New submission from Xiang Zhang: In _io._IOBase.readlines, it straightly uses PyIter_Next(self). But iter(_io._IOBase) does more work than just returning itself.
>>> import _io >>> f = _io._IOBase() >>> f.close() >>> f.readlines() Traceback (most recent call last): File "<stdin>", line 1, in <module> ValueError: I/O operation on closed file. >>> f.readlines(10) Traceback (most recent call last): File "<stdin>", line 1, in <module> AttributeError: '_io._IOBase' object has no attribute 'read' ---------- components: IO messages: 291641 nosy: xiang.zhang priority: normal severity: normal stage: patch review status: open title: missing iter(self) in _io._IOBase.readlines type: behavior versions: Python 2.7, Python 3.5, Python 3.6, Python 3.7 _______________________________________ Python tracker <rep...@bugs.python.org> <http://bugs.python.org/issue30068> _______________________________________ _______________________________________________ Python-bugs-list mailing list Unsubscribe: https://mail.python.org/mailman/options/python-bugs-list/archive%40mail-archive.com
