utils.py

import sys
import gc
import torch
import psutil

# Prompts the user with a yes or no question, returns true if yes, else false
def query_yes_no(question, default="yes"):
    valid = {"yes": True, "y": True, "ye": True,
             "no": False, "n": False}
    if default is None:
        prompt = " [y/n] "
    elif default == "yes":
        prompt = " [Y/n] "
    elif default == "no":
        prompt = " [y/N] "
    else:
        raise ValueError("invalid default answer: '%s'" % default)

    while True:
        sys.stdout.write(question + prompt)
        choice = input().lower()
        if default is not None and choice == '':
            return valid[default]
        elif choice in valid:
            return valid[choice]
        else:
            sys.stdout.write("Please respond with 'yes' or 'no' "
                             "(or 'y' or 'n').\n")

def memReport():
    for obj in gc.get_objects():
        if torch.is_tensor(obj):
            print(type(obj), obj.size())
    
def cpuStats():
    print(sys.version)
    print(psutil.cpu_percent())
    print(psutil.virtual_memory())  # physical memory usage
    pid = os.getpid()
    py = psutil.Process(pid)
    memoryUse = py.memory_info()[0] / 2. ** 30  # memory use in GB...I think
    print('memory GB:', memoryUse)