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#!/usr/bin/env python
from __future__ import unicode_literals
import subprocess
import os
from os.path import isfile
#local imports
from .stdio_evaluator import StdIOEvaluator
from .file_utils import copy_files, delete_files
class BashStdIOEvaluator(StdIOEvaluator):
"""Evaluates Bash StdIO based code"""
def __init__(self, metadata, test_case_data):
self.files = []
# Set metadata values
self.user_answer = metadata.get('user_answer')
self.file_paths = metadata.get('file_paths')
self.partial_grading = metadata.get('partial_grading')
# Set test case data values
self.expected_input = test_case_data.get('expected_input')
self.expected_output = test_case_data.get('expected_output')
self.weight = test_case_data.get('weight')
def teardown(self):
os.remove(self.submit_code_path)
if self.files:
delete_files(self.files)
def compile_code(self):
self.submit_code_path = self.create_submit_code_file('Test.sh')
if self.file_paths:
self.files = copy_files(self.file_paths)
if not isfile(self.submit_code_path):
msg = "No file at %s or Incorrect path" % self.submit_code_path
return False, msg
user_code_directory = os.getcwd() + '/'
self.user_answer = self.user_answer.replace("\r", "")
self.write_to_submit_code_file(self.submit_code_path, self.user_answer)
def check_code(self):
success = False
mark_fraction = 0.0
self.expected_input = str(self.expected_input).replace('\r', '')
proc = subprocess.Popen("bash ./Test.sh",
shell=True,
stdin=subprocess.PIPE,
stdout=subprocess.PIPE,
stderr=subprocess.PIPE
)
success, err = self.evaluate_stdio(self.user_answer, proc,
self.expected_input,
self.expected_output
)
mark_fraction = float(self.weight) if self.partial_grading and success else 0.0
return success, err, mark_fraction
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