def _load_surf_files_gifti_gzip(surf_file):
"""Load surface data Gifti files which are gzipped. This
function is used by load_surf_mesh and load_surf_data for
extracting gzipped files.
Part of the code can be removed while bumping nibabel 2.0.2
"""
with gzip.open(surf_file) as f:
as_bytes = f.read()
if LooseVersion(nibabel.__version__) >= LooseVersion('2.1.0'):
parser = gifti.GiftiImage.parser()
parser.parse(as_bytes)
gifti_img = parser.img
else:
from nibabel.gifti.parse_gifti_fast import ParserCreate, Outputter
parser = ParserCreate()
parser.buffer_text = True
out = Outputter()
parser.StartElementHandler = out.StartElementHandler
parser.EndElementHandler = out.EndElementHandler
parser.CharacterDataHandler = out.CharacterDataHandler
parser.Parse(as_bytes)
gifti_img = out.img
return gifti_img
def test_parse_deprecated():
# Test deprecation
with clear_and_catch_warnings() as w:
warnings.filterwarnings('always', category=DeprecationWarning)
op = Outputter()
assert_equal(len(w), 1)
op.initialize() # smoke test--no error.
with clear_and_catch_warnings() as w:
warnings.filterwarnings('always', category=DeprecationWarning)
assert_raises(ValueError, parse_gifti_file)
assert_equal(len(w), 1)