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display.go
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display.go
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package monitor
import (
"context"
"encoding/json"
"fmt"
"io"
"os"
"slices"
"strings"
"sync"
"sync/atomic"
"time"
"github.com/fatih/color"
"github.com/gptscript-ai/gptscript/pkg/counter"
"github.com/gptscript-ai/gptscript/pkg/engine"
"github.com/gptscript-ai/gptscript/pkg/runner"
"github.com/gptscript-ai/gptscript/pkg/types"
)
type Options struct {
DisplayProgress bool `usage:"-"`
DumpState string `usage:"Dump the internal execution state to a file"`
DebugMessages bool `usage:"Enable logging of chat completion calls"`
}
func complete(opts ...Options) (result Options) {
for _, opt := range opts {
result.DumpState = types.FirstSet(opt.DumpState, result.DumpState)
result.DisplayProgress = types.FirstSet(opt.DisplayProgress, result.DisplayProgress)
result.DebugMessages = types.FirstSet(opt.DebugMessages, result.DebugMessages)
}
return
}
type Console struct {
dumpState string
displayProgress bool
printMessages bool
}
var (
prettyIDCounter int64
)
func (c *Console) Start(_ context.Context, prg *types.Program, _ []string, input string) (runner.Monitor, error) {
id := counter.Next()
mon := newDisplay(c.dumpState, c.displayProgress, c.printMessages)
mon.dump.ID = fmt.Sprint(id)
mon.dump.Program = prg
mon.dump.Input = input
log.Fields("runID", mon.dump.ID, "input", input, "program", prg, "type", "runStart").Debugf("Run started")
return mon, nil
}
type display struct {
dump dump
printMessages bool
livePrinter *livePrinter
dumpState string
callIDMap map[string]string
callLock sync.Mutex
usage types.Usage
}
type livePrinter struct {
lastContent map[string]string
callIDMap map[string]string
activePrinters []string
toPrint []string
needsNewline bool
}
func (l *livePrinter) end() {
if l == nil {
return
}
if l.needsNewline {
_, _ = fmt.Fprintln(os.Stderr)
}
l.needsNewline = false
if len(l.activePrinters) > 0 {
delete(l.lastContent, l.activePrinters[0])
}
}
func (l *livePrinter) progressStart(c call) {
if l == nil {
return
}
if !slices.Contains(l.activePrinters, c.ID) {
l.activePrinters = append(l.activePrinters, c.ID)
}
l.toPrint = slices.DeleteFunc(l.toPrint, func(s string) bool {
return s == c.ID
})
}
func (l *livePrinter) progressEnd(c call) {
if l == nil {
return
}
var result []string
for i, id := range l.activePrinters {
if id != c.ID {
result = append(result, id)
continue
}
if i != 0 {
if !slices.Contains(l.toPrint, id) {
l.toPrint = append(l.toPrint, id)
}
continue
}
for _, toPrintID := range l.toPrint {
content := l.lastContent[toPrintID]
delete(l.lastContent, toPrintID)
if content != "" {
_, _ = fmt.Fprint(os.Stderr, content)
if !strings.HasSuffix(content, "\n") {
_, _ = fmt.Fprintln(os.Stderr)
}
}
}
l.toPrint = nil
result = l.activePrinters[1:]
if len(result) > 0 {
content := l.lastContent[result[0]]
if content != "" {
_, _ = fmt.Fprint(os.Stderr, content)
l.needsNewline = !strings.HasSuffix(content, "\n")
}
}
break
}
l.activePrinters = result
}
func (l *livePrinter) formatContent(event runner.Event, c call) string {
if event.Content == "" {
return event.Content
}
prefix := fmt.Sprintf(" content [%s] content | ", l.callIDMap[c.ID])
var lines []string
for _, line := range strings.Split(event.Content, "\n") {
if c.ParentID != "" {
if len(line) > 100 {
line = line[:100] + " ..."
