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author | Georg Brandl <georg@python.org> | 2009-01-03 22:47:39 (GMT) |
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committer | Georg Brandl <georg@python.org> | 2009-01-03 22:47:39 (GMT) |
commit | 1f01debe6f94d7f178e14ee7417786461b724e96 (patch) | |
tree | f092e467dbf9846ec29f59e626f4d50eb1b2b8c1 /Doc/c-api/structures.rst | |
parent | 814a2ca9e4b6360f1de37ed3d8d8d4313ab333bc (diff) | |
download | cpython-1f01debe6f94d7f178e14ee7417786461b724e96.zip cpython-1f01debe6f94d7f178e14ee7417786461b724e96.tar.gz cpython-1f01debe6f94d7f178e14ee7417786461b724e96.tar.bz2 |
Merged revisions 68162,68166,68171,68176,68195-68196,68210,68232 via svnmerge from
svn+ssh://pythondev@svn.python.org/python/trunk
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r68162 | ronald.oussoren | 2009-01-02 16:06:00 +0100 (Fri, 02 Jan 2009) | 3 lines
Fix for issue 4472 is incompatible with Cygwin, this patch
should fix that.
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r68166 | benjamin.peterson | 2009-01-02 19:26:23 +0100 (Fri, 02 Jan 2009) | 1 line
document PyMemberDef
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r68171 | georg.brandl | 2009-01-02 21:25:14 +0100 (Fri, 02 Jan 2009) | 3 lines
#4811: fix markup glitches (mostly remains of the conversion),
found by Gabriel Genellina.
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r68176 | andrew.kuchling | 2009-01-02 22:00:35 +0100 (Fri, 02 Jan 2009) | 1 line
Add various items
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r68195 | georg.brandl | 2009-01-03 14:45:15 +0100 (Sat, 03 Jan 2009) | 2 lines
Remove useless string literal.
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r68196 | georg.brandl | 2009-01-03 15:29:53 +0100 (Sat, 03 Jan 2009) | 2 lines
Fix indentation.
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r68210 | georg.brandl | 2009-01-03 20:10:12 +0100 (Sat, 03 Jan 2009) | 2 lines
Set eol-style correctly for mp_distributing.py.
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r68232 | georg.brandl | 2009-01-03 22:52:16 +0100 (Sat, 03 Jan 2009) | 2 lines
Grammar fix.
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Diffstat (limited to 'Doc/c-api/structures.rst')
-rw-r--r-- | Doc/c-api/structures.rst | 61 |
1 files changed, 61 insertions, 0 deletions
diff --git a/Doc/c-api/structures.rst b/Doc/c-api/structures.rst index 04fe8f4..fdbd806 100644 --- a/Doc/c-api/structures.rst +++ b/Doc/c-api/structures.rst @@ -198,3 +198,64 @@ definition with the same method name. object and will co-exist with the slot. This is helpful because calls to PyCFunctions are optimized more than wrapper object calls. + +.. ctype:: PyMemberDef + + Structure which describes an attribute of a type which corresponds to a C + struct member. Its fields are: + + +------------------+-------------+-------------------------------+ + | Field | C Type | Meaning | + +==================+=============+===============================+ + | :attr:`name` | char \* | name of the member | + +------------------+-------------+-------------------------------+ + | :attr:`type` | int | the type of the member in the | + | | | C struct | + +------------------+-------------+-------------------------------+ + | :attr:`offset` | Py_ssize_t | the offset in bytes that the | + | | | member is located on the | + | | | type's object struct | + +------------------+-------------+-------------------------------+ + | :attr:`flags` | int | flag bits indicating if the | + | | | field should be read-only or | + | | | writable | + +------------------+-------------+-------------------------------+ + | :attr:`doc` | char \* | points to the contents of the | + | | | docstring | + +------------------+-------------+-------------------------------+ + + :attr:`type` can be one of many ``T_`` macros corresponding to various C + types. When the member is accessed in Python, it will be converted to the + equivalent Python type. + + =============== ================== + Macro name C type + =============== ================== + T_SHORT short + T_INT int + T_LONG long + T_FLOAT float + T_DOUBLE double + T_STRING char \* + T_OBJECT PyObject \* + T_OBJECT_EX PyObject \* + T_CHAR char + T_BYTE char + T_UNBYTE unsigned char + T_UINT unsigned int + T_USHORT unsigned short + T_ULONG unsigned long + T_BOOL char + T_LONGLONG long long + T_ULONGLONG unsigned long long + T_PYSSIZET Py_ssize_t + =============== ================== + + :cmacro:`T_OBJECT` and :cmacro:`T_OBJECT_EX` differ in that + :cmacro:`T_OBJECT` returns ``None`` if the member is *NULL* and + :cmacro:`T_OBJECT_EX` raises an :exc:`AttributeError`. + + :attr:`flags` can be 0 for write and read access or :cmacro:`READONLY` for + read-only access. Using :cmacro:`T_STRING` for :attr:`type` implies + :cmacro:`READONLY`. Only :cmacro:`T_OBJECT` and :cmacro:`T_OBJECT_EX` + members can be deleted. (They are set to *NULL*). |