ollama/cmd/interactive.go

532 lines
15 KiB
Go

package cmd
import (
"context"
"errors"
"fmt"
"io"
"net/http"
"os"
"regexp"
"strings"
"github.com/spf13/cobra"
"golang.org/x/exp/slices"
"github.com/jmorganca/ollama/api"
"github.com/jmorganca/ollama/readline"
)
type MultilineState int
const (
MultilineNone MultilineState = iota
MultilinePrompt
MultilineSystem
MultilineTemplate
)
func modelIsMultiModal(cmd *cobra.Command, name string) bool {
// get model details
client, err := api.ClientFromEnvironment()
if err != nil {
fmt.Println("error: couldn't connect to ollama server")
return false
}
req := api.ShowRequest{Name: name}
resp, err := client.Show(cmd.Context(), &req)
if err != nil {
return false
}
return slices.Contains(resp.Details.Families, "clip")
}
func generateInteractive(cmd *cobra.Command, opts generateOptions) error {
multiModal := modelIsMultiModal(cmd, opts.Model)
// load the model
loadOpts := generateOptions{
Model: opts.Model,
Prompt: "",
Images: []ImageData{},
}
if err := generate(cmd, loadOpts); err != nil {
return err
}
usage := func() {
fmt.Fprintln(os.Stderr, "Available Commands:")
fmt.Fprintln(os.Stderr, " /set Set session variables")
fmt.Fprintln(os.Stderr, " /show Show model information")
fmt.Fprintln(os.Stderr, " /bye Exit")
fmt.Fprintln(os.Stderr, " /?, /help Help for a command")
fmt.Fprintln(os.Stderr, " /? shortcuts Help for keyboard shortcuts")
fmt.Fprintln(os.Stderr, "")
fmt.Fprintln(os.Stderr, "Use \"\"\" to begin a multi-line message.")
fmt.Fprintln(os.Stderr, "")
}
usageSet := func() {
fmt.Fprintln(os.Stderr, "Available Commands:")
fmt.Fprintln(os.Stderr, " /set parameter ... Set a parameter")
fmt.Fprintln(os.Stderr, " /set system <string> Set system message")
fmt.Fprintln(os.Stderr, " /set template <string> Set prompt template")
fmt.Fprintln(os.Stderr, " /set history Enable history")
fmt.Fprintln(os.Stderr, " /set nohistory Disable history")
fmt.Fprintln(os.Stderr, " /set wordwrap Enable wordwrap")
fmt.Fprintln(os.Stderr, " /set nowordwrap Disable wordwrap")
fmt.Fprintln(os.Stderr, " /set format json Enable JSON mode")
fmt.Fprintln(os.Stderr, " /set noformat Disable formatting")
fmt.Fprintln(os.Stderr, " /set verbose Show LLM stats")
fmt.Fprintln(os.Stderr, " /set quiet Disable LLM stats")
fmt.Fprintln(os.Stderr, "")
}
usageShortcuts := func() {
fmt.Fprintln(os.Stderr, "Available keyboard shortcuts:")
fmt.Fprintln(os.Stderr, " Ctrl + a Move to the beginning of the line (Home)")
fmt.Fprintln(os.Stderr, " Ctrl + e Move to the end of the line (End)")
fmt.Fprintln(os.Stderr, " Alt + b Move back (left) one word")
fmt.Fprintln(os.Stderr, " Alt + f Move forward (right) one word")
fmt.Fprintln(os.Stderr, " Ctrl + k Delete the sentence after the cursor")
fmt.Fprintln(os.Stderr, " Ctrl + u Delete the sentence before the cursor")
fmt.Fprintln(os.Stderr, "")
fmt.Fprintln(os.Stderr, " Ctrl + l Clear the screen")
fmt.Fprintln(os.Stderr, " Ctrl + c Stop the model from responding")
fmt.Fprintln(os.Stderr, " Ctrl + d Exit ollama (/bye)")
fmt.Fprintln(os.Stderr, "")
}
usageShow := func() {
fmt.Fprintln(os.Stderr, "Available Commands:")
fmt.Fprintln(os.Stderr, " /show info Show details for this model")
fmt.Fprintln(os.Stderr, " /show license Show model license")
fmt.Fprintln(os.Stderr, " /show modelfile Show Modelfile for this model")
