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comparison python/pydc/README.txt @ 7:4fd959b3df78

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- python binding readme clarifications
author cslag
date Sat, 26 Mar 2016 00:13:11 +0100
parents bf5625bb6f05
children 6493c9ed4b33
comparison
equal deleted inserted replaced
6:80273969f043 7:4fd959b3df78
2 (C) 2007-2016 Daniel Adler. 2 (C) 2007-2016 Daniel Adler.
3 Dec 4, 2007: initial 3 Dec 4, 2007: initial
4 Mar 22,2016: brought up to dyncall 0.9 4 Mar 22,2016: brought up to dyncall 0.9
5 5
6 6
7 INSTALLATION 7 BUILD/INSTALLATION
8 ------------ 8 ------------------
9 9
10 1) make sure dyncall is built and libraries/headers are in include paths or 10 1) make sure dyncall is built and libraries/headers are in include paths or
11 CFLAGS points to them, etc. 11 CFLAGS points to them, etc.
12 12
13 2) python setup.py install 13 2) Build and install this gem with:
14 python setup.py install
14 15
15 16
16 API 17 API
17 --- 18 ---
18 19
19 libhandle = load(libpath) 20 libhandle = load(libpath)
20 funcptr = find(libhandle, symbolname) 21 funcptr = find(libhandle, symbolname)
21 call(funcptr, signature, ...) 22 call(funcptr, signature, ...)
22 23
24
23 SIGNATURE FORMAT 25 SIGNATURE FORMAT
26 ----------------
24 27
25 is a formated string 28 is a formated string
26 29
27 format: "xxxxx)y" 30 format: "xxxxx)y"
28 31
39 'p' C: void* <- Python: PyCObject 42 'p' C: void* <- Python: PyCObject
40 'Z' C: const char* <- Python: PyString 43 'Z' C: const char* <- Python: PyString
41 44
42 y is result-type charcode 45 y is result-type charcode
43 46
44 'v' void 47 'v' C: void
45 'B' bool -> PyBool 48 'B' C++: bool -> Python: PyBool
46 'c' char -> PyInt 49 'c' C: char -> Python: PyInt
47 's' short -> PyInt 50 's' C: short -> Python: PyInt
48 'i' int -> PyInt 51 'i' C: int -> Python: PyInt
49 'j' long -> PyLong 52 'j' C: long -> Python: PyLong
50 'l' long long -> PyLongLong 53 'l' C: long long -> Python: PyLongLong
51 'f' float -> PyFloat (cast to double precision) 54 'f' C: float -> Python: PyFloat (cast to double precision)
52 'd' double -> PyFloat 55 'd' C: double -> Python: PyFloat
53 'p' ptr -> PyCObject encapsulating a void* 56 'p' C: ptr -> Python: PyCObject encapsulating a void*
54 'Z' const char* -> PyString 57 'Z' C: const char* -> Python: PyString
55 58
56 59
57 BUGS 60 BUGS
58 ---- 61 ----
59 62