4. Python3源码—字符串(bytes)对象
4.1. 字符串对象 字符串对象是“变长对象”。 4.1.1. Python中的创建 Python中字符串(bytes)对象创建最重要的方法为PyBytes_FromStringAndSize,如下Python语句最终会调用到PyBytes_FromStringAndSize: a = b'hello' b = str(b'world') 4.1.2. PyBytes_FromStringAndSize的C调用栈 词法解析,最终调到PyBytes_FromStringAndSize,调用顺序如下: // ast.c ast_for_expr =>ast_for_power =>ast_for_atom_expr =>ast_for_atom (case STRING) =>parsestrplus =>parses

