i'm... going to re-do this.

utils/he_ipv6/config.py

@@ -11,8 +11,43 @@ from lxml import etree
 from pyroute2 import IPRoute
 ##
 from . import tunnel
-from . import radvd
+
-from . import utils
+
+def create_default_cfg():
+    # Create a stripped sample config.
+    nsmap = {None: 'https://tunnelbroker.net/',
+             'xsi': 'http://www.w3.org/2001/XMLSchema-instance'}
+    attr_qname = etree.QName('http://www.w3.org/2001/XMLSchema-instance', 'schemaLocation')
+    schema_url = 'http://schema.xml.r00t2.io/projects/he_ipv6.xsd'
+    schema_loc = '{0} {1}'.format(nsmap[None], schema_url)
+    xml = etree.Element('heIPv6',
+                        {attr_qname: schema_loc},
+                        nsmap = nsmap)
+    xml.append(etree.Comment(('See example.tunnelbroker.xml for an extensively commented sample config.')))
+    creds = etree.SubElement(xml, 'creds')
+    creds.append(etree.Comment(('Your tunnelbroker.net *login*. You can specify multiple credentials via multiple '
+                                '"cred" items. The "id" attribute is up to you but it must be unique.')))
+    cred = etree.SubElement(creds, 'cred')
+    cred.attrib['id'] = ''
+    user = etree.SubElement(cred, 'user')
+    user.text = ''
+    password = etree.SubElement(cred, 'password')
+    password.text = ''
+    tunnels = etree.SubElement(xml, 'tunnels')
+    tunnels.append(etree.Comment(('You can have define multiple tunnels via multiple "tunnel" items. You should most '
+                                  'likely only run one at a time.')))
+    tunnel = etree.SubElement(tunnels, 'tunnel')
+    tunnel.append(etree.Comment(('The "id" attribute should match the id number of a tunnel on your tunnelbroker.net '
+                                 'account. The "creds" attribute references a cred item id attribute.')))
+    tunnel.attrib['id'] = ''
+    tunnel.attrib['creds'] = ''
+    ukey = etree.SubElement(tunnel, '')
+    return (etree.tostring(xml,
+                           encoding = 'UTF-8',
+                           xml_declaration = True,
+                           pretty_print = True,
+                           with_tail = True,
+                           with_comments = True))
 
 
 class Credential(object):