extract node detail and matrix from graph xml

graph-matrix.py

from xml.dom import minidom
from signal import signal, SIGPIPE, SIG_DFL
from sys import argv
script, filename = argv
signal(SIGPIPE,SIG_DFL)

edge = []
xmldoc = minidom.parse(filename)
itemlist = xmldoc.getElementsByTagName('node')
print(len(itemlist))

f = open("%s-node-detail.csv" % filename,'w')
f.write("node, betweenesscentrality, closenesscentrality\n")
for node in itemlist:
    id = node.getAttribute("id")
    attritemlist = node.getElementsByTagName('attvalue')
    closenesscentrality = attritemlist[1].attributes['value'].value
    betweenesscentrality = attritemlist[2].attributes['value'].value
    f.write("%s, %s, %s\n" % (id, betweenesscentrality, closenesscentrality))
f.close()

f = open("%s-matrix.txt" % filename, 'w')
edgeitemlist = xmldoc.getElementsByTagName('edge')
for node in edgeitemlist:
    edgesource = node.getAttribute("source")
    edgetarget = node.getAttribute("target")
    edge.append(edgesource)
    edge.append(edgetarget)

edge = list(set(edge))
print(len(edge))
print(edge)
f.write("%s\n" % edge)

printed = False
for source in edge:
    f.write("\n")
    for target in edge:
        for node in edgeitemlist:
            edgesource = node.getAttribute("source")
            edgetarget = node.getAttribute("target")
            if edgesource == source and edgetarget == target:
                    f.write("1 ")
                    printed = True
        if printed != True:
            f.write("0 ")
        printed = False

f.close()