New submission from Martin Panter:
$ python3 -c 'import codecs; from io import BytesIO;
codecs.getwriter("big5")(BytesIO()).reset()'
Segmentation fault (core dumped)
[Exit 139]
Happens for all the multibyte codecs:
broken_stream_codecs = {
"big5", "big5hkscs", "cp932", "cp949", "cp950",
"euc_jp", "euc_jis_2004", "euc_jisx0213", "euc_kr",
"gb2312", "gbk", "gb18030", "hz",
"iso2022_jp", "iso2022_jp_1", "iso2022_jp_2", "iso2022_jp_2004",
"iso2022_jp_3", "iso2022_jp_ext", "iso2022_kr",
"johab", "shift_jis", "shift_jis_2004", "shift_jisx0213",
}
These codecs also share the property that their StreamReader.read() methods do
not accept the second “chars” parameter:
>>> codecs.getreader("big5")(BytesIO()).read(1, 1)
Traceback (most recent call last):
File "<stdin>", line 1, in <module>
TypeError: read expected at most 1 arguments, got 2
----------
components: Unicode
messages: 234112
nosy: ezio.melotti, haypo, vadmium
priority: normal
severity: normal
status: open
title: Multibyte codec StreamWriter.reset() crashes
type: crash
versions: Python 3.4
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Python tracker <rep...@bugs.python.org>
<http://bugs.python.org/issue23247>
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