import importlib.metadata
import torch
import logging
logging.basicConfig(level=logging.INFO, format='%(asctime)s - %(levelname)s - %(message)s')
log = logging.getLogger(__name__)

def check_diffusers_version():
    try:
        version = importlib.metadata.version('diffusers')
        required_version = '0.31.0'
        if version < required_version:
            raise AssertionError(f"diffusers version {version} is installed, but version {required_version} or higher is required.")
    except importlib.metadata.PackageNotFoundError:
        raise AssertionError("diffusers is not installed.")

def print_memory(device):
    memory = torch.cuda.memory_allocated(device) / 1024**3
    max_memory = torch.cuda.max_memory_allocated(device) / 1024**3
    max_reserved = torch.cuda.max_memory_reserved(device) / 1024**3
    log.info(f"Allocated memory: {memory=:.3f} GB")
    log.info(f"Max allocated memory: {max_memory=:.3f} GB")
    log.info(f"Max reserved memory: {max_reserved=:.3f} GB")
    #memory_summary = torch.cuda.memory_summary(device=device, abbreviated=False)
    #log.info(f"Memory Summary:\n{memory_summary}")