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author | Matevž Poberžnik <tevzpoberznik@gmail.com> | 2017-10-13 12:42:22 +0200 |
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committer | Matevž Poberžnik <tevzpoberznik@gmail.com> | 2017-10-13 12:42:22 +0200 |
commit | 4b0e419541244969e3177b7da6efc3149c2263aa (patch) | |
tree | f32921d279d87d0d8b3cddd00e79041b2fb57f14 /python/problems/introduction-fkkt/molar_mass/common.py | |
parent | 746fa1fb9d1430747b499d667f2cfe1fc77d3718 (diff) |
Python: Add introduction group for FKKT students
Python: Add anchor link to jump to FKKT exercices
Diffstat (limited to 'python/problems/introduction-fkkt/molar_mass/common.py')
-rw-r--r-- | python/problems/introduction-fkkt/molar_mass/common.py | 91 |
1 files changed, 91 insertions, 0 deletions
diff --git a/python/problems/introduction-fkkt/molar_mass/common.py b/python/problems/introduction-fkkt/molar_mass/common.py new file mode 100644 index 0000000..10aa098 --- /dev/null +++ b/python/problems/introduction-fkkt/molar_mass/common.py @@ -0,0 +1,91 @@ +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 = 25004 +number = 5 +visible = True + +solution = '''\ +hidracija = int(input('Stopnja hidracije: ')) + +Cu = 63.5 +S = 32.1 +O = 16.0 +H = 1.0 +mm = Cu + S + 4 * O + hidracija * (2 * H + O) + +print('Molska masa je', mm, 'g/mol.') +''' + +hint_type = { + 'plan': Hint('plan'), + 'name_error': Hint('name_error'), + 'unsupported_operand': Hint('unsupported_operand'), + 'no_input_call' : Hint('no_input_call'), + 'printing': Hint('printing'), + 'final_hint': Hint('final_hint') +} + +def test(python, code, aux_code=''): + # List of inputs: (expression to eval, stdin). + test_in = [ + (None, '1'), + (None, '2'), + (None, '5') + ] + + test_out = [ + "Molska masa je 177.6 g/mol", + "Molska masa je 195.6 g/mol", + "Molska masa je 249.6 g/mol", + ] + + # List of outputs: (expression result, stdout, stderr, exception). + answers = python(code=aux_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 string_almost_equal(output, float(correct), prec=2): + if output.rstrip().endswith(correct): + 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, aux_code=''): + tokens = get_tokens(code) + + # run one test first to see if there are any exceptions + test_in = [(None, '1\n')] + answer = python(code=aux_code+code, inputs=test_in, timeout=1.0) + exc = answer[0][3] + exc_hint = get_exception_desc(answer[0][3]) + if exc: + if 'NameError' in exc: + return [{'id':'name_error', 'args': {'message': exc}}] + elif 'unsupported operand' in exc or 'TypeError' in exc: + return [{'id':'unsupported_operand', 'args': {'message': exc}}] + else: + return exc_hint + + # if input is not present in code, student needs to learn about input + if not has_token_sequence(tokens, ['input']) or \ + (not has_token_sequence(tokens, ['float']) and not has_token_sequence(tokens, ['int'])) or \ + not has_token_sequence(tokens, ['=']): + return [{'id': 'no_input_call'}] + + if not has_token_sequence(tokens, ['print']): + return [{'id' : 'printing'}] + + return None |