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import tempfile | |
import os | |
# Your memory session code as a string | |
memory_isolation_code = """ | |
from cryptography.fernet import Fernet | |
import numpy as np | |
import base64 | |
class SecureMemorySession: | |
def __init__(self, encryption_key: bytes = None): | |
self.key = encryption_key or Fernet.generate_key() | |
self.fernet = Fernet(self.key) | |
self.sessions = {} | |
def encrypt_vector(self, user_id: int, vector: np.ndarray) -> str: | |
vector_bytes = vector.tobytes() | |
encrypted = self.fernet.encrypt(vector_bytes) | |
encoded = base64.b64encode(encrypted).decode('utf-8') | |
self.sessions.setdefault(user_id, []).append(encoded) | |
return encoded | |
def decrypt_vectors(self, user_id: int) -> list: | |
if user_id not in self.sessions: | |
return [] | |
decrypted_vectors = [] | |
for encoded in self.sessions[user_id]: | |
encrypted = base64.b64decode(encoded) | |
decrypted = self.fernet.decrypt(encrypted) | |
vector = np.frombuffer(decrypted, dtype=np.int64) | |
decrypted_vectors.append(vector) | |
return decrypted_vectors | |
def get_encryption_key(self) -> bytes: | |
return self.key | |
""" | |
def create_secure_memory_module(): | |
# Create a temporary file that acts as our secure_memory module | |
with tempfile.NamedTemporaryFile("w+", suffix="_secure_memory.py", delete=False) as tmp: | |
tmp.write(memory_isolation_code) | |
tmp_path = tmp.name | |
# Insert the temp file directory into sys.path so it can be imported | |
import sys | |
module_dir = os.path.dirname(tmp_path) | |
if module_dir not in sys.path: | |
sys.path.insert(0, module_dir) | |
return os.path.basename(tmp_path).replace(".py", "") | |