temporary file implicit close example

tempfile.py

from tempfile import NamedTemporaryFile
import os


def test():
    tf = NamedTemporaryFile()
    yield tf.name


if __name__ == "__main__":
    temp_file_generator = test()
    temp_file_name = next(temp_file_generator)
    print(f"Temp file was saved at,", temp_file_name)

    # this is before we exit from the function
    print(os.path.exists(temp_file_name))  # True

    try:
        next(temp_file_generator)
    except StopIteration:
        pass
    # this is after we exit from the function
    print(os.path.exists(temp_file_name))  # False