}
}
lines = append(lines, prefix+line)
}
return strings.Join(lines, "\n")
}
func (l *livePrinter) print(event runner.Event, c call) {
if l == nil {
return
}
content := l.formatContent(event, c)
last := l.lastContent[c.ID]
l.lastContent[c.ID] = content
if len(l.activePrinters) > 0 && l.activePrinters[0] == c.ID && content != "" {
line, ok := strings.CutPrefix(content, last)
if !ok && last != "" {
_, _ = fmt.Fprintln(os.Stderr)
}
if line != "" {
_, _ = fmt.Fprint(os.Stderr, line)
l.needsNewline = !strings.HasSuffix(line, "\n")
}
}
}
func (d *display) Event(event runner.Event) {
d.callLock.Lock()
defer d.callLock.Unlock()
var (
currentIndex = -1
currentCall call
)
for i, existing := range d.dump.Calls {
if event.CallContext.ID == existing.ID {
currentIndex = i
currentCall = existing
break
}
}
if currentIndex == -1 {
currentIndex = len(d.dump.Calls)
currentCall = call{
ID: event.CallContext.ID,
ParentID: event.CallContext.ParentID,
ToolID: event.CallContext.Tool.ID,
}
d.dump.Calls = append(d.dump.Calls, currentCall)
}
log := log.Fields(
"id", currentCall.ID,
"parentID", currentCall.ParentID,
"toolID", currentCall.ToolID,
"type", event.Type,
)
_, ok := d.callIDMap[currentCall.ID]
if !ok {
prettyID := fmt.Sprint(atomic.AddInt64(&prettyIDCounter, 1))
d.callIDMap[currentCall.ID] = prettyID
}
callName := callName{
prettyIDMap: d.callIDMap,
call: ¤tCall,
prg: d.dump.Program,
calls: d.dump.Calls,
toolCategory: event.CallContext.ToolCategory,
userSpecifiedToolName: event.CallContext.ToolName,
}
d.usage.PromptTokens += event.Usage.PromptTokens
d.usage.CompletionTokens += event.Usage.CompletionTokens
d.usage.TotalTokens += event.Usage.TotalTokens
switch event.Type {
case runner.EventTypeCallStart:
d.livePrinter.progressStart(currentCall)
d.livePrinter.end()
currentCall.Start = event.Time
currentCall.Input = event.Content
log.Fields("input", event.Content).Infof("started [%s]", callName)
case runner.EventTypeCallSubCalls:
d.livePrinter.progressEnd(currentCall)
case runner.EventTypeCallProgress:
d.livePrinter.print(event, currentCall)
case runner.EventTypeCallContinue:
d.livePrinter.progressStart(currentCall)
d.livePrinter.end()
log.Fields("toolResults", event.ToolResults).Infof("continue [%s]", callName)
case runner.EventTypeChat:
d.livePrinter.end()
if event.ChatRequest == nil {
log = log.Fields(
"completionID", event.ChatCompletionID,
"response", toJSON(event.ChatResponse),
"cached", event.ChatResponseCached,
)
} else {
log.Infof("sent [%s]", callName)
log = log.Fields(
"completionID", event.ChatCompletionID,
"request", toJSON(event.ChatRequest),
)
}
if d.printMessages {
log.Infof("messages")
} else {
log.Debugf("debug")
}
currentCall.Messages = append(currentCall.Messages, message{
CompletionID: event.ChatCompletionID,
Request: event.ChatRequest,
Response: event.ChatResponse,
Cached: event.ChatResponseCached,
})
case runner.EventTypeCallFinish:
d.livePrinter.progressEnd(currentCall)
d.livePrinter.end()
currentCall.End = event.Time
currentCall.Output = event.Content
log.Fields("output", event.Content).Infof("ended [%s]", callName)
}
d.dump.Calls[currentIndex] = currentCall
}
func (d *display) Stop(output string, err error) {
d.callLock.Lock()
defer d.callLock.Unlock()
log.Fields("runID", d.dump.ID, "output", output, "err", err, "type", "runFinish").Debugf("Run stopped")
if d.usage.TotalTokens > 0 {
log.Fields("runID", d.dump.ID, "total", d.usage.TotalTokens, "prompt", d.usage.PromptTokens, "completion", d.usage.CompletionTokens).Infof("usage ")
}
d.dump.Output = output
d.dump.Err = err
if d.dumpState != "" {
f, err := os.Create(d.dumpState)
if err == nil {
_ = d.Dump(f)
_ = f.Close()
}
}
}
func NewConsole(opts ...Options) *Console {
opt := complete(opts...)
