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-rw-r--r--yaksh/cpp_code_evaluator.py148
1 files changed, 80 insertions, 68 deletions
diff --git a/yaksh/cpp_code_evaluator.py b/yaksh/cpp_code_evaluator.py
index becf371..b869442 100644
--- a/yaksh/cpp_code_evaluator.py
+++ b/yaksh/cpp_code_evaluator.py
@@ -43,91 +43,103 @@ class CppCodeEvaluator(CodeEvaluator):
return None
else:
ref_code_path = test_case
- clean_ref_code_path, clean_test_case_path = self._set_test_code_file_path(ref_code_path)
+ clean_ref_code_path, clean_test_case_path = \
+ self._set_test_code_file_path(ref_code_path)
if not isfile(clean_ref_code_path):
- return False, "No file at %s or Incorrect path" % clean_ref_code_path
+ msg = "No file at %s or Incorrect path" % clean_ref_code_path
+ return False, msg
if not isfile(self.submit_code_path):
- return False, 'No file at %s or Incorrect path' % self.submit_code_path
+ msg = "No file at %s or Incorrect path" % self.submit_code_path
+ return False, msg
self.write_to_submit_code_file(self.submit_code_path, user_answer)
self.user_output_path, self.ref_output_path = self.set_file_paths()
- self.compile_command, self.compile_main = self.get_commands(clean_ref_code_path, self.user_output_path, self.ref_output_path)
- self.compiled_user_answer = self._run_command(self.compile_command,
- shell=True,
- stdout=subprocess.PIPE,
- stderr=subprocess.PIPE)
-
- self.compiled_test_code = self._run_command(self.compile_main,
- shell=True,
- stdout=subprocess.PIPE,
- stderr=subprocess.PIPE)
-
+ self.compile_command, self.compile_main = self.get_commands(
+ clean_ref_code_path,
+ self.user_output_path,
+ self.ref_output_path
+ )
+ self.compiled_user_answer = self._run_command(
+ self.compile_command,
+ shell=True,
+ stdout=subprocess.PIPE,
+ stderr=subprocess.PIPE
+ )
+
+ self.compiled_test_code = self._run_command(
+ self.compile_main,
+ shell=True,
+ stdout=subprocess.PIPE,
+ stderr=subprocess.PIPE
+ )
return self.compiled_user_answer, self.compiled_test_code
def check_code(self, user_answer, test_case):
- """ Function validates student code using instructor code as
- reference.The first argument ref_code_path, is the path to
- instructor code, it is assumed to have executable permission.
- The second argument submit_code_path, is the path to the student
- code, it is assumed to have executable permission.
-
- Returns
- --------
-
- returns (True, "Correct answer") : If the student function returns
- expected output when called by reference code.
-
- returns (False, error_msg): If the student function fails to return
- expected output when called by reference code.
-
- Returns (False, error_msg): If mandatory arguments are not files or
- if the required permissions are not given to the file(s).
-
- """
- success = False
- proc, stdnt_out, stdnt_stderr = self.compiled_user_answer
- stdnt_stderr = self._remove_null_substitute_char(stdnt_stderr)
-
- # Only if compilation is successful, the program is executed
- # And tested with testcases
- if stdnt_stderr == '':
- proc, main_out, main_err = self.compiled_test_code
- main_err = self._remove_null_substitute_char(main_err)
-
- if main_err == '':
- ret = self._run_command([self.ref_output_path], stdin=None,
- stdout=subprocess.PIPE,
- stderr=subprocess.PIPE)
- proc, stdout, stderr = ret
- if proc.returncode == 0:
- success, err = True, "Correct answer"
- else:
- err = stdout + "\n" + stderr
- os.remove(self.ref_output_path)
+ """ Function validates student code using instructor code as
+ reference.The first argument ref_code_path, is the path to
+ instructor code, it is assumed to have executable permission.
+ The second argument submit_code_path, is the path to the student
+ code, it is assumed to have executable permission.
+
+ Returns
+ --------
+
+ returns (True, "Correct answer") : If the student function returns
+ expected output when called by reference code.
+
+ returns (False, error_msg): If the student function fails to return
+ expected output when called by reference code.
+
+ Returns (False, error_msg): If mandatory arguments are not files or
+ if the required permissions are not given to the file(s).
+ """
+
+ success = False
+ proc, stdnt_out, stdnt_stderr = self.compiled_user_answer
+ stdnt_stderr = self._remove_null_substitute_char(stdnt_stderr)
+
+ # Only if compilation is successful, the program is executed
+ # And tested with testcases
+ if stdnt_stderr == '':
+ proc, main_out, main_err = self.compiled_test_code
+ main_err = self._remove_null_substitute_char(main_err)
+
+ if main_err == '':
+ ret = self._run_command([self.ref_output_path],
+ stdin=None,
+ stdout=subprocess.PIPE,
+ stderr=subprocess.PIPE
+ )
+ proc, stdout, stderr = ret
+ if proc.returncode == 0:
+ success, err = True, "Correct answer"
else:
- err = "Error:"
- try:
- error_lines = main_err.splitlines()
- for e in error_lines:
- if ':' in e:
- err = err + "\n" + e.split(":", 1)[1]
- else:
- err = err + "\n" + e
- except:
- err = err + "\n" + main_err
- os.remove(self.user_output_path)
+ err = stdout + "\n" + stderr
+ os.remove(self.ref_output_path)
else:
- err = "Compilation Error:"
+ err = "Error:"
try:
- error_lines = stdnt_stderr.splitlines()
+ error_lines = main_err.splitlines()
for e in error_lines:
if ':' in e:
err = err + "\n" + e.split(":", 1)[1]
else:
err = err + "\n" + e
except:
- err = err + "\n" + stdnt_stderr
+ err = err + "\n" + main_err
+ os.remove(self.user_output_path)
+ else:
+ err = "Compilation Error:"
+ try:
+ error_lines = stdnt_stderr.splitlines()
+ for e in error_lines:
+ if ':' in e:
+ err = err + "\n" + e.split(":", 1)[1]
+ else:
+ err = err + "\n" + e
+ except:
+ err = err + "\n" + stdnt_stderr
- return success, err
+ return success, err