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new feature: add spinners (#59)
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* add spinners

* fix tests
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schollz authored Apr 30, 2020
1 parent 3073457 commit d0f755b
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Showing 3 changed files with 123 additions and 3 deletions.
24 changes: 23 additions & 1 deletion progressbar.go
Original file line number Diff line number Diff line change
Expand Up @@ -4,6 +4,7 @@ import (
"errors"
"fmt"
"io"
"math"
"os"
"regexp"
"strings"
Expand Down Expand Up @@ -77,6 +78,9 @@ type config struct {
// clear bar once finished
clearOnFinish bool

// spinnerType should be a number between 0-75
spinnerType int

onCompletion func()
}

Expand All @@ -99,6 +103,13 @@ func OptionSetWidth(s int) Option {
}
}

// OptionSpinnerType sets the type of spinner used for indeterminate bars
func OptionSpinnerType(spinnerType int) Option {
return func(p *ProgressBar) {
p.config.spinnerType = spinnerType
}
}

// OptionSetTheme sets the elements the bar is constructed of
func OptionSetTheme(t Theme) Option {
return func(p *ProgressBar) {
Expand Down Expand Up @@ -204,13 +215,18 @@ func NewOptions64(max int64, options ...Option) *ProgressBar {
max: max,
throttleDuration: 0 * time.Nanosecond,
predictTime: true,
spinnerType: 9,
},
}

for _, o := range options {
o(&b)
}

if b.config.spinnerType < 0 || b.config.spinnerType > 75 {
panic("invalid spinner type, must be between 0 and 75")
}

// ignoreLength if max bytes not known
if b.config.max == -1 {
b.config.ignoreLength = true
Expand Down Expand Up @@ -519,7 +