class BarCheckInfo(Mapping):
SUMMARY = 'summary'
DETAIL = 'detail'
PASSED = 'passed'
FAILED = 'failed'
WARNING = 'warning'
def __init__(self, detail, caveat='', pass_msg='', no_warning=''):
self.passed = detail == pass_msg
info = {self.SUMMARY: self.PASSED} if self.passed else {self.SUMMARY: self.FAILED, self.DETAIL: detail}
self.warning_free = caveat == no_warning
if not self.warning_free:
info.update({self.WARNING: caveat})
self._data = MappingProxyType(info)
def __getitem__(self, key):
return self._data[key]
def __len__(self):
return len(self._data)
def __iter__(self):
return iter(self._data)
def __repr__(self):
return self._data.__repr__()
def __str__(self):
return self._data.__str__()
def __bool__(self):
return self.passed and self.warning_free
# 不可变的映射类型，d的内容可以通过MPT查看， 但是不能通过MPT修改
# dp是动态的，任何队d的修改都会反馈到dp上面
from types import MappingProxyType
d = {1: "A"}
d_proxy = MappingProxyType(d)
print(d_proxy.__repr__())
print(d_proxy[1])
# d_proxy[2] = "B"
d[2] = "b"
print(d_proxy)
