1 files changed, 69 insertions, 0 deletions
diff --git a/python/problems/functions/prime_numbers/common.py b/python/problems/functions/prime_numbers/common.py
new file mode 100644
index 0000000..33eb134
--- /dev/null
+++ b/python/problems/functions/prime_numbers/common.py
@@ -0,0 +1,69 @@
+# coding=utf-8
+
+import re
+from python.util import has_token_sequence, string_almost_equal, \
+    string_contains_number, get_tokens, get_numbers, get_exception_desc
+from server.hints import Hint
+
+id = 234
+number = 13
+visible = True
+
+solution = '''\
+def prime(n):
+    for i in range(2, n):
+        for j in range(2, i):
+            if i % j == 0:
+                break
+        else:
+            print(i)
+'''
+
+hint_type = {
+    'final_hint': Hint('final_hint')
+}
+
+def test(python, code):
+    func_name = 'prime'
+    tokens = get_tokens(code)
+    if not has_token_sequence(tokens, ['def', func_name]):
+        return False, [{'id' : 'no_func_name', 'args' : {'func_name' : func_name}}]
+
+    in_out = [
+        (3, [2]),
+        (10, [2, 3, 5, 7]),
+        (100, [2, 3, 5, 7, 11, 13, 17, 19, 23, 29, 31, 37, 41, 43, 47, 53, 59, 61, 67, 71, 73, 79, 83, 89, 97]),
+    ]
+
+    test_in = [(func_name+'(%s)'%str(l[0]), None) for l in in_out]
+    test_out = [l[1] for l in in_out]
+
+    answers = python(code=code, inputs=test_in, timeout=1.0)
+    n_correct = 0
+    tin, tout = None, None
+    for i, (ans, to) in enumerate(zip(answers, test_out)):
+        numbers = sorted([int(n) for n in get_numbers(ans[1])])
+
+        if numbers == to:
+            n_correct += 1
+        else:
+            tin = test_in[i][0]
+            tout = to
+
+    passed = n_correct == len(test_in)
+    hints = [{'id': 'test_results', 'args': {'passed': n_correct, 'total': len(test_in)}}]
+    if tin:
+        hints.append({'id': 'problematic_test_case', 'args': {'testin': str(tin), 'testout': str(tout)}})
+    if passed:
+        hints.append({'id': 'final_hint'})
+    return passed, hints
+
+def hint(python, code):
+    tokens = get_tokens(code)
+
+    # run one test first to see if there are any exceptions
+    answer = python(code=code, inputs=[(None, None)], timeout=1.0)
+    exc = get_exception_desc(answer[0][3])
+    if exc: return exc
+
+    return None