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from pathlib import Path
from src.safe_subprocess import run
import subprocess
# return codes for coqc:
# 0: compilation goes through
# 1: some sort of error (nondescript)
def eval_script(path: Path):
cleanup_extensions = ['.vo', '.vok', '.vos']
try:
# sadly there seems to be no way to verify proofs in a coq file without compiling
output = subprocess.run(["coqc", "-noglob", str(path)], capture_output=True, timeout=5)
outmessage = str(output)
if output.returncode == 0:
status = "OK"
# cleanup: remove files generated by coqc
for ext in cleanup_extensions:
file_to_remove = path.with_suffix(ext)
if file_to_remove.exists():
file_to_remove.unlink()
elif "Unable to unify" in outmessage:
status = "AssertionError"
else:
status = "SyntaxError"
returncode = output.returncode
except subprocess.TimeoutExpired as exc:
status = "Timeout"
output = exc
returncode = -1
return {
"status": status,
"exit_code": returncode,
"stdout": "" if output.stdout is None else output.stdout.decode("utf-8"),
"stderr": "" if output.stderr is None else output.stderr.decode("utf-8"),
}
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