fmt.Fprintln(os.Stderr, " /show parameters Show parameters for this model")
fmt.Fprintln(os.Stderr, " /show system Show system message")
fmt.Fprintln(os.Stderr, " /show template Show prompt template")
fmt.Fprintln(os.Stderr, "")
}
// only list out the most common parameters
usageParameters := func() {
fmt.Fprintln(os.Stderr, "Available Parameters:")
fmt.Fprintln(os.Stderr, " /set parameter seed <int> Random number seed")
fmt.Fprintln(os.Stderr, " /set parameter num_predict <int> Max number of tokens to predict")
fmt.Fprintln(os.Stderr, " /set parameter top_k <int> Pick from top k num of tokens")
fmt.Fprintln(os.Stderr, " /set parameter top_p <float> Pick token based on sum of probabilities")
fmt.Fprintln(os.Stderr, " /set parameter num_ctx <int> Set the context size")
fmt.Fprintln(os.Stderr, " /set parameter temperature <float> Set creativity level")
fmt.Fprintln(os.Stderr, " /set parameter repeat_penalty <float> How strongly to penalize repetitions")
fmt.Fprintln(os.Stderr, " /set parameter repeat_last_n <int> Set how far back to look for repetitions")
fmt.Fprintln(os.Stderr, " /set parameter num_gpu <int> The number of layers to send to the GPU")
fmt.Fprintln(os.Stderr, " /set parameter stop \"<string>\", ... Set the stop parameters")
fmt.Fprintln(os.Stderr, "")
}
scanner, err := readline.New(readline.Prompt{
Prompt: ">>> ",
AltPrompt: "... ",
Placeholder: "Send a message (/? for help)",
AltPlaceholder: `Use """ to end multi-line input`,
})
if err != nil {
return err
}
fmt.Print(readline.StartBracketedPaste)
defer fmt.Printf(readline.EndBracketedPaste)
var multiline MultilineState
var prompt string
for {
line, err := scanner.Readline()
switch {
case errors.Is(err, io.EOF):
fmt.Println()
return nil
case errors.Is(err, readline.ErrInterrupt):
if line == "" {
fmt.Println("\nUse Ctrl + d or /bye to exit.")
}
scanner.Prompt.UseAlt = false
prompt = ""
continue
case err != nil:
return err
}
switch {
case strings.HasPrefix(prompt, `"""`):
// if the prompt so far starts with """ then we're in multiline mode
// and we need to keep reading until we find a line that ends with """
cut, found := strings.CutSuffix(line, `"""`)
prompt += cut
if !found {
prompt += "\n"
continue
}
prompt = strings.TrimPrefix(prompt, `"""`)
scanner.Prompt.UseAlt = false
switch multiline {
case MultilineSystem:
opts.System = prompt
prompt = ""
fmt.Println("Set system message.")
case MultilineTemplate:
opts.Template = prompt
prompt = ""
fmt.Println("Set prompt template.")
}
multiline = MultilineNone
case strings.HasPrefix(line, `"""`) && len(prompt) == 0:
scanner.Prompt.UseAlt = true
multiline = MultilinePrompt
prompt += line + "\n"
continue
case scanner.Pasting:
prompt += line + "\n"
continue
case strings.HasPrefix(line, "/list"):
args := strings.Fields(line)
if err := ListHandler(cmd, args[1:]); err != nil {
return err
}
case strings.HasPrefix(line, "/set"):
args := strings.Fields(line)
if len(args) > 1 {
switch args[1] {
case "history":
scanner.HistoryEnable()
case "nohistory":
scanner.HistoryDisable()
case "wordwrap":
opts.WordWrap = true
fmt.Println("Set 'wordwrap' mode.")
case "nowordwrap":
opts.WordWrap = false
fmt.Println("Set 'nowordwrap' mode.")
case "verbose":
cmd.Flags().Set("verbose", "true")
fmt.Println("Set 'verbose' mode.")
case "quiet":
cmd.Flags().Set("verbose", "false")
fmt.Println("Set 'quiet' mode.")
