Arch: Housecleaning - Moving IFC getPreferences() to helper module

src/Mod/Arch/importIFC.py

@@ -143,48 +143,8 @@ structuralifcobjects = (
     "IfcStructuralPlanarAction"
 )
 
-
-def getPreferences():
-    """Retrieve the IFC preferences available in import and export.
-
-    MERGE_MODE_ARCH:
-        0 = parametric arch objects
-        1 = non-parametric arch objects
-        2 = Part shapes
-        3 = One compound per storey
-    """
-    p = FreeCAD.ParamGet("User parameter:BaseApp/Preferences/Mod/Arch")
-
-    if FreeCAD.GuiUp and p.GetBool("ifcShowDialog", False):
-        Gui.showPreferences("Import-Export", 0)
-
-    preferences = {
-        'DEBUG': p.GetBool("ifcDebug", False),
-        'PREFIX_NUMBERS': p.GetBool("ifcPrefixNumbers", False),
-        'SKIP': p.GetString("ifcSkip", "").split(","),
-        'SEPARATE_OPENINGS': p.GetBool("ifcSeparateOpenings", False),
-        'ROOT_ELEMENT': p.GetString("ifcRootElement", "IfcProduct"),
-        'GET_EXTRUSIONS': p.GetBool("ifcGetExtrusions", False),
-        'MERGE_MATERIALS': p.GetBool("ifcMergeMaterials", False),
-        'MERGE_MODE_ARCH': p.GetInt("ifcImportModeArch", 0),
-        'MERGE_MODE_STRUCT': p.GetInt("ifcImportModeStruct", 1),
-        'CREATE_CLONES': p.GetBool("ifcCreateClones", True),
-        'IMPORT_PROPERTIES': p.GetBool("ifcImportProperties", False),
-        'SPLIT_LAYERS': p.GetBool("ifcSplitLayers", False),  # wall layer, not layer for visual props
-        'FITVIEW_ONIMPORT': p.GetBool("ifcFitViewOnImport", False),
-        'ALLOW_INVALID': p.GetBool("ifcAllowInvalid", False),
-        'REPLACE_PROJECT': p.GetBool("ifcReplaceProject", False),
-        'MULTICORE': p.GetInt("ifcMulticore", 0),
-        'IMPORT_LAYER': p.GetBool("ifcImportLayer", True)
-    }
-
-    if preferences['MERGE_MODE_ARCH'] > 0:
-        preferences['SEPARATE_OPENINGS'] = False
-        preferences['GET_EXTRUSIONS'] = False
-    if not preferences['SEPARATE_OPENINGS']:
-        preferences['SKIP'].append("IfcOpeningElement")
-
-    return preferences
+# backwards compatibility
+getPreferences = importIFCHelper.getPreferences
 
 
 def export(exportList, filename, colors=None, preferences=None):
@@ -255,7 +215,7 @@ def insert(srcfile, docname, skip=[], only=[], root=None, preferences=None):
     starttime = time.time()  # in seconds
 
     if preferences is None:
-        preferences = getPreferences()
+        preferences = importIFCHelper.getPreferences()
 
     if preferences["MULTICORE"] and not hasattr(srcfile, "by_guid"):
         return importIFCmulticore.insert(srcfile, docname, preferences)

src/Mod/Arch/importIFCHelper.py

@@ -80,6 +80,49 @@ def dms2dd(degrees, minutes, seconds, milliseconds=0):
     return dd
 
 
+def getPreferences():
+    """Retrieve the IFC preferences available in import and export.
+
+    MERGE_MODE_ARCH:
+        0 = parametric arch objects
+        1 = non-parametric arch objects
+        2 = Part shapes
+        3 = One compound per storey
+    """
+    p = FreeCAD.ParamGet("User parameter:BaseApp/Preferences/Mod/Arch")
+
+    if FreeCAD.GuiUp and p.GetBool("ifcShowDialog", False):
+        Gui.showPreferences("Import-Export", 0)
+
+    preferences = {
+        'DEBUG': p.GetBool("ifcDebug", False),
+        'PREFIX_NUMBERS': p.GetBool("ifcPrefixNumbers", False),
+        'SKIP': p.GetString("ifcSkip", "").split(","),
+        'SEPARATE_OPENINGS': p.GetBool("ifcSeparateOpenings", False),
+        'ROOT_ELEMENT': p.GetString("ifcRootElement", "IfcProduct"),
+        'GET_EXTRUSIONS': p.GetBool("ifcGetExtrusions", False),
+        'MERGE_MATERIALS': p.GetBool("ifcMergeMaterials", False),
+        'MERGE_MODE_ARCH': p.GetInt("ifcImportModeArch", 0),
+        'MERGE_MODE_STRUCT': p.GetInt("ifcImportModeStruct", 1),
+        'CREATE_CLONES': p.GetBool("ifcCreateClones", True),
+        'IMPORT_PROPERTIES': p.GetBool("ifcImportProperties", False),
+        'SPLIT_LAYERS': p.GetBool("ifcSplitLayers", False),  # wall layer, not layer for visual props
+        'FITVIEW_ONIMPORT': p.GetBool("ifcFitViewOnImport", False),
+        'ALLOW_INVALID': p.GetBool("ifcAllowInvalid", False),
+        'REPLACE_PROJECT': p.GetBool("ifcReplaceProject", False),
+        'MULTICORE': p.GetInt("ifcMulticore", 0),
+        'IMPORT_LAYER': p.GetBool("ifcImportLayer", True)
+    }
+
+    if preferences['MERGE_MODE_ARCH'] > 0:
+        preferences['SEPARATE_OPENINGS'] = False
+        preferences['GET_EXTRUSIONS'] = False
+    if not preferences['SEPARATE_OPENINGS']:
+        preferences['SKIP'].append("IfcOpeningElement")
+
+    return preferences
+
+
 class ProjectImporter:
     """A helper class to create an Arch Project object."""
 

src/Mod/Arch/importIFCmulticore.py

@@ -29,7 +29,6 @@ import os
 import FreeCAD
 import Draft
 import Arch
-import importIFC
 import importIFCHelper
 from FreeCAD import Base
 import ArchIFC
@@ -77,7 +76,7 @@ def insert(filename,docname=None,preferences=None):
 
     # setup ifcopenshell
     if not preferences:
-        preferences = importIFC.getPreferences()
+        preferences = importIFCHelper.getPreferences()
     settings = ifcopenshell.geom.settings()
     settings.set(settings.USE_BREP_DATA,True)
     settings.set(settings.SEW_SHELLS,True)