generate progress

cmd/cmd.go

@@ -3,11 +3,13 @@ package cmd
 import (
 	"bufio"
 	"context"
+	"errors"
 	"fmt"
 	"log"
 	"net"
 	"os"
 	"path"
+	"time"
 
 	"github.com/schollz/progressbar/v3"
 	"github.com/spf13/cobra"
@@ -27,11 +29,18 @@ func cacheDir() string {
 }
 
 func RunRun(cmd *cobra.Command, args []string) error {
-	if err := pull(args[0]); err != nil {
+	_, err := os.Stat(args[0])
+	switch {
+	case errors.Is(err, os.ErrNotExist):
+		if err := pull(args[0]); err != nil {
+			return err
+		}
+
+		fmt.Println("Up to date.")
+	case err != nil:
 		return err
 	}
 
-	fmt.Println("Up to date.")
 	return RunGenerate(cmd, args)
 }
 
@@ -54,7 +63,7 @@ func pull(model string) error {
 
 func RunGenerate(_ *cobra.Command, args []string) error {
 	if len(args) > 1 {
-		return generate(args[0], args[1:]...)
+		return generateOneshot(args[0], args[1:]...)
 	}
 
 	if term.IsTerminal(int(os.Stdin.Fd())) {
@@ -64,21 +73,53 @@ func RunGenerate(_ *cobra.Command, args []string) error {
 	return generateBatch(args[0])
 }
 
-func generate(model string, prompts ...string) error {
+func generate(model, prompt string) error {
 	client := api.NewClient()
 
-	for _, prompt := range prompts {
-		client.Generate(context.Background(), &api.GenerateRequest{Model: model, Prompt: prompt}, func(resp api.GenerateResponse) error {
-			fmt.Print(resp.Response)
-			return nil
-		})
-	}
+	spinner := progressbar.NewOptions(-1,
+		progressbar.OptionSetWriter(os.Stderr),
+		progressbar.OptionThrottle(60*time.Millisecond),
+		progressbar.OptionSpinnerType(14),
+		progressbar.OptionSetRenderBlankState(true),
+		progressbar.OptionSetElapsedTime(false),
+		progressbar.OptionClearOnFinish(),
+	)
+
+	go func() {
+		for range time.Tick(60 * time.Millisecond) {
+			if spinner.IsFinished() {
+				break
+			}
+
+			spinner.Add(1)
+		}
+	}()
+
+	client.Generate(context.Background(), &api.GenerateRequest{Model: model, Prompt: prompt}, func(resp api.GenerateResponse) error {
+		if !spinner.IsFinished() {
+			spinner.Finish()
+		}
+
+		fmt.Print(resp.Response)
+		return nil
+	})
 
 	fmt.Println()
 	fmt.Println()
 	return nil
 }
 
+func generateOneshot(model string, prompts ...string) error {
+	for _, prompt := range prompts {
+		fmt.Printf(">>> %s\n", prompt)
+		if err := generate(model, prompt); err != nil {
+			return err
+		}
+	}
+
+	return nil
+}
+
 func generateInteractive(model string) error {
 	fmt.Print(">>> ")
 	scanner := bufio.NewScanner(os.Stdin)

server/models.go

@@ -4,7 +4,6 @@ import (
 	"encoding/json"
 	"fmt"
 	"io"
-	"io/ioutil"
 	"net/http"
 	"os"
 	"path"
@@ -30,6 +29,15 @@ type Model struct {
 	License          string `json:"license"`
 }
 
+func (m *Model) FullName() string {
+	home, err := os.UserHomeDir()
+	if err != nil {
+		panic(err)
+	}
+
+	return path.Join(home, ".ollama", "models", m.Name+".bin")
+}
+
 func pull(model string, progressCh chan<- api.PullProgress) error {
 	remote, err := getRemote(model)
 	if err != nil {
@@ -45,7 +53,7 @@ func getRemote(model string) (*Model, error) {
 		return nil, fmt.Errorf("failed to get directory: %w", err)
 	}
 	defer resp.Body.Close()
-	body, err := ioutil.ReadAll(resp.Body)
+	body, err := io.ReadAll(resp.Body)
 	if err != nil {
 		return nil, fmt.Errorf("failed to read directory: %w", err)
 	}
@@ -64,13 +72,6 @@ func getRemote(model string) (*Model, error) {
 
 func saveModel(model *Model, progressCh chan<- api.PullProgress) error {
 	// this models cache directory is created by the server on startup
-	home, err := os.UserHomeDir()
-	if err != nil {
-		return fmt.Errorf("failed to get home directory: %w", err)
-	}
-	modelsCache := path.Join(home, ".ollama", "models")
-
-	fileName := path.Join(modelsCache, model.Name+".bin")
 
 	client := &http.Client{}
 	req, err := http.NewRequest("GET", model.URL, nil)
@@ -79,7 +80,7 @@ func saveModel(model *Model, progressCh chan<- api.PullProgress) error {
 	}
 	// check for resume
 	alreadyDownloaded := int64(0)
-	fileInfo, err := os.Stat(fileName)
+	fileInfo, err := os.Stat(model.FullName())
 	if err != nil {
 		if !os.IsNotExist(err) {
 			return fmt.Errorf("failed to check resume model file: %w", err)
@@ -111,7 +112,7 @@ func saveModel(model *Model, progressCh chan<- api.PullProgress) error {
 		return fmt.Errorf("failed to download model: %s", resp.Status)
 	}
 
-	out, err := os.OpenFile(fileName, os.O_CREATE|os.O_APPEND|os.O_WRONLY, 0o644)
+	out, err := os.OpenFile(model.FullName(), os.O_CREATE|os.O_APPEND|os.O_WRONLY, 0o644)
 	if err != nil {
 		panic(err)
 	}

server/routes.go

@@ -37,6 +37,10 @@ func generate(c *gin.Context) {
 		return
 	}
 
+	if remoteModel, _ := getRemote(req.Model); remoteModel != nil {
+		req.Model = remoteModel.FullName()
+	}
+
 	model, err := llama.New(req.Model, llama.EnableF16Memory, llama.SetContext(128), llama.EnableEmbeddings, llama.SetGPULayers(gpulayers))
 	if err != nil {
 		fmt.Println("Loading the model failed:", err.Error())