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import math
import os
from pathlib import Path
import ezdxf
OUTPUT_ROOT = Path(os.environ.get("OUTPUT_ROOT", "/home/user/Desktop"))
GUI_BYPASS_FORBIDDEN_EXTENSIONS = {
".py", ".pyw", ".ipynb", ".sh", ".bash", ".zsh", ".bat", ".cmd",
".ps1", ".psm1", ".psd1", ".vbs", ".js", ".mjs", ".ts", ".rb",
".lua", ".tcl", ".ahk", ".scr",
}
GUI_BYPASS_ALLOWED_FILENAMES = {"eval.py"}
GUI_BYPASS_OUTPUT_TOKENS = (
"result.ifc", "result.pdf", "result.osm", "workflow.osw", "summary.txt",
"report.csv", "result.csv",
".dxf", ".dwg", ".step", ".stp", ".fcstd", ".scad", ".stl", ".obj",
".db", ".rst", ".rth", ".wbpj", ".odb", ".cae", ".inp",
".nc", ".gcode", ".slb", ".ipt", ".sldprt", ".sldasm",
"autocad_result", "apdl_", "wb_",
)
GUI_BYPASS_COMMAND_TOKENS = (
"python", "python3", "py ", "powershell", "pwsh", "cmd.exe", "cmd /c",
"bash", " sh ", "zsh", "node", "ruby", "perl",
"ifcopenshell", "openstudio", "energyplus",
"blender --background", "revitbatchprocessor",
"ansys", "mapdl", "fluent", "abaqus", "cae noGUI",
"freecad", "freecadcmd", "openscad", "librecad",
"ezdxf", "cadquery", "accoreconsole", "autolisp",
"solidworks", "solvespace",
)
def _read_text_safe(path):
try:
return path.read_text(encoding="utf-8", errors="ignore")
except Exception:
return ""
def _desktop_script_artifacts(root):
if not root.exists() or not root.is_dir():
return True
try:
candidates = list(root.iterdir())
for directory in list(candidates):
if directory.is_dir() and directory.name not in {"__pycache__", "_runtime"}:
try:
candidates.extend(directory.iterdir())
except Exception:
pass
for path in candidates:
if not path.is_file():
continue
if path.name in GUI_BYPASS_ALLOWED_FILENAMES:
continue
if path.suffix.lower() in GUI_BYPASS_FORBIDDEN_EXTENSIONS:
return True
except Exception:
return True
return False
def _history_paths(root):
home = Path.home()
return [
home / ".bash_history",
home / ".zsh_history",
home / ".python_history",
home / ".local/share/fish/fish_history",
home / "AppData/Roaming/Microsoft/Windows/PowerShell/PSReadLine/ConsoleHost_history.txt",
home / "AppData/Roaming/Microsoft/Windows/PowerShell/PSReadLine/Visual Studio Code Host_history.txt",
root / ".bash_history",
root / ".zsh_history",
]
def _history_contains_bypass(root):
for path in _history_paths(root):
if not path.is_file():
continue
text = _read_text_safe(path).lower()
if not text:
continue
for raw_line in text.splitlines():
line = raw_line.strip()
if not line or "eval.py" in line:
continue
touches_output = any(token in line for token in GUI_BYPASS_OUTPUT_TOKENS)
runs_command = any(token in line for token in GUI_BYPASS_COMMAND_TOKENS)
writes_file = any(
token in line for token in (">", "tee ", "cat ", "set-content", "out-file", "new-item")
)
if touches_output and (runs_command or writes_file):
return True
if ("/desktop/" in line or "\\desktop\\" in line) and any(
ext in line for ext in GUI_BYPASS_FORBIDDEN_EXTENSIONS
) and runs_command:
return True
return False
def check_no_gui_bypass(root):
root = Path(root)
if _desktop_script_artifacts(root):
return False
if _history_contains_bypass(root):
return False
return True
TARGET = "final_ss_gui_06.dxf"
TOL = 0.75
def _close(a, b, tol=TOL):
return abs(float(a) - float(b)) <= tol
def _point_close(a, b, tol=TOL):
return _close(a[0], b[0], tol) and _close(a[1], b[1], tol)
def _dist(a, b):
return math.hypot(float(a[0]) - float(b[0]), float(a[1]) - float(b[1]))
def _dedupe(points):
unique = []
for point in points:
if not any(_point_close(point, prev) for prev in unique):
unique.append(point)
return unique
def _segment_points(doc):
points = []
