Add epicbox-hyperskill/go image (#33)

epicbox-hyperskill/go/Dockerfile

@@ -0,0 +1,9 @@
+FROM golang:1.16.5-buster
+
+RUN apt-get update && \
+    apt-get install -y python3 python3-pip && \
+    rm -rf /var/lib/apt/lists/*
+
+RUN pip3 install https://github.com/hyperskill/hs-test-python/archive/v5.tar.gz
+
+COPY checker/ /checker/

epicbox-hyperskill/go/checker/check.sh

@@ -0,0 +1,6 @@
+#!/bin/bash
+
+cd /sandbox
+python3 tests.py --inside_docker > stdout.txt 2> stderr.txt
+echo $? > code.txt
+python3 /checker/process.py

epicbox-hyperskill/go/checker/process.py

@@ -0,0 +1,42 @@
+import json
+
+FAILED_TEST_BEGIN = '#educational_plugin FAILED + '
+FAILED_TEST_CONTINUE = '#educational_plugin '
+
+if __name__ == '__main__':
+    score = 1
+    feedback = ''
+
+    code = open('code.txt').read().strip()
+    stdout = open('stdout.txt').read().splitlines()
+    stderr = open('stderr.txt').read().splitlines()
+    if code != '0':
+        score = 0
+        feedback = (
+            'Cannot check the submission.\n\nPerhaps your program '
+            'has fallen into an infinite loop or created too many objects in memory. '
+            'If you are sure that this is not the case, please send the report to [email protected]\n'
+            'stdout:\n{stdout}\n\nstderr:\n{stderr}'
+                .format(stdout='\n'.join(stdout), stderr='\n'.join(stderr))
+        )
+
+    elif any(line.startswith(FAILED_TEST_BEGIN) for line in stdout):
+        score = 0
+        output = []
+        output_started = False
+
+        for line in stdout:
+            if output_started and line.startswith(FAILED_TEST_CONTINUE):
+                output.append(line[len(FAILED_TEST_CONTINUE):])
+
+            if not output_started and line.startswith(FAILED_TEST_BEGIN):
+                output_started = True
+                output.append(line[len(FAILED_TEST_BEGIN):])
+
+        feedback = '\n'.join(output).strip()
+
+    result = {
+        'score': score,
+        'feedback': feedback,
+    }
+    print(json.dumps(result))