class_docstr: path implementation that offers access to (possibly remote) subversion
  repositories. 
code: def __repr__(self):
      if self.rev == -1:
          return "svnurl(%r)" % self.strpath
      else:
          return "svnurl(%r, %r)" % (self.strpath, self.rev)
  
imports: import os, sys, time, re
  import py
  from py import path, process
  from py._path import common
  from py._path import svnwc
  from py._path.cacheutil import BuildcostAccessCache, AgingCache
label_desc: Use image node_id 2 for calling the SvnCommandPath obj's underlying member method code with example usage: obj.__repr__() and returns: unknown, unknown