Golang client for grpc-python-golang-example

client.go

package main

import (
    "context"
    "google.golang.org/grpc"
    "fmt"
    "bufio"
    "os"
    nltk "golang/nltk_service"
)

type GrpcClient struct {
    conn    *grpc.ClientConn
    client  nltk.KeywordServiceClient
}

const SERVER_ADDR = "127.0.0.1:6000"

func InitGrpcConnection() (*GrpcClient, error) {
    conn, err := grpc.Dial(SERVER_ADDR, grpc.WithInsecure())
    if err != nil {
        return nil, err
    }
    client := nltk.NewKeywordServiceClient(conn)
    return &GrpcClient{conn, client}, nil
}

func (g *GrpcClient) MyKeywords(text string) ([]string, error) {
    req := nltk.Request{
        Text: text,
    }

    res, err := g.client.GetKeywords(context.Background(), &req)
    if err != nil {
        return nil, err
    }
    
    return res.Keywords, nil
}