On 04/29/2013 04:18 PM, Anatol Wegner wrote:

The script:

mt=load_graph('m.xml')
import pickle
f=open('graph','w')
pickle.dump(mt,f)
f.close()
g=open('graph','r')
m=pickle.load(g)

Traceback (most recent call last):
  File "<pyshell#11>", line 1, in <module>
    m=pickle.load(g)
  File "/usr/lib/python2.7/pickle.py", line 1378, in load
    return Unpickler(file).load()
  File "/usr/lib/python2.7/pickle.py", line 858, in load
    dispatch[key](self)
  File "/usr/lib/python2.7/pickle.py", line 1217, in load_build
    setstate(state)
  File "/usr/lib/python2.7/dist-packages/graph_tool/__init__.py", line 1789, in __setstate__
    self.load(stream, "xml")
  File "/usr/lib/python2.7/dist-packages/graph_tool/__init__.py", line 1518, in load
    props = self.__graph.ReadFromFile("", file_name, fmt)
TypeError: No registered converter was able to produce a C++ rvalue of type std::string from this Python object of type unicode

Ok, this looks like a bug. It works fine in Python 3, but I cannot test
with Python 2.7 right now. Could you please put this in a ticket in the
website, so that I don't forget to fix it?

Cheers,
Tiago

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