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IfcStore cache - small refactor and doc-strings

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This commit is contained in:
Andrej730
2025-08-08 13:06:15 +05:00
parent 3f09dff79e
commit 858e8743ba
1 changed files with 20 additions and 13 deletions
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src/bonsai/bonsai/bim/ifc.py
+20 -13
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@@ -125,15 +125,25 @@ class IfcStore:
IfcStore.path = os.path.abspath(os.path.join(bpy.path.abspath("//"), IfcStore.path))
@staticmethod
def get_cache() -> ifcopenshell.geom.serializers.hdf5 | None:
if IfcStore.cache is None and IfcStore.path:
prefs = tool.Blender.get_addon_preferences()
assert IfcStore.file
def generate_cache_path() -> str:
"""Generate cache path based on the active file and it's path."""
assert IfcStore.file
ifc_key = IfcStore.path + IfcStore.file.wrapped_data.header.file_name.time_stamp
ifc_hash = hashlib.md5(ifc_key.encode("utf-8")).hexdigest()
prefs = tool.Blender.get_addon_preferences()
cache_path = os.path.join(prefs.cache_dir, f"{ifc_hash}.h5")
return cache_path
ifc_key = IfcStore.path + IfcStore.file.wrapped_data.header.file_name.time_stamp
ifc_hash = hashlib.md5(ifc_key.encode("utf-8")).hexdigest()
os.makedirs(prefs.cache_dir, exist_ok=True)
IfcStore.cache_path = os.path.join(prefs.cache_dir, f"{ifc_hash}.h5")
@staticmethod
def get_cache() -> ifcopenshell.geom.serializers.hdf5 | None:
"""Get existing cache for the current file or create a new one.
.h5 cache name reflects IFC filepath and it's current header's timestamp.
"""
if IfcStore.cache is None and IfcStore.path:
cache_path = IfcStore.generate_cache_path()
os.makedirs(os.path.dirname(cache_path), exist_ok=True)
IfcStore.cache_path = cache_path
cache_path = Path(IfcStore.cache_path)
cache_settings = ifcopenshell.geom.settings()
serializer_settings = ifcopenshell.geom.serializer_settings()
@@ -167,14 +177,11 @@ class IfcStore:
@staticmethod
def update_cache() -> None:
"""Update cache filename after timestamp was updated."""
if not IfcStore.cache:
return
assert IfcStore.cache_path
assert IfcStore.file
ifc_key = IfcStore.path + IfcStore.file.wrapped_data.header.file_name.time_stamp
ifc_hash = hashlib.md5(ifc_key.encode("utf-8")).hexdigest()
prefs = tool.Blender.get_addon_preferences()
new_cache_path = os.path.join(prefs.cache_dir, f"{ifc_hash}.h5")
new_cache_path = IfcStore.generate_cache_path()
IfcStore.cache = None
try:
shutil.move(IfcStore.cache_path, new_cache_path)