BASE=http://127.0.0.1:8138

$ curl -s -X POST "$BASE/submissions?wait=true" -H "Content-Type: application/json" \
    -d '{"source_code":"cHJpbnQoImJvZHlmbGFnIik=","language_id":71,"base64_encoded":true}'
{"stdout":null,"time":"0.01","memory":7876,"stderr":"  File \"script.py\", line 1\n    cHJpbnQoImJvZHlmbGFnIik=\n                           ^\nSyntaxError: invalid syntax\n","token":"7f8f595c-360a-46ef-94aa-c2f537180666","compile_output":null,"message":"Exited with error status 1","status":{"id":11,"description":"Runtime Error (NZEC)"}}

$ curl -s -w " [%{http_code}]" $BASE/about
{"version":"1.13.1","homepage":"https://judge0.com","source_code":"https://github.com/judge0/judge0","maintainer":"Herman Zvonimir Došilović \u003chermanz.dosilovic@gmail.com\u003e"} [200]

$ curl -s -w " [%{http_code}]" http://127.0.0.1:8142/about
 [401]

$ curl -s -w " [%{http_code}]" -H "X-Auth-Token: test_token_2026" http://127.0.0.1:8142/about
{"version":"1.13.1","homepage":null,"source_code":null,"maintainer":null} [200]

$ curl -s -w " [%{http_code}]" "http://127.0.0.1:8142/about?X-Auth-Token=test_token_2026"
{"version":"1.13.1","homepage":null,"source_code":null,"maintainer":null} [200]

$ curl -s $BASE/about | python3 -m json.tool
{
    "version": "1.13.1",
    "homepage": "https://judge0.com",
    "source_code": "https://github.com/judge0/judge0",
    "maintainer": "Herman Zvonimir Došilović <hermanz.dosilovic@gmail.com>"
}

$ curl -s $BASE/languages | python3 -c "import sys,json; d=json.load(sys.stdin); print(len(d)); print(d[:2])"
47
[{'id': 45, 'name': 'Assembly (NASM 2.14.02)'}, {'id': 46, 'name': 'Bash (5.0.0)'}]

$ curl -s $BASE/languages | python3 -c "import sys,json; print([x for x in json.load(sys.stdin) if x['id'] in (54,62,63,71)])"
[{'id': 54, 'name': 'C++ (GCC 9.2.0)'}, {'id': 62, 'name': 'Java (OpenJDK 13.0.1)'}, {'id': 63, 'name': 'JavaScript (Node.js 12.14.0)'}, {'id': 71, 'name': 'Python (3.8.1)'}]

$ curl -s $BASE/statuses
[{"id":1,"description":"In Queue"},{"id":2,"description":"Processing"},{"id":3,"description":"Accepted"},{"id":4,"description":"Wrong Answer"},{"id":5,"description":"Time Limit Exceeded"},{"id":6,"description":"Compilation Error"},{"id":7,"description":"Runtime Error (SIGSEGV)"},{"id":8,"description":"Runtime Error (SIGXFSZ)"},{"id":9,"description":"Runtime Error (SIGFPE)"},{"id":10,"description":"Runtime Error (SIGABRT)"},{"id":11,"description":"Runtime Error (NZEC)"},{"id":12,"description":"Runtime Error (Other)"},{"id":13,"description":"Internal Error"},{"id":14,"description":"Exec Format Error"}]

$ curl -s $BASE/system_info | python3 -c "import sys,json; d=json.load(sys.stdin); print(len(d)); print({k:d[k] for k in list(d)[:8]})"
44
{'Architecture': 'x86_64', 'CPU op-mode(s)': '32-bit, 64-bit', 'Byte Order': 'Little Endian', 'Address sizes': '45 bits physical, 48 bits virtual', 'CPU(s)': '6', 'On-line CPU(s) list': '0-5', 'Thread(s) per core': '1', 'Core(s) per socket': '6'}

