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Align task taxonomy and IDs with the updated paper; main evaluation 306
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from __future__ import annotations
import json
import math
import os
import re
import subprocess
import tempfile
import textwrap
from dataclasses import dataclass
from pathlib import Path
TARGET = Path(os.environ.get("ENGIWORLD_EVAL_TARGET", "/home/user/Desktop"))
PARTS = ("p1", "p2", "p3")
TOL = 1e-3
WORD_RE = re.compile(
r"([A-Z])\s*([+-]?(?:\d+(?:\.\d*)?|\.\d+)(?:E[+-]?\d+)?)",
re.IGNORECASE,
)
NATIVE_MARKER = "TASK_C03_NATIVE="
@dataclass(frozen=True)
class Move:
block: int
motion: int
start_x: float | None
start_y: float | None
start_z: float | None
end_x: float | None
end_y: float | None
end_z: float | None
feed: float | None
i: float | None
j: float | None
@property
def xy_distance(self) -> float:
if None in (self.start_x, self.start_y, self.end_x, self.end_y):
return 0.0
return math.hypot(self.end_x - self.start_x, self.end_y - self.start_y)
def close(actual: float | None, expected: float, tolerance: float = TOL) -> bool:
return actual is not None and abs(actual - expected) <= tolerance
def strip_comments(text: str) -> str:
output: list[str] = []
depth = 0
for char in text:
if char == "\n":
depth = 0
output.append(char)
elif depth:
if char == "(":
depth += 1
elif char == ")":
depth -= 1
elif char == "(":
depth = 1
elif char == ";":
depth = 1
else:
output.append(char)
return "".join(output)
def parse_words(line: str) -> list[tuple[str, float]] | None:
cleaned = line.strip().upper().replace("%", "")
if not cleaned:
return []
words: list[tuple[str, float]] = []
cursor = 0
for match in WORD_RE.finditer(cleaned):
if cleaned[cursor : match.start()].strip():
return None
try:
value = float(match.group(2))
except ValueError:
return None
if not math.isfinite(value):
return None
words.append((match.group(1), value))
cursor = match.end()
if cleaned[cursor:].strip() or not words:
return None
return words
def sample_move(move: Move, count: int = 48) -> list[tuple[float, float]]:
if None in (move.start_x, move.start_y, move.end_x, move.end_y):
return []
start = (float(move.start_x), float(move.start_y))
end = (float(move.end_x), float(move.end_y))
if move.motion == 1:
sample_count = max(1, int(math.ceil(math.dist(start, end) / 0.5)))
return [
(
start[0] + (end[0] - start[0]) * index / sample_count,
start[1] + (end[1] - start[1]) * index / sample_count,
)
for index in range(sample_count + 1)
]
if move.motion not in (2, 3) or move.i is None or move.j is None:
return []
center_x = start[0] + move.i
center_y = start[1] + move.j
radius = math.hypot(move.i, move.j)
if radius <= TOL or abs(math.hypot(end[0] - center_x, end[1] - center_y) - radius) > max(0.01, radius * 1e-5):
return []
start_angle = math.atan2(start[1] - center_y, start[0] - center_x)
end_angle = math.atan2(end[1] - center_y, end[0] - center_x)
if move.motion == 2:
sweep = (start_angle - end_angle) % (2.0 * math.pi)
if sweep <= 1e-9:
sweep = 2.0 * math.pi
angles = [start_angle - sweep * index / count for index in range(count + 1)]
else:
sweep = (end_angle - start_angle) % (2.0 * math.pi)
if sweep <= 1e-9:
sweep = 2.0 * math.pi
angles = [start_angle + sweep * index / count for index in range(count + 1)]
return [
(center_x + radius * math.cos(angle), center_y + radius * math.sin(angle))
for angle in angles
]
def sample_cutting_xy(move: Move) -> list[tuple[float, float]]:
points = sample_move(move)
