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comparison python/pydc/README.txt @ 5:bf5625bb6f05

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- brought python binding up to dc v0.9
author cslag
date Tue, 22 Mar 2016 01:49:34 +0100
parents 4c5019f00f5b
children 4fd959b3df78
comparison
equal deleted inserted replaced
4:4c5019f00f5b 5:bf5625bb6f05
1 dyncall python bindings 1 dyncall python bindings
2 (C) 2007 Daniel Adler. 2 (C) 2007-2016 Daniel Adler.
3 2007 04. December 3 Dec 4, 2007: initial
4 Mar 22,2016: brought up to dyncall 0.9
5
4 6
5 INSTALLATION 7 INSTALLATION
6 ------------ 8 ------------
7 9
8 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
13 15
14 API 16 API
15 --- 17 ---
16 18
17 libhandle = load(libpath) 19 libhandle = load(libpath)
18 funcptr = find(libhandle, symbolname ) 20 funcptr = find(libhandle, symbolname)
19 call( funcptr,signature, ... ) 21 call(funcptr, signature, ...)
20 22
21 SIGNATURE FORMAT 23 SIGNATURE FORMAT
22 24
23 is a formated string 25 is a formated string
24 26
25 format: "xxxxx)y" 27 format: "xxxxx)y"
26 28
27 x is positional parameter-type charcode 29 x is positional parameter-type charcode
28 30
29 'b' C++: bool <- Python: PyBool 31 'B' C++: bool <- Python: PyBool
32 'c' C: char <- Python: PyInt (range checked)
33 's' C: short <- Python: PyInt (range checked)
30 'i' C: int <- Python: PyInt 34 'i' C: int <- Python: PyInt
35 'j' C: long <- Python: PyLong
31 'l' C: long long <- Python: PyLongLong 36 'l' C: long long <- Python: PyLongLong
37 'f' C: float <- Python: PyFloat (cast to single precision)
38 'd' C: double <- Python: PyFloat
32 'p' C: void* <- Python: PyCObject 39 'p' C: void* <- Python: PyCObject
33 's' C: const char* <- Python: PyString 40 'Z' C: const char* <- Python: PyString
34 41
35 y is result-type charcode 42 y is result-type charcode
36 43
37 'v' void 44 'v' void
45 'B' bool -> PyBool
46 'c' char -> PyInt
47 's' short -> PyInt
38 'i' int -> PyInt 48 'i' int -> PyInt
39 'l' long -> PyLong 49 'j' long -> PyLong
50 'l' long long -> PyLongLong
51 'f' float -> PyFloat (cast to double precision)
52 'd' double -> PyFloat
40 'p' ptr -> PyCObject encapsulating a void* 53 'p' ptr -> PyCObject encapsulating a void*
41 'f' float -> PyFloat (upcast to double) 54 'Z' const char* -> PyString
42 'd' double -> PyFloat 55
43 56
44 BUGS 57 BUGS
45 ---- 58 ----
46 59
47 * build on osx/ppc - link error i386 something... [MacPython 2.4] 60 * build on osx/ppc - link error i386 something... [MacPython 2.4]