def setUp(self):
self.save_signals = SaveSignals()
self.save_signals.save()
if verbose:
# just to make the test output a little more readable
print()
self.stdscr = curses.initscr()
curses.savetty()
def setUp(self):
self.isatty = True
self.output = sys.__stdout__
stdout_fd = sys.__stdout__.fileno()
if not sys.__stdout__.isatty():
# initstr() unconditionally uses C stdout.
# If it is redirected to file or pipe, try to attach it
# to terminal.
# First, save a copy of the file descriptor of stdout, so it
# can be restored after finishing the test.
dup_fd = os.dup(stdout_fd)
self.addCleanup(os.close, dup_fd)
self.addCleanup(os.dup2, dup_fd, stdout_fd)
if sys.__stderr__.isatty():
# If stderr is connected to terminal, use it.
tmp = sys.__stderr__
self.output = sys.__stderr__
else:
try:
# Try to open the terminal device.
tmp = open('/dev/tty', 'wb', buffering=0)
except OSError:
# As a fallback, use regular file to write control codes.
# Some functions (like savetty) will not work, but at
# least the garbage control sequences will not be mixed
# with the testing report.
tmp = tempfile.TemporaryFile(mode='wb', buffering=0)
self.isatty = False
self.addCleanup(tmp.close)
self.output = None
os.dup2(tmp.fileno(), stdout_fd)
self.save_signals = SaveSignals()
self.save_signals.save()
self.addCleanup(self.save_signals.restore)
if verbose and self.output is not None:
# just to make the test output a little more readable
sys.stderr.flush()
sys.stdout.flush()
print(file=self.output, flush=True)
self.stdscr = curses.initscr()
if self.isatty:
curses.savetty()
self.addCleanup(curses.endwin)
self.addCleanup(curses.resetty)
self.stdscr.erase()