if not points or move.start_z is None or move.end_z is None:
return points if move.end_z is not None and move.end_z <= TOL else []
if move.start_z <= TOL and move.end_z <= TOL:
return points
if move.start_z > TOL and move.end_z > TOL:
return []
denominator = max(1, len(points) - 1)
return [
point
for index, point in enumerate(points)
if move.start_z + (move.end_z - move.start_z) * index / denominator <= TOL
]
def point_segment_distance(
point: tuple[float, float],
start: tuple[float, float],
end: tuple[float, float],
) -> float:
dx = end[0] - start[0]
dy = end[1] - start[1]
length_squared = dx * dx + dy * dy
if length_squared <= TOL * TOL:
return math.dist(point, start)
projection = ((point[0] - start[0]) * dx + (point[1] - start[1]) * dy) / length_squared
projection = max(0.0, min(1.0, projection))
closest = (start[0] + projection * dx, start[1] + projection * dy)
return math.dist(point, closest)
def distance_to_part(point: tuple[float, float]) -> float:
dx = max(abs(point[0]) - 60.0, 0.0)
dy = max(abs(point[1]) - 40.0, 0.0)
return math.hypot(dx, dy)
def parse_nc(path: Path) -> dict[str, object] | None:
if not path.is_file() or not 500 <= path.stat().st_size <= 2_000_000:
return None
raw = path.read_text(encoding="utf-8", errors="strict")
if "\x00" in raw:
return None
x = y = z = feed = None
motion: int | None = None
selected_tool: int | None = None
tool_changed = False
spindle_on = False
spindle_speed: float | None = None
metric = absolute = False
active_fixture: float | None = None
active_plane: int | None = None
stopped_after_cut = ended_after_cut = retracted_after_cut = False
length_offset_active = False
length_offset: int | None = None
program_ended = False
last_cut_block = -1
moves: list[Move] = []
cutting_depths: set[float] = set()
for block, line in enumerate(strip_comments(raw).splitlines()):
words = parse_words(line)
if words is None:
return None
if not words:
continue
if program_ended:
return None
values: dict[str, list[float]] = {}
for letter, value in words:
values.setdefault(letter, []).append(value)
if set(values) - set("NGXYZIJFSTHPM"):
return None
if any(len(values.get(letter, [])) > 1 for letter in "XYZIJFSTH"):
return None
motion_codes = [
g
for g in values.get("G", [])
if any(close(g, code) for code in (0.0, 1.0, 2.0, 3.0))
]
if len(motion_codes) > 1:
return None
modal_groups = (
(20.0, 21.0),
(90.0, 91.0),
(90.1, 91.1),
(17.0, 18.0, 19.0),
(40.0, 41.0, 42.0),
(43.0, 49.0),
(54.0, 55.0, 56.0, 57.0, 58.0, 59.0),
(61.0, 61.1, 64.0),
(93.0, 94.0, 95.0),
)
if any(
sum(any(close(g, code) for code in group) for g in values.get("G", [])) > 1
for group in modal_groups
):
return None
has_g43 = any(close(g, 43.0) for g in values.get("G", []))
has_g49 = any(close(g, 49.0) for g in values.get("G", []))
if has_g43 and has_g49:
return None
for g_code in values.get("G", []):
if close(g_code, 20.0):
metric = False
elif close(g_code, 21.0):
metric = True
elif close(g_code, 90.0):
absolute = True
elif close(g_code, 91.0):
absolute = False
elif any(close(g_code, code) for code in (54.0, 55.0, 56.0, 57.0, 58.0, 59.0)):
active_fixture = next(code for code in (54.0, 55.0, 56.0, 57.0, 58.0, 59.0) if close(g_code, code))
elif close(g_code, 17.0):
active_plane = 17
elif any(
close(g_code, code)
for code in (10.0, 28.0, 30.0, 50.0, 51.0, 52.0, 53.0, 68.0, 69.0, 92.0, 92.1, 92.2, 92.3)
):
return None
elif any(close(g_code, code) for code in (0.0, 1.0, 2.0, 3.0)):
motion = int(round(g_code))
elif any(close(g_code, code) for code in (4.0, 40.0, 43.0, 49.0, 61.0, 61.1, 64.0, 80.0, 91.1, 94.0)):
