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Created on 2007-08-08 19:51 by vstinner, last changed 2022-04-11 14:56 by admin. This issue is now closed.
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| File name | Uploaded | Description | Edit | |
| py3k-struni-ctypes.diff | vstinner, 2007-08-08 19:51 | c_get calls PyBytes_FromStringAndSize() and not PyUnicode_FromStringAndSize() | ||
| Messages (2) | |||
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| msg53012 - (view) | Author: STINNER Victor (vstinner) *  |
Date: 2007-08-08 19:51 | |
Hi,
I hear Guido's request to fix last py3k-struni bugs. I downloaded subversion trunk and started to work on ctypes tests.
The problem is that ctypes c_char (and c_char_p) creates unicode string instead of byte string. I attached a proposition (patch) to change this behaviour (use bytes for c_char).
So in next example, it will display 'bytes' and not 'str':
from ctypes import c_buffer, c_char
buf = c_buffer("abcdef")
print (type(buf[0]))
Other behaviour changes:
- repr(c_char) adds a "b". Eg. repr(c_char('x')) is "c_char(b'x')" instead of "c_char('x')"
- bytes is mutable whereas str is not: this may break some modules based on ctypes
Victor Stinner aka haypo
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| msg53013 - (view) | Author: STINNER Victor (vstinner) * |
Date: 2007-08-08 19:54 | |
Ooops, Thomas Heller already commited it (r56838). |
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| History | |||
|---|---|---|---|
| Date | User | Action | Args |
| 2022-04-11 14:56:25 | admin | set | github: 45290 |
| 2008-01-06 22:29:45 | admin | set | keywords:
- py3k versions: + Python 3.0 |
| 2007-08-08 19:51:12 | vstinner | create | |