52 lines
1.9 KiB
Python
52 lines
1.9 KiB
Python
|
"""加载 or 保存设置文件"""
|
|||
|
|
|
|||
|
|
import json
|
|||
|
|
import os
|
|||
|
|
|
|||
|
|
|
|||
|
|
class Settings(object): # 设定一个基础的存储设置信息的 class
|
|||
|
|
def __init__(self, l_p="./out/", lang="en"):
|
|||
|
|
self.lyric_path = l_p
|
|||
|
|
self.language = lang
|
|||
|
|
|
|||
|
|
|
|||
|
|
def class2dict(aclass): # 让 json.dumps 将 class 转化为一个 dict ,用于保存
|
|||
|
|
return {
|
|||
|
|
"lyric_path": aclass.lyric_path,
|
|||
|
|
"language": aclass.language,
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
|
|||
|
|
def dict2class(adict): # 让 json.load 将读取到的 dict 转化为我们所需要的 class
|
|||
|
|
if len(adict) != 2: # 若检测到多余的设定将抛出异常
|
|||
|
|
raise json.decoder.JSONDecodeError("Too many keys", "none", 0)
|
|||
|
|
else:
|
|||
|
|
return Settings(adict["lyric_path"], adict["language"])
|
|||
|
|
|
|||
|
|
|
|||
|
|
def load_settings(): # 加载 的函数
|
|||
|
|
"""加载设置
|
|||
|
|
调用即可，无需参数
|
|||
|
|
返回: 设置 class"""
|
|||
|
|
if os.path.exists("settings.json"): # 判断目录下是否存在 settings.json ,若没有则创建,若有则读取
|
|||
|
|
with open("settings.json", 'r', encoding="utf-8") as f:
|
|||
|
|
try:
|
|||
|
|
return json.load(f, object_hook=dict2class)
|
|||
|
|
except json.decoder.JSONDecodeError: # 如果检测到文件无法读取,将会删除设置文件并重新创建
|
|||
|
|
print("设置文件损坏,重新创建...")
|
|||
|
|
os.remove("settings.json")
|
|||
|
|
return load_settings()
|
|||
|
|
else:
|
|||
|
|
with open("settings.json", 'w', encoding="utf-8") as f:
|
|||
|
|
f.write(json.dumps(Settings(), default=class2dict))
|
|||
|
|
return Settings()
|
|||
|
|
|
|||
|
|
|
|||
|
|
def save_settings(settings): # 保存 的函数
|
|||
|
|
"""保存设置
|
|||
|
|
``settings`` 传入一个 设置 class 将其序列化为json
|
|||
|
|
返回 done 即为完成，理论上不存在报错所以暂时没有做其他处理"""
|
|||
|
|
with open("settings.json", 'w', encoding="utf-8") as f:
|
|||
|
|
f.write(json.dumps(settings, default=class2dict))
|
|||
|
|
input("保存完成!按回车继续...")
|