>>> from networkx import *
>>> import os,tempfile

>>> data="""<?xml version="1.0" encoding="UTF-8"?>\n<!-- This file was written by the JAVA GraphML Library.-->\n<graphml xmlns="http://graphml.graphdrawing.org/xmlns"  xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"\nxsi:schemaLocation="http://graphml.graphdrawing.org/xmlns http://graphml.graphdrawing.org/xmlns/1.0/graphml.xsd">\n  <graph id="G" edgedefault="directed">\n    <node id="n0"/>\n    <node id="n1"/>\n    <node id="n2"/>\n    <node id="n3"/>\n    <node id="n4"/>\n    <node id="n5"/>\n    <node id="n6"/>\n    <node id="n7"/>\n    <node id="n8"/>\n    <node id="n9"/>\n    <node id="n10"/>\n    <edge id="foo" source="n0" target="n2"/>\n    <edge source="n1" target="n2"/>\n    <edge source="n2" target="n3"/>\n    <edge source="n3" target="n5"/>\n    <edge source="n3" target="n4"/>\n    <edge source="n4" target="n6"/>\n    <edge source="n6" target="n5"/>\n    <edge source="n5" target="n7"/>\n    <edge source="n6" target="n8"/>\n    <edge source="n8" target="n7"/>\n    <edge source="n8" target="n9"/>\n    <edge source="n8" target="n10" directed="false"/>\n  </graph>\n</graphml>"""

>>> G=parse_graphml(data)

>>> print sorted(G.nodes())
[u'n0', u'n1', u'n10', u'n2', u'n3', u'n4', u'n5', u'n6', u'n7', u'n8', u'n9']

>>> print [sorted(e) for e in sorted(G.edges(keys=True))]
[[u'foo', u'n0', u'n2'], [0, u'n1', u'n2'], [0, u'n10', u'n8'], [0, u'n2', u'n3'], [0, u'n3', u'n4'], [0, u'n3', u'n5'], [0, u'n4', u'n6'], [0, u'n5', u'n7'], [0, u'n5', u'n6'], [0, u'n6', u'n8'], [0, u'n10', u'n8'], [0, u'n7', u'n8'], [0, u'n8', u'n9']]


>>> (fd,fname)=tempfile.mkstemp()
>>> fh=open(fname,'w')
>>> fh.write(data)
>>> fh.close()
>>> Gin=read_graphml(fname)
>>> sorted(G.nodes())==sorted(Gin.nodes())
True
>>> sorted(G.edges(data=True))==sorted(Gin.edges(data=True))
True
>>> os.close(fd)
>>> os.unlink(fname)