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LangBot/pkg/config/impls/yaml.py

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2024-08-24 20:54:36 +08:00
import os
import shutil
import yaml
from .. import model as file_model
class YAMLConfigFile(file_model.ConfigFile):
"""YAML配置文件"""
def __init__(
self, config_file_name: str, template_file_name: str = None, template_data: dict = None
) -> None:
self.config_file_name = config_file_name
self.template_file_name = template_file_name
self.template_data = template_data
def exists(self) -> bool:
return os.path.exists(self.config_file_name)
async def create(self):
if self.template_file_name is not None:
shutil.copyfile(self.template_file_name, self.config_file_name)
elif self.template_data is not None:
with open(self.config_file_name, "w", encoding="utf-8") as f:
yaml.dump(self.template_data, f, indent=4, allow_unicode=True)
else:
raise ValueError("template_file_name or template_data must be provided")
async def load(self, completion: bool=True) -> dict:
if not self.exists():
await self.create()
if self.template_file_name is not None:
with open(self.template_file_name, "r", encoding="utf-8") as f:
self.template_data = yaml.load(f, Loader=yaml.FullLoader)
with open(self.config_file_name, "r", encoding="utf-8") as f:
try:
cfg = yaml.load(f, Loader=yaml.FullLoader)
except yaml.YAMLError as e:
raise Exception(f"配置文件 {self.config_file_name} 语法错误: {e}")
if completion:
for key in self.template_data:
if key not in cfg:
cfg[key] = self.template_data[key]
return cfg
async def save(self, cfg: dict):
with open(self.config_file_name, "w", encoding="utf-8") as f:
yaml.dump(cfg, f, indent=4, allow_unicode=True)
def save_sync(self, cfg: dict):
with open(self.config_file_name, "w", encoding="utf-8") as f:
yaml.dump(cfg, f, indent=4, allow_unicode=True)