$ curl -s $BASE/system_info | python3 -c "import sys,json; d=json.load(sys.stdin); print(d['Mem'], d['Swap'])"
18Gi 8.0Gi

$ curl -s $BASE/config_info
{"maintenance_mode":false,"enable_wait_result":true,"enable_compiler_options":true,"allowed_languages_for_compile_options":[],"enable_command_line_arguments":true,"enable_submission_delete":false,"enable_callbacks":true,"callbacks_max_tries":3,"callbacks_timeout":5.0,"enable_additional_files":true,"max_queue_size":100,"cpu_time_limit":5.0,"max_cpu_time_limit":15.0,"cpu_extra_time":1.0,"max_cpu_extra_time":5.0,"wall_time_limit":10.0,"max_wall_time_limit":20.0,"memory_limit":128000,"max_memory_limit":512000,"stack_limit":64000,"max_stack_limit":128000,"max_processes_and_or_threads":60,"max_max_processes_and_or_threads":120,"enable_per_process_and_thread_time_limit":true,"allow_enable_per_process_and_thread_time_limit":true,"enable_per_process_and_thread_memory_limit":true,"allow_enable_per_process_and_thread_memory_limit":true,"max_file_size":1024,"max_max_file_size":4096,"number_of_runs":1,"max_number_of_runs":20,"redirect_stderr_to_stdout":false,"max_extract_size":10240,"enable_batched_submissions":true,"max_submission_batch_size":20,"submission_cache_duration":1.0,"use_docs_as_homepage":false,"allow_enable_network":true,"enable_network":false}

$ curl -s -X POST "$BASE/submissions?base64_encoded=false&wait=true" \
    -H "Content-Type: application/json" \
    -d '{"source_code":"print(\"hello judge0\")","language_id":71}' | python3 -m json.tool

{
    "stdout": "hello judge0\n",
    "time": "0.019",
    "memory": 7944,
    "stderr": null,
    "token": "4a7b4730-bbae-4ea1-8540-a139117135f7",
    "compile_output": null,
    "message": null,
    "status": {
        "id": 3,
        "description": "Accepted"
    }
}

$ curl -s -X POST "$BASE/submissions?base64_encoded=true&wait=true" \
    -H "Content-Type: application/json" \
    -d '{"source_code":"cHJpbnQoImJhc2U2NCBoZWxsbyIp","language_id":71}'
{"stdout":"YmFzZTY0IGhlbGxvCg==\n","time":"0.009","memory":7900,"stderr":null,"token":"b3e7b485-d212-4fc9-84e0-e4a5afba60a9","compile_output":null,"message":null,"status":{"id":3,"description":"Accepted"}}

$ echo "YmFzZTY0IGhlbGxvCg==" | base64 -d
base64 hello

$ curl -s "$BASE/submissions/b3e7b485-d212-4fc9-84e0-e4a5afba60a9?base64_encoded=true"
{"stdout":"YmFzZTY0IGhlbGxvCg==\n","time":"0.009","memory":7900,"stderr":null,"token":"b3e7b485-d212-4fc9-84e0-e4a5afba60a9","compile_output":null,"message":null,"status":{"id":3,"description":"Accepted"}}

$ curl -s -w " [%{http_code}]" -X POST "http://127.0.0.1:8142/submissions?wait=true" \
    -H "Content-Type: application/json" \
    -d '{"source_code":"print(1)","language_id":71}'
{"error":"wait not allowed"} [400]

$ curl -s -w " [%{http_code}]" -X POST "$BASE/submissions?base64_encoded=false" \
    -H "Content-Type: application/json" \
    -d '{"source_code":"print(123)","language_id":71}'
{"token":"f69c649f-e710-44f0-b1c6-e557ce27fcba"} [201]