case "format":
if len(args) < 3 || args[2] != "json" {
fmt.Println("Invalid or missing format. For 'json' mode use '/set format json'")
} else {
opts.Format = args[2]
fmt.Printf("Set format to '%s' mode.\n", args[2])
}
case "noformat":
opts.Format = ""
fmt.Println("Disabled format.")
case "parameter":
if len(args) < 4 {
usageParameters()
continue
}
var params []string
for _, p := range args[3:] {
params = append(params, p)
}
fp, err := api.FormatParams(map[string][]string{args[2]: params})
if err != nil {
fmt.Printf("Couldn't set parameter: %q\n\n", err)
continue
}
fmt.Printf("Set parameter '%s' to '%s'\n\n", args[2], strings.Join(params, ", "))
opts.Options[args[2]] = fp[args[2]]
case "system", "template":
if len(args) < 3 {
usageSet()
continue
}
line := strings.Join(args[2:], " ")
line = strings.TrimPrefix(line, `"""`)
if strings.HasPrefix(args[2], `"""`) {
cut, found := strings.CutSuffix(line, `"""`)
prompt += cut
if found {
if args[1] == "system" {
opts.System = prompt
fmt.Println("Set system message.")
} else {
opts.Template = prompt
fmt.Println("Set prompt template.")
}
prompt = ""
} else {
prompt = `"""` + prompt + "\n"
if args[1] == "system" {
multiline = MultilineSystem
} else {
multiline = MultilineTemplate
}
scanner.Prompt.UseAlt = true
}
} else {
opts.System = line
fmt.Println("Set system message.")
}
default:
fmt.Printf("Unknown command '/set %s'. Type /? for help\n", args[1])
}
} else {
usageSet()
}
case strings.HasPrefix(line, "/show"):
args := strings.Fields(line)
if len(args) > 1 {
client, err := api.ClientFromEnvironment()
if err != nil {
fmt.Println("error: couldn't connect to ollama server")
return err
}
req := &api.ShowRequest{
Name: opts.Model,
System: opts.System,
Template: opts.Template,
Options: opts.Options,
}
resp, err := client.Show(cmd.Context(), req)
if err != nil {
fmt.Println("error: couldn't get model")
return err
}
switch args[1] {
case "info":
fmt.Println("Model details:")
if len(resp.Details.Families) > 0 {
fmt.Printf("Family %s\n", strings.Join(resp.Details.Families, ", "))
} else if resp.Details.Family != "" {
fmt.Printf("Family %s\n", resp.Details.Family)
}
fmt.Printf("Parameter Size %s\n", resp.Details.ParameterSize)
fmt.Printf("Quantization Level %s\n", resp.Details.QuantizationLevel)
fmt.Println("")
case "license":
if resp.License == "" {
fmt.Print("No license was specified for this model.\n\n")
} else {
fmt.Println(resp.License)
}
case "modelfile":
fmt.Println(resp.Modelfile)
case "parameters":
if resp.Parameters == "" {
fmt.Print("No parameters were specified for this model.\n\n")
} else {
if len(opts.Options) > 0 {
fmt.Println("User defined parameters:")
for k, v := range opts.Options {
fmt.Printf("%-*s %v\n", 30, k, v)
}
fmt.Println()
}
fmt.Println("Model defined parameters:")
fmt.Println(resp.Parameters)
}
case "system":
switch {
case opts.System != "":
fmt.Println(opts.System + "\n")
case resp.System != "":
fmt.Println(resp.System + "\n")
default:
fmt.Print("No system message was specified for this model.\n\n")
}
case "template":
switch {
case opts.Template != "":
fmt.Println(opts.Template + "\n")
case resp.Template != "":
fmt.Println(resp.Template)
default:
fmt.Print("No prompt template was specified for this model.\n\n")
}
default:
fmt.Printf("Unknown command '/show %s'. Type /? for help\n", args[1])
}
} else {
usageShow()
}
case strings.HasPrefix(line, "/help"), strings.HasPrefix(line, "/?"):
args := strings.Fields(line)
if len(args) > 1 {
switch args[1] {
case "set", "/set":
usageSet()
case "show", "/show":
usageShow()
case "shortcut", "shortcuts":
usageShortcuts()
}
} else {
usage()
}
case line == "/exit", line == "/bye":
return nil
case strings.HasPrefix(line, "/"):
args := strings.Fields(line)
isFile := false
if multiModal {
for _, f := range extractFileNames(line) {
if strings.HasPrefix(f, args[0]) {
isFile = true
break
}
}
}
if isFile {
prompt += line
} else {
fmt.Printf("Unknown command '%s'. Type /? for help\n", args[0])
continue
}
default:
prompt += line
}
if len(prompt) > 0 && multiline == MultilineNone {
opts.Prompt = prompt
if multiModal {
newPrompt, images, err := extractFileData(prompt)
if err != nil {
return err
}
opts.Prompt = newPrompt
// reset the context if we find another image
if len(images) > 0 {
opts.Images = images
ctx := cmd.Context()
ctx = context.WithValue(ctx, generateContextKey("context"), []int{})
cmd.SetContext(ctx)
}
if len(opts.Images) == 0 {
fmt.Println("This model requires you to add a jpeg, png, or svg image.")