return &Console{
dumpState: opt.DumpState,
displayProgress: opt.DisplayProgress,
printMessages: opt.DebugMessages,
}
}
func newDisplay(dumpState string, progress, printMessages bool) *display {
display := &display{
dumpState: dumpState,
callIDMap: make(map[string]string),
printMessages: printMessages,
}
if progress {
display.livePrinter = &livePrinter{
lastContent: map[string]string{},
callIDMap: display.callIDMap,
}
}
return display
}
func (d *display) Dump(out io.Writer) error {
enc := json.NewEncoder(out)
enc.SetIndent("", " ")
return enc.Encode(d.dump)
}
func (d *display) Pause() func() {
d.callLock.Lock()
return func() {
d.callLock.Unlock()
}
}
func toJSON(obj any) jsonDump {
return jsonDump{obj: obj}
}
type jsonDump struct {
obj any
}
func (j jsonDump) MarshalJSON() ([]byte, error) {
return json.Marshal(j.obj)
}
func (j jsonDump) String() string {
d, err := json.Marshal(j.obj)
if err != nil {
return err.Error()
}
return string(d)
}
type callName struct {
prettyIDMap map[string]string
call *call
prg *types.Program
calls []call
toolCategory engine.ToolCategory
userSpecifiedToolName string
}
func (c callName) String() string {
var (
msg []string
currentCall = c.call
)
if c.toolCategory != engine.NoCategory {
// We want to print the credential tool in the same format that the user referenced it, if possible.
if c.userSpecifiedToolName != "" {
return fmt.Sprintf("%s: %s", c.toolCategory, color.YellowString(c.userSpecifiedToolName))
}
return fmt.Sprintf("%s: %s", c.toolCategory, color.YellowString(currentCall.ToolID))
}
for {
tool := c.prg.ToolSet[currentCall.ToolID]
name := tool.Parameters.Name
if name == "" {
name = tool.Source.Location
}
if currentCall.ID != "1" {
name += "(" + c.prettyIDMap[currentCall.ID] + ")"
}
msg = append(msg, name)
found := false
for _, parent := range c.calls {
if parent.ID == currentCall.ParentID {
found = true
currentCall = &parent
break
}
}
if !found {
break
}
}
slices.Reverse(msg)
result := strings.Join(msg[1:], "->")
if result == "" {
return "main"
}
return result
}
type dump struct {
ID string `json:"id,omitempty"`
Program *types.Program `json:"program,omitempty"`
Calls []call `json:"calls,omitempty"`
Input string `json:"input,omitempty"`
Output string `json:"output,omitempty"`
Err error `json:"err,omitempty"`
}
type message struct {
CompletionID string `json:"completionID,omitempty"`
Request any `json:"request,omitempty"`
Response any `json:"response,omitempty"`
Cached bool `json:"cached,omitempty"`
}
type call struct {
ID string `json:"id,omitempty"`
ParentID string `json:"parentID,omitempty"`
ToolID string `json:"toolID,omitempty"`
Messages []message `json:"messages,omitempty"`
Start time.Time `json:"start,omitempty"`
End time.Time `json:"end,omitempty"`
Input string `json:"input,omitempty"`
Output string `json:"output,omitempty"`
}
func (c call) String() string {
return c.ID
}