code: def read_file(path):
      
      if os.path.isabs(path):
          with wrap_file_exceptions():
              with open(path, 'rb') as stream:
                  return stream.read()
  
      with wrap_file_exceptions():
          stream = ca_storage.open(path)
  
      try:
          return stream.read()
      finally:
          stream.close()
docs: Read the file from the given path.
  
      If ``path`` is an absolute path, reads a file from the local filesystem. For relative paths, read the file
      using the storage backend configured using :ref:`CA_FILE_STORAGE <settings-ca-file-storage>`.