Mercurial > cpython-lru_cache-weakref

annotate Modules/_sqlite/cache.h @ 58664:993f703a61ba

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Merged revisions 77484,77487,77561,77570,77593,77603,77608,77667,77702-77703,77739,77858,77887,77889 via svnmerge from svn+ssh://pythondev@svn.python.org/python/trunk ........ r77484 | skip.montanaro | 2010-01-13 19:12:34 -0600 (Wed, 13 Jan 2010) | 4 lines Update PyEval_EvalFrame to PyEval_EvalFrameEx. This looks to have been done partially before. Also add a comment describing how this might have to work with different versions of the interpreter. ........ r77487 | ezio.melotti | 2010-01-14 05:34:10 -0600 (Thu, 14 Jan 2010) | 1 line Fixed typo ........ r77561 | georg.brandl | 2010-01-17 02:42:30 -0600 (Sun, 17 Jan 2010) | 1 line #7699: improve datetime docs: straightforward linking to strftime/strptime section, mark classmethods as such. ........ r77570 | georg.brandl | 2010-01-17 06:14:42 -0600 (Sun, 17 Jan 2010) | 1 line Add note about usage of STRINGLIB_EMPTY. ........ r77593 | georg.brandl | 2010-01-17 17:33:53 -0600 (Sun, 17 Jan 2010) | 1 line Fix internal reference. ........ r77603 | benjamin.peterson | 2010-01-18 17:07:56 -0600 (Mon, 18 Jan 2010) | 8 lines data descriptors do not override the class dictionary if __get__ is not defined Adjust documentation and add a test to verify this behavior. See http://mail.python.org/pipermail/python-dev/2010-January/095637.html for discussion. ........ r77608 | gregory.p.smith | 2010-01-19 02:19:03 -0600 (Tue, 19 Jan 2010) | 6 lines Do not compile stubs for the sha2 series hashes in the openssl hashlib module when the openssl version is too old to support them. That leads both compiled code bloat and to unittests attempting to test implementations that don't exist for comparison purposes on such platforms. ........ r77667 | mark.dickinson | 2010-01-21 12:32:27 -0600 (Thu, 21 Jan 2010) | 1 line Add two more test_strtod test values. ........ r77702 | georg.brandl | 2010-01-23 02:43:31 -0600 (Sat, 23 Jan 2010) | 1 line #7762: fix refcount annotation of PyUnicode_Tailmatch(). ........ r77703 | georg.brandl | 2010-01-23 02:47:54 -0600 (Sat, 23 Jan 2010) | 1 line #7725: fix referencing issue. ........ r77739 | benjamin.peterson | 2010-01-24 21:52:52 -0600 (Sun, 24 Jan 2010) | 1 line mention from_float() in error message ........ r77858 | georg.brandl | 2010-01-30 11:57:48 -0600 (Sat, 30 Jan 2010) | 1 line #7802: fix invalid example (heh). ........ r77887 | georg.brandl | 2010-01-31 12:51:49 -0600 (Sun, 31 Jan 2010) | 5 lines Fix-up ftplib documentation: move exception descriptions to toplevel, not inside a class remove attribution in "versionadded" spell and grammar check docstring of FTP_TLS ........ r77889 | michael.foord | 2010-01-31 13:59:26 -0600 (Sun, 31 Jan 2010) | 1 line Minor modification to unittest documentation. ........
author Benjamin Peterson <benjamin@python.org>
date Wed, 03 Feb 2010 02:35:45 +0000
parents e06e08e8fdce
children 04d3ae52ff73
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1 /* cache.h - definitions for the LRU cache
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2 *
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3 * Copyright (C) 2004-2007 Gerhard Häring <gh@ghaering.de>
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4 *
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5 * This file is part of pysqlite.
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6 *
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7 * This software is provided 'as-is', without any express or implied
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8 * warranty. In no event will the authors be held liable for any damages
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9 * arising from the use of this software.
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10 *
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11 * Permission is granted to anyone to use this software for any purpose,
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12 * including commercial applications, and to alter it and redistribute it
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13 * freely, subject to the following restrictions:
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14 *
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15 * 1. The origin of this software must not be misrepresented; you must not
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16 * claim that you wrote the original software. If you use this software
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17 * in a product, an acknowledgment in the product documentation would be
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18 * appreciated but is not required.
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19 * 2. Altered source versions must be plainly marked as such, and must not be
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20 * misrepresented as being the original software.
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21 * 3. This notice may not be removed or altered from any source distribution.
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22 */
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23
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24 #ifndef PYSQLITE_CACHE_H
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25 #define PYSQLITE_CACHE_H
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26 #include "Python.h"
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27
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28 /* The LRU cache is implemented as a combination of a doubly-linked with a
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29 * dictionary. The list items are of type 'Node' and the dictionary has the
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30 * nodes as values. */
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31
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32 typedef struct _pysqlite_Node
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33 {
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34 PyObject_HEAD
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35 PyObject* key;
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36 PyObject* data;
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37 long count;
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38 struct _pysqlite_Node* prev;
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39 struct _pysqlite_Node* next;
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40 } pysqlite_Node;
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41
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42 typedef struct
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43 {
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44 PyObject_HEAD
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45 int size;
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46
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47 /* a dictionary mapping keys to Node entries */
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48 PyObject* mapping;
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49
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50 /* the factory callable */
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51 PyObject* factory;
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52
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53 pysqlite_Node* first;
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54 pysqlite_Node* last;
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55
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56 /* if set, decrement the factory function when the Cache is deallocated.
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57 * this is almost always desirable, but not in the pysqlite context */
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58 int decref_factory;
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59 } pysqlite_Cache;
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61 extern PyTypeObject pysqlite_NodeType;
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62 extern PyTypeObject pysqlite_CacheType;
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64 int pysqlite_node_init(pysqlite_Node* self, PyObject* args, PyObject* kwargs);
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65 void pysqlite_node_dealloc(pysqlite_Node* self);
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67 int pysqlite_cache_init(pysqlite_Cache* self, PyObject* args, PyObject* kwargs);
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68 void pysqlite_cache_dealloc(pysqlite_Cache* self);
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69 PyObject* pysqlite_cache_get(pysqlite_Cache* self, PyObject* args);
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71 int pysqlite_cache_setup_types(void);
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72
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73 #endif