Message 105804 - Python tracker

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In-reply-to
Author	vstinner
Recipients	vstinner
Date	2010年05月15日.12:39:03
SpamBayes Score	8.612479e-06
Marked as misclassified	No
Message-id	<1273927146.76.0.292282765786.issue8725@psf.upfronthosting.co.za>

Content
I introduced initfsencoding() in #8610 to ensure that Py_FileSystemEncoding is not more NULL. In the discussion, Marc Lemburg noticed that falling back the UTF-8 on nl_langinfo(CODESET) error is a bad idea: ASCII is better (I agree). We cannot fall back to ASCII yet because there are two other problems that have to be fixed before that: - Python3 doesn't support surrogates in module filenames: see #8611 - If Py_FileSystemEncoding is NULL, encoding functions fallback to utf-8 (PyUnicode_GetDefaultEncoding()). #8715 proposes a new PyUnicode_EncodeFSDefault() function to fix this problem Attached patch is a partial fix for this issue.

Content

I introduced initfsencoding() in #8610 to ensure that Py_FileSystemEncoding is not more NULL. In the discussion, Marc Lemburg noticed that falling back the UTF-8 on nl_langinfo(CODESET) error is a bad idea: ASCII is better (I agree).
We cannot fall back to ASCII yet because there are two other problems that have to be fixed before that:
 - Python3 doesn't support surrogates in module filenames: see #8611
 - If Py_FileSystemEncoding is NULL, encoding functions fallback to utf-8 (PyUnicode_GetDefaultEncoding()). #8715 proposes a new PyUnicode_EncodeFSDefault() function to fix this problem
Attached patch is a partial fix for this issue.

History
Date	User	Action	Args
2010年05月15日 12:39:07	vstinner	set	recipients: + vstinner
2010年05月15日 12:39:06	vstinner	set	messageid: <1273927146.76.0.292282765786.issue8725@psf.upfronthosting.co.za>
2010年05月15日 12:39:05	vstinner	link	issue8725 messages
2010年05月15日 12:39:04	vstinner	create

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