
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domaindata[item['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, item['docname'])
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if newnode['refuri'] in refuris:
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continue
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refuris.add(newnode['refuri'])
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except NoUri:
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pass
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title = env.titles[item['docname']]
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innernode = nodes.Text(title.astext())
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newnode.append(innernode)
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refnodes.append(newnode)
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for count in range(len(refnodes)):
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refnode.append(refnodes[count])
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if count < len(refnodes) - 1:
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refnode.append(nodes.Text(", "))
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tbody += create_table_row([para, refnode])
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content.append(table)
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else:
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para = nodes.paragraph(_('No IP addresses in this range'))
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content.append(para)
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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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