Installing go kernel for jupyterlab on Windows

install go on conda an environment

conda install -c conda-forge go

add GOPATH to the environment variables

we need environment variable GOPATH to do go get command

vim %conda_prefix%\etc\conda\activate.d\go_activate.bat

append the below at the bottom of the file

@set "GOPATH=%CONDA_PREFIX%\.go"
@set "PATH=%PATH;%CONDA_PREFIX%\.go\bin"

REM to reload go_activate.bat
conda activate jupyter lab
echo %gopath%
mkdir -p %gopath%
mkdir -p %gopath%\bin

install gopherdata

go get -d github.com/gopherdata/gophernotes
cd %GOPATH%\src\github.com\gopherdata\gophernotes\zmq-win
``

# install MinGW

conda install -c conda-forge mingw

![image.png](https://qiita-image-store.s3.amazonaws.com/0/12587/69f1065e-0150-3118-0573-ee6666382fcb.png)

Proceed ([y]/n)? y

build.bat amd64

![image.png](https://qiita-image-store.s3.amazonaws.com/0/12587/3cdc2e75-4dc7-2bc3-3a29-1c0af4c9251e.png)

ls -la
move gophernotes.exe %GOPATH%\bin

![image.png](https://qiita-image-store.s3.amazonaws.com/0/12587/e2e53c71-c67b-587b-c4c5-0d93bce33c3e.png)

![image.png](https://qiita-image-store.s3.amazonaws.com/0/12587/0a0d4508-3320-9ab4-f242-fa4b9f78a530.png)

![image.png](https://qiita-image-store.s3.amazonaws.com/0/12587/46c1efde-8014-0658-8372-378d2d3fe382.png)

# copy the kernel config

mkdir %APPDATA%\jupyter\kernels\gophernotes
xcopy %GOPATH%\src\github.com\gopherdata\gophernotes\kernel %APPDATA%\jupyter\kernels\gophernotes /s

![image.png](https://qiita-image-store.s3.amazonaws.com/0/12587/84fa4123-c364-e482-eef4-2a2febae0e07.png)

update kernel.json with the FULL PATH
vim %APPDATA%\jupyter\kernels\gophernotes\kernel.json

"C:\ProgramData\Anaconda3\envs\jupyterlab\.go\bin\gophernotes.exe",

![image.png](https://qiita-image-store.s3.amazonaws.com/0/12587/59e785f5-b071-66ee-7bcc-5a1953fbfcfe.png)

# run jupyterlab

jupyter lab

![image.png](https://qiita-image-store.s3.amazonaws.com/0/12587/8012abcf-3110-e4b4-8b14-c3194b6e96d9.png)

![image.png](https://qiita-image-store.s3.amazonaws.com/0/12587/73bab4ba-958a-323a-5531-0b8507e12cbe.png)

![image.png](https://qiita-image-store.s3.amazonaws.com/0/12587/a4ac209e-3527-c019-d33b-2a07e2147098.png)


# ref
https://github.com/gopherdata/gophernotes#windows