class_docstr: Network visualization "renderer" implementation to render a network to a
  dot-formatted document, suitable for use w/ graphviz.
  
  :param outp: File-like obj to which rendered graph is written (defaults to
         sys.stdout)
  :param node_attrs: Node attributes to apply to all nodes in graph
class_docstr_tok: ["Network","visualization","``","renderer","''","implementation","to","render","a","network","to","a","dot-formatted","document",",","suitable","for","use","w\/","graphviz",".",":","param","outp",":","File-like","obj","to","which","rendered","graph","is","written","(","defaults","to","sys.stdout",")",":","param","node_attrs",":","Node","attributes","to","apply","to","all","nodes","in","graph"]
code: def __init__(self, outp=sys.stdout, node_attrs=None):
      self.outp = outp
      self.node_attrs = node_attrs or self.defaultNodeAttrs
  
imports: import sys
label_desc: Use image node_id 1 to create a new DotRenderer object from inherited base classes: object with example: obj = DotRenderer(outp, node_attrs)