remember.py

#!/usr/bin/env python3


import subprocess
def cli(cmd_str):
    process = subprocess.Popen(cmd_str, stdout=subprocess.PIPE, 
                               stderr=subprocess.PIPE, shell=True)
    output, error = process.communicate()
    output, error = [x if len(x) > 0 else None 
                     for x in (output.decode().strip(), error.decode().strip())]
    return output, error


import os
import shutil
def delete_whatever(path_to_whatever):
    if not os.path.exists(path_to_whatever):
        return False
    elif os.path.isfile(path_to_whatever):
        os.remove(path_to_whatever)
    else:
        shutil.rmtree(path_to_whatever, ignore_errors=False, onerror=None)
    return True

  
def chunks(li, n):
    if li == []:
        return
    yield li[:n]
    yield from chunks(li[n:], n)


def flatten(li):
    return [item for sublist in li for item in sublist]


from datetime import datetime
def get_now():
    return datetime.now().__str__()