sandbox_wapper.py

import sys, shutil, os, tempfile
from cStringIO import StringIO

TIMEOUT = 5

# SANDBOX_BIN = '/usr/bin/pypy-sandbox'
SANDBOX_BIN = '/home/ubuntu/pypy/pypy/goal/pypy-c'  # update this for you

sys.path = [ '/home/ubuntu/pypy'] + sys.path

# import pypy now that it's added to the path
from pypy.sandbox import pypy_interact

def exec_sandbox(code):
    try:
        #tmpdir = tempfile.mkdtemp()
        #tmpscript = open(os.path.join(tmpdir, "script.py"),'w') # script.py is the name of the code passed in
        #tmpscript.write(code)
        #tmpscript.close()
        sandproc = pypy_interact.PyPySandboxedProc(
            SANDBOX_BIN,
            ['-c', code] # un comment this and comment the next line if you want to run code directly
            #['/tmp/script.py','--timeout',str(TIMEOUT),],
           #tmpdir # this is dir we jsut made that will become /tmp in the sandbox
        )
        try:
            code_output = StringIO()
            code_log = StringIO()
            sandproc.interact(stdout=code_output, stderr=code_log)
            return code_output.getvalue(), code_log.getvalue()
        except Exception, e:
            sandproc.kill()
        finally:
            sandproc.kill()

        shutil.rmtree(tmpdir)
    except Exception, e:
        pass
    return 'Error, could not evaluate', e

code = '''
print 'Hi there!'

1/0 # watch for the line number!

# Next, try to list the system files and write to one.
'''
out, err = exec_sandbox(code)
print '=' *10
print 'OUTPUT\n%s' % out
print '=' *10
print 'ERRORS\n%s' % err

setup.md

$ hg clone https://bitbucket.org/pypy/pypy
$ cd pypy/pypy
$ pypy ../../rpython/bin/rpython -O2 --sandbox targetpypystandalone  

z

==========
OUTPUT
Hi there!

==========
ERRORS
Traceback (most recent call last):
  File "app_main.py", line 53, in run_toplevel
  File "/tmp/script.py", line 4, in <module>
    1/0 # watch for the line number!
ZeroDivisionError: integer division by zero
[Subprocess exit code: 1]