def delete_registers(self, registers:list):
"""
将register列表中的register_image从data中删除
@param: registers:list 需要删除的register图片的列表，注意列表中的每一项必须是register_path（because list.remove）
@return: void 副作用，改变了self.data
"""
print(f"Before deleting, {self.np}_data has registers: {self.total_registers}")
print("There are {} registers should be deleted.".format(len(registers)))
register2index = self.register2index()
for register_path in registers:
register_name = osp.basename(register_path)
index = register2index[register_name]
self.data["images"][index]["register_images"].remove(register_path)
self.total_registers = ParseNP.total_registers(self.data)
print(f"After deleting, {self.np}_data has registers: {self.total_registers}")
def __init__(self, jsonfile, np:str):
"""
对象化np_samples.json
@param: jsonfile 可以是json的地址，或解析后的dict
@param: np 是n_samples.json就填”n“，反之填”p“
"""
if isinstance(jsonfile,str):
self.data = ParseNP.read_json(jsonfile)
elif isinstance(jsonfile,dict):
self.data = jsonfile
else:
print("Unsupported sample file type: ",jsonfile)
self.np = np
self.group_id = self.data["images"][0]["group_id"]
self.total_samples = ParseNP.total_samples(self.data)
self.total_requests = ParseNP.total_requests(self.data)
self.total_registers = ParseNP.total_registers(self.data)