import os
import shutil

def touch(name):
    open(name, 'wb').close()

unicode_dirname = "test"
dirname = os.fsencode(unicode_dirname)
os.mkdir(dirname)
try:
    touch(os.path.join(dirname, b'ascii.txt'))
    touch(os.path.join(dirname, 'latin1:\xe9.txt'.encode('latin1')))
    touch(os.path.join(dirname, 'utf8:\xe9\u20ac.txt'.encode('utf8')))
    touch(os.path.join(dirname, b'invalid_utf8:\xff.txt'))

    for name in sorted(os.listdir(unicode_dirname)):
        try:
            print(name)
        except UnicodeEncodeError:
            print("<UnicodeError %a>" % name)
finally:
    shutil.rmtree(dirname)