import tempfile # Create a NamedTemporaryFile and write some data to it with tempfile.NamedTemporaryFile(mode='w+', delete=False) as tmpfile: tmpfile.write("hello world") # Truncate the file to 5 bytes tmpfile.truncate(5) # The file has been automatically deleted since delete=False was not specified
import tempfile # Create a NamedTemporaryFile and write some data to it with tempfile.NamedTemporaryFile(mode='w+', delete=False) as tmpfile: tmpfile.write("hello world") tmpfile.flush() # Truncate the file to 0 bytes tmpfile.truncate() # Read the contents of the file, which should now be empty contents = tmpfile.read() # The file has been automatically deleted since delete=False was not specifiedIn this example, we create a `NamedTemporaryFile` object, write some data to it, flush the output buffer, and then truncate the file to 0 bytes. We then read the contents of the file and store it in the `contents` variable, which should be an empty string. The `tempfile` library is a built-in Python library, so no additional package installation is required.