mirror of
https://github.com/IfcOpenShell/IfcOpenShell.git
synced 2026-08-11 10:06:47 +00:00
Dion Moult
217 lines
8.9 KiB
Python
Executable File
217 lines
8.9 KiB
Python
Executable File
#!/usr/bin/env python3
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# IfcCSV - A utility to interact with IFC data through CSV.
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# Copyright (C) 2020, 2021 Dion Moult <dion@thinkmoult.com>
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#
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# This file is part of IfcCSV.
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#
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# IfcCSV 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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# IfcCSV 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 IfcCSV. If not, see <http://www.gnu.org/licenses/>.
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# This can be packaged with `pyinstaller --onefile --clean --icon=icon.ico ifccsv.py`
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import ifcopenshell
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import ifcopenshell.util.selector
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import ifcopenshell.util.element
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import ifcopenshell.util.schema
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import csv
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import argparse
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class IfcAttributeSetter:
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@staticmethod
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def set_element_key(ifc_file, element, key, value):
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if key == "type" and element.is_a() != value:
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return ifcopenshell.util.schema.reassign_class(ifc_file, element, value)
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if hasattr(element, key):
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setattr(element, key, value)
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return element
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if "." not in key:
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return element
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if key[0:3] == "Qto":
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qto_name, prop = key.split(".", 1)
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qto = IfcAttributeSetter.get_element_qto(element, qto_name)
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if qto:
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IfcAttributeSetter.set_qto_property(qto, prop, value)
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return element
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pset_name, prop = key.split(".", 1)
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pset = IfcAttributeSetter.get_element_pset(element, pset_name)
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if pset:
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IfcAttributeSetter.set_pset_property(ifc_file, pset, prop, value)
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return element
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return element
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@staticmethod
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def get_element_qto(element, name):
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for relationship in element.IsDefinedBy:
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if (
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relationship.is_a("IfcRelDefinesByProperties")
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and relationship.RelatingPropertyDefinition.is_a("IfcElementQuantity")
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and relationship.RelatingPropertyDefinition.Name == name
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):
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return relationship.RelatingPropertyDefinition
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@staticmethod
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def set_qto_property(qto, name, value):
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for prop in qto.Quantities:
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if prop.Name != name:
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continue
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setattr(prop, prop.is_a()[len("IfcQuantity") :] + "Value", value)
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@staticmethod
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def get_element_pset(element, name):
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if element.is_a("IfcTypeObject"):
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if element.HasPropertySets:
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for pset in element.HasPropertySets:
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if pset.is_a("IfcPropertySet") and pset.Name == name:
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return pset
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else:
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for relationship in element.IsDefinedBy:
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if (
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relationship.is_a("IfcRelDefinesByProperties")
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and relationship.RelatingPropertyDefinition.is_a("IfcPropertySet")
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and relationship.RelatingPropertyDefinition.Name == name
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):
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return relationship.RelatingPropertyDefinition
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@staticmethod
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def set_pset_property(ifc_file, pset, name, value):
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for property in pset.HasProperties:
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if property.Name != name:
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continue
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if value.lower() in ["null", "none"]:
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property.NominalValue = None
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continue
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# In lieu of loading a map for data casting, we only have four
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# options, which this ugly method will determine.
