Execute Python Tutor Snippets

gistfile1.py

import sys
import urllib.parse
import re
import tempfile
import os

from subprocess import STDOUT,CalledProcessError,check_output

PATTERN_START = u".py?user_script="
PATTERN_END = u' HTTP/1.0" 200'


def createAndExecuteTempFile(content):
	fileTemp = tempfile.NamedTemporaryFile(mode='w+t',delete=False)
	name = fileTemp.name
	try:
		fileTemp.write(content)
		fileTemp.close()

		# stderr=STDOUT
		output = check_output(["C:/tools/python/python.exe", name],stderr=STDOUT, timeout=5)
		return output
	except CalledProcessError as e:
		print (e.returncode, e.output)
		return None
	finally:
		os.remove(name)

count = 0
fail = 0
timeout = 0
total = 0

if len(sys.argv) == 2:
	fileName = sys.argv[1];

	with open(fileName) as f:
		content = f.readlines()




		for line in content:
			
			scriptStart = line.index(PATTERN_START)
			scriptEnd = line.find(PATTERN_END)

			urlFragment = line[scriptStart:scriptEnd]
			try:

				parsed = urllib.parse.urlparse("/"+urlFragment)
				snippet = urllib.parse.parse_qs(parsed.query)['user_script'][0]
				#val = exec(snippet)

				output = createAndExecuteTempFile(snippet)
				if output == None:
					fail +=1
				else:
					count += 1

				#print (output)

			except:
				e = sys.exc_info()[0]
				print (e)				
				timeout +=1

			total += 1

			if total % 50 == 0:
				print ("Success",count, "fail", fail, "timeout",timeout)

		print ("Final: Success",count, "fail", fail, "timeout",timeout)