1 files changed, 68 insertions, 0 deletions
diff --git a/python/problems/lists_and_for/substrings/common.py b/python/problems/lists_and_for/substrings/common.py
new file mode 100644
index 0000000..8128797
--- /dev/null
+++ b/python/problems/lists_and_for/substrings/common.py
@@ -0,0 +1,68 @@
+# 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 = 223
+number = 9
+visible = True
+
+solution = '''\
+s = input('Vpiši besedo: ')
+
+xs = ['']
+# Zanka po dolžini podniza.
+for i in range(1, len(s) + 1):
+    # Zanka po začetku podniza.
+    for j in range(len(s) - i + 1):
+        xs.append(s[j:j + i])
+print(xs)
+'''
+
+hint_type = {
+    'final_hint': Hint('final_hint')
+}
+
+def test(python, code):
+    in_out = [
+        ('a', ['', 'a']),
+        ('ab', ['', 'a', 'b', 'ab']),
+        ('abc', ['', 'a', 'b', 'c', 'ab', 'bc', 'abc']),
+        ('tema', ['', 't', 'e', 'm', 'a', 'te', 'em', 'ma', 'tem', 'ema', 'tema']),
+    ]
+
+    test_in = [(None, s[0]+'\n') for s in in_out]
+    test_out = [str(s[1]) for s in in_out]
+    # List of outputs: (expression result, stdout, stderr, exception).
+    answers = python(code=code, inputs=test_in, timeout=1.0)
+    outputs = [ans[1] for ans in answers]
+
+    n_correct = 0
+    tin = None
+    for i, (output, correct) in enumerate(zip(outputs, test_out)):
+        if correct in output:
+            n_correct += 1
+        else:
+            tin = test_in[i][1]
+            tout = correct
+
+    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