我在ubuntu16.04上使用了Gaston Frequent Subgraph Mining implementation by Njissen,并在python3.6.5和2.7.15rc1上尝试过。在执行程序时,我得到一个
Traceback (most recent call last):
File "/home/elias/.local/bin/gaston", line 11, in <module>
load_entry_point('gaston-py==0.1', 'console_scripts', 'gaston')()
File "/home/elias/.local/lib/python2.7/site-packages/pkg_resources/__init__.py", line 484, in load_entry_point
return get_distribution(dist).load_entry_point(group, name)
File "/home/elias/.local/lib/python2.7/site-packages/pkg_resources/__init__.py", line 2725, in load_entry_point
return ep.load()
File "/home/elias/.local/lib/python2.7/site-packages/pkg_resources/__init__.py", line 2343, in load
return self.resolve()
File "/home/elias/.local/lib/python2.7/site-packages/pkg_resources/__init__.py", line 2349, in resolve
module = __import__(self.module_name, fromlist=['__name__'], level=0)
File "/home/elias/.local/lib/python2.7/site-packages/gaston_py/gaston.py", line 5, in <module>
import gaston_py.factory as factory
File "/home/elias/.local/lib/python2.7/site-packages/gaston_py/factory.py", line 7, in <module>
import gaston_py.embedding as embedding
File "/home/elias/.local/lib/python2.7/site-packages/gaston_py/embedding.py", line 70
yield from _create_embedding_list(graph, visited, neighbor_id)
^
SyntaxError: invalid syntax
在
^{pr2}$产生错误的代码块:
def _create_embedding_list(graph, visited, node_id):
for edge_label, neighbor_label, neighbor_id in sorted(_neighbor_labels(graph, visited, node_id)):
if (node_id, neighbor_id) not in visited:
visited.add((node_id, neighbor_id))
visited.add((neighbor_id, node_id)) # if graph is undirected
yield node_id, (edge_label, neighbor_label)
yield from _create_embedding_list(graph, visited, neighbor_id)
由于这是官方实现,我怀疑不兼容或类似的。如何运行此代码?谢谢你的建议!在
正如回溯所示,您在Python2.7中运行这段代码。但是
yield from
是在python33中引入的,在早期版本中不受支持。在相关问题 更多 >
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