def mkstemp(suffix='', prefix='tmp', dir=None, text=False):
if text:
raise NotImplementedError
if dir is None:
dir = ''
# TODO: Make suffix actually follow the rest of the filename.
f, err = TempFile(dir, prefix + '-' + suffix)
if err:
raise OSError(err.Error())
try:
fd, err = Dup(f.Fd())
if err:
raise OSError(err.Error())
return fd, f.Name()
finally:
f.Close()
