blob: 85efa516732155d6e0fdad9062cf24e313668418 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
|
#!/usr/bin/env python
import sys
import traceback
import os
from os.path import join
import importlib
from contextlib import contextmanager
# local imports
from code_evaluator import CodeEvaluator
@contextmanager
def redirect_stdout():
from StringIO import StringIO
new_target = StringIO()
old_target, sys.stdout = sys.stdout, new_target # replace sys.stdout
try:
yield new_target # run some code with the replaced stdout
finally:
sys.stdout = old_target # restore to the previous value
class PythonStdoutEvaluator(CodeEvaluator):
"""Tests the Python code obtained from Code Server"""
def compile_code(self, user_answer, expected_output):
if hasattr(self, 'output_value'):
return None
else:
submitted = compile(user_answer, '<string>', mode='exec')
with redirect_stdout() as output_buffer:
g = {}
exec submitted in g
self.output_value = output_buffer.getvalue()
return self.output_value
def check_code(self, user_answer, expected_output):
success = False
tb = None
# submitted = compile(user_answer, '<string>', mode='exec')
# with redirect_stdout() as output_buffer:
# g = {}
# exec submitted in g
# raw_output_value = output_buffer.getvalue()
# output_value = raw_output_value.strip()
if expected_output in user_answer:
success = False
err = "Incorrect Answer: Please avoid printing the expected output directly"
elif self.output_value == expected_output:
success = True
err = "Correct answer"
else:
success = False
err = "Incorrect Answer"
del tb
return success, err
|
