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61 lines
2.0 KiB
Python
61 lines
2.0 KiB
Python
import os
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import shutil
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import json
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from .. import model as file_model
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class JSONConfigFile(file_model.ConfigFile):
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"""JSON config file"""
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def __init__(
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self,
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config_file_name: str,
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template_file_name: str = None,
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template_data: dict = None,
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) -> None:
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self.config_file_name = config_file_name
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self.template_file_name = template_file_name
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self.template_data = template_data
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def exists(self) -> bool:
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return os.path.exists(self.config_file_name)
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async def create(self):
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if self.template_file_name is not None:
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shutil.copyfile(self.template_file_name, self.config_file_name)
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elif self.template_data is not None:
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with open(self.config_file_name, 'w', encoding='utf-8') as f:
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json.dump(self.template_data, f, indent=4, ensure_ascii=False)
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else:
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raise ValueError('template_file_name or template_data must be provided')
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async def load(self, completion: bool = True) -> dict:
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if not self.exists():
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await self.create()
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if self.template_file_name is not None:
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with open(self.template_file_name, 'r', encoding='utf-8') as f:
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self.template_data = json.load(f)
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with open(self.config_file_name, 'r', encoding='utf-8') as f:
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try:
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cfg = json.load(f)
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except json.JSONDecodeError as e:
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raise Exception(f'Syntax error in config file {self.config_file_name}: {e}')
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if completion:
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for key in self.template_data:
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if key not in cfg:
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cfg[key] = self.template_data[key]
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return cfg
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async def save(self, cfg: dict):
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with open(self.config_file_name, 'w', encoding='utf-8') as f:
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json.dump(cfg, f, indent=4, ensure_ascii=False)
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def save_sync(self, cfg: dict):
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with open(self.config_file_name, 'w', encoding='utf-8') as f:
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json.dump(cfg, f, indent=4, ensure_ascii=False)
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