FreeCAD workbench to create assembly handbooks
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import FreeCADGui as Gui
import FreeCAD as App
import re
_object_reference_re = re.compile("^(.*?_)?((CHO|ELE|ROU|TSM|QIN|ACC|DIV|TXT|FRN|T|M|L|R)[0-9]+)(_[0-9]*)?$")
_object_reference_clean_re = re.compile("^(.*?)(_st[0-9]+)?$")
_bad_reference_re = re.compile("^[0-9]*$")
_has_number_re = re.compile("_[0-9]+$")
class AHB_ParseStep:
def GetResources(self):
return {"MenuText": "[dev] parse STEP",
"ToolTip": "Reload informations from the original STEP file",
"Pixmap": ""
}
def IsActive(self):
return True
def Activated(self):
import step_parser
import os
import importlib
importlib.reload(step_parser)
print("Reloading STEP file metadata...")
doc = App.activeDocument()
filename: str = doc.FileName
if filename is None:
raise BaseException("You must save your FreeCAD document before parsing the corresponding STEP file")
filename = os.path.splitext(filename)[0] + ".step"
step_info = step_parser.parse(filename)
objects = doc.Objects
override_names = False
feature_idx = 0
total_features = 0
obj: App.DocumentObject
for obj in objects:
if obj.TypeId == 'Part::Feature':
if "Base_OriginalLabel" in obj.PropertiesList:
obj.Label = obj.Base_OriginalLabel
total_features = total_features + 1
object_idx = -1
if override_names:
object_idx = feature_idx + 1
else:
fixed_name = step_parser.process_name(obj.Label)[0]
for idx in range(len(step_info.objects)):
if step_info.objects[idx].name == fixed_name:
object_idx = idx
break
if 0 <= object_idx < len(step_info.objects):
object_info = step_info.objects[object_idx]
print("phase 1 " + obj.Label + " => " + object_info.name)
obj.Label = object_info.name
if object_info.layer is not None:
if "Base_Reference" not in obj.PropertiesList:
obj.addProperty("App::PropertyString", "Base_Reference", "Base")
obj.Base_Reference = object_info.layer.reference
if "Base_Layer" not in obj.PropertiesList:
obj.addProperty("App::PropertyString", "Base_Layer", "Base")
obj.Base_Layer = object_info.layer.name
feature_idx = feature_idx + 1
step_info2 = step_parser.parse(filename, 'SOLIDS')
print("STEP names phase 2 (" + str(len(step_info2.objects)) + ")")
feature_idx = 0
# don't know why, but these objects are not ordered like the others
special_objects = {
'10_01_003 F_st7758_1': 'COMPOUND005', # manivelle droite
'Batterie': 'COMPOUND058', # batterie basse
'Batterie_1': 'COMPOUND059', # batterie haute
'Axa compactline 35-E 6v-12v dc': 'COMPOUND1272', # phare droit
'Axa compactline 35-E 6v-12v dc_1': 'COMPOUND1273', # phare gauche
'Potence_CHO44': 'COMPOUND732', # potence
'CHO04': 'COMPOUND1290', # guidon
'CHO40': 'COMPOUND1291', # garde-boue droit
'CHO41': 'COMPOUND1292', # garde-boue gauche
'Pochette laterale': 'COMPOUND1294', # pochette gauche
'Pochette laterale_1': 'COMPOUND1293', # pochette droite
}
object_idx = -1
for obj in objects:
if obj.TypeId == 'Part::Feature':
if object_idx >= 0:
object_idx = object_idx + 1
explicit_object_idx = -1
for s in special_objects.items():
if obj.Label == s[1]:
for idx, info in enumerate(step_info2.objects):
if info.name == s[0]:
explicit_object_idx = idx
if explicit_object_idx >= 0:
object_idx = explicit_object_idx
else:
while True:
if object_idx < 0 or object_idx >= len(step_info2.objects):
break
object_info = step_info2.objects[object_idx]
skip = False
for s in special_objects.items():
if s[0] == object_info.name:
skip = True
if skip:
object_idx = object_idx + 1
else:
break
if 0 <= object_idx < len(step_info2.objects):
object_info = step_info2.objects[object_idx]
if obj.Label.startswith("COMPOUND"):
print("phase 2 " + obj.Label + " => " + object_info.name + " (ref="+object_info.layer.reference+", layer="+object_info.layer.name+")")
if "Base_OriginalLabel" not in obj.PropertiesList:
obj.addProperty("App::PropertyString", "Base_OriginalLabel", "Base")
obj.Base_OriginalLabel = obj.Label
final_ref = self.parse_vhelio_reference(object_info.name)
if object_info.layer is not None:
if final_ref is None:
final_ref = self.parse_vhelio_reference(step_parser.process_name(object_info.layer.reference)[1])
if final_ref is None:
final_ref = step_parser.process_name(object_info.layer.reference)[1]
if object_info.name != final_ref and not object_info.name.startswith(final_ref + "_"):
final_ref = None
if final_ref is None:
final_ref = step_parser.process_name(object_info.name)[1]
final_ref = _object_reference_clean_re.search(final_ref).group(1)
if _bad_reference_re.search(final_ref) is not None:
final_ref = "inconnu"
if object_info.layer is not None and _bad_reference_re.search(object_info.layer.reference) is None:
final_ref = object_info.layer.reference
if object_info.name == final_ref or object_info.name.startswith(final_ref + "_"):
new_label = object_info.layer.reference + "_" + final_ref
else:
if _bad_reference_re.search(object_info.name) is None or final_ref == "inconnu":
new_label = object_info.name
else:
new_label = final_ref
if _has_number_re.search(new_label) is None:
new_label = new_label + "_01"
obj.Label = new_label
if "Base_Reference" not in obj.PropertiesList:
obj.addProperty("App::PropertyString", "Base_Reference", "Base")
obj.Base_Reference = final_ref
if "Base_Layer" not in obj.PropertiesList:
obj.addProperty("App::PropertyString", "Base_Layer", "Base")
if object_info.layer is None:
obj.Base_Layer = ""
else:
obj.Base_Layer = object_info.layer.name
feature_idx = feature_idx + 1
print("STEP names import finished")
def parse_vhelio_reference(self, str):
object_reference_match = _object_reference_re.search(str)
if object_reference_match is not None:
return object_reference_match.group(2)
return None
from ahb_command import AHB_CommandWrapper
AHB_CommandWrapper.addGuiCommand('AHB_parse_step', AHB_ParseStep())