def test_find_entries_empty_file(tmp_path):
h5_file = tmp_path / "tmp.nxs"
with h5py.File(h5_file, "w"):
pass
with h5py.File(h5_file, "r") as fr:
entries = nexus.find_entries(fr)
assert len(entries) == 0
def understand(image_file):
import h5py
is_nexus_still = False
try:
from dxtbx.format.nexus import find_entries, find_class
# Get the file handle
handle = h5py.File(image_file, 'r')
for entry in find_entries(handle, "/"):
for sample in find_class(entry, "NXsample"):
if 'depends_on' not in sample:
is_nexus_still = True
except IOError:
return False
return is_nexus_still
def understand(image_file):
is_nexus_still = False
try:
# Get the file handle
with h5py.File(image_file, "r") as handle:
if "/entry/sample/goniometer/omega_increment" in handle:
return False
for entry in nexus.find_entries(handle):
for sample in nexus.find_class(entry, "NXsample"):
if "depends_on" not in sample:
is_nexus_still = True
except IOError:
return False
return is_nexus_still
def test_find_entries_no_entry(tmp_path):
h5_file = tmp_path / "tmp.nxs"
with h5py.File(h5_file, "w") as fw:
# NX_class == NXdata
group = fw.create_dataset("data", (100, ))
group.attrs["NX_class"] = "NXdata"
# NX_class == NXentry but no definition provided - skip this entry
group = fw.create_group("no_definition")
group.attrs["NX_class"] = "NXentry"
# NX_class == NXentry but definition != NXmx
group = fw.create_group("wrong_definition")
group.attrs["NX_class"] = "NXentry"
group["definition"] = "NXmagic"
with h5py.File(h5_file, "r") as fr:
entries = nexus.find_entries(fr)
assert len(entries) == 0
def test_find_entries(nexus_file):
with h5py.File(nexus_file, "r") as fr:
entries = nexus.find_entries(fr)
assert len(entries) == len(entry_names)
assert set(entry.name for entry in entries) == set(entry_names)