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import json
import math
import os
import re
import sys
from collections import Counter
from pathlib import Path
DESKTOP = Path("/home/user/Desktop")
HERE = Path(__file__).resolve().parent
TASK_ID = "kicad-7"
SLOTS = [
("A1", "A.kicad_pcb", (10.0, 10.0), ""),
("A2", "A.kicad_pcb", (53.0, 10.0), "_2"),
("B1", "B.kicad_pcb", (10.0, 60.0), ""),
("B2", "B.kicad_pcb", (53.0, 60.0), "_2"),
("B3", "B.kicad_pcb", (96.0, 10.0), "_3"),
("B4", "B.kicad_pcb", (96.0, 60.0), "_4"),
]
EXPECTED_RECTS = [
(0.0, 0.0, 146.0, 110.0),
(10.0, 10.0, 50.0, 50.0),
(53.0, 10.0, 93.0, 50.0),
(10.0, 60.0, 50.0, 100.0),
(53.0, 60.0, 93.0, 100.0),
(96.0, 10.0, 136.0, 50.0),
(96.0, 60.0, 136.0, 100.0),
]
EXPECTED_VSCORE = {
((50.0, 10.0), (50.0, 100.0)),
((93.0, 10.0), (93.0, 100.0)),
((10.0, 55.0), (136.0, 55.0)),
}
EXPECTED_LABELS = {
"A1": (30.0, 30.0), "A2": (73.0, 30.0),
"B1": (30.0, 80.0), "B2": (73.0, 80.0),
"B3": (116.0, 30.0), "B4": (116.0, 80.0),
}
EXPECTED_FID = {"FID1": (5.0, 5.0), "FID2": (141.0, 5.0), "FID3": (5.0, 105.0)}
EXPECTED_TOOL = {"TOOL1": (5.0, 55.0), "TOOL2": (141.0, 55.0),
"TOOL3": (73.0, 5.0), "TOOL4": (73.0, 105.0)}
TOKEN_RE = re.compile(r'"(?:\\.|[^"\\])*"|[()]|[^\s()]+')
def parse_sexp(text: str):
stack = []
root = None
for token in TOKEN_RE.findall(text):
if token == "(":
node = []
if stack:
stack[-1].append(node)
stack.append(node)
elif token == ")":
if not stack:
raise ValueError("unbalanced closing parenthesis")
root = stack.pop()
else:
if not stack:
raise ValueError("atom outside list")
stack[-1].append(json.loads(token) if token.startswith('"') else token)
if stack or not isinstance(root, list):
raise ValueError("unbalanced s-expression")
return root
def direct(node, tag):
return [child for child in node if isinstance(child, list) and child and child[0] == tag]
def first(node, tag):
items = direct(node, tag)
return items[0] if items else None
def number(value):
return round(float(value), 6)
def point(node):
return (number(node[1]), number(node[2]))
def norm_edge(a, b):
return tuple(sorted((a, b)))
def expand_rect(rect):
start, end = first(rect, "start"), first(rect, "end")
if not start or not end:
return []
x1, y1 = point(start)
x2, y2 = point(end)
corners = [(x1, y1), (x2, y1), (x2, y2), (x1, y2)]
return [norm_edge(corners[i], corners[(i + 1) % 4]) for i in range(4)]
def edges_on_layer(board, layer_name):
edges = []
for line in direct(board, "gr_line"):
layer = first(line, "layer")
start, end = first(line, "start"), first(line, "end")
if layer and layer[1] == layer_name and start and end:
edges.append(norm_edge(point(start), point(end)))
for rect in direct(board, "gr_rect"):
layer = first(rect, "layer")
if layer and layer[1] == layer_name:
edges.extend(expand_rect(rect))
return Counter(edges)
def expected_rectangle_edges():
edges = []
for x1, y1, x2, y2 in EXPECTED_RECTS:
corners = [(x1, y1), (x2, y1), (x2, y2), (x1, y2)]
edges.extend(norm_edge(corners[i], corners[(i + 1) % 4]) for i in range(4))
return Counter(edges)
def property_value(footprint, name):
for prop in direct(footprint, "property"):
if len(prop) >= 3 and prop[1] == name:
return str(prop[2])
return ""
def footprint_info(footprint):
at = first(footprint, "at")
pads = []
for pad in direct(footprint, "pad"):
pad_at, size, layers, net = first(pad, "at"), first(pad, "size"), first(pad, "layers"), first(pad, "net")
pads.append((
str(pad[1]), str(pad[2]), str(pad[3]),
tuple(number(v) for v in pad_at[1:]) if pad_at else (),
tuple(number(v) for v in size[1:]) if size else (),
tuple(str(v) for v in layers[1:]) if layers else (),
str(net[2]) if net and len(net) >= 3 else "",
))
layer = first(footprint, "layer")
return {
"library": str(footprint[1]) if len(footprint) >= 2 else "",
"layer": str(layer[1]) if layer and len(layer) >= 2 else "",
"at": point(at) if at else (0.0, 0.0),
"reference": property_value(footprint, "Reference"),
"value": property_value(footprint, "Value"),
"pads": Counter(pads),
"node": footprint,
}
def source_path(name, output_path):
beside_output = output_path.parent / name
return beside_output if beside_output.exists() else HERE / "init_file" / name
def expected_copies(output_path):
parsed_sources = {}
result = {}
for _, filename, origin, suffix in SLOTS:
if filename not in parsed_sources:
source_board = parse_sexp(source_path(filename, output_path).read_text(encoding="utf-8"))
