mirror of https://github.com/go-python/gopy.git
126 lines
2.6 KiB
Markdown
126 lines
2.6 KiB
Markdown
gopy
|
|
====
|
|
|
|
`gopy` generates (and compiles) a `CPython` extension module from a `go` package.
|
|
|
|
## Installation
|
|
|
|
```sh
|
|
$ go get github.com/go-python/gopy
|
|
```
|
|
|
|
## Documentation
|
|
|
|
Documentation is available on [godoc](https://godoc.org):
|
|
https://godoc.org/github.com/go-python/gopy
|
|
|
|
or directly from the command-line prompt:
|
|
|
|
```sh
|
|
$ gopy help
|
|
gopy -
|
|
|
|
Commands:
|
|
|
|
bind generate and compile (C)Python language bindings for Go
|
|
gen generate (C)Python language bindings for Go
|
|
|
|
Use "gopy help <command>" for more information about a command.
|
|
|
|
|
|
$ gopy help gen
|
|
Usage: gopy gen <go-package-name>
|
|
|
|
gen generates (C)Python language bindings for a Go package.
|
|
|
|
ex:
|
|
$ gopy gen [options] <go-package-name>
|
|
$ gopy gen github.com/go-python/gopy/_examples/hi
|
|
|
|
Options:
|
|
-lang="python": target language for bindings
|
|
-output="": output directory for bindings
|
|
|
|
|
|
$ gopy help bind
|
|
Usage: gopy bind <go-package-name>
|
|
|
|
bind generates and compiles (C)Python language bindings for a Go package.
|
|
|
|
ex:
|
|
$ gopy bind [options] <go-package-name>
|
|
$ gopy bind github.com/go-python/gopy/_examples/hi
|
|
|
|
Options:
|
|
-output="": output directory for bindings
|
|
|
|
```
|
|
|
|
|
|
## Examples
|
|
|
|
```sh
|
|
$ gopy bind -output=out github.com/go-python/gopy/_examples/hi
|
|
$ ls out
|
|
hi.so
|
|
|
|
$ cd out
|
|
$ python2
|
|
>>> import hi
|
|
>>> dir(hi)
|
|
['Add', 'Concat', 'Hello', 'Hi', 'NewPerson', 'Person', '__doc__', '__file__', '__name__', '__package__']
|
|
|
|
>>> hi.Hello("you")
|
|
hello you from go
|
|
|
|
```
|
|
|
|
You can also run:
|
|
|
|
```sh
|
|
go test -v -run=TestBind
|
|
=== RUN TestBind
|
|
processing "Add"...
|
|
processing "Concat"...
|
|
processing "Hello"...
|
|
processing "Hi"...
|
|
processing "NewPerson"...
|
|
processing "Person"...
|
|
processing "Add"...
|
|
processing "Concat"...
|
|
processing "Hello"...
|
|
processing "Hi"...
|
|
processing "NewPerson"...
|
|
processing "Person"...
|
|
github.com/go-python/gopy/_examples/hi
|
|
_/home/binet/dev/go/root/tmp/gopy-431003574
|
|
--- hi.Hi()...
|
|
hi from go
|
|
--- hi.Hello('you')...
|
|
hello you from go
|
|
--- hi.Add(1, 41)...
|
|
42
|
|
--- hi.Concat('4', '2')...
|
|
42
|
|
--- doc(hi.Person):
|
|
Person is a simple struct
|
|
|
|
--- p = hi.Person()...
|
|
<hi.Person object at 0x7fc46cc330f0>
|
|
['Age', 'Name', '__class__', '__delattr__', '__doc__', '__format__', '__getattribute__', '__hash__', '__init__', '__new__', '__reduce__', '__reduce_ex__', '__repr__', '__setattr__', '__sizeof__', '__str__', '__subclasshook__']
|
|
--- p.Name: None
|
|
--- p.Age: None
|
|
--- doc(p):
|
|
Person is a simple struct
|
|
|
|
--- PASS: TestBind (2.13s)
|
|
PASS
|
|
ok github.com/go-python/gopy 2.135s
|
|
```
|
|
|
|
## Limitations
|
|
|
|
- wrap `go` structs into `python` classes **[DONE]**
|
|
- better pythonization: turn `go` `errors` into `python` exceptions **[DONE]**
|
|
- only `python-2` supported for now
|