Portal/rsconcept/backend/shared/utility.py

26 lines
771 B
Python

''' Utility functions. '''
import json
from io import BytesIO
from typing import Optional
from zipfile import BadZipFile, ZipFile
def read_zipped_json(data, json_filename: str) -> Optional[dict]:
''' Read JSON from zipped data. '''
try:
with ZipFile(data, 'r') as archive:
json_data = archive.read(json_filename)
except BadZipFile:
return None
result: dict = json.loads(json_data)
return result
def write_zipped_json(json_data: dict, json_filename: str) -> bytes:
''' Write json JSON to bytes buffer '''
content = BytesIO()
data = json.dumps(json_data, indent=4, ensure_ascii=False)
with ZipFile(content, 'w') as archive:
archive.writestr(json_filename, data=data)
return content.getvalue()