mirror of https://github.com/ollama/ollama.git
				
				
				
			
		
			
				
	
	
		
			104 lines
		
	
	
		
			1.5 KiB
		
	
	
	
		
			Go
		
	
	
	
			
		
		
	
	
			104 lines
		
	
	
		
			1.5 KiB
		
	
	
	
		
			Go
		
	
	
	
| package progress
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| 
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| import (
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| 	"fmt"
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| 	"io"
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| 	"sync"
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| 	"time"
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| )
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| 
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| type State interface {
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| 	String() string
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| }
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| 
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| type Progress struct {
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| 	mu sync.Mutex
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| 	w  io.Writer
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| 
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| 	pos int
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| 
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| 	ticker *time.Ticker
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| 	states []State
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| }
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| 
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| func NewProgress(w io.Writer) *Progress {
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| 	p := &Progress{w: w}
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| 	go p.start()
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| 	return p
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| }
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| 
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| func (p *Progress) Stop() bool {
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| 	for _, state := range p.states {
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| 		if spinner, ok := state.(*Spinner); ok {
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| 			spinner.Stop()
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| 		}
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| 	}
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| 
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| 	if p.ticker != nil {
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| 		p.ticker.Stop()
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| 		p.ticker = nil
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| 		p.render()
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| 		fmt.Fprint(p.w, "\n")
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| 		return true
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| 	}
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| 
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| 	return false
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| }
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| 
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| func (p *Progress) StopAndClear() bool {
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| 	fmt.Fprint(p.w, "\033[?25l")
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| 	defer fmt.Fprint(p.w, "\033[?25h")
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| 
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| 	stopped := p.Stop()
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| 	if stopped {
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| 		// clear all progress lines
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| 		for i := 0; i < p.pos; i++ {
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| 			fmt.Fprint(p.w, "\033[A\033[2K\033[1G")
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| 		}
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| 	}
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| 
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| 	return stopped
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| }
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| 
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| func (p *Progress) Add(key string, state State) {
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| 	p.mu.Lock()
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| 	defer p.mu.Unlock()
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| 
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| 	p.states = append(p.states, state)
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| }
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| 
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| func (p *Progress) render() error {
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| 	p.mu.Lock()
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| 	defer p.mu.Unlock()
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| 
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| 	fmt.Fprint(p.w, "\033[?25l")
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| 	defer fmt.Fprint(p.w, "\033[?25h")
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| 
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| 	// clear already rendered progress lines
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| 	for i := 0; i < p.pos; i++ {
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| 		if i > 0 {
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| 			fmt.Fprint(p.w, "\033[A")
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| 		}
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| 		fmt.Fprint(p.w, "\033[2K\033[1G")
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| 	}
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| 
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| 	// render progress lines
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| 	for i, state := range p.states {
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| 		fmt.Fprint(p.w, state.String())
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| 		if i < len(p.states)-1 {
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| 			fmt.Fprint(p.w, "\n")
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| 		}
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| 	}
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| 
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| 	p.pos = len(p.states)
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| 
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| 	return nil
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| }
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| 
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| func (p *Progress) start() {
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| 	p.ticker = time.NewTicker(100 * time.Millisecond)
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| 	for range p.ticker.C {
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| 		p.render()
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| 	}
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| }
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