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if property.NominalValue is None:
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if value.isnumeric():
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property.NominalValue = ifc_file.createIfcInteger(int(value))
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elif value.lower() in ["1", "true", "yes", "uh-huh"]:
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property.NominalValue = ifc_file.createIfcBoolean(True)
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elif value.lower() in ["0", "false", "no", "nope"]:
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property.NominalValue = ifc_file.createIfcBoolean(False)
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else:
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try:
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value = float(value)
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property.NominalValue = ifc_file.createIfcReal(value)
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except:
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property.NominalValue = ifc_file.createIfcLabel(str(value))
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else:
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try:
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property.NominalValue.wrappedValue = str(value)
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except:
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try:
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property.NominalValue.wrappedValue = float(value)
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except:
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try:
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property.NominalValue.wrappedValue = int(value)
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except:
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property.NominalValue.wrappedValue = (
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True if value.lower() in ["1", "true", "yes", "uh-huh"] else False
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)
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class IfcCsv:
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def __init__(self):
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self.results = []
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self.attributes = []
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self.output = ""
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self.selector = ifcopenshell.util.selector.Selector()
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self.delimiter = ","
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def export(self, ifc_file, elements):
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self.ifc_file = ifc_file
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for element in elements:
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result = []
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if hasattr(element, "GlobalId"):
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result.append(element.GlobalId)
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else:
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result.append(None)
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for index, attribute in enumerate(self.attributes):
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if "*" in attribute:
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self.attributes.extend(self.get_wildcard_attributes(attribute))
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del self.attributes[index]
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for attribute in self.attributes:
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result.append(self.selector.get_element_value(element, attribute))
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self.results.append(result)
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with open(self.output, "w", newline="", encoding="utf-8") as f:
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writer = csv.writer(f, delimiter=self.delimiter)
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header = ["GlobalId"]
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header.extend(self.attributes)
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writer.writerow(header)
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for row in self.results:
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writer.writerow(row)
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def get_wildcard_attributes(self, attribute):
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results = set()
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pset_qto_name = attribute.split(".", 1)[0]
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for element in self.ifc_file.by_type("IfcPropertySet") + self.ifc_file.by_type("IfcElementQuantity"):
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if element.Name != pset_qto_name:
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continue
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if element.is_a("IfcPropertySet"):
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results.update([p.Name for p in element.HasProperties])
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else:
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results.update([p.Name for p in element.Quantities])
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return ["{}.{}".format(pset_qto_name, n) for n in results]
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def Import(self, ifc_file):
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with open(self.output, newline="", encoding="utf-8") as f:
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reader = csv.reader(f, delimiter=self.delimiter)
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headers = []
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for row in reader:
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if not headers:
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headers = row
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continue
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try:
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element = ifc_file.by_guid(row[0])
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except:
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print("The element with GUID {} was not found".format(row[0]))
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continue
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for i, value in enumerate(row):
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if i == 0:
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continue # Skip GlobalId
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element = IfcAttributeSetter.set_element_key(ifc_file, element, headers[i], value)
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if __name__ == "__main__":
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parser = argparse.ArgumentParser(description="Exports IFC data to and from CSV")
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parser.add_argument("-i", "--ifc", type=str, required=True, help="The IFC file")
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parser.add_argument("-c", "--csv", type=str, default="data.csv", help="The CSV file to import from or export to")
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parser.add_argument("-q", "--query", type=str, default="", help='Specify a IFC query selector, such as ".IfcWall"')
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parser.add_argument("-a", "--arguments", nargs="+", help="Specify attributes that are part of the extract, using the IfcQuery syntax such as 'type', 'Name' or 'Pset_Foo.Bar'")
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parser.add_argument("--export", action="store_true", help="Export from IFC to CSV")
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parser.add_argument("--import", action="store_true", help="Import from CSV to IFC")
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args = parser.parse_args()
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if args.export:
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ifc_file = ifcopenshell.open(args.ifc)
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selector = ifcopenshell.util.selector.Selector()
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results = selector.parse(ifc_file, args.query)
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ifc_csv = IfcCsv()
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ifc_csv.output = args.csv
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ifc_csv.attributes = args.arguments if args.arguments else []
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ifc_csv.selector = selector
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ifc_csv.export(ifc_file, results)
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elif getattr(args, "import"):
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ifc_csv = IfcCsv()
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ifc_csv.output = args.csv
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ifc_file = ifcopenshell.open(args.ifc)
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ifc_csv.Import(ifc_file)
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ifc_file.write(args.ifc)
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