本文整理匯總了Python中graphserver.graphdb.GraphDatabase.all_edges方法的典型用法代碼示例。如果您正苦於以下問題：Python GraphDatabase.all_edges方法的具體用法？Python GraphDatabase.all_edges怎麽用？Python GraphDatabase.all_edges使用的例子？那麽, 這裏精選的方法代碼示例或許可以為您提供幫助。您也可以進一步了解該方法所在類graphserver.graphdb.GraphDatabase的用法示例。
在下文中一共展示了GraphDatabase.all_edges方法的2個代碼示例，這些例子默認根據受歡迎程度排序。您可以為喜歡或者感覺有用的代碼點讚，您的評價將有助於係統推薦出更棒的Python代碼示例。
示例1: test_basic
# 需要導入模塊: from graphserver.graphdb import GraphDatabase [as 別名]
# 或者: from graphserver.graphdb.GraphDatabase import all_edges [as 別名]
def test_basic(self):
g = Graph()
g.add_vertex("A")
g.add_vertex("B")
g.add_edge("A", "B", Link())
g.add_edge("A", "B", Street("foo", 20.0))
gdb_file = os.path.dirname(__file__) + "unit_test.db"
if os.path.exists(gdb_file):
os.remove(gdb_file)
gdb = GraphDatabase(gdb_file)
gdb.populate(g)
list(gdb.execute("select * from resources"))
assert "A" in list(gdb.all_vertex_labels())
assert "B" in list(gdb.all_vertex_labels())
assert glen(gdb.all_edges()) == 2
assert glen(gdb.all_outgoing("A")) == 2
assert glen(gdb.all_outgoing("B")) == 0
assert glen(gdb.all_incoming("A")) == 0
assert glen(gdb.all_incoming("B")) == 2
assert glen(gdb.resources()) == 0
assert gdb.num_vertices() == 2
assert gdb.num_edges() == 2
g.destroy()
g = gdb.incarnate()
list(gdb.execute("select * from resources"))
assert "A" in list(gdb.all_vertex_labels())
assert "B" in list(gdb.all_vertex_labels())
assert glen(gdb.all_edges()) == 2
assert glen(gdb.all_outgoing("A")) == 2
assert glen(gdb.all_outgoing("B")) == 0
assert glen(gdb.all_incoming("A")) == 0
assert glen(gdb.all_incoming("B")) == 2
assert glen(gdb.resources()) == 0
assert gdb.num_vertices() == 2
assert gdb.num_edges() == 2
os.remove( gdb_file )示例2: main
# 需要導入模塊: from graphserver.graphdb import GraphDatabase [as 別名]
# 或者: from graphserver.graphdb.GraphDatabase import all_edges [as 別名]
def main():
if len(argv) < 2:
print "usage: python import_ned.py graphdb_filename profiledb_filename"
return
graphdb_filename = argv[1]
profiledb_filename = argv[2]
gdb = GraphDatabase( graphdb_filename )
profiledb = ProfileDB( profiledb_filename )
n = gdb.num_edges()
for i, (oid, vertex1, vertex2, edge) in enumerate( list(gdb.all_edges(include_oid=True)) ):
if i%500==0: print "%s/%s"%(i,n)
if isinstance( edge, Street ):
rise, fall = get_rise_and_fall( profiledb.get( edge.name ) )
edge.rise = rise
edge.fall = fall
gdb.remove_edge( oid )
gdb.add_edge( vertex1, vertex2, edge )