fmt.Println()
prompt = ""
continue
}
}
if err := generate(cmd, opts); err != nil {
return err
}
prompt = ""
}
}
}
func normalizeFilePath(fp string) string {
// Define a map of escaped characters and their replacements
replacements := map[string]string{
"\\ ": " ", // Escaped space
"\\(": "(", // Escaped left parenthesis
"\\)": ")", // Escaped right parenthesis
"\\[": "[", // Escaped left square bracket
"\\]": "]", // Escaped right square bracket
"\\{": "{", // Escaped left curly brace
"\\}": "}", // Escaped right curly brace
"\\$": "$", // Escaped dollar sign
"\\&": "&", // Escaped ampersand
"\\;": ";", // Escaped semicolon
"\\'": "'", // Escaped single quote
"\\\\": "\\", // Escaped backslash
"\\*": "*", // Escaped asterisk
"\\?": "?", // Escaped question mark
}
for escaped, actual := range replacements {
fp = strings.ReplaceAll(fp, escaped, actual)
}
return fp
}
func extractFileNames(input string) []string {
// Regex to match file paths starting with / or ./ and include escaped spaces (\ or %20)
// and followed by more characters and a file extension
regexPattern := `(?:\./|/)[\S\\ ]+?\.(?i:jpg|jpeg|png|svg)\b`
re := regexp.MustCompile(regexPattern)
return re.FindAllString(input, -1)
}
func extractFileData(input string) (string, []ImageData, error) {
filePaths := extractFileNames(input)
var imgs []ImageData
for _, fp := range filePaths {
nfp := normalizeFilePath(fp)
data, err := getImageData(nfp)
if err != nil {
if os.IsNotExist(err) {
continue
}
fmt.Printf("Couldn't process image: %q\n", err)
return "", imgs, err
}
fmt.Printf("Added image '%s'\n", nfp)
input = strings.ReplaceAll(input, fp, "")
imgs = append(imgs, data)
}
return input, imgs, nil
}
func getImageData(filePath string) ([]byte, error) {
file, err := os.Open(filePath)
if err != nil {
return nil, err
}
defer file.Close()
buf := make([]byte, 512)
_, err = file.Read(buf)
if err != nil {
return nil, err
}
contentType := http.DetectContentType(buf)
allowedTypes := []string{"image/jpeg", "image/jpg", "image/svg+xml", "image/png"}
if !slices.Contains(allowedTypes, contentType) {
return nil, fmt.Errorf("invalid image type: %s", contentType)
}
info, err := file.Stat()
if err != nil {
return nil, err
}
// Check if the file size exceeds 100MB
var maxSize int64 = 100 * 1024 * 1024 // 100MB in bytes
if info.Size() > maxSize {
return nil, fmt.Errorf("file size exceeds maximum limit (100MB)")
}
buf = make([]byte, info.Size())
_, err = file.Seek(0, 0)
if err != nil {
return nil, err
}
_, err = io.ReadFull(file, buf)
if err != nil {
return nil, err
}
return buf, nil
}