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#!/usr/bin/env python
import sys
import traceback
import os
from os.path import join
import importlib
# local imports
from code_evaluator import CodeEvaluator, TimeoutException
class PythonCodeEvaluator(CodeEvaluator):
"""Tests the Python code obtained from Code Server"""
# def check_code(self, test, user_answer, ref_code_path):
def check_code(self, user_answer, test_cases):
success = False
try:
tb = None
submitted = compile(user_answer, '<string>', mode='exec')
g = {}
exec submitted in g
for test_code in test_cases:
_tests = compile(test_code, '<string>', mode='exec')
exec _tests in g
except AssertionError:
type, value, tb = sys.exc_info()
info = traceback.extract_tb(tb)
fname, lineno, func, text = info[-1]
text = str(test_code).splitlines()[lineno-1]
err = "{0} {1} in: {2}".format(type.__name__, str(value), text)
except TimeoutException:
raise
except Exception:
err = traceback.format_exc(limit=0)
else:
success = True
err = 'Correct answer'
del tb
return success, err
# def unpack_test_case_data(self, test_case_data):
# test_cases = []
# for t in test_case_data:
# test_case = t.get('test_case')
# test_cases.append(test_case)
# return test_cases
# def check_code(self):
# success = False
# try:
# tb = None
# test_code = self._create_test_case()
# submitted = compile(self.user_answer, '<string>', mode='exec')
# g = {}
# exec submitted in g
# _tests = compile(test_code, '<string>', mode='exec')
# exec _tests in g
# except AssertionError:
# type, value, tb = sys.exc_info()
# info = traceback.extract_tb(tb)
# fname, lineno, func, text = info[-1]
# text = str(test_code).splitlines()[lineno-1]
# err = "{0} {1} in: {2}".format(type.__name__, str(value), text)
# else:
# success = True
# err = 'Correct answer'
# del tb
# return success, err
# def _create_test_case(self):
# """
# Create assert based test cases in python
# """
# test_code = ""
# if self.test:
# return self.test
# elif self.test_case_data:
# for test_case in self.test_case_data:
# pos_args = ", ".join(str(i) for i in test_case.get('pos_args')) \
# if test_case.get('pos_args') else ""
# kw_args = ", ".join(str(k+"="+a) for k, a
# in test_case.get('kw_args').iteritems()) \
# if test_case.get('kw_args') else ""
# args = pos_args + ", " + kw_args if pos_args and kw_args \
# else pos_args or kw_args
# function_name = test_case.get('func_name')
# expected_answer = test_case.get('expected_answer')
# tcode = "assert {0}({1}) == {2}".format(function_name, args,
# expected_answer)
# test_code += tcode + "\n"
# return test_code
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