+PyCall.jl-612.md

JuliaPy/PyCall.jl#612

.gitignore

py

Makefile

.PHONY: run
JULIA = julia --startup-file=no

run: py
	-$(JULIA) PIEPyCall-0.jl
	$(JULIA) PIEPyCall-1.jl
	$(JULIA) PIEPyCall-2.jl

py:
	conda create --prefix py defaults::python

PIEPyCall-0.jl

module PIEPyCall

using Libdl

const pyhome = abspath("py")
const libpython = "$pyhome/bin/python3"
const wPYTHONHOME = Base.cconvert(Cwstring, string(pyhome, ':', pyhome))
const wpyprogramname = Base.cconvert(Cwstring, libpython)

function __init__()
    h = Libdl.dlopen(libpython, Libdl.RTLD_LAZY|Libdl.RTLD_GLOBAL)
    @show unsafe_string(ccall((:Py_GetVersion, libpython), Ptr{UInt8}, ()))

    @show ccall((:Py_IsInitialized, libpython), Cint, ())

    ccall((:Py_SetProgramName, libpython), Cvoid, (Ptr{Cwchar_t},), wpyprogramname)
    ccall((:Py_SetPythonHome, libpython), Cvoid, (Ptr{Cwchar_t},), wPYTHONHOME)

    ccall((:Py_InitializeEx, libpython), Cvoid, (Cint,), 0)

    @show ccall((:Py_IsInitialized, libpython), Cint, ())
end

end

PIEPyCall-1.jl

module PIEPyCall

using Libdl

const pyhome = abspath("py")
const libpython = "$pyhome/bin/python3"
const wPYTHONHOME = Base.cconvert(Cwstring, string(pyhome, ':', pyhome))
const wpyprogramname = Base.cconvert(Cwstring, libpython)

# function __init__()
    h = Libdl.dlopen(libpython, Libdl.RTLD_LAZY|Libdl.RTLD_GLOBAL)
    @show unsafe_string(ccall((:Py_GetVersion, libpython), Ptr{UInt8}, ()))

    @show ccall((:Py_IsInitialized, libpython), Cint, ())

    ccall((:Py_SetProgramName, libpython), Cvoid, (Ptr{Cwchar_t},), wpyprogramname)
    ccall((:Py_SetPythonHome, libpython), Cvoid, (Ptr{Cwchar_t},), wPYTHONHOME)

    ccall((:Py_InitializeEx, libpython), Cvoid, (Cint,), 0)

    @show ccall((:Py_IsInitialized, libpython), Cint, ())
# end

end

PIEPyCall-2.jl

module PIEPyCall

using Libdl

const pyhome = abspath("py")
const libpython = "$pyhome/bin/python3"
const wPYTHONHOME = Base.cconvert(Cwstring, string(pyhome, ':', pyhome))
const wpyprogramname = Base.cconvert(Cwstring, libpython)

function __init__()
    h = Libdl.dlopen(libpython, Libdl.RTLD_LAZY|Libdl.RTLD_GLOBAL)
    @show unsafe_string(ccall(Libdl.dlsym(h, :Py_GetVersion), Ptr{UInt8}, ()))

    @show ccall(Libdl.dlsym(h,:Py_IsInitialized), Cint, ())

    ccall(Libdl.dlsym(h,:Py_SetProgramName), Cvoid, (Ptr{Cwchar_t},), wpyprogramname)
    ccall(Libdl.dlsym(h,:Py_SetPythonHome), Cvoid, (Ptr{Cwchar_t},), wPYTHONHOME)

    ccall(Libdl.dlsym(h,:Py_InitializeEx), Cvoid, (Cint,), 0)

    @show ccall(Libdl.dlsym(h,:Py_IsInitialized), Cint, ())
end

end