def testBatch(self):
"It must be possible to read from a file using the batch method"
infp = StringIO('3\n4\n+\np\n')
outfp = StringIO()
c = Calculator(outfp=outfp)
c.batch(infp)
self.assertEqual('7\n', outfp.getvalue())
debug=args.debug)
if args.startupFile:
try:
with open(args.startupFile) as f:
exec(f.read(), globals(), calc._variables)
except FileNotFoundError:
calc.err('Startup file %s not found' % args.startupFile)
interactive = setupReadline()
if args.files:
if all(os.path.exists(f) or f == '-' for f in args.files):
# All arguments are existing files (or are '-', for stdin).
for filename in args.files:
if filename == '-':
calc.repl(args.prompt)
else:
with open(filename) as fp:
calc.batch(fp, False)
else:
# Execute the command line as a set of commands, following
# great suggestion by David Pattinson.
calc.batch((' '.join(args.files), ), args.finalPrint)
if args.stdin:
calc.repl(args.prompt)
elif interactive:
calc.repl(args.prompt)
else:
calc.batch(sys.stdin, args.finalPrint)
