2023-11-15 00:33:16 +00:00
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package progress
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import (
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"fmt"
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2023-11-19 16:00:43 +00:00
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"math"
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2023-11-15 00:33:16 +00:00
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"os"
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"strings"
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"time"
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"github.com/jmorganca/ollama/format"
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"golang.org/x/term"
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)
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2023-11-20 15:58:13 +00:00
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type Stats struct {
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rate int64
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value int64
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remaining time.Duration
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}
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2023-11-15 00:33:16 +00:00
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type Bar struct {
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message string
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messageWidth int
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maxValue int64
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initialValue int64
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currentValue int64
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started time.Time
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stats Stats
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statted time.Time
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}
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func NewBar(message string, maxValue, initialValue int64) *Bar {
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return &Bar{
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message: message,
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messageWidth: -1,
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maxValue: maxValue,
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initialValue: initialValue,
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currentValue: initialValue,
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started: time.Now(),
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}
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}
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func (b *Bar) String() string {
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termWidth, _, err := term.GetSize(int(os.Stderr.Fd()))
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if err != nil {
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2023-11-20 04:50:45 +00:00
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termWidth = 80
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2023-11-15 00:33:16 +00:00
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}
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var pre, mid, suf strings.Builder
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if b.message != "" {
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message := strings.TrimSpace(b.message)
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if b.messageWidth > 0 && len(message) > b.messageWidth {
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message = message[:b.messageWidth]
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}
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fmt.Fprintf(&pre, "%s", message)
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if b.messageWidth-pre.Len() >= 0 {
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pre.WriteString(strings.Repeat(" ", b.messageWidth-pre.Len()))
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}
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pre.WriteString(" ")
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}
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2023-11-19 16:00:43 +00:00
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fmt.Fprintf(&pre, "%3.0f%% ", math.Floor(b.percent()))
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fmt.Fprintf(&suf, "(%s/%s", format.HumanBytes(b.currentValue), format.HumanBytes(b.maxValue))
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stats := b.Stats()
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rate := int64(stats.rate)
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if rate > 0 {
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fmt.Fprintf(&suf, ", %s/s", format.HumanBytes(rate))
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}
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fmt.Fprintf(&suf, ")")
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elapsed := time.Since(b.started)
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if b.percent() < 100 && rate > 0 {
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fmt.Fprintf(&suf, " [%s:%s]", elapsed.Round(time.Second), stats.remaining)
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} else {
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fmt.Fprintf(&suf, " ")
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}
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2023-11-15 00:33:16 +00:00
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2023-11-19 14:54:33 +00:00
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mid.WriteString("▕")
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2023-11-19 18:43:21 +00:00
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// add 3 extra spaces: 2 boundary characters and 1 space at the end
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f := termWidth - pre.Len() - suf.Len() - 3
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n := int(float64(f) * b.percent() / 100)
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2023-11-19 14:54:33 +00:00
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if n > 0 {
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mid.WriteString(strings.Repeat("█", n))
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}
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if f-n > 0 {
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mid.WriteString(strings.Repeat(" ", f-n))
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}
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2023-11-19 14:54:33 +00:00
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mid.WriteString("▏")
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return pre.String() + mid.String() + suf.String()
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}
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func (b *Bar) Set(value int64) {
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if value >= b.maxValue {
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value = b.maxValue
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}
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b.currentValue = value
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}
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func (b *Bar) percent() float64 {
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if b.maxValue > 0 {
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return float64(b.currentValue) / float64(b.maxValue) * 100
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}
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return 0
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}
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2023-11-20 15:58:13 +00:00
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func (b *Bar) Stats() Stats {
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if time.Since(b.statted) < time.Second {
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return b.stats
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2023-11-15 22:52:21 +00:00
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}
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2023-11-20 19:22:39 +00:00
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switch {
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case b.statted.IsZero():
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b.stats = Stats{
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value: b.initialValue,
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rate: 0,
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remaining: 0,
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}
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case b.currentValue >= b.maxValue:
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b.stats = Stats{
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value: b.maxValue,
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rate: 0,
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remaining: 0,
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}
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default:
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rate := b.currentValue - b.stats.value
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var remaining time.Duration
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if rate > 0 {
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remaining = time.Second * time.Duration((float64(b.maxValue-b.currentValue))/(float64(rate)))
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}
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2023-11-20 15:58:13 +00:00
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b.stats = Stats{
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value: b.currentValue,
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rate: rate,
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remaining: remaining,
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}
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}
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2023-11-20 15:58:13 +00:00
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b.statted = time.Now()
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return b.stats
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}
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