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yggdrasil-map/web/graph.py
2017-07-02 21:25:03 +02:00

49 lines
1.1 KiB
Python

import re
class Node:
def __init__(self, ip, version=None, label=None):
if not valid_cjdns_ip(ip):
raise ValueError('Invalid IP address')
if not valid_version(version):
raise ValueError('Invalid version')
self.ip = ip
self.version = int(version)
self.label = ip[-4:] if label == None else label
def __lt__(self, b):
return self.ip < b.ip
def __repr__(self):
return 'Node(ip="%s", version=%s, label="%s")' % (
self.ip,
self.version,
self.label)
class Edge:
def __init__(self, a, b):
self.a, self.b = sorted([a, b])
def __eq__(self, that):
return self.a.ip == that.a.ip and self.b.ip == that.b.ip
def __repr__(self):
return 'Edge(a.ip="%s", b.ip="%s")' % (
self.a.ip,
self.b.ip)
_re_cjdns_ip = re.compile(r'^fc[0-9a-f]{2}(:[0-9a-f]{4}){7}$', re.IGNORECASE)
def valid_cjdns_ip(ip):
return _re_cjdns_ip.match(ip) != None
def valid_version(version):
try:
return int(version) < 30
except ValueError:
return False