Mercurial > cpython-lru_cache-weakref

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Add use_weakref option to functools.lru_cache The use_weakref option makes lru_cache create weak references to the function arguments when creating the cache key, which prevents them from staying in the memory forever even after all other references to them are gone. This is a proof of concept for http://bugs.python.org/issue19859
author Radomir Dopieralski <devel@sheep.art.pl>
date Tue, 03 Dec 2013 16:02:48 +0100
parents 0fc10a33eb4c
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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1 /* module.h - definitions for the module
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2 *
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3 * Copyright (C) 2004-2010 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_MODULE_H
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25 #define PYSQLITE_MODULE_H
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26 #include "Python.h"
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27
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28 #define PYSQLITE_VERSION "2.6.0"
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29
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30 extern PyObject* pysqlite_Error;
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31 extern PyObject* pysqlite_Warning;
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32 extern PyObject* pysqlite_InterfaceError;
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33 extern PyObject* pysqlite_DatabaseError;
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34 extern PyObject* pysqlite_InternalError;
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35 extern PyObject* pysqlite_OperationalError;
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36 extern PyObject* pysqlite_ProgrammingError;
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37 extern PyObject* pysqlite_IntegrityError;
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38 extern PyObject* pysqlite_DataError;
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39 extern PyObject* pysqlite_NotSupportedError;
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40
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41 /* the functions time.time() and time.sleep() */
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42 extern PyObject* time_time;
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43 extern PyObject* time_sleep;
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44
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45 /* A dictionary, mapping colum types (INTEGER, VARCHAR, etc.) to converter
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46 * functions, that convert the SQL value to the appropriate Python value.
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47 * The key is uppercase.
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48 */
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49 extern PyObject* converters;
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50
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51 extern int _enable_callback_tracebacks;
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52 extern int pysqlite_BaseTypeAdapted;
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53
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54 #define PARSE_DECLTYPES 1
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55 #define PARSE_COLNAMES 2
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56 #endif