diff options
Diffstat (limited to 'blessings/__init__.py')
| -rw-r--r-- | blessings/__init__.py | 15 |
1 files changed, 12 insertions, 3 deletions
diff --git a/blessings/__init__.py b/blessings/__init__.py index be71d0b..333d68e 100644 --- a/blessings/__init__.py +++ b/blessings/__init__.py @@ -2,6 +2,12 @@ from collections import defaultdict import curses from curses import tigetstr, setupterm, tparm from fcntl import ioctl +try: + from io import UnsupportedOperation as IOUnsupportedOperation +except ImportError: + class IOUnsupportedOperation(Exception): + """A dummy exception to take the place of Python 3's io.UnsupportedOperation one in Python 2""" + pass from os import isatty, environ import struct import sys @@ -59,9 +65,12 @@ class Terminal(object): """ if stream is None: stream = sys.__stdout__ - stream_descriptor = (stream.fileno() if hasattr(stream, 'fileno') - and callable(stream.fileno) - else None) + try: + stream_descriptor = (stream.fileno() if hasattr(stream, 'fileno') + and callable(stream.fileno) + else None) + except IOUnsupportedOperation: + stream_descriptor = None self.is_a_tty = stream_descriptor is not None and isatty(stream_descriptor) if self.is_a_tty or force_styling: # The desciptor to direct terminal initialization sequences to. |