class_docstr: Look for distributed steps
class_docstr_tok: ["Look","for","distributed","steps"]
code: def parse(self, elem, ctxt):
      m = re.match(r".*[<, ](step\d+(Master|Local))[>, ].*", elem)
      if m:
          ctxt.gdict["steps"].add(m.group(1))
      return False
  
imports: import re
  from collections import OrderedDict, defaultdict
label_desc: Use image node_id 1 for calling the step_parser obj's underlying member method code with example usage: obj.parse(elem, ctxt) and returns: False