def test_parse_multigraph_graph(self):
graph_data = ':An'
G = nx.parse_sparse6(graph_data)
assert_true(type(G), nx.Graph)
multigraph_data = ':Ab'
M = nx.parse_sparse6(multigraph_data)
assert_true(type(M), nx.MultiGraph)
def test_parse_multigraph_graph(self):
graph_data = ':An'
G = nx.parse_sparse6(graph_data)
assert_true(type(G), nx.Graph)
multigraph_data = ':Ab'
M = nx.parse_sparse6(multigraph_data)
assert_true(type(M), nx.MultiGraph)
def test_read_sparse6(self):
data = """:Q___eDcdFcDeFcE`GaJ`IaHbKNbLM"""
G = nx.parse_sparse6(data)
fh = StringIO(data)
Gin = nx.read_sparse6(fh)
assert_equal(sorted(G.nodes()), sorted(Gin.nodes()))
assert_equal(sorted(G.edges()), sorted(Gin.edges()))
def test_read_sparse6(self):
data=""":Q___eDcdFcDeFcE`GaJ`IaHbKNbLM"""
G=nx.parse_sparse6(data)
fh = StringIO(data)
Gin=nx.read_sparse6(fh)
assert_equal(sorted(G.nodes()),sorted(Gin.nodes()))
assert_equal(sorted(G.edges()),sorted(Gin.edges()))
def test_generate_and_parse_sparse6(self):
for i in list(range(13)) + [31, 47, 62, 63, 64, 72]:
m = min(2 * i, i * i // 2)
g = nx.random_graphs.gnm_random_graph(i, m, seed=i)
gstr = nx.generate_sparse6(g, header=False)
g2 = nx.parse_sparse6(gstr)
assert_equal(g2.order(), g.order())
assert_equal(sorted(g2.edges()), sorted(g.edges()))
def test_generate_and_parse_sparse6(self):
for i in list(range(13)) + [31, 47, 62, 63, 64, 72]:
m = min(2 * i, i * i // 2)
g = nx.random_graphs.gnm_random_graph(i, m, seed=i)
gstr = nx.generate_sparse6(g, header=False)
g2 = nx.parse_sparse6(gstr)
assert_equal(g2.order(), g.order())
assert_equal(sorted(g2.edges()), sorted(g.edges()))
def graphs_flow(dirname):
g_files = [str(z) + ".s6" for z in
sorted([int(x.split('.')[0]) for x in os.listdir(dirname)])]
for f in g_files:
with open(os.path.join(dirname, f), 'rb') as s6:
for encoded_graph in s6:
g = nx.parse_sparse6(encoded_graph.strip())
yield igraph.Graph(edges=g.edges())
def graphs_flow(dirname):
g_files = [
str(z) + ".s6"
for z in sorted([int(x.split('.')[0]) for x in os.listdir(dirname)])
]
for f in g_files:
with open(os.path.join(dirname, f), 'rb') as s6:
for encoded_graph in s6:
g = nx.parse_sparse6(encoded_graph.strip())
yield igraph.Graph(edges=g.edges())
def test_read_sparse6(self):
data=""":Q___eDcdFcDeFcE`GaJ`IaHbKNbLM"""
G=nx.parse_sparse6(data)
(fd,fname)=tempfile.mkstemp()
fh=open(fname,'w')
b=fh.write(data)
fh.close()
Gin=nx.read_sparse6(fname)
assert_equal(sorted(G.nodes()),sorted(Gin.nodes()))
assert_equal(sorted(G.edges()),sorted(Gin.edges()))
os.close(fd)
os.unlink(fname)
def test_parse_sparse6(self):
data=""":Q___eDcdFcDeFcE`GaJ`IaHbKNbLM"""
G=nx.parse_sparse6(data)
assert_equal(sorted(G.nodes()),
[0, 1, 2, 3, 4, 5, 6, 7, 8, 9,
10, 11, 12, 13, 14, 15, 16, 17])
assert_equal([e for e in sorted(G.edges())],
[(0, 1), (0, 2), (0, 3), (1, 12), (1, 14), (2, 13),
(2, 15), (3, 16), (3, 17), (4, 7), (4, 9), (4, 11),
(5, 6), (5, 8), (5, 9), (6, 10), (6, 11), (7, 8),
(7, 10), (8, 12), (9, 15), (10, 14), (11, 13),
(12, 16), (13, 17), (14, 17), (15, 16)])
def test_parse_sparse6(self):
data=""":Q___eDcdFcDeFcE`GaJ`IaHbKNbLM"""
G=nx.parse_sparse6(data)
assert_equal(sorted(G.nodes()),
[0, 1, 2, 3, 4, 5, 6, 7, 8, 9,
10, 11, 12, 13, 14, 15, 16, 17])
assert_equal([e for e in sorted(G.edges())],
[(0, 1), (0, 2), (0, 3), (1, 12), (1, 14), (2, 13),
(2, 15), (3, 16), (3, 17), (4, 7), (4, 9), (4, 11),
(5, 6), (5, 8), (5, 9), (6, 10), (6, 11), (7, 8),
(7, 10), (8, 12), (9, 15), (10, 14), (11, 13),
(12, 16), (13, 17), (14, 17), (15, 16)])
def test_read_sparse6(self):
data=""":Q___eDcdFcDeFcE`GaJ`IaHbKNbLM"""
G=nx.parse_sparse6(data)
(fd,fname)=tempfile.mkstemp()
fh=open(fname,'w')
b=fh.write(data)
fh.close()
Gin=nx.read_sparse6(fname)
assert_equal(sorted(G.nodes()),sorted(Gin.nodes()))
assert_equal(sorted(G.edges()),sorted(Gin.edges()))
os.close(fd)
os.unlink(fname)
