def build_graph(file):
d = {}
g = LinkGraph()
with open(file) as f:
for line in f:
word = line[:-1]
for i in range(len(word)):
bucket = word[:i] + '_' + word[i+1:]
if bucket in d:
d[bucket].append(word)
else:
d[bucket] = [word]
for bucket, values in d.items():
for word1 in values:
for word2 in values:
if word1 != word2:
g.add_edge(word1, word2)
return g
def test_link_bfs():
lg = LinkGraph()
lg.add_edge('A', 'B')
lg.add_edge('A', 'C')
lg.add_edge('A', 'E')
lg.add_edge('B', 'A')
lg.add_edge('B', 'C')
lg.add_edge('B', 'D')
lg.add_edge('C', 'D')
lg.add_edge('D', 'C')
lg.add_edge('E', 'D')
lg.add_edge('E', 'F')
lg.add_edge('F', 'C')
for i in lg.bfs(lg, 'B'):
print i
def build_bfs_graph():
g = LinkGraph()
g.add_edge('s', 'a')
g.add_edge('s', 'c')
g.add_edge('s', 'd')
g.add_edge('a', 's')
g.add_edge('a', 'c')
g.add_edge('a', 'e')
g.add_edge('b', 'c')
g.add_edge('b', 'd')
g.add_edge('b', 'g')
g.add_edge('c', 's')
g.add_edge('c', 'a')
g.add_edge('c', 'b')
g.add_edge('d', 's')
g.add_edge('d', 'b')
g.add_edge('e', 'a')
g.add_edge('e', 'f')
g.add_edge('e', 'g')
g.add_edge('f', 'e')
g.add_edge('f', 'g')
g.add_edge('g', 'b')
g.add_edge('g', 'e')
g.add_edge('g', 'f')
return g