checker.py 文件源码

def getDocstring(self, node):
        if isinstance(node, ast.Expr):
            node = node.value
        if not isinstance(node, ast.Str):
            return (None, None)

        if PYPY:
            doctest_lineno = node.lineno - 1
        else:
            # Computed incorrectly if the docstring has backslash
            doctest_lineno = node.lineno - node.s.count('\n') - 1

        return (node.s, doctest_lineno)