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1 dyncall python bindings
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2 (C) 2007-2016 Daniel Adler.
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3 Dec 4, 2007: initial
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4 Mar 22,2016: brought up to dyncall 0.9
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6
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7 INSTALLATION
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8 ------------
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9
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10 1) make sure dyncall is built and libraries/headers are in include paths or
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11 CFLAGS points to them, etc.
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12
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13 2) python setup.py install
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14
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15
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16 API
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17 ---
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18
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19 libhandle = load(libpath)
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20 funcptr = find(libhandle, symbolname)
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21 call(funcptr, signature, ...)
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22
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23 SIGNATURE FORMAT
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24
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25 is a formated string
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26
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27 format: "xxxxx)y"
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28
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29 x is positional parameter-type charcode
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30
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31 'B' C++: bool <- Python: PyBool
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32 'c' C: char <- Python: PyInt (range checked)
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33 's' C: short <- Python: PyInt (range checked)
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34 'i' C: int <- Python: PyInt
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35 'j' C: long <- Python: PyLong
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36 'l' C: long long <- Python: PyLongLong
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37 'f' C: float <- Python: PyFloat (cast to single precision)
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38 'd' C: double <- Python: PyFloat
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39 'p' C: void* <- Python: PyCObject
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40 'Z' C: const char* <- Python: PyString
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41
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42 y is result-type charcode
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43
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44 'v' void
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45 'B' bool -> PyBool
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46 'c' char -> PyInt
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47 's' short -> PyInt
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48 'i' int -> PyInt
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49 'j' long -> PyLong
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50 'l' long long -> PyLongLong
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51 'f' float -> PyFloat (cast to double precision)
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52 'd' double -> PyFloat
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53 'p' ptr -> PyCObject encapsulating a void*
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54 'Z' const char* -> PyString
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56
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57 BUGS
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58 ----
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59
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60 * build on osx/ppc - link error i386 something... [MacPython 2.4]
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61
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62 solution:
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63 installation of latest python for os x (MacPython 2.5)
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64
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65 build log:
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66
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67 python setup.py install
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68 running install
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69 running build
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70 running build_py
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71 creating build
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72 creating build/lib.macosx-10.3-fat-2.4
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73 copying pydc.py -> build/lib.macosx-10.3-fat-2.4
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74 running build_ext
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75 building 'pydcext' extension
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76 creating build/temp.macosx-10.3-fat-2.4
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77 gcc -arch ppc -arch i386 -isysroot /Developer/SDKs/MacOSX10.4u.sdk -fno-strict-aliasing -Wno-long-double -no-cpp-precomp -mno-fused-madd -fno-common -dynamic -DNDEBUG -g -O3 -I../../../dyncall -I../../../dynload -I/Library/Frameworks/Python.framework/Versions/2.4/include/python2.4 -c pydcext.c -o build/temp.macosx-10.3-fat-2.4/pydcext.o
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78 gcc -arch i386 -arch ppc -isysroot /Developer/SDKs/MacOSX10.4u.sdk -g -bundle -undefined dynamic_lookup build/temp.macosx-10.3-fat-2.4/pydcext.o -L../../../dyncall -L../../../dynload -ldyncall_s -ldynload_s -lstdc++ -o build/lib.macosx-10.3-fat-2.4/pydcext.so
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79 /usr/bin/ld: for architecture i386
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80 /usr/bin/ld: warning ../../../dyncall/libdyncall_s.a archive's cputype (18, architecture ppc) does not match cputype (7) for specified -arch flag: i386 (can't load from it)
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81 /usr/bin/ld: warning ../../../dynload/libdynload_s.a archive's cputype (18, architecture ppc) does not match cputype (7) for specified -arch flag: i386 (can't load from it)
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82 running install_lib
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83 copying build/lib.macosx-10.3-fat-2.4/pydcext.so -> /Library/Frameworks/Python.framework/Versions/2.4/lib/python2.4/site-packages
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84
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