def run(self, entry_point, args, expected):
exe = compile(entry_point)
from rpython.translator.sandbox.sandlib import SimpleIOSandboxedProc
proc = SimpleIOSandboxedProc([exe] + args)
output, error = proc.communicate()
assert error == ''
assert output == expected
def test_simpleio():
def entry_point(argv):
print "Please enter a number:"
buf = ""
while True:
t = os.read(0, 1) # 1 character from stdin
if not t:
raise EOFError
if t == '\n':
break
buf += t
num = int(buf)
print "The double is:", num * 2
return 0
exe = compile(entry_point)
proc = SimpleIOSandboxedProc([exe, 'x1', 'y2'])
output, error = proc.communicate("21\n")
assert output == "Please enter a number:\nThe double is: 42\n"
assert error == ""
def test_simpleio():
def entry_point(argv):
print "Please enter a number:"
buf = ""
while True:
t = os.read(0, 1) # 1 character from stdin
if not t:
raise EOFError
if t == '\n':
break
buf += t
num = int(buf)
print "The double is:", num * 2
return 0
exe = compile(entry_point)
proc = SimpleIOSandboxedProc([exe, 'x1', 'y2'])
output, error = proc.communicate("21\n")
assert output == "Please enter a number:\nThe double is: 42\n"
assert error == ""
#! /usr/bin/env python
"""Interacts with a subprocess translated with --sandbox.
The subprocess is only allowed to use stdin/stdout/stderr.
Usage:
interact.py <executable> <args...>
"""
import sys
from rpython.translator.sandbox.sandlib import SimpleIOSandboxedProc
if __name__ == '__main__':
if len(sys.argv) < 2:
print >> sys.stderr, __doc__
sys.exit(2)
SimpleIOSandboxedProc(sys.argv[1:]).interact()