$ curl -s -X POST "$BASE/submissions?wait=true" -H "Content-Type: application/json" \
    -d '{"source_code":"a,b=map(int,input().split())\nprint(a+b)","language_id":71,"stdin":"2 3","expected_output":"6"}'
{"stdout":"5\n","time":"0.009","memory":7976,"stderr":null,"token":"5fbb384a-70df-46ad-a512-1e06c936dfcb","compile_output":null,"message":null,"status":{"id":4,"description":"Wrong Answer"}}

$ curl -s -X POST "$BASE/submissions?wait=true" -H "Content-Type: application/json" \
    -d '{"source_code":"import sys\nprint(sys.argv[1:])","language_id":71,"command_line_arguments":"-x 7"}'
{"stdout":"['-x', '7']\n","time":"0.009","memory":7996,"stderr":null,"token":"20090cd9-7ad3-40ec-aea2-f2d9f2d2f881","compile_output":null,"message":null,"status":{"id":3,"description":"Accepted"}}

$ curl -s "$BASE/submissions/4a7b4730-bbae-4ea1-8540-a139117135f7"
{"stdout":"hello judge0\n","time":"0.019","memory":7944,"stderr":null,"token":"4a7b4730-bbae-4ea1-8540-a139117135f7","compile_output":null,"message":null,"status":{"id":3,"description":"Accepted"}}

$ curl -s "$BASE/submissions/b3e7b485-d212-4fc9-84e0-e4a5afba60a9?fields=stdout,status,time,memory"
{"stdout":"base64 hello\n","time":"0.009","memory":7900,"status":{"id":3,"description":"Accepted"}}

$ curl -s -o /dev/null -w "%{http_code} %{size_download}\n" "$BASE/submissions/not-a-token"
404 0

$ curl -s -X POST "$BASE/submissions?base64_encoded=true&wait=true" -H "Content-Type: application/json" \
    -d '{"source_code":"cHJpbnQob3BlbigiZGF0YS50eHQiKS5yZWFkKCkp","language_id":71,"additional_files":"NDIK"}'
{"stdout":null,"stderr":"VHJhY2ViYWNrIChtb3N0IHJlY2VudCBjYWxsIGxhc3QpOgogIEZpbGUgInNj\ncmlwdC5weSIsIGxpbmUgMSwgaW4gPG1vZHVsZT4KICAgIHByaW50KG9wZW4o\nJ2RhdGEudHh0JykucmVhZCgpLnN0cmlwKCkpCkZpbGVOb3RGb3VuZEVycm9y\nOiBbRXJybm8gMl0gTm8gc3VjaCBmaWxlIG9yIGRpcmVjdG9yeTogJ2RhdGEu\ndHh0Jwo=\n","message":"RXhpdGVkIHdpdGggZXJyb3Igc3RhdHVzIDE=\n","token":"99d840c8-da4f-4066-9656-f1f5fa707fe0","compile_output":null,"status":{"id":11,"description":"Runtime Error (NZEC)"}}

Traceback (most recent call last):
  File "script.py", line 1, in <module>
    print(open('data.txt').read().strip())
FileNotFoundError: [Errno 2] No such file or directory: 'data.txt'

$ python3 -c "import io,zipfile,base64; b=io.BytesIO(); z=zipfile.ZipFile(b,'w'); z.writestr('data.txt','42\n'); z.close(); print(base64.b64encode(b.getvalue()).decode())"
UEsDBBQAAAAAAFa5W10xKYbRAwAAAAMAAAAIAAAAZGF0YS50eHQ0MgpQSwECFAMUAAAAAABWuVtdMSmG0QMAAAADAAAACAAAAAAAAAAAAAAAgAEAAAAAZGF0YS50eHRQSwUGAAAAAAEAAQA2AAAAKQAAAAAA

