84 lines
2.9 KiB
Python
84 lines
2.9 KiB
Python
import json
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import uuid
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from datetime import datetime
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from pathlib import Path
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from typing import Optional, List, Any
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# iottb modules
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from iottb.definitions import ReturnCodes, DEVICE_METADATA_FILE
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from iottb.logger import logger
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# 3rd party libs
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IMMUTABLE_FIELDS = {"device_name", "device_short_name", "device_id", "date_created"}
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class DeviceMetadata:
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# Required fields
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device_name: str
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device_short_name: str
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device_id: str = lambda: str(uuid.uuid4())
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date_created: str = lambda: datetime.now().strftime('%d-%m-%YT%H:%M:%S').lower()
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device_root_path: Path
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# Optional Fields
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aliases: Optional[List[str]] = None
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device_type: Optional[str] = None
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device_serial_number: Optional[str] = None
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device_firmware_version: Optional[str] = None
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date_updated: Optional[str] = None
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capture_files: Optional[List[str]] = []
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def __init__(self, device_name: str, device_root_dir: Path):
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self.device_name = device_name
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self.device_short_name = device_name.lower().replace(" ", "_")
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# assert dir_contains_device_metadata(device_root_dir), \
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# f"Directory {device_root_dir} is missing a {DEVICE_METADATA_FILE} file"
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self.device_root_dir = device_root_dir
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logger.debug(f"Device name: {device_name}")
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logger.debug(f"Device short_name: {self.device_short_name}")
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logger.debug(f"Device root dir: {device_root_dir}")
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logger.info(f"Initialized DeviceMetadata model: {device_name}")
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@classmethod
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def load_from_json(cls, device_file_path: Path):
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logger.info(f"Loading DeviceMetadata from JSON file: {device_file_path}")
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assert device_file_path.is_file(), f"{device_file_path} is not a file"
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assert device_file_path.name == DEVICE_METADATA_FILE, f"{device_file_path} is not a {DEVICE_METADATA_FILE}"
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device_meta_filename = device_file_path
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with device_meta_filename.open('r') as file:
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metadata_json = json.load(file)
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metadata_model_obj = cls.model_validate_json(metadata_json)
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return metadata_model_obj
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def save_to_json(self, file_path: Path):
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logger.info(f"Saving DeviceMetadata to JSON file: {file_path}")
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if file_path.is_file():
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print(f"File {file_path} already exists, update instead.")
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return ReturnCodes.FILE_ALREADY_EXISTS
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metadata = self.model_dump_json(indent=2)
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with file_path.open('w') as file:
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json.dump(metadata, file)
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return ReturnCodes.SUCCESS
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@classmethod
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def model_validate_json(cls, metadata_json):
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pass
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def model_dump_json(self, indent):
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pass
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def dir_contains_device_metadata(dir_path: Path):
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if not dir_path.is_dir():
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return False
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else:
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meta_file_path = dir_path / DEVICE_METADATA_FILE
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print(f"Device metadata file path {str(meta_file_path)}")
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if not meta_file_path.is_file():
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return False
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else:
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return True
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