pass
else:
return None
if values.get("T"):
tool_value = values["T"][-1]
if abs(tool_value - round(tool_value)) > TOL:
return None
selected_tool = int(round(tool_value))
if values.get("H"):
if not has_g43:
return None
h_value = values["H"][-1]
if abs(h_value - round(h_value)) > TOL or int(round(h_value)) != 1:
return None
length_offset = int(round(h_value))
if has_g43:
if length_offset != 1:
return None
length_offset_active = True
if has_g49:
length_offset_active = False
length_offset = None
if values.get("S"):
spindle_speed = values["S"][-1]
if values.get("F"):
feed = values["F"][-1]
m_codes = values.get("M", [])
if any(not any(close(code, allowed) for allowed in (0.0, 1.0, 2.0, 3.0, 4.0, 5.0, 6.0, 7.0, 8.0, 9.0, 30.0)) for code in m_codes):
return None
if len({round(code, 6) for code in m_codes}) != len(m_codes):
return None
if sum(any(close(code, value) for value in (3.0, 4.0, 5.0)) for code in m_codes) > 1:
return None
if any(close(code, 6.0) for code in m_codes) and any(close(code, value) for code in m_codes for value in (3.0, 4.0, 5.0)):
return None
if sum(any(close(code, value) for value in (2.0, 30.0)) for code in m_codes) > 1:
return None
if any(close(code, value) for code in m_codes for value in (2.0, 30.0)) and any(
close(code, value) for code in m_codes for value in (3.0, 4.0, 6.0)
):
return None
if sum(any(close(code, value) for value in (7.0, 8.0, 9.0)) for code in m_codes) > 1:
return None
if any(close(code, 5.0) for code in m_codes):
spindle_on = False
if last_cut_block >= 0 and block > last_cut_block:
stopped_after_cut = True
if any(close(code, 6.0) for code in m_codes):
if selected_tool != 1 or spindle_on or length_offset_active:
return None
tool_changed = True
if any(close(code, value) for code in m_codes for value in (3.0, 4.0)):
if not tool_changed or not close(spindle_speed, 7000.0):
return None
if any(close(code, 4.0) for code in m_codes):
return None
spindle_on = True
if any(close(code, value) for code in m_codes for value in (2.0, 30.0)):
if any(axis in values for axis in ("X", "Y", "Z")):
return None
if last_cut_block >= 0 and block > last_cut_block:
ended_after_cut = True
stopped_after_cut = True
spindle_on = False
program_ended = True
if not any(axis in values for axis in ("X", "Y", "Z")):
continue
if motion is None or not metric or not absolute or not close(active_fixture, 54.0):
return None
next_x = values.get("X", [x])[-1]
next_y = values.get("Y", [y])[-1]
next_z = values.get("Z", [z])[-1]
move = Move(
block,
motion,
x,
y,
z,
next_x,
next_y,
next_z,
feed,
values.get("I", [0.0])[-1] if motion in (2, 3) else values.get("I", [None])[-1],
values.get("J", [0.0])[-1] if motion in (2, 3) else values.get("J", [None])[-1],
)
has_xy_word = "X" in values or "Y" in values
moved_xy = has_xy_word and (
move.start_x is None
or move.start_y is None
or move.end_x is None
or move.end_y is None
or move.xy_distance > TOL
or motion in (2, 3)
)
moved_z = (
move.start_z is not None
and move.end_z is not None
and abs(move.end_z - move.start_z) > TOL
)
if motion in (2, 3):
if active_plane != 17 or not ("I" in values or "J" in values) or len(sample_move(move)) < 2:
return None
elif "I" in values or "J" in values:
return None
if motion == 0:
if moved_xy and (
move.start_z is None
or move.start_z <= TOL
or move.end_z is None
or move.end_z <= TOL
):
return None
if moved_z and move.end_z is not None and move.end_z <= TOL:
return None
intersects_material_z = (
move.end_z is not None
