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update progress rendering to be closer to v0.1.10

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This commit is contained in:
Jeffrey Morgan 2023-11-19 13:43:21 -05:00
parent 95b9acd324
commit c06b9b7304
4 changed files with 46 additions and 70 deletions
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29
cmd/cmd.go
View file

@ -53,10 +53,6 @@ func CreateHandler(cmd *cobra.Command, args []string) error {
bars := make(map[string]*progress.Bar)
status := fmt.Sprintf("creating %s", args[0])
spinner := progress.NewSpinner(status)
p.Add(status, spinner)
modelfile, err := os.ReadFile(filename)
if err != nil {
return err
@ -72,10 +68,8 @@ func CreateHandler(cmd *cobra.Command, args []string) error {
return err
}
spinner.Stop()
status = "transferring model data"
spinner = progress.NewSpinner(status)
status := "transferring model data"
spinner := progress.NewSpinner(status)
p.Add(status, spinner)
for _, c := range commands {
@ -179,14 +173,14 @@ func PushHandler(cmd *cobra.Command, args []string) error {
defer p.Stop()
bars := make(map[string]*progress.Bar)
status := fmt.Sprintf("pushing %s", args[0])
spinner := progress.NewSpinner(status)
p.Add(status, spinner)
var status string
var spinner *progress.Spinner
fn := func(resp api.ProgressResponse) error {
if resp.Digest != "" {
if spinner != nil {
spinner.Stop()
}
bar, ok := bars[resp.Digest]
if !ok {
@ -197,7 +191,9 @@ func PushHandler(cmd *cobra.Command, args []string) error {
bar.Set(resp.Completed)
} else if status != resp.Status {
if spinner != nil {
spinner.Stop()
}
status = resp.Status
spinner = progress.NewSpinner(status)
@ -373,13 +369,14 @@ func PullHandler(cmd *cobra.Command, args []string) error {
bars := make(map[string]*progress.Bar)
status := fmt.Sprintf("pulling %s", args[0])
spinner := progress.NewSpinner(status)
p.Add(status, spinner)
var status string
var spinner *progress.Spinner
fn := func(resp api.ProgressResponse) error {
if resp.Digest != "" {
if spinner != nil {
spinner.Stop()
}
bar, ok := bars[resp.Digest]
if !ok {
@ -390,7 +387,9 @@ func PullHandler(cmd *cobra.Command, args []string) error {
bar.Set(resp.Completed)
} else if status != resp.Status {
if spinner != nil {
spinner.Stop()
}
status = resp.Status
spinner = progress.NewSpinner(status)

3
progress/bar.go
View file

@ -66,7 +66,8 @@ func (b *Bar) String() string {
mid.WriteString("▕")
f := termWidth - pre.Len() - suf.Len() - 2
// add 3 extra spaces: 2 boundary characters and 1 space at the end
f := termWidth - pre.Len() - suf.Len() - 3
n := int(float64(f) * b.percent() / 100)
if n > 0 {

27
progress/progress.go
View file

@ -13,9 +13,10 @@ type State interface {
type Progress struct {
mu sync.Mutex
pos int
w io.Writer
pos int
ticker *time.Ticker
states []State
}
@ -37,6 +38,7 @@ func (p *Progress) Stop() bool {
p.ticker.Stop()
p.ticker = nil
p.render()
fmt.Fprint(p.w, "\n")
return true
}
@ -50,11 +52,8 @@ func (p *Progress) StopAndClear() bool {
stopped := p.Stop()
if stopped {
// clear the progress bar by:
// 1. for each line in the progress:
// a. move the cursor up one line
// b. clear the line
for i := 0; i < p.pos; i++ {
fmt.Fprint(p.w, "\033[A\033[2K")
fmt.Fprint(p.w, "\033[A\033[2K\033[1G")
}
}
@ -75,17 +74,23 @@ func (p *Progress) render() error {
fmt.Fprint(p.w, "\033[?25l")
defer fmt.Fprint(p.w, "\033[?25h")
if p.pos > 0 {
fmt.Fprintf(p.w, "\033[%dA", p.pos)
// clear already rendered progress lines
for i := 0; i < p.pos; i++ {
if i > 0 {
fmt.Fprint(p.w, "\033[A")
}
fmt.Fprint(p.w, "\033[2K\033[1G")
}
for _, state := range p.states {
fmt.Fprintln(p.w, state.String())
// render progress lines
for i, state := range p.states {
fmt.Fprint(p.w, state.String())
if i < len(p.states)-1 {
fmt.Fprint(p.w, "\n")
}
}
if len(p.states) > 0 {
p.pos = len(p.states)
}
return nil
}

45
progress/spinner.go
View file

@ -2,11 +2,8 @@ package progress
import (
"fmt"
"os"
"strings"
"time"
"golang.org/x/term"
)
type Spinner struct {
@ -35,45 +32,28 @@ func NewSpinner(message string) *Spinner {
}
func (s *Spinner) String() string {
termWidth, _, err := term.GetSize(int(os.Stderr.Fd()))
if err != nil {
panic(err)
}
var pre strings.Builder
var sb strings.Builder
if len(s.message) > 0 {
message := strings.TrimSpace(s.message)
if s.messageWidth > 0 && len(message) > s.messageWidth {
message = message[:s.messageWidth]
}
fmt.Fprintf(&pre, "%s", message)
if s.messageWidth-pre.Len() >= 0 {
pre.WriteString(strings.Repeat(" ", s.messageWidth-pre.Len()))
fmt.Fprintf(&sb, "%s", message)
if s.messageWidth-sb.Len() >= 0 {
sb.WriteString(strings.Repeat(" ", s.messageWidth-sb.Len()))
}
pre.WriteString(" ")
sb.WriteString(" ")
}
var pad int
if s.stopped.IsZero() {
// spinner has a string length of 3 but a rune length of 1
// in order to align correctly, we need to pad with (3 - 1) = 2 spaces
spinner := s.parts[s.value]
pre.WriteString(spinner)
pad = len(spinner) - len([]rune(spinner))
sb.WriteString(spinner)
sb.WriteString(" ")
}
var suf strings.Builder
fmt.Fprintf(&suf, "(%s)", s.elapsed())
var mid strings.Builder
f := termWidth - pre.Len() - mid.Len() - suf.Len() + pad
if f > 0 {
mid.WriteString(strings.Repeat(" ", f))
}
return pre.String() + mid.String() + suf.String()
return sb.String()
}
func (s *Spinner) start() {
@ -91,12 +71,3 @@ func (s *Spinner) Stop() {
s.stopped = time.Now()
}
}
func (s *Spinner) elapsed() time.Duration {
stopped := s.stopped
if stopped.IsZero() {
stopped = time.Now()
}
return stopped.Sub(s.started).Round(time.Second)
}