mirror of
https://github.com/IfcOpenShell/IfcOpenShell.git
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Dion Moult
84 lines
3.1 KiB
Python
84 lines
3.1 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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from datetime import datetime
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class Data:
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is_loaded = False
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products = {}
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references = {}
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information = {}
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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.references = {}
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cls.information = {}
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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(product_id)
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cls.load_references()
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cls.load_information()
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cls.is_loaded = True
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@classmethod
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def load_product(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("IfcRelAssociatesDocument"):
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cls.products[product_id].append(association.RelatingDocument.id())
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@classmethod
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def load_information(cls):
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cls.information = {}
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for information in cls._file.by_type("IfcDocumentInformation"):
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data = information.get_info()
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if cls._file.schema == "IFC2X3":
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for attribute in ["CreationTime", "LastRevisionTime", "ValidFrom", "ValidUntil"]:
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if data[attribute]:
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data[attribute] = ifcopenshell.util.date.ifc2datetime(data[attribute]).isoformat()
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if data["ElectronicFormat"]:
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data["ElectronicFormat"] = "{}/{}".format(
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information.ElectronicFormat.MimeContentType, information.ElectronicFormat.MimeSubtype
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)
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cls.information[information.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("IfcDocumentReference"):
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data = reference.get_info()
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if cls._file.schema == "IFC2X3":
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if reference.ReferenceToDocument:
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data["ReferencedDocument"] = reference.ReferenceToDocument[0].id()
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elif reference.ReferencedDocument:
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data["ReferencedDocument"] = reference.ReferencedDocument.id()
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cls.references[reference.id()] = data
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