mirror of
https://github.com/IfcOpenShell/IfcOpenShell.git
synced 2026-08-10 01:41:57 +00:00
Dion Moult
95 lines
3.5 KiB
Python
95 lines
3.5 KiB
Python
# IfcOpenShell - IFC toolkit and geometry engine
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# Copyright (C) 2021 Dion Moult <dion@thinkmoult.com>
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#
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# This file is part of IfcOpenShell.
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#
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# IfcOpenShell is free software: you can redistribute it and/or modify
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# it under the terms of the GNU Lesser General Public License as published by
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# the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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#
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# IfcOpenShell is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU Lesser General Public License for more details.
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#
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# You should have received a copy of the GNU Lesser General Public License
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# along with IfcOpenShell. If not, see <http://www.gnu.org/licenses/>.
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import ifcopenshell
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import ifcopenshell.util.date
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class Data:
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is_loaded = False
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products = {}
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classifications = {}
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references = {}
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library_file = None
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library_classifications = {}
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library_references = {}
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@classmethod
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def purge(cls):
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cls.is_loaded = False
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cls.products = {}
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cls.classifications = {}
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cls.references = {}
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cls.library_file = None
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cls.library_classifications = {}
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cls.library_references = {}
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@classmethod
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def load(cls, file, product_id=None):
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cls._file = file
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if not cls._file:
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return
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if product_id:
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return cls.load_product_classifications(product_id)
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cls.load_classifications()
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cls.load_references()
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cls.is_loaded = True
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@classmethod
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def load_product_classifications(cls, product_id):
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product = cls._file.by_id(product_id)
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cls.products[product_id] = []
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if not product.HasAssociations:
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return
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for association in product.HasAssociations:
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if association.is_a("IfcRelAssociatesClassification"):
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cls.products[product_id].append(association.RelatingClassification.id())
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@classmethod
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def load_classifications(cls):
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cls.classifications = {}
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for classification in cls._file.by_type("IfcClassification"):
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data = classification.get_info()
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if cls._file.schema == "IFC2X3" and data["EditionDate"]:
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data["EditionDate"] = ifcopenshell.util.date.ifc2datetime(data["EditionDate"]).isoformat()
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cls.classifications[classification.id()] = data
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@classmethod
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def load_references(cls):
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cls.references = {}
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for reference in cls._file.by_type("IfcClassificationReference"):
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data = reference.get_info()
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if reference.ReferencedSource:
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# data["ReferencedSource"] = cls.get_referenced_source(reference.ReferencedSource)
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data["ReferencedSource"] = reference.ReferencedSource.id()
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cls.references[reference.id()] = data
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@classmethod
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def get_referenced_source(cls, reference):
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if reference.is_a("IfcClassification"):
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return reference
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elif reference.is_a("IfcClassificationReference") and reference.ReferencedSource:
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return cls.get_referenced_source(reference.ReferencedSource)
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@classmethod
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def load_library(cls, filepath):
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cls.library_file = ifcopenshell.open(filepath)
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cls.library_classifications = {}
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for classification in cls.library_file.by_type("IfcClassification"):
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cls.library_classifications[classification.id()] = classification.Name
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