upload_from_temp_file.py

import tempfile
import json

from google.cloud import storage

def upload_from_temp_file(some_data):
    with tempfile.NamedTemporaryFile() as fp:
        json_data = json.dumps(some_data)
        fp.write(json_data.encode())
        fp.flush()
        with open(fp.name, "rb") as f:
            storage_client = storage.Client()
            bucket = storage_client.get_bucket('my_bucket')
            blob = bucket.blob("some_cool_name.json")
            blob.upload_from_file(f)