def __setattr__(self, name: str, val: Any) -> None:
if name.startswith("!"):
super(GlobalAttributeManager, self).__setattr__(name[1:], val)
elif "/" in name:
raise KeyError("Attribute name cannot contain slash (/)")
else:
if self.f is not None:
if loompy.compare_loom_spec_version(self.f, "3.0.0") < 0 and "attrs" not in self.f["/"]:
normalized = loompy.normalize_attr_values(val, False)
self.f.attrs[name] = normalized
self.f.flush()
val = self.f.attrs[name]
# Read it back in to ensure it's synced and normalized
normalized = loompy.materialize_attr_values(val)
self.__dict__["storage"][name] = normalized
else:
normalized = loompy.normalize_attr_values(val, True)
if name in self.f["attrs"]:
del self.f["attrs"][name]
if not np.isscalar(normalized) and normalized.dtype == np.object_:
self.ds._file.create_dataset("attrs/" + name, data=normalized, dtype=h5py.special_dtype(vlen=str))
else:
self.f["attrs"][name] = normalized
self.f.flush()
val = self.f["attrs"][name][()]
# Read it back in to ensure it's synced and normalized
normalized = loompy.materialize_attr_values(val)
self.__dict__["storage"][name] = normalized
def __delattr__(self, name: str) -> None:
if name.startswith("!"):
super(GlobalAttributeManager, self).__delattr__(name[1:])
else:
if self.f is not None:
if loompy.compare_loom_spec_version(self.f, "3.0.0") < 0:
if name in self.f.attrs:
del self.f.attrs[name]
else:
if name in self.f["attrs"]:
del self.f["attrs"][name]
del self.__dict__["storage"][name]
def __getattr__(self, name: str) -> np.ndarray:
try:
return self.__dict__["storage"][name]
except KeyError:
if self.f is not None:
if loompy.compare_loom_spec_version(self.f, "3.0.0") < 0:
if name in self.f.attrs:
val = self.f.attrs[name]
else:
raise AttributeError(f"File has no global attribute '{name}'")
else:
if name in self.f["attrs"]:
val = self.f["attrs"][name]
else:
raise AttributeError(f"File has no global attribute '{name}'")
materialized = loompy.materialize_attr_values(val)
self.__dict__["storage"][name] = materialized
return materialized