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.github | 7 months ago | |
_examples | 1 week ago | |
_svg | 4 years ago | |
cwriter | 9 months ago | |
decor | 2 weeks ago | |
internal | 2 years ago | |
.gitignore | 6 years ago | |
CONTRIBUTING | 3 months ago | |
README.md | 1 week ago | |
UNLICENSE | 4 years ago | |
bar.go | 15 hours ago | |
bar_filler.go | 5 months ago | |
bar_filler_bar.go | 4 months ago | |
bar_filler_nop.go | 5 months ago | |
bar_filler_spinner.go | 4 months ago | |
bar_option.go | 5 months ago | |
bar_test.go | 1 month ago | |
barbench_test.go | 9 months ago | |
container_option.go | 2 months ago | |
decorators_test.go | 1 week ago | |
doc.go | 4 years ago | |
draw_test.go | 5 months ago | |
example_test.go | 16 hours ago | |
export_test.go | 9 months ago | |
go.mod | 1 week ago | |
go.sum | 1 week ago | |
heap_manager.go | 3 months ago | |
priority_queue.go | 3 months ago | |
progress.go | 15 hours ago | |
progress_test.go | 4 months ago | |
proxyreader.go | 1 year ago | |
proxyreader_test.go | 1 year ago | |
proxywriter.go | 1 year ago | |
proxywriter_test.go | 1 year ago |
mpb is a Go lib for rendering progress bars in terminal applications.
package main
import (
"math/rand"
"time"
"github.com/vbauerster/mpb/v8"
"github.com/vbauerster/mpb/v8/decor"
)
func main() {
// initialize progress container, with custom width
p := mpb.New(mpb.WithWidth(64))
total := 100
name := "Single Bar:"
// create a single bar, which will inherit container's width
bar := p.New(int64(total),
// BarFillerBuilder with custom style
mpb.BarStyle().Lbound("╢").Filler("▌").Tip("▌").Padding("░").Rbound("╟"),
mpb.PrependDecorators(
// display our name with one space on the right
decor.Name(name, decor.WC{C: decor.DindentRight | decor.DextraSpace}),
// replace ETA decorator with "done" message, OnComplete event
decor.OnComplete(decor.AverageETA(decor.ET_STYLE_GO), "done"),
),
mpb.AppendDecorators(decor.Percentage()),
)
// simulating some work
max := 100 * time.Millisecond
for i := 0; i < total; i++ {
time.Sleep(time.Duration(rand.Intn(10)+1) * max / 10)
bar.Increment()
}
// wait for our bar to complete and flush
p.Wait()
}
var wg sync.WaitGroup
// passed wg will be accounted at p.Wait() call
p := mpb.New(mpb.WithWaitGroup(&wg))
total, numBars := 100, 3
wg.Add(numBars)
for i := 0; i < numBars; i++ {
name := fmt.Sprintf("Bar#%d:", i)
bar := p.AddBar(int64(total),
mpb.PrependDecorators(
// simple name decorator
decor.Name(name),
// decor.DSyncWidth bit enables column width synchronization
decor.Percentage(decor.WCSyncSpace),
),
mpb.AppendDecorators(
// replace ETA decorator with "done" message, OnComplete event
decor.OnComplete(
// ETA decorator with ewma age of 30
decor.EwmaETA(decor.ET_STYLE_GO, 30, decor.WCSyncWidth), "done",
),
),
)
// simulating some work
go func() {
defer wg.Done()
rng := rand.New(rand.NewSource(time.Now().UnixNano()))
max := 100 * time.Millisecond
for i := 0; i < total; i++ {
// start variable is solely for EWMA calculation
// EWMA's unit of measure is an iteration's duration
start := time.Now()
time.Sleep(time.Duration(rng.Intn(10)+1) * max / 10)
// we need to call EwmaIncrement to fulfill ewma decorator's contract
bar.EwmaIncrement(time.Since(start))
}
}()
}
// wait for passed wg and for all bars to complete and flush
p.Wait()