code: def show_deps(self):
          
  
          pkgs = pkg_resources.Environment()
  
          for pkg in pkgs[self.project_name]:
              if not self.version:
                  print(pkg.project_name, pkg.version)
  
              i = len(pkg._dep_map.values()[0])
              if i:
                  while i:
                      if not self.version or self.version and \
                              pkg.version == self.version:
                          if self.version and i == len(pkg._dep_map.values()[0]):
                              print(pkg.project_name, pkg.version)
                          print("  " + str(pkg._dep_map.values()[0][i - 1]))
                      i -= 1
              else:
                  self.logger.info(\
                      "No dependency information was supplied with the package.")
                  return 1
          return 0
docs: Show dependencies for package(s)
  
          @returns: 0 - sucess  1 - No dependency info supplied