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 7e0e15d9957f
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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2 /* Token types */
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3 #ifndef Py_LIMITED_API
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4 #ifndef Py_TOKEN_H
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5 #define Py_TOKEN_H
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6 #ifdef __cplusplus
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7 extern "C" {
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8 #endif
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9
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10 #undef TILDE /* Prevent clash of our definition with system macro. Ex AIX, ioctl.h */
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12 #define ENDMARKER 0
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13 #define NAME 1
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14 #define NUMBER 2
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15 #define STRING 3
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16 #define NEWLINE 4
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17 #define INDENT 5
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18 #define DEDENT 6
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19 #define LPAR 7
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20 #define RPAR 8
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21 #define LSQB 9
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22 #define RSQB 10
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23 #define COLON 11
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24 #define COMMA 12
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25 #define SEMI 13
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26 #define PLUS 14
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27 #define MINUS 15
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28 #define STAR 16
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29 #define SLASH 17
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30 #define VBAR 18
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31 #define AMPER 19
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32 #define LESS 20
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33 #define GREATER 21
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34 #define EQUAL 22
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35 #define DOT 23
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36 #define PERCENT 24
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37 #define LBRACE 25
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38 #define RBRACE 26
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39 #define EQEQUAL 27
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40 #define NOTEQUAL 28
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41 #define LESSEQUAL 29
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42 #define GREATEREQUAL 30
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43 #define TILDE 31
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44 #define CIRCUMFLEX 32
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45 #define LEFTSHIFT 33
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46 #define RIGHTSHIFT 34
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47 #define DOUBLESTAR 35
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48 #define PLUSEQUAL 36
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49 #define MINEQUAL 37
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50 #define STAREQUAL 38
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51 #define SLASHEQUAL 39
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52 #define PERCENTEQUAL 40
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53 #define AMPEREQUAL 41
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54 #define VBAREQUAL 42
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55 #define CIRCUMFLEXEQUAL 43
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56 #define LEFTSHIFTEQUAL 44
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57 #define RIGHTSHIFTEQUAL 45
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58 #define DOUBLESTAREQUAL 46
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59 #define DOUBLESLASH 47
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60 #define DOUBLESLASHEQUAL 48
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61 #define AT 49
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62 #define RARROW 50
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63 #define ELLIPSIS 51
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64 /* Don't forget to update the table _PyParser_TokenNames in tokenizer.c! */
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65 #define OP 52
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66 #define ERRORTOKEN 53
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67 #define N_TOKENS 54
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68
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69 /* Special definitions for cooperation with parser */
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70
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71 #define NT_OFFSET 256
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72
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73 #define ISTERMINAL(x) ((x) < NT_OFFSET)
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74 #define ISNONTERMINAL(x) ((x) >= NT_OFFSET)
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75 #define ISEOF(x) ((x) == ENDMARKER)
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77
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78 PyAPI_DATA(const char *) _PyParser_TokenNames[]; /* Token names */
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79 PyAPI_FUNC(int) PyToken_OneChar(int);
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80 PyAPI_FUNC(int) PyToken_TwoChars(int, int);
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81 PyAPI_FUNC(int) PyToken_ThreeChars(int, int, int);
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83 #ifdef __cplusplus
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84 }
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85 #endif
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86 #endif /* !Py_TOKEN_H */
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87 #endif /* Py_LIMITED_API */