$ curl -s -X POST "$BASE/submissions?base64_encoded=true&wait=true" -H "Content-Type: application/json" \
    -d '{"source_code":"cHJpbnQob3BlbigiZGF0YS50eHQiKS5yZWFkKCkuc3RyaXAoKSk=","language_id":71,"additional_files":"UEsDBBQAAAAAAFa5W10xKYbRAwAAAAMAAAAIAAAAZGF0YS50eHQ0MgpQSwECFAMUAAAAAABWuVtdMSmG0QMAAAADAAAACAAAAAAAAAAAAAAAgAEAAAAAZGF0YS50eHRQSwUGAAAAAAEAAQA2AAAAKQAAAAAA"}'
{"stdout":"NDIK\n","time":"0.01","memory":7884,"stderr":null,"token":"dd3855ca-2e98-4cd1-9274-4726ffc3ac0c","compile_output":null,"message":null,"status":{"id":3,"description":"Accepted"}}

$ curl -s -X POST "$BASE/submissions/batch?base64_encoded=false" -H "Content-Type: application/json" \
    -d '{"submissions":[{"source_code":"print(\"b1\")","language_id":71},{"source_code":"print(\"b2\")","language_id":71},{"source_code":"print(1/0)","language_id":71}]}'
[{"token":"bcedc899-a3d0-4502-bd97-61b64f412a09"},{"token":"f3a9d26f-bd4a-4427-8685-468fead6f938"},{"token":"cb2c127d-2189-4d89-a868-e11a65f90982"}]

$ python3 -c "
import json, urllib.request, urllib.error
subs = {'submissions': [{'source_code': 'print(1)', 'language_id': 71} for _ in range(21)]}
r = urllib.request.Request('$BASE/submissions/batch?base64_encoded=false',
                           data=json.dumps(subs).encode(),
                           headers={'Content-Type': 'application/json'}, method='POST')
try:
    urllib.request.urlopen(r)
except urllib.error.HTTPError as e:
    print(e.code, e.read().decode())
"
400 {"error":"number of submissions in a batch should be less than or equal to 20"}

$ curl -s "$BASE/submissions/batch?tokens=bcedc899-a3d0-4502-bd97-61b64f412a09,f3a9d26f-bd4a-4427-8685-468fead6f938,cb2c127d-2189-4d89-a868-e11a65f90982&fields=stdout,status"
{"submissions":[{"stdout":"b1\n","status":{"id":3,"description":"Accepted"}},{"stdout":"b2\n","status":{"id":3,"description":"Accepted"}},{"stdout":null,"status":{"id":11,"description":"Runtime Error (NZEC)"}}]}

$ curl -s -w " [%{http_code}]" "$BASE/submissions/batch?tokens=not-a-token"
{"submissions":[null]} [200]

$ curl -s -w " [%{http_code}]" "$BASE/submissions/batch?tokens="
{"error":"there should be at least one submission in a batch"} [400]

$ curl -s -X POST "$BASE/submissions" -H "Content-Type: application/json" \
    -d '{"source_code":"print(7*8)","language_id":71,"callback_url":"http://<回调主机>:8199/cb"}'
{"token":"139a83a8-b6d6-42e2-b2d3-ffde1ba72461"}

METHOD=PUT PATH=/cb
{"stdout":"NTYK\n","time":"0.009","memory":7992,"stderr":null,"token":"823ac49f-497e-4dcb-bbc8-07a24514d6f7","compile_output":null,"message":null,"status":{"id":3,"description":"Accepted"}}

$ curl -s -w " [%{http_code}]" -X POST "$BASE/submissions" -H "Content-Type: application/json" -d '{"source_code":"print(1)","language_id":9999}'
{"language_id":["language with id 9999 doesn't exist"]} [422]

$ curl -s -w " [%{http_code}]" -X POST "$BASE/submissions" -H "Content-Type: application/json" -d '{"source_code":"print(1)"}'
{"language_id":["can't be blank","language with id  doesn't exist"]} [422]

