code: def run(self):
      self.mkpath(self.install_dir)
      for f in self.data_files:
          if isinstance(f, str):
              # it's a simple file, so copy it
              f = convert_path(f)
              if self.warn_dir:
                  self.warn(
                      "setup script did not provide a directory for "
                      "'%s' -- installing right in '%s'"
                      % (f, self.install_dir)
                  )
              (out, _) = self.copy_file(f, self.install_dir)
              self.outfiles.append(out)
          else:
              # it's a tuple with path to install to and a list of files
              dir = convert_path(f[0])
              if not os.path.isabs(dir):
                  dir = os.path.join(self.install_dir, dir)
              elif self.root:
                  dir = change_root(self.root, dir)
              self.mkpath(dir)
  
              if f[1] == []:
                  # If there are no files listed, the user must be
                  # trying to create an empty directory, so add the
                  # directory to the list of output files.
                  self.outfiles.append(dir)
              else:
                  # Copy files, adding them to the list of output files.
                  for data in f[1]:
                      data = convert_path(data)
                      (out, _) = self.copy_file(data, dir)
                      self.outfiles.append(out)
  
file_path: catboost/contrib/tools/python3/src/Lib/distutils/command/install_data.py
imports: import os
  from distutils.core import Command
  from distutils.util import change_root, convert_path
label_desc: Use image node_id 3 for calling the install_data obj's underlying member method code with example usage: obj.run() without return types