File size: 3,461 Bytes
5154c4e | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 | from __future__ import annotations
import os
import xml.etree.ElementTree as ET
from pathlib import Path
OUTPUT_ROOT = Path(os.environ.get("EVAL_OUTPUT_ROOT", "/home/user/Desktop"))
SPEC = {'kind': 'schematic', 'target': 'answer.sch', 'parts': {'U1': {'deviceset': '555'}, 'R1': {'value': '10k'}, 'R2': {'value': '47k'}, 'C1': {'value': '100n'}, 'C2': {'value': '10u'}, 'LED1': {'value': 'red'}}, 'nets': {'VCC': [['U1', 'V+'], ['U1', 'R'], ['R1', '1'], ['C2', '1']], 'GND': [['U1', 'GND'], ['C1', '2'], ['C2', '2'], ['LED1', 'C']], 'TRIG_THRES': [['U1', 'TR'], ['U1', 'THR'], ['C1', '1'], ['R2', '2']], 'DISCH': [['U1', 'DIS'], ['R1', '2'], ['R2', '1']], 'OUT': [['U1', 'Q'], ['LED1', 'A']], 'CTRL': [['U1', 'CV']]}}
FORBIDDEN = {".py", ".pyw", ".sh", ".bash", ".zsh", ".ps1", ".bat", ".cmd", ".tcl", ".scr"}
def no_gui_bypass():
for path in OUTPUT_ROOT.iterdir():
if path.is_file() and path.name != "eval.py" and path.suffix.lower() in FORBIDDEN:
return False
return True
def check_schematic(root):
parts = {part.attrib.get("name"): part.attrib for part in root.findall(".//schematic/parts/part")}
instances = {item.attrib.get("part") for item in root.findall(".//schematic/sheets/sheet/instances/instance")}
nets = {}
for net in root.findall(".//schematic/sheets/sheet/nets/net"):
refs = {(pin.attrib.get("part"), pin.attrib.get("pin")) for pin in net.findall(".//pinref")}
nets[net.attrib.get("name")] = refs
for name, expected in SPEC["parts"].items():
actual = parts.get(name)
if actual is None or name not in instances:
return False
if "value" in expected and actual.get("value", "") != expected["value"]:
return False
if "deviceset" in expected and expected["deviceset"].lower() not in actual.get("deviceset", "").lower():
return False
for name, required in SPEC.get("nets", {}).items():
if name not in nets or not {tuple(item) for item in required}.issubset(nets[name]):
return False
if SPEC.get("forbid_buses") and root.findall(".//schematic/sheets/sheet/busses/bus"):
return False
return True
def check_library(root):
package = root.find(".//library/packages/package[@name='SOT23-3']")
symbol = root.find(".//library/symbols/symbol[@name='LDO']")
deviceset = root.find(".//library/devicesets/deviceset[@name='XC6206']")
if package is None or symbol is None or deviceset is None or deviceset.attrib.get("prefix") != "U":
return False
pads = {pad.attrib.get("name") for pad in package.findall("smd")}
pins = {pin.attrib.get("name"): pin.attrib.get("direction") for pin in symbol.findall("pin")}
connects = {(item.attrib.get("pin"), item.attrib.get("pad")) for item in deviceset.findall(".//connect")}
return pads == {"1", "2", "3"} and set(pins) == {"VIN", "GND", "VOUT"} and connects == {
("VIN", "1"), ("GND", "2"), ("VOUT", "3")
}
def run():
if not no_gui_bypass():
return False
answer = OUTPUT_ROOT / SPEC["target"]
if not answer.is_file() or answer.stat().st_size < 500:
return False
root = ET.parse(answer).getroot()
if root.tag != "eagle":
return False
return check_library(root) if SPEC["kind"] == "library" else check_schematic(root)
if __name__ == "__main__":
try:
print("True" if run() else "False")
except Exception:
print("False")
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