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#!/usr/bin/python
import sys
import xml.dom.minidom
import os
import zipfile
if __name__ == '__main__':
if not len(sys.argv) == 2:
print >> sys.stderr, "Must specify an xpi"
exit(1)
dom_doc = xml.dom.minidom.parseString(zipfile.ZipFile(sys.argv[1]).open('install.rdf').read().strip())
try:
attr = dom_doc.getElementsByTagName('RDF:Description')[0].attributes['em:id']
except IndexError:
attr = dom_doc.getElementsByTagName('Description')[0].attributes['em:id']
assert attr.value
print "%s" % attr.value
exit(0)
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