Naive go bindings towards the C-API of CPython-2.
this package provides a go package named "python" under which most of the PyXYZ functions and macros of the public C-API of CPython have been exposed.
theoretically, you should be able to just look at:
http://docs.python.org/c-api/index.html
and know what to type in your go program.
this package also provides an executable "go-python" which just loads "python" and then call python.Py_Main(os.Args).
the rational being that under such an executable, go based extensions for C-Python would be easier to implement (as this usually means calling into go from C through some rather convoluted functions hops)
With Go 1 and the go tool, cgo packages can't pass anymore
additional CGO_CFLAGS from external programs (except pkg-config)
to the "fake" #cgo preprocessor directive.
go-python now uses pkg-config to get the correct location of
headers and libraries.
Unfortunately, the naming convention for the pkg-config package is
not standardised across distributions and OSes, so you may have to
edit the cgoflags.go file accordingly.
$ go get github.com/sbinet/go-pythonIf go get + pkg-config failed:
$ cd go-python
$ edit cgoflags.go
$ make VERBOSE=1Note: you'll need the proper header and python development environment. On Debian, you'll need to install the python-all-dev package
Is available on godoc:
http://godoc.org/github.com/sbinet/go-python
package main
import "fmt"
import "github.com/sbinet/go-python"
func init() {
err := python.Initialize()
if err != nil {
panic(err.Error())
}
}
func main() {
gostr := "foo"
pystr := python.PyString_FromString(gostr)
str := python.PyString_AsString(pystr)
fmt.Println("hello [", str, "]")
}$ go run ./main.go
hello [ foo ]-
fix handling of integers (I did a poor job at making sure everything was ok)
-
add CPython unit-tests
-
do not expose
C.FILEpointer and replace it withos.Filein "go-python" API -
provide an easy way to extend go-python with
gobased extensions -
think about the need (or not) to translate CPython exceptions into go panic/recover mechanism
-
use SWIG to automatically wrap the whole CPython api ?
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