def load(self, directory, filename):
if self._content is not None: # avoid loading multiple times
if self._content.size > 0:
it = AffineExpansionStorageContent_Iterator(
self._content,
flags=["multi_index", "refs_ok"],
op_flags=["readonly"])
while not it.finished:
if self._content[
it.
multi_index] is not None: # ... but only if there is at least one element different from None
if isinstance(self._content[it.multi_index],
AbstractFunctionsList):
if len(
self._content[it.multi_index]
) > 0: # ... unless it is an empty FunctionsList
return False
elif isinstance(self._content[it.multi_index],
AbstractBasisFunctionsMatrix):
if sum(
self._content[it.multi_index].
_component_name_to_basis_component_length
.values()
) > 0: # ... unless it is an empty BasisFunctionsMatrix
return False
else:
return False
it.iternext()
# Get full directory name
full_directory = Folders.Folder(
os.path.join(str(directory), filename))
# Exit in the trivial case of empty affine expansion
if self._content.size is 0:
return True
# Load content item type and shape
reference_item = self._load_content_item_type_shape(full_directory)
# Initialize iterator
it = AffineExpansionStorageContent_Iterator(
self._content, flags=["c_index", "multi_index", "refs_ok"])
# Load content
self._load_content(reference_item, it, full_directory)
# Load dicts
self._load_dicts(full_directory)
# Reset precomputed slices
self._precomputed_slices.clear()
self._prepare_trivial_precomputed_slice(reference_item)
# Return
return True
def __getitem__(self, key):
"""
return the subtensors of size "key" for every element in content. (e.g. submatrices [1:5,1:5] of the affine expansion of A)
"""
it = AffineExpansionStorageContent_Iterator(
self._content,
flags=["multi_index", "refs_ok"],
op_flags=["readonly"])
slices = slice_to_array(
self._content[it.multi_index], key,
self._component_name_to_basis_component_length,
self._component_name_to_basis_component_index)
if slices in self._precomputed_slices:
return self._precomputed_slices[slices]
else:
output = _AffineExpansionStorage.__new__(
type(self), *self._content.shape)
output.__init__(*self._content.shape)
while not it.finished:
# Slice content and assign
output[it.multi_index] = self._do_slicing(
self._content[it.multi_index], key)
# Increment
it.iternext()
self._precomputed_slices[slices] = output
return output
def _load_dicts(self, full_directory):
assert DictIO.exists_file(
full_directory, "component_name_to_basis_component_index")
self._component_name_to_basis_component_index = DictIO.load_file(
full_directory,
"component_name_to_basis_component_index",
globals={
"ComponentNameToBasisComponentIndexDict":
ComponentNameToBasisComponentIndexDict
})
assert DictIO.exists_file(
full_directory, "component_name_to_basis_component_length")
self._component_name_to_basis_component_length = DictIO.load_file(
full_directory,
"component_name_to_basis_component_length",
globals={"OnlineSizeDict": OnlineSizeDict})
it = AffineExpansionStorageContent_Iterator(
self._content,
flags=["multi_index", "refs_ok"],
op_flags=["readonly"])
while not it.finished:
if self._component_name_to_basis_component_index is not None:
self._content[
it.
multi_index]._component_name_to_basis_component_index = self._component_name_to_basis_component_index
if self._component_name_to_basis_component_length is not None:
self._content[
it.
multi_index]._component_name_to_basis_component_length = self._component_name_to_basis_component_length
it.iternext()
def save(self, directory, filename):
# Get full directory name
full_directory = Folders.Folder(
os.path.join(str(directory), filename))
full_directory.create()
# Exit in the trivial case of empty affine expansion
if self._content.size is 0:
return
# Initialize iterator
it = AffineExpansionStorageContent_Iterator(
self._content,
flags=["c_index", "multi_index", "refs_ok"],
op_flags=["readonly"])
# Save content item type and shape
self._save_content_item_type_shape(self._content[it.multi_index],
it, full_directory)
# Save content
self._save_content(self._content[it.multi_index], it,
full_directory)
# Save dicts
self._save_dicts(full_directory)
def __iter__(self):
return AffineExpansionStorageContent_Iterator(
self._content, flags=["refs_ok"], op_flags=["readonly"])