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#!/usr/bin/env python
import traceback
import os
from os.path import join, isfile
import subprocess
import re
import importlib
# local imports
from test_code import TestCode
from registry import registry
class EvaluateScilab(TestCode):
"""Tests the Scilab code obtained from Code Server"""
# def evaluate_scilab_code(self):
def evaluate_code(self):
submit_path = self.create_submit_code_file('function.sci')
ref_path, test_case_path = self.set_test_code_file_path()
success = False
cmd = 'printf "lines(0)\nexec(\'{0}\',2);\nquit();"'.format(ref_path)
cmd += ' | timeout 8 scilab-cli -nb'
ret = self.run_command(cmd,
shell=True,
stdout=subprocess.PIPE,
stderr=subprocess.PIPE)
proc, stdout, stderr = ret
# Get only the error.
stderr = self._get_error(stdout)
if stderr is None:
# Clean output
stdout = self._strip_output(stdout)
if proc.returncode == 5:
success, err = True, "Correct answer"
else:
err = add_err + stdout
else:
err = add_err + stderr
# Delete the created file.
os.remove(submit_path)
return success, err
# Private Protocol
def _remove_scilab_exit(self, string):
"""
Removes exit, quit and abort from the scilab code
"""
new_string = ""
i=0
for line in string.splitlines():
new_line = re.sub(r"exit.*$","",line)
new_line = re.sub(r"quit.*$","",new_line)
new_line = re.sub(r"abort.*$","",new_line)
if line != new_line:
i=i+1
new_string = new_string +'\n'+ new_line
return new_string, i
def _get_error(self, string):
"""
Fetches only the error from the string.
Returns None if no error.
"""
obj = re.search("!.+\n.+",string);
if obj:
return obj.group()
return None
def _strip_output(self, out):
"""
Cleans whitespace from the output
"""
strip_out = "Message"
for l in out.split('\n'):
if l.strip():
strip_out = strip_out+"\n"+l.strip()
return strip_out
registry.register('scilab', EvaluateScilab)
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