[1.10.x] Reverted "Fixed #26644 -- Allowed wrapping NamedTemporaryFile with File."

        self.file = file

        if name is None:

            name = getattr(file, 'name', None)

        # Use only the basename from a file's name if it's an absolute path,

        # e.g. from NamedTemporaryFile.

        if isinstance(name, six.string_types) and os.path.isabs(name):

            name = os.path.basename(name)

        self.name = name

        if hasattr(file, 'mode'):

            self.mode = file.mode

import time

import unittest

from datetime import datetime, timedelta

from tempfile import NamedTemporaryFile

from django.core.cache import cache

from django.core.exceptions import SuspiciousFileOperation, SuspiciousOperation

        with temp_storage.open('tests/stringio') as f:

            self.assertEqual(f.read(), b'content')

    def test_save_temporary_file(self):

        storage = Storage()

        with NamedTemporaryFile() as f:

            f.write(b'content')

            storage.normal = File(f)

            storage.save()  # no crash

# Tests for a race condition on file saving (#4948).

# This is written in such a way that it'll always pass on platforms

class FileTests(unittest.TestCase):

    def test_file_truncates_namedtemporaryfile_name(self):

        named_file = NamedTemporaryFile()

        f = File(named_file)

        self.assertEqual(f.name, os.path.basename(named_file.name))

    def test_unicode_uploadedfile_name(self):

        uf = UploadedFile(name='¿Cómo?', content_type='text')

        self.assertIs(type(repr(uf)), str)