parsed_sources[filename] = [footprint_info(fp) for fp in direct(source_board, "footprint")]
for source in parsed_sources[filename]:
expected_ref = source["reference"] + suffix
result[expected_ref] = {
**source,
"at": (round(source["at"][0] + origin[0], 6),
round(source["at"][1] + origin[1], 6)),
"reference": expected_ref,
}
return result
def same_copy(actual, expected, tol=0.01):
return (
actual["library"] == expected["library"]
and actual["layer"] == expected["layer"]
and actual["value"] == expected["value"]
and actual["pads"] == expected["pads"]
and math.dist(actual["at"], expected["at"]) <= tol
)
def feature_position_ok(info, expected, tol=0.01):
return info is not None and math.dist(info["at"], expected) <= tol
def evaluate(path: str):
checks = []
output_path = Path(path)
if not output_path.exists():
return False, [("file_exists", False)]
try:
board = parse_sexp(output_path.read_text(encoding="utf-8"))
if not board or board[0] != "kicad_pcb":
raise ValueError("root is not kicad_pcb")
except Exception:
return False, [("valid_kicad_pcb", False)]
checks.append(("valid_kicad_pcb", True))
actual_edges = edges_on_layer(board, "Edge.Cuts")
expected_edges = expected_rectangle_edges()
checks.append(("outer_and_slot_geometry", all(actual_edges[e] >= count for e, count in expected_edges.items())))
edge_points = [point for edge in actual_edges for point in edge]
checks.append(("edge_cuts_inside_panel", all(0 <= x <= 146 and 0 <= y <= 110 for x, y in edge_points)))
vscore_edges = edges_on_layer(board, "Dwgs.User")
checks.append(("vscore_guides", all(vscore_edges[edge] >= 1 for edge in EXPECTED_VSCORE)))
label_positions = {}
for label in direct(board, "gr_text"):
layer, at = first(label, "layer"), first(label, "at")
if len(label) >= 2 and layer and layer[1] in {"F.Silkscreen", "F.SilkS"} and at:
label_positions.setdefault(str(label[1]), []).append(point(at))
labels_ok = all(
name in label_positions and any(math.dist(pos, center) <= 5.0 for pos in label_positions[name])
for name, center in EXPECTED_LABELS.items()
)
checks.append(("copy_labels_near_centers", labels_ok))
footprints = [footprint_info(fp) for fp in direct(board, "footprint")]
by_ref = {}
for info in footprints:
by_ref.setdefault(info["reference"], []).append(info)
expected = expected_copies(output_path)
copies_ok = all(
len(by_ref.get(ref, [])) == 1 and same_copy(by_ref[ref][0], expected_info)
for ref, expected_info in expected.items()
)
checks.append(("all_source_footprints_faithfully_copied", copies_ok))
fid_ok = True
for ref, pos in EXPECTED_FID.items():
info = by_ref.get(ref, [None])[0] if len(by_ref.get(ref, [])) == 1 else None
has_copper_pad = bool(info and any(pad[1] == "smd" and "F.Cu" in pad[5] for pad in direct_pad_signatures(info)))
fid_ok = fid_ok and feature_position_ok(info, pos) and has_copper_pad
checks.append(("fiducials", fid_ok))
tool_ok = True
for ref, pos in EXPECTED_TOOL.items():
info = by_ref.get(ref, [None])[0] if len(by_ref.get(ref, [])) == 1 else None
valid_hole = False
if info:
for pad in direct(info["node"], "pad"):
drill = first(pad, "drill")
if len(pad) >= 3 and pad[2] == "np_thru_hole" and drill and len(drill) >= 2:
try:
valid_hole = abs(float(drill[1]) - 3.0) <= 0.01
except (TypeError, ValueError):
pass
tool_ok = tool_ok and feature_position_ok(info, pos) and valid_hole
checks.append(("tooling_holes_3mm_npth", tool_ok))
expected_refs = set(expected) | set(EXPECTED_FID) | set(EXPECTED_TOOL)
checks.append(("reference_set_exact", set(by_ref) == expected_refs and all(len(items) == 1 for items in by_ref.values())))
checks.append(("all_footprint_centers_inside_panel", all(0 <= info["at"][0] <= 146 and 0 <= info["at"][1] <= 110 for info in footprints)))
return all(value for _, value in checks), checks
def direct_pad_signatures(info):
return list(info["pads"].elements())
def eval_outputs(output_dir: str = "."):
passed, checks = evaluate(os.path.join(output_dir, "panel.kicad_pcb"))
return {
"task_id": TASK_ID,
"passed": passed,
"score": 1.0 if passed else 0.0,
"total": len(checks),
"error": None,
"checks": [{"name": name, "passed": value, "expected": True, "actual": value}
for name, value in checks],
"summary": f"{sum(value for _, value in checks)}/{len(checks)}",
}
if __name__ == "__main__":
passed, _ = evaluate(sys.argv[1] if len(sys.argv) > 1 else "panel.kicad_pcb")
print("True" if passed else "False")
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