class_docstr: path implementation that offers access to (possibly remote) subversion
  repositories. 
code: def _cmdexec(self, cmd):
      try:
          out = process.cmdexec(cmd)
      except py.process.cmdexec.Error:
          e = sys.exc_info()[1]
          if (
              e.err.find("File Exists") != -1
              or e.err.find("File already exists") != -1
          ):
              raise py.error.EEXIST(self)
          raise
      return out
  
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 6 for calling the SvnCommandPath obj's underlying member method code with example usage: obj._cmdexec(cmd) and returns: out