import zipfile
import os
import time

def unzipfile_and_remove(downloadFilePath, filename):

    filepath = downloadFilePath + "\\" + filename + ".zip"

    while not os.path.exists(filepath):
        time.sleep(1)

    if os.path.isfile(filepath):

        zip_ref = zipfile.ZipFile(filepath, "r")
        zip_ref.extractall(downloadFilePath)
        zip_ref.close()

        os.remove(filepath)
    else:
        raise ValueError("%s isn't a file!" % filepath)