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Web_FreeCAD_Bitbybit/scripts/freecad-property-acceleration-roundtrip.py
wangdequan d11566403d
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feat: close ordered pairs and property codec batches
2026-08-17 04:58:46 -04:00

117 lines
4.2 KiB
Python

import hashlib
import json
import os
import xml.etree.ElementTree as ET
import FreeCAD as App
import Robot
FREECAD_COMMIT = "0108fd4b4850cc46e625b60e53cea7a7bbe69f8d"
def trajectory_snapshot(obj):
content = obj.Trajectory.Content
root = ET.fromstring(content)
waypoints = [
{
"name": node.attrib["name"],
"type": node.attrib["type"],
"position": [round(float(node.attrib[key]), 9) for key in ("Px", "Py", "Pz")],
"velocity": round(float(node.attrib["vel"]), 9),
"acceleration": round(float(node.attrib["acc"]), 9),
}
for node in root.findall("Waypoint")
]
return {
"contentSha256": hashlib.sha256(content.encode("utf-8")).hexdigest(),
"waypointCount": len(waypoints),
"length": round(float(obj.Trajectory.Length), 9),
"duration": round(float(obj.Trajectory.Duration), 9),
"waypoints": waypoints,
}
def object_snapshot(document):
obj = document.getObject("AccelerationProbe")
source = document.getObject("SourceTrajectory")
return {
"objectSet": [{"name": item.Name, "typeId": item.TypeId} for item in document.Objects],
"object": {
"name": obj.Name,
"typeId": obj.TypeId,
"propertyTypeId": obj.getTypeIdOfProperty("Acceleration"),
"value": {"raw": str(obj.Acceleration), "numeric": round(float(obj.Acceleration.Value), 9), "unit": str(obj.Acceleration.Unit)},
"propertyStatus": [str(item) for item in obj.getPropertyStatus("Acceleration")],
"editorMode": [str(item) for item in obj.getEditorMode("Acceleration")],
"source": {"name": obj.Source.Name, "typeId": obj.Source.TypeId},
"useAcceleration": bool(obj.UseAcceleration),
"state": [str(item) for item in obj.State],
"statusString": str(obj.getStatusString()),
"trajectory": trajectory_snapshot(obj),
},
"sourceTrajectory": trajectory_snapshot(source),
}
def create_native(path):
document = App.newDocument("PropertyAccelerationRoundtrip")
try:
source = document.addObject("Robot::TrajectoryObject", "SourceTrajectory")
trajectory = source.Trajectory
trajectory = trajectory.insertWaypoints(App.Placement(App.Vector(1.0, 2.0, 3.0), App.Rotation()))
trajectory = trajectory.insertWaypoints(App.Placement(App.Vector(4.0, 6.0, 3.0), App.Rotation()))
source.Trajectory = trajectory
obj = document.addObject("Robot::TrajectoryDressUpObject", "AccelerationProbe")
obj.Source = source
obj.UseAcceleration = True
obj.Acceleration = "1000 mm/s^2"
document.recompute()
document.saveAs(path)
finally:
App.closeDocument(document.Name)
reopened = App.openDocument(path)
try:
reopened.recompute()
return object_snapshot(reopened)
finally:
App.closeDocument(reopened.Name)
def verify_native(path, resaved_path):
document = App.openDocument(path)
try:
document.recompute()
reopened = object_snapshot(document)
document.saveAs(resaved_path)
finally:
App.closeDocument(document.Name)
resaved_document = App.openDocument(resaved_path)
try:
resaved_document.recompute()
resaved = object_snapshot(resaved_document)
finally:
App.closeDocument(resaved_document.Name)
return {"reopened": reopened, "resaved": resaved}
mode = os.environ.get("FREECAD_PROPERTY_ACCELERATION_ROUNDTRIP_MODE", "")
path = os.environ.get("FREECAD_PROPERTY_ACCELERATION_ROUNDTRIP_PATH", "")
resaved_path = os.environ.get("FREECAD_PROPERTY_ACCELERATION_ROUNDTRIP_RESAVED_PATH", "")
if mode == "create":
result = create_native(path)
elif mode == "verify":
result = verify_native(path, resaved_path)
else:
raise RuntimeError("FREECAD_PROPERTY_ACCELERATION_ROUNDTRIP_MODE must be create or verify")
print("FREECAD_PROPERTY_ACCELERATION_ROUNDTRIP_RESULT=" + json.dumps({
"schemaVersion": 1,
"status": "pass",
"baselineId": "freecad-1.1.1-property-acceleration-roundtrip",
"freecadVersion": ".".join(str(value) for value in App.Version()[:3]),
"gitCommit": FREECAD_COMMIT,
"mode": mode,
"result": result,
}, sort_keys=True))