and (move.end_z <= TOL or move.start_z is not None and move.start_z <= TOL)
)
is_cut = motion in (1, 2, 3) and intersects_material_z and (moved_xy or moved_z)
if is_cut:
if not (
tool_changed
and spindle_on
and close(spindle_speed, 7000.0)
and close(active_fixture, 54.0)
):
return None
if move.end_z < -18.0 - TOL:
return None
if moved_xy:
if not close(feed, 500.0):
return None
cutting_depths.add(round(float(move.end_z), 6))
last_cut_block = block
retracted_after_cut = False
if last_cut_block >= 0 and block > last_cut_block and motion == 0 and move.end_z is not None and move.end_z > TOL:
retracted_after_cut = True
moves.append(move)
x, y, z = next_x, next_y, next_z
if not (
metric
and absolute
and close(active_fixture, 54.0)
and active_plane == 17
and tool_changed
and program_ended
):
return None
if not (last_cut_block >= 0 and stopped_after_cut and ended_after_cut and retracted_after_cut):
return None
if not any(close(depth, -18.0) for depth in cutting_depths):
return None
return {"moves": moves, "depths": sorted(cutting_depths, reverse=True)}
def native_check(paths: dict[str, Path]) -> dict[str, float] | None:
if any(not path.is_file() or not 1_000 <= path.stat().st_size <= 20_000_000 for path in paths.values()):
return None
checker = textwrap.dedent(
f"""
import json
import math
import FreeCAD as App
FILES = {dict((name, str(path)) for name, path in paths.items())!r}
MARKER = {NATIVE_MARKER!r}
EXPECTED_BOX = [-60.0, 60.0, -40.0, 40.0, -18.0, 0.0]
SOURCE_BOX = [-60.0, 60.0, -40.0, 40.0, 0.0, 18.0]
result = {{"ok": False}}
opened = []
def near(value, expected, tolerance=1e-5):
return abs(float(value) - expected) <= tolerance
def box(shape):
bounds = shape.BoundBox
return [bounds.XMin, bounds.XMax, bounds.YMin, bounds.YMax, bounds.ZMin, bounds.ZMax]
def check_box(shape, expected, label):
if shape.isNull() or not shape.isValid() or len(shape.Solids) != 1:
raise RuntimeError(label + " is not one valid solid")
if any(not near(a, b) for a, b in zip(box(shape), expected)):
raise RuntimeError(label + " bounds are wrong")
try:
if tuple(App.Version()[:3]) != ("0", "21", "2"):
raise RuntimeError("wrong FreeCAD version")
diameters = {{}}
for part in sorted(FILES):
doc = App.openDocument(FILES[part])
if doc is None:
raise RuntimeError(part + " document did not open")
opened.append(doc)
doc.recompute()
jobs = [
obj for obj in doc.Objects
if type(getattr(obj, "Proxy", None)).__module__ == "Path.Main.Job"
and type(getattr(obj, "Proxy", None)).__name__ == "ObjectJob"
]
if len(jobs) != 1:
raise RuntimeError(part + " does not contain one native Job")
job = jobs[0]
identity = getattr(job, "PartIdentity", None)
if identity is not None and str(identity) != part + ".step":
raise RuntimeError(part + " Job identity references a different source part")
operations = list(job.Operations.Group)
controllers = list(job.Tools.Group)
models = list(job.Model.Group)
if len(operations) != 1 or len(controllers) != 1 or len(models) != 1:
raise RuntimeError(part + " Job group cardinality is wrong")
operation = operations[0]
if type(getattr(operation, "Proxy", None)).__module__ != "Path.Op.Profile":
raise RuntimeError(part + " operation is not Profile")
if type(operation.Proxy).__name__ != "ObjectProfile" or not bool(operation.Active):
raise RuntimeError(part + " Profile is inactive or invalid")
if len(operation.Base) != 0:
raise RuntimeError(part + " Profile is not based on the whole model")
if str(operation.Side) != "Outside" or not bool(operation.UseComp):
raise RuntimeError(part + " Profile is not outside compensated")
if not bool(operation.processPerimeter):
raise RuntimeError(part + " Profile does not process the perimeter")
if not near(operation.StartDepth.Value, 0.0) or not near(operation.FinalDepth.Value, -18.0):
raise RuntimeError(part + " Profile depths are wrong")
if not (0.0 < operation.StepDown.Value <= 18.0):
raise RuntimeError(part + " Profile StepDown is invalid")
if operation.SafeHeight.Value <= 0.0 or operation.ClearanceHeight.Value <= 0.0:
raise RuntimeError(part + " Profile heights are unsafe")
model = models[0]
check_box(model.Shape, EXPECTED_BOX, part + " Job model")
check_box(job.Stock.Shape, EXPECTED_BOX, part + " Job stock")
if not (
near(model.Placement.Base.x, 0.0)
and near(model.Placement.Base.y, 0.0)
and near(model.Placement.Base.z, -18.0)
):
raise RuntimeError(part + " Job origin is not the source top-face center")
source_models = list(job.Proxy.baseObjects(job))
if len(source_models) != 1:
raise RuntimeError(part + " does not reference one source part")
source_label = " ".join(
str(getattr(source_models[0], name, ""))
for name in ("Label", "Label2")
).lower()
declared_parts = [name for name in ("p1", "p2", "p3") if name + ".step" in source_label]
if declared_parts and part not in declared_parts:
raise RuntimeError(part + " source label references a different part")
check_box(source_models[0].Shape, SOURCE_BOX, part + " source part")
for prop in ("ExtXneg", "ExtXpos", "ExtYneg", "ExtYpos", "ExtZneg", "ExtZpos"):
if not near(getattr(job.Stock, prop).Value, 0.0):
raise RuntimeError(part + " stock extension is nonzero")
if str(job.PostProcessor).lower() != "linuxcnc" or list(job.Fixtures) != ["G54"]:
raise RuntimeError(part + " postprocessor or fixture is wrong")
controller = controllers[0]
if operation.ToolController is not controller or int(controller.ToolNumber) != 1:
raise RuntimeError(part + " uses the wrong ToolController")
if not near(controller.SpindleSpeed, 7000.0) or str(controller.SpindleDir) != "Forward":
raise RuntimeError(part + " spindle configuration is wrong")
if not near(controller.HorizFeed.Value, 500.0 / 60.0):
raise RuntimeError(part + " horizontal feed is not 500 mm/min")
tool = controller.Tool
shape_name = str(getattr(tool, "ShapeName", "")).lower().replace("_", "").replace("-", "").replace(" ", "")
descriptor = " ".join(
str(value) for value in (
getattr(tool, "Label", ""),
getattr(tool, "ToolType", ""),
getattr(tool, "ShapeName", ""),
)
).lower().replace("_", " ").replace("-", " ")
normalized_descriptor = descriptor.replace(" ", "")
standard_flat_shape = shape_name.rsplit("/", 1)[-1].rsplit("\\\\", 1)[-1].split(".", 1)[0] == "endmill"
if "endmill" not in normalized_descriptor or ("flat" not in descriptor and not standard_flat_shape):
raise RuntimeError(part + " T1 is not a flat end mill")
diameter = float(tool.Diameter.Value)
if not math.isfinite(diameter) or not (1.0 <= diameter <= 40.0):
raise RuntimeError(part + " tool diameter is unreasonable")
cutting_edge = getattr(tool, "CuttingEdgeHeight", None)
if cutting_edge is None or float(cutting_edge.Value) < 18.0 - 1e-5:
raise RuntimeError(part + " tool cutting edge is too short")
commands = list(operation.Path.Commands)
if len(commands) < 10:
raise RuntimeError(part + " Profile path is empty or trivial")
depths = [
float(command.Parameters["Z"])
for command in commands
if command.Name in ("G1", "G2", "G3", "G01", "G02", "G03")
and "Z" in command.Parameters
]
if not depths or not near(min(depths), -18.0, 1e-3) or min(depths) < -18.001:
raise RuntimeError(part + " native Profile path misses or exceeds bottom")
diameters[part] = diameter
App.closeDocument(doc.Name)
opened.pop()
values = list(diameters.values())
if not values or any(not near(value, values[0]) for value in values[1:]):
raise RuntimeError("T1 diameter is not reused across all three Jobs")
result = {{"ok": True, "diameters": diameters}}
except Exception as exc:
result = {{"ok": False, "error": str(exc)}}
finally:
for doc in opened:
try:
App.closeDocument(doc.Name)
except Exception:
pass
print(MARKER + json.dumps(result, sort_keys=True))
"""
)
try:
with tempfile.TemporaryDirectory(prefix="task_c03_eval_") as temp_dir:
script = Path(temp_dir) / "check_native.py"
script.write_text(checker, encoding="utf-8")
completed = subprocess.run(
["/usr/bin/freecadcmd", str(script)],
stdout=subprocess.PIPE,
stderr=subprocess.STDOUT,
text=True,
timeout=180,
check=False,
)
except (OSError, subprocess.SubprocessError):
return None
if completed.returncode != 0:
return None
reports = [line[len(NATIVE_MARKER) :] for line in completed.stdout.splitlines() if line.startswith(NATIVE_MARKER)]
if len(reports) != 1:
return None
try:
report = json.loads(reports[0])
except (TypeError, json.JSONDecodeError):
return None
if not isinstance(report, dict) or report.get("ok") is not True:
return None
diameters = report.get("diameters")
if not isinstance(diameters, dict) or set(diameters) != set(PARTS):
return None
if any(not isinstance(value, (int, float)) for value in diameters.values()):
return None
return {name: float(diameters[name]) for name in PARTS}
def profile_coverage_ok(moves: list[Move], tool_diameter: float) -> bool:
radius = tool_diameter / 2.0
cutting_moves = [
move
for move in moves
if move.motion in (1, 2, 3)
and move.end_z is not None
and (move.end_z <= TOL or move.start_z is not None and move.start_z <= TOL)
and (move.xy_distance > TOL or move.motion in (2, 3))
]
all_points = [point for move in cutting_moves for point in sample_cutting_xy(move)]
if not all_points:
return False
if any(distance_to_part(point) < radius - 0.1 for point in all_points):
return False
final_moves = [
move for move in cutting_moves
if close(move.start_z, -18.0) and close(move.end_z, -18.0)
]
segments: list[tuple[tuple[float, float], tuple[float, float]]] = []
for move in final_moves:
samples = sample_move(move)
segments.extend(zip(samples, samples[1:]))
if not segments:
return False
boundary_points = []
for x in range(-60, 61):
boundary_points.extend(((float(x), -40.0), (float(x), 40.0)))
for y in range(-39, 40):
boundary_points.extend(((-60.0, float(y)), (60.0, float(y))))
if any(
min(point_segment_distance(point, start, end) for start, end in segments) > radius + 0.1
for point in boundary_points
):
return False
travel = sum(
sum(math.dist(first, second) for first, second in zip(samples, samples[1:]))
for move in final_moves
if len(samples := sample_move(move)) >= 2
)
return travel >= 0.9 * (2.0 * (120.0 + 80.0))
def main() -> bool:
fcstd_paths = {name: TARGET / (name + ".FCStd") for name in PARTS}
diameters = native_check(fcstd_paths)
if diameters is None:
return False
for part in PARTS:
parsed = parse_nc(TARGET / (part + ".nc"))
if parsed is None:
return False
moves = parsed.get("moves")
if not isinstance(moves, list) or not profile_coverage_ok(moves, diameters[part]):
return False
return True
if __name__ == "__main__":
try:
result = main()
except Exception:
result = False
print(True if result else False)