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import numpy as np
import json
from datetime import datetime
from config import MEMORY_SIZE, LOCAL_MEMORY_SIZE

class MemoryManager:
    def __init__(self):
        self.memory = np.memmap('jairvismkv_memory.bin', dtype='uint8', mode='w+', shape=(MEMORY_SIZE,))
        self.local_memory_size = LOCAL_MEMORY_SIZE
        self.last_backup_date = None

    def store(self, input_data, output_data):
        data = json.dumps({
            'timestamp': datetime.now().isoformat(),
            'input': input_data,
            'output': output_data
        })
        data_bytes = data.encode('utf-8')
        data_size = len(data_bytes)

        available_index = self.find_available_space(data_size)
        if available_index is not None:
            self.memory[available_index:available_index+data_size] = np.frombuffer(data_bytes, dtype='uint8')
            self.memory.flush()
            self.manage_local_memory()
        else:
            print("Not enough space in memory to store the data")

    def find_available_space(self, size):
        for i in range(0, len(self.memory) - size):
            if np.all(self.memory[i:i+size] == 0):
                return i
        return None

    def manage_local_memory(self):
        current_size = self.memory.size * self.memory.itemsize
        if current_size > self.local_memory_size:
            excess_size = current_size - self.local_memory_size
            self.memory = self.memory[:self.local_memory_size]
            self.memory.flush()
            print(f"Local memory optimized. Current size: {self.local_memory_size / (1024**3):.2f} GB")

    def retrieve(self, query):
        # Implement retrieval logic here
        # This could involve searching through the memory for relevant information
        pass

    def create_backup(self):
        current_date = datetime.now()
        if self.last_backup_date is None or (current_date - self.last_backup_date).days >= 30:
            backup_file = f"jairvismkv_backup_{current_date.strftime('%Y%m%d')}.bin"
            self.memory.flush()
            # Implement backup logic here (e.g., using Hugging Face's file storage)
            self.last_backup_date = current_date
            print(f"Backup created: {backup_file}")

    def load_from_backup(self, backup_file):
        # Implement logic to load memory from a backup file
        pass