first commit

2026-04-10 09:24:28 +08:00
commit a92abca252
10 changed files with 1645 additions and 0 deletions
--- a/example/main.go
+++ b/example/main.go
@@ -0,0 +1,141 @@
+package main
+
+import (
+	"context"
+	"fmt"
+	"log"
+	"path/filepath"
+	"runtime"
+
+	"git.fsdpf.net/go/gobridge"
+)
+
+type User struct {
+	ID    int     `json:"id"`
+	Name  string  `json:"name"`
+	Score float64 `json:"score"`
+	Level string  `json:"level,omitempty"`
+}
+
+func main() {
+	_, file, _, _ := runtime.Caller(0)
+	script := filepath.Join(filepath.Dir(file), "worker.py")
+
+	pool, err := gobridge.NewPool(script,
+		gobridge.WithWorkers(2),
+		gobridge.WithMaxConns(4),
+	)
+	if err != nil {
+		log.Fatal(err)
+	}
+	defer pool.Close()
+
+	ctx := context.Background()
+
+	// ── 普通调用 ──────────────────────────────────────────────────────────
+	sum, err := gobridge.Invoke[int](ctx, pool, "add", 3, 4)
+	if err != nil {
+		log.Fatal(err)
+	}
+	fmt.Println("add(3, 4) =", sum) // 7
+
+	// ── 流式输出：Python yield → Go channel ──────────────────────────────
+	ch, err := gobridge.Invoke[chan int](ctx, pool, "range_gen", 1, 6)
+	if err != nil {
+		log.Fatal(err)
+	}
+	fmt.Print("range_gen(1, 6) =")
+	for v := range ch {
+		fmt.Print(" ", v)
+	}
+	fmt.Println() // 1 2 3 4 5
+
+	// ── 流式输入：Go channel → Python Iterator ───────────────────────────
+	inputCh := make(chan int, 10)
+	go func() {
+		for i := 1; i <= 5; i++ {
+			inputCh <- i
+		}
+		close(inputCh)
+	}()
+	total, err := gobridge.Invoke[int](ctx, pool, "sum_stream", inputCh)
+	if err != nil {
+		log.Fatal(err)
+	}
+	fmt.Println("sum_stream(1..5) =", total) // 15
+
+	// ── 双向流：Go channel 输入 + Go channel 输出 ────────────────────────
+	inputCh2 := make(chan int, 10)
+	go func() {
+		for i := 1; i <= 5; i++ {
+			inputCh2 <- i
+		}
+		close(inputCh2)
+	}()
+	outCh, err := gobridge.Invoke[chan int](ctx, pool, "double_stream", inputCh2)
+	if err != nil {
+		log.Fatal(err)
+	}
+	fmt.Print("double_stream(1..5) =")
+	for v := range outCh {
+		fmt.Print(" ", v)
+	}
+	fmt.Println() // 1 4 9 16 25
+
+	// ── struct 普通调用 ───────────────────────────────────────────────────
+	user, err := gobridge.Invoke[User](ctx, pool, "get_user", 42)
+	if err != nil {
+		log.Fatal(err)
+	}
+	fmt.Printf("get_user(42) = %+v\n", user)
+
+	// ── slice 输入，返回标量 ───────────────────────────────────────────────
+	users := []User{
+		{ID: 1, Name: "alice", Score: 5.0},
+		{ID: 2, Name: "bob", Score: 8.0},
+		{ID: 3, Name: "carol", Score: 12.0},
+	}
+	scoreSum, err := gobridge.Invoke[float64](ctx, pool, "total_score", users)
+	if err != nil {
+		log.Fatal(err)
+	}
+	fmt.Printf("total_score([alice,bob,carol]) = %.1f\n", scoreSum)
+
+	// ── slice 输入输出 ─────────────────────────────────────────────────────
+	enriched, err := gobridge.Invoke[[]User](ctx, pool, "enrich_users", users)
+	if err != nil {
+		log.Fatal(err)
+	}
+	fmt.Println("enrich_users:")
+	for _, u := range enriched {
+		fmt.Printf("  %+v\n", u)
+	}
+
+	// ── 流式输出 struct：Python yield User → Go chan User ─────────────────
+	userCh, err := gobridge.Invoke[chan User](ctx, pool, "gen_users", 3)
+	if err != nil {
+		log.Fatal(err)
+	}
+	fmt.Print("gen_users(3) =")
+	for u := range userCh {
+		fmt.Printf(" {%d %s %.0f}", u.ID, u.Name, u.Score)
+	}
+	fmt.Println()
+
+	// ── 双向流 struct：Go chan User 输入 → Python 处理 → Go chan User 输出 ─
+	inCh := make(chan User, 5)
+	go func() {
+		for _, u := range users {
+			inCh <- u
+		}
+		close(inCh)
+	}()
+	procCh, err := gobridge.Invoke[chan User](ctx, pool, "process_users", inCh)
+	if err != nil {
+		log.Fatal(err)
+	}
+	fmt.Println("process_users:")
+	for u := range procCh {
+		fmt.Printf("  %+v\n", u)
+	}
+}