src/backend/base/langflow/services/session/utils.py

import hashlib
import random
import string

from langflow.services.cache.utils import filter_json
from langflow.services.database.models.base import orjson_dumps


def session_id_generator(size=6):
    return "".join(random.SystemRandom().choices(string.ascii_uppercase + string.digits, k=size))


def compute_dict_hash(graph_data):
    graph_data = filter_json(graph_data)

    cleaned_graph_json = orjson_dumps(graph_data, sort_keys=True)

    return hashlib.sha256(cleaned_graph_json.encode("utf-8")).hexdigest()