Files
LangBot/pkg/config/impls/yaml.py
2025-07-10 11:01:16 +08:00

61 lines
2.0 KiB
Python

import os
import shutil
import yaml
from .. import model as file_model
class YAMLConfigFile(file_model.ConfigFile):
"""YAML config file"""
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'Syntax error in config file {self.config_file_name}: {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)