Mercurial > hg
changeset 30334:19d8e19fde5b
py3: document why os.fsencode() can be used to get back bytes argv
And a possible Windows issue. I'm sad we have to do such ugly hack, but
that's the unicode on Python 3.
| author | Yuya Nishihara <yuya@tcha.org> |
|---|---|
| date | Wed, 09 Nov 2016 22:06:09 +0900 |
| parents | 776a6d29b2cc |
| children | 7d91a085ebe6 |
| files | mercurial/pycompat.py |
| diffstat | 1 files changed, 8 insertions(+), 0 deletions(-) [+] |
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--- a/mercurial/pycompat.py Wed Nov 09 22:15:51 2016 +0900 +++ b/mercurial/pycompat.py Wed Nov 09 22:06:09 2016 +0900 @@ -43,6 +43,14 @@ osname = os.name.encode('ascii') ospathsep = os.pathsep.encode('ascii') ossep = os.sep.encode('ascii') + + # Since Python 3 converts argv to wchar_t type by Py_DecodeLocale() on Unix, + # we can use os.fsencode() to get back bytes argv. + # + # https://hg.python.org/cpython/file/v3.5.1/Programs/python.c#l55 + # + # TODO: On Windows, the native argv is wchar_t, so we'll need a different + # workaround to simulate the Python 2 (i.e. ANSI Win32 API) behavior. sysargv = list(map(os.fsencode, sys.argv)) def sysstr(s):