diff options
Diffstat (limited to 'python/problems/lists_and_for/places/common.py')
-rw-r--r-- | python/problems/lists_and_for/places/common.py | 80 |
1 files changed, 80 insertions, 0 deletions
diff --git a/python/problems/lists_and_for/places/common.py b/python/problems/lists_and_for/places/common.py new file mode 100644 index 0000000..e7d1adf --- /dev/null +++ b/python/problems/lists_and_for/places/common.py @@ -0,0 +1,80 @@ +# 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 = 218 +number = 4 +visible = True + +solution = '''\ +xs = [42, 5, 4, -7, 2, 12, -3, -4, 11, 42, 2] + +mesta = [] +for i in range(len(xs)): + if xs[i] == 42: + mesta.append(i) +print(mesta) +''' + +hint_type = { + 'final_hint': Hint('final_hint') +} + +def test(python, code): + in_out = [ + ([], []), + ([0], []), + ([42], [0]), + ([4, 2], []), + ([42, 42], [0, 1]), + ([1, 2, 3, 4, 5, 5, 4, 3, 2, 1], []), + ([1, 2, 3, 4, 5, 5, 4, 3, 2, 1, 42], [10]), + ([1, 2, 3, 4, 5, 42, 5, 4, 3, 2, 1], [5]), + ([1, 2, 42, 4, 5, 42, 5, 4, 42, 2, 1], [2, 5, 8]), + ([42, 5, 4, -7, 2, 12, -3, -4, 11, 42, 2], [0, 9]), + ([42] * 10, [0, 1, 2, 3, 4, 5, 6, 7, 8, 9]), + ] + + test_in = [t[0] for t in in_out] + test_out = [t[1] for t in in_out] + + n_correct = 0 + tin = None + for xs_i, xs in enumerate(test_in): + # change code to contain new xs instead of the one + # given by user + tcode = re.sub(r'^xs\s*=\s*\[.*?\]', + 'xs = ' + str(xs), + code, + flags = re.DOTALL | re.MULTILINE) + + # use python session to call tcode + answers = python(code=tcode, inputs=[(None, None)], timeout=1.0) + output = answers[0][1] + + if str(test_out[xs_i]) in output: + n_correct += 1 + else: + tin = test_in[xs_i] + tout = test_out[xs_i] + + 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 |