parameters: (filename)
return_statement: return file_exists_v2(filename)
docstring: Determines whether a path exists or not.
  
    Args:
      filename: string, a path
  
    Returns:
      True if the path exists, whether it's a file or a directory.
      False if the path does not exist and there are no filesystem errors.
  
    Raises:
      errors.OpError: Propagates any errors reported by the FileSystem API.
docstring_summary: Determines whether a path exists or not.
docstring_tokens: Determines whether a path exists or not .
function: def file_exists(filename):
    """Determines whether a path exists or not.
  
    Args:
      filename: string, a path
  
    Returns:
      True if the path exists, whether it's a file or a directory.
      False if the path does not exist and there are no filesystem errors.
  
    Raises:
      errors.OpError: Propagates any errors reported by the FileSystem API.
    """
    return file_exists_v2(filename)
function_tokens: def file_exists ( filename ) : return file_exists_v2 ( filename )