tools/python/makeTree.py

   1 import sys
   2 import pyatspi
   3 import uuid
   4
   5 from xml.dom import minidom
   6
   7 INTERFACES = [
   8 "Accessible",
   9 "Desktop",
  10 "Image",
  11 "StreamableContent",
  12 "Action",
  13 "Document",
  14 "Table",
  15 "Application",
  16 "EditableText",
  17 "MatchRule",
  18 "Text",
  19 "Collection",
  20 "Hyperlink",
  21 "Value",
  22 "Component",
  23 "Hypertext",
  24 "Selection",
  25 ]
  26
  27 def getChild(accessible, i):
  28         try:
  29                 child = accessible.getChildAtIndex(i)
  30         except LookupError:
  31                 child = None
  32         return child
  33
  34 def createNode(accessible, parentRef, parentElement):
  35         e = minidom.Element("accessible")
  36         reference = '/' + str(uuid.uuid4()).replace('-', '')
  37
  38         e.attributes["reference"] = reference
  39         e.attributes["parent"] = parentRef
  40         e.attributes["name"] = accessible.name
  41         e.attributes["role"] = str(accessible.getRole())
  42         e.attributes["description"] = accessible.description
  43
  44         for i in INTERFACES:
  45                 query = getattr(accessible, "query" + i)
  46                 try:
  47                         query()
  48                         itf = minidom.Element("interface")
  49                         itf.attributes["name"] = i
  50                         e.appendChild(itf)
  51                 except NotImplementedError:
  52                         pass
  53                 except LookupError:
  54                         pass
  55
  56         try:
  57                 count = accessible.childCount
  58         except LookupError:
  59                 count = 0
  60
  61         for i in range(count):
  62                 child = getChild(accessible, i)
  63                 if child is not None:
  64                         createNode(child, reference, e)
  65
  66         parentElement.appendChild(e)
  67
  68 def main(argv):
  69         filename = argv[1]
  70         doc = minidom.Document()
  71         desk = pyatspi.Registry.getDesktop(0)
  72         createNode(desk, '/', doc)
  73
  74         file = open(filename, 'w')
  75         file.write(doc.toprettyxml())
  76         file.close()
  77
  78 if __name__ == "__main__":
  79         sys.exit(main(sys.argv))