This file crashes nano

crash_nano.txt (text/plain), 2.36 KB, created by Justin Keogh on 2005-10-17 10:59:43 UTC

#!/usr/bin/python
from __future__ import generators
import os, sys
from xml.dom import Node
from Ft.Xml.Domlette import Print, PrettyPrint
from Ft.Xml.Domlette import NonvalidatingReader

def doc_order_iterator_filter(node, filter_func):
	if filter_func(node):
		        yield node
				for child in node.childNodes:
					for cn in doc_order_iterator_filter(child, filter_func):
						if filter_func(cn):
							                yield cn
											    return


											def get_elements_by_tag_name_ns(node, ns, local):
												return doc_order_iterator_filter(node, lambda n: n.nodeType == Node.ELEMENT_NODE and n.namespaceURI == ns and n.localName == local)


											def get_first_element_by_tag_name_ns(node, ns, local):
												    return get_elements_by_tag_name_ns(node, ns, local).next()


												def string_value(node):
													text_nodes = doc_order_iterator_filter(node, lambda n: n.nodeType == Node.TEXT_NODE)
													    return u''.join([ n.data for n in text_nodes ])


													def addFile(doc, file, filelist):
														    name = doc.createElementNS(None, "name")
															    name.appendChild(doc.createTextNode(file))
																    file = doc.createElementNS(None, "file")
																	    file.appendChild(name)
																		    filelist.appendChild(file)

																			def main():
																				    doc = NonvalidatingReader.parseUri(sys.argv[1])
																					    #don't traverse the whole DOM tree just to find the filelist element
																						    #I assume doc.documentElement was not used in case the filelist
																							    #XML format is embedded in another
																								    filelist = get_first_element_by_tag_name_ns(doc, None, "filelist")
																									    #Compute the list of names once: the algorithm doesn't require more
																										    names = get_elements_by_tag_name_ns(doc, None, "name")
																											    #Convert once to list of strings
																												    names = [ string_value(n) for n in names ]
																													for file in os.listdir(sys.argv[2]):
																														if not file in names:
																															            addFile(doc, file, filelist)
																																		    PrettyPrint(doc)

																																			if __name__ == "__main__": main()