$ curl -s -w " [%{http_code}]" -X POST "$BASE/submissions?wait=true" -H "Content-Type: application/json" -d '{"source_code":"print(1)","language_id":71,"memory_limit":600000}'
{"memory_limit":["must be less than or equal to 512000"]} [422]

$ curl -s -X POST "$BASE/submissions?wait=true" -H "Content-Type: application/json" -d '{"source_code":"int main(){ oops }","language_id":54}'
{"error":"some attributes for this submission cannot be converted to UTF-8, use base64_encoded=true query parameter","token":"addc2afd-7341-4dbf-8cbd-7382a98e6467"}

$ curl -s -X POST "$BASE/submissions?base64_encoded=true&wait=true" -H "Content-Type: application/json" \
    -d '{"source_code":"aW50IG1haW4oKXsgd3JvbmcgfQ==","language_id":54}'
{"stdout":null,"time":null,"memory":null,"stderr":null,"token":"45c91827-c47f-43ce-a159-c21901a51a8e","compile_output":"bWFpbi5jcHA6IEluIGZ1bmN0aW9uIOKAmGludCBtYWluKCnigJk6Cm1haW4u\nY3BwOjE6MTM6IGVycm9yOiDigJh3cm9uZ+KAmSB3YXMgbm90IGRlY2xhcmVk\nIGluIHRoaXMgc2NvcGUKICAgIDEgfCBpbnQgbWFpbigpeyB3cm9uZyB9CiAg\nICAgIHwgICAgICAgICAgICAgXn5+fn4K\n","message":null,"status":{"id":6,"description":"Compilation Error"}}

main.cpp: In function ‘int main()’:
main.cpp:1:13: error: ‘wrong’ was not declared in this scope
    1 | int main(){ wrong }
      |             ^~~~~

BASE=http://127.0.0.1:8138
T=$(curl -s -X POST "$BASE/submissions?base64_encoded=false" -H "Content-Type: application/json" \
      -d '{"source_code":"print(6*7)","language_id":71}' | python3 -c "import sys,json;print(json.load(sys.stdin)['token'])")
echo "$T"

for i in $(seq 1 30); do
  R=$(curl -s "$BASE/submissions/$T?fields=status,stdout,time,memory")
  ID=$(echo "$R" | python3 -c "import sys,json;print(json.load(sys.stdin)['status']['id'])")
  echo "$R"
  [ "$ID" -gt 2 ] && break
  sleep 0.5
done

$ T=$(curl -s -X POST "$BASE/submissions?base64_encoded=false" -H "Content-Type: application/json" \
      -d '{"source_code":"import time\ntime.sleep(3)\nprint(9)","language_id":71}' | python3 -c "import sys,json;print(json.load(sys.stdin)['token'])")

$ for i in 1 2 3 4 5; do curl -s "$BASE/submissions/$T?fields=status,time,memory"; echo; sleep 1; done
{"time":null,"memory":null,"status":{"id":1,"description":"In Queue"}}
{"time":null,"memory":null,"status":{"id":2,"description":"Processing"}}
{"time":null,"memory":null,"status":{"id":2,"description":"Processing"}}
{"time":null,"memory":null,"status":{"id":2,"description":"Processing"}}
{"time":"0.01","memory":7796,"status":{"id":3,"description":"Accepted"}}

/opt/judge0/app/jobs/isolate_job.rb:4:in `<class:IsolateJob>': undefined method `to_sym' for nil:NilClass (NoMethodError)

run: line 1: /usr/local/python-3.8.1/bin/python3: No such file or directory

{"stdout":null,"time":"0.002","memory":3160,"message":"Time limit exceeded (wall clock)","status":{"id":5,"description":"Time Limit Exceeded"}}

{"stdout":null,"stderr":"Traceback (most recent call last):\n  File \"script.py\", line 1, in \u003cmodule\u003e\n    a='x'*(300*1024*1024)\nMemoryError\n","message":"Exited with error status 1","status":{"id":11,"description":"Runtime Error (NZEC)"}}