Mercurial > cpython-lru_cache-weakref

annotate Modules/tkinter.h @ 87690:66c1c9f32567 default tip

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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 06b64178a30d
children
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1 #ifndef TKINTER_H
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2 #define TKINTER_H
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3
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4 /* This header is used to share some macros between _tkinter.c and
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5 * tkappinit.c.
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6 * Be sure to include tk.h before including this header so
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7 * TK_VERSION_HEX is properly defined. */
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8
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9 /* TK_RELEASE_LEVEL is always one of the following:
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10 * TCL_ALPHA_RELEASE 0
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11 * TCL_BETA_RELEASE 1
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12 * TCL_FINAL_RELEASE 2
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13 */
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14 #define TK_VERSION_HEX ((TK_MAJOR_VERSION << 24) | \
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15 (TK_MINOR_VERSION << 16) | \
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16 (TK_RELEASE_SERIAL << 8) | \
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17 (TK_RELEASE_LEVEL << 0))
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18
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19 /* Protect Tk 8.4.13 and older from a deadlock that happens when trying
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20 * to load tk after a failed attempt. */
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21 #if TK_VERSION_HEX < 0x08040e02
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22 #define TKINTER_PROTECT_LOADTK
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23 #define TKINTER_LOADTK_ERRMSG \
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24 "Calling Tk_Init again after a previous call failed might deadlock"
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25 #endif
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26
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27 #endif /* !TKINTER_H */