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Merged
Saannddy merged 2 commits into from
Mar 11, 2026
Merged

Main #42

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9f8e304
feat: Introduce timeout error handling for compilation and execution …
Saannddy Mar 11, 2026
0712d22
Merge pull request #41 from Saannddy/dev
Saannddy Mar 11, 2026
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63 changes: 39 additions & 24 deletions src/core/executor.py
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Original file line number Diff line number Diff line change
Expand Up @@ -80,19 +80,25 @@ def _run_c_cpp(code, lang, tests=None, timeout=None):
with open(src, 'w') as f:
f.write(code)

comp = subprocess.run(
[cfg['compiler'], src, "-o", exe],
capture_output=True, text=True, timeout=timeout, cwd=d
)
if comp.returncode:
return {"status": "incorrect", "message": "Compilation failed", "compiler_output": comp.stderr}
try:
comp = subprocess.run(
[cfg['compiler'], src, "-o", exe],
capture_output=True, text=True, timeout=max(timeout, 10), cwd=d
)
if comp.returncode:
return {"status": "incorrect", "message": "Compilation failed", "compiler_output": comp.stderr}
except subprocess.TimeoutExpired:
return {"status": "error", "message": "Compilation timed out"}

if tests is None:
res = subprocess.run(
[exe], capture_output=True, text=True,
timeout=timeout, cwd=d, preexec_fn=_sandbox_preexec(timeout)
)
return {"status": "success", "stdout": res.stdout, "stderr": res.stderr}
try:
res = subprocess.run(
[exe], capture_output=True, text=True,
timeout=timeout, cwd=d, preexec_fn=_sandbox_preexec(timeout)
)
return {"status": "success", "stdout": res.stdout, "stderr": res.stderr}
except subprocess.TimeoutExpired:
return {"status": "error", "message": "Execution timed out"}

return _run_tests([exe], tests, timeout, cwd=d)

Expand All @@ -115,17 +121,23 @@ def _run_java(code, tests=None, timeout=None):
with open(src, 'w') as f:
f.write(code)

comp = subprocess.run(["javac", src, "-d", d], capture_output=True, text=True, timeout=timeout, cwd=d)
if comp.returncode:
return {"status": "incorrect", "message": "Compilation failed", "compiler_output": comp.stderr}
try:
comp = subprocess.run(["javac", src, "-d", d], capture_output=True, text=True, timeout=max(timeout, 10), cwd=d)
if comp.returncode:
return {"status": "incorrect", "message": "Compilation failed", "compiler_output": comp.stderr}
except subprocess.TimeoutExpired:
return {"status": "error", "message": "Compilation timed out"}

cmd = ["java", "-cp", d, f"-Xmx{MAX_MEMORY_MB}m", class_name]
if tests is None:
res = subprocess.run(
cmd, capture_output=True, text=True,
timeout=timeout, cwd=d, preexec_fn=_sandbox_preexec(timeout, skip_memory=True)
)
return {"status": "success", "stdout": res.stdout, "stderr": res.stderr}
try:
res = subprocess.run(
cmd, capture_output=True, text=True,
timeout=timeout, cwd=d, preexec_fn=_sandbox_preexec(timeout, skip_memory=True)
)
return {"status": "success", "stdout": res.stdout, "stderr": res.stderr}
except subprocess.TimeoutExpired:
return {"status": "error", "message": "Execution timed out"}

return _run_tests(cmd, tests, timeout, cwd=d, skip_memory=True)

Expand All @@ -141,11 +153,14 @@ def _run_interpreted(code, lang, tests=None, timeout=None):

cmd = [cfg['interpreter'], src]
if tests is None:
res = subprocess.run(
cmd, capture_output=True, text=True,
timeout=timeout, cwd=d, preexec_fn=_sandbox_preexec(timeout)
)
return {"status": "success", "stdout": res.stdout, "stderr": res.stderr}
try:
res = subprocess.run(
cmd, capture_output=True, text=True,
timeout=timeout, cwd=d, preexec_fn=_sandbox_preexec(timeout)
)
return {"status": "success", "stdout": res.stdout, "stderr": res.stderr}
except subprocess.TimeoutExpired:
return {"status": "error", "message": "Execution timed out"}

return _run_tests(cmd, tests, timeout, cwd=d)

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