Mercurial > hg
annotate setup_osutil_cffi.py @ 29799:45fa8de47a0f
py3: provide (del|get|has|set)attr wrappers that accepts bytes
These functions will be imported automagically by our code transformer.
getattr() and setattr() are widely used in our code. We wouldn't probably
want to rewrite every single call of getattr/setattr. delattr() and hasattr()
aren't that important, but they are functions of the same kind.
author | Yuya Nishihara <yuya@tcha.org> |
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date | Sun, 14 Aug 2016 12:51:21 +0900 |
parents | 7a157639b8f2 |
children | a043c6d372db |
rev | line source |
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1 from __future__ import absolute_import |
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2 |
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3 import cffi |
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4 |
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5 ffi = cffi.FFI() |
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6 ffi.set_source("_osutil_cffi", """ |
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7 #include <sys/attr.h> |
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8 #include <sys/vnode.h> |
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9 #include <unistd.h> |
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10 #include <fcntl.h> |
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11 #include <time.h> |
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12 |
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13 typedef struct val_attrs { |
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14 uint32_t length; |
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15 attribute_set_t returned; |
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16 attrreference_t name_info; |
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17 fsobj_type_t obj_type; |
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18 struct timespec mtime; |
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19 uint32_t accessmask; |
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20 off_t datalength; |
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21 } __attribute__((aligned(4), packed)) val_attrs_t; |
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22 """, include_dirs=['mercurial']) |
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23 ffi.cdef(''' |
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24 |
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25 typedef uint32_t attrgroup_t; |
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26 |
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27 typedef struct attrlist { |
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28 uint16_t bitmapcount; /* number of attr. bit sets in list */ |
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29 uint16_t reserved; /* (to maintain 4-byte alignment) */ |
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30 attrgroup_t commonattr; /* common attribute group */ |
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31 attrgroup_t volattr; /* volume attribute group */ |
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32 attrgroup_t dirattr; /* directory attribute group */ |
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33 attrgroup_t fileattr; /* file attribute group */ |
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34 attrgroup_t forkattr; /* fork attribute group */ |
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35 ...; |
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36 }; |
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37 |
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38 typedef struct attribute_set { |
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39 ...; |
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40 } attribute_set_t; |
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41 |
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42 typedef struct attrreference { |
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43 int attr_dataoffset; |
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44 int attr_length; |
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45 ...; |
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46 } attrreference_t; |
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47 |
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48 typedef struct val_attrs { |
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49 uint32_t length; |
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50 attribute_set_t returned; |
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51 attrreference_t name_info; |
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52 uint32_t obj_type; |
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53 struct timespec mtime; |
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54 uint32_t accessmask; |
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55 int datalength; |
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56 ...; |
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57 } val_attrs_t; |
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58 |
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59 /* the exact layout of the above struct will be figured out during build time */ |
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60 |
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61 typedef int ... time_t; |
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62 typedef int ... off_t; |
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63 |
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64 typedef struct timespec { |
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65 time_t tv_sec; |
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66 ...; |
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67 }; |
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68 |
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69 int getattrlist(const char* path, struct attrlist * attrList, void * attrBuf, |
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70 size_t attrBufSize, unsigned int options); |
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71 |
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72 int getattrlistbulk(int dirfd, struct attrlist * attrList, void * attrBuf, |
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73 size_t attrBufSize, uint64_t options); |
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74 |
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75 #define ATTR_BIT_MAP_COUNT ... |
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76 #define ATTR_CMN_NAME ... |
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77 #define ATTR_CMN_OBJTYPE ... |
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78 #define ATTR_CMN_MODTIME ... |
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79 #define ATTR_CMN_ACCESSMASK ... |
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80 #define ATTR_CMN_ERROR ... |
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81 #define ATTR_CMN_RETURNED_ATTRS ... |
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82 #define ATTR_FILE_DATALENGTH ... |
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83 |
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84 #define VREG ... |
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85 #define VDIR ... |
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86 #define VLNK ... |
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87 #define VBLK ... |
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88 #define VCHR ... |
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89 #define VFIFO ... |
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90 #define VSOCK ... |
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91 |
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92 #define S_IFMT ... |
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93 |
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94 int open(const char *path, int oflag, int perm); |
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95 int close(int); |
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96 |
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97 #define O_RDONLY ... |
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98 ''') |
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99 |
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100 if __name__ == '__main__': |
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101 ffi.compile() |