ast_edits.py 文件源码

def _get_attribute_full_path(self, node):
    """Traverse an attribute to generate a full name e.g. tf.foo.bar.

    Args:
      node: A Node of type Attribute.

    Returns:
      a '.'-delimited full-name or None if the tree was not a simple form.
      i.e. `foo()+b).bar` returns None, while `a.b.c` would return "a.b.c".
    """
    curr = node
    items = []
    while not isinstance(curr, ast.Name):
      if not isinstance(curr, ast.Attribute):
        return None
      items.append(curr.attr)
      curr = curr.value
    items.append(curr.id)
    return ".".join(reversed(items))