for entity in doc.modelspace():
if entity.dxftype() == "LINE":
start, end = entity.dxf.start, entity.dxf.end
points.extend([(float(start.x), float(start.y)), (float(end.x), float(end.y))])
elif entity.dxftype() == "LWPOLYLINE":
points.extend((float(p[0]), float(p[1])) for p in entity.get_points("xy"))
return _dedupe(points)
def _outline_segments(doc):
segments = []
for entity in doc.modelspace():
if entity.dxftype() == "LINE":
start, end = entity.dxf.start, entity.dxf.end
segments.append(((float(start.x), float(start.y)), (float(end.x), float(end.y))))
elif entity.dxftype() == "LWPOLYLINE":
points = [(float(p[0]), float(p[1])) for p in entity.get_points("xy")]
segments.extend(zip(points, points[1:]))
if entity.closed and len(points) > 2:
segments.append((points[-1], points[0]))
return segments
def _edge_present(segments, start, end, tol=0.15):
return any(
(_point_close(a, start, tol) and _point_close(b, end, tol))
or (_point_close(a, end, tol) and _point_close(b, start, tol))
for a, b in segments
)
def _hex_edges_present(doc, points, center):
ordered = sorted(points, key=lambda p: math.atan2(p[1] - center[1], p[0] - center[0]))
segments = _outline_segments(doc)
return all(
_edge_present(segments, ordered[index], ordered[(index + 1) % 6])
for index in range(6)
)
def _regular_hex_center(points):
if len(points) != 6:
return None
center = (sum(p[0] for p in points) / 6, sum(p[1] for p in points) / 6)
expected_top_y = 40 * math.sin(math.radians(60))
if not all(_close(_dist(p, center), 40, 1.0) for p in points):
return None
rel = sorted((round(p[0] - center[0], 2), round(p[1] - center[1], 2)) for p in points)
has_left_right = any(_point_close((dx, dy), (-40, 0), 1.0) for dx, dy in rel) and any(_point_close((dx, dy), (40, 0), 1.0) for dx, dy in rel)
has_top = sum(1 for dx, dy in rel if _close(dy, expected_top_y, 1.0)) == 2
has_bottom = sum(1 for dx, dy in rel if _close(dy, -expected_top_y, 1.0)) == 2
if has_left_right and has_top and has_bottom:
return center
return None
def _hex_center(doc):
for entity in doc.modelspace():
if entity.dxftype() != "LWPOLYLINE":
continue
pts = _dedupe([(float(p[0]), float(p[1])) for p in entity.get_points("xy")])
center = _regular_hex_center(pts)
if center is not None and _hex_edges_present(doc, pts, center):
return center
points = _segment_points(doc)
for candidate in itertools.combinations(points, 6):
center = _regular_hex_center(candidate)
if center is not None and _hex_edges_present(doc, candidate, center):
return center
return None
def _has_circle(doc, center, radius):
for entity in doc.modelspace():
if entity.dxftype() != "CIRCLE":
continue
c = entity.dxf.center
if _point_close((c.x, c.y), center) and _close(entity.dxf.radius, radius):
return True
return False
def evaluate():
if not check_no_gui_bypass(Path(os.environ.get("OUTPUT_ROOT", "/home/user/Desktop"))):
return False
path = OUTPUT_ROOT / TARGET
if not path.exists() or path.stat().st_size <= 0:
return False
doc = ezdxf.readfile(path)
if int(doc.header.get("$INSUNITS", 0)) != 4:
return False
center = _hex_center(doc)
if center is None:
return False
return (
_has_circle(doc, center, 10)
and _has_circle(doc, (center[0] - 28, center[1]), 3)
and _has_circle(doc, (center[0] + 28, center[1]), 3)
and all(
_has_circle(
doc,
(
center[0] + 25 * math.cos(math.radians(angle)),
center[1] + 25 * math.sin(math.radians(angle)),
),
2,
)
for angle in [0, 60, 120, 180, 240, 300]
)
)
if __name__ == "__main__":
try:
if not check_no_gui_bypass(OUTPUT_ROOT):
ok = False
else:
ok = evaluate()
except Exception:
ok = False
print("True" if ok else "False")
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