Mercurial > hg-stable
changeset 36462:1ca4e86c7265
util: handle fileno() on Python 3 throwing io.UnsupportedOperation
Fortunately, the exception exists on Python 2 so we don't have to do
something weirder than this.
Differential Revision: https://phab.mercurial-scm.org/D2450
| author | Augie Fackler <augie@google.com> |
|---|---|
| date | Mon, 26 Feb 2018 00:51:41 -0500 |
| parents | ec43960b03e8 |
| children | 433cfad4bc46 |
| files | mercurial/util.py |
| diffstat | 1 files changed, 5 insertions(+), 1 deletions(-) [+] |
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--- a/mercurial/util.py Mon Feb 26 00:50:57 2018 -0500 +++ b/mercurial/util.py Mon Feb 26 00:51:41 2018 -0500 @@ -26,6 +26,7 @@ import gc import hashlib import imp +import io import itertools import mmap import os @@ -1178,7 +1179,10 @@ def _isstdout(f): fileno = getattr(f, 'fileno', None) - return fileno and fileno() == sys.__stdout__.fileno() + try: + return fileno and fileno() == sys.__stdout__.fileno() + except io.UnsupportedOperation: + return False # fileno() raised UnsupportedOperation def shellenviron(environ=None): """return environ with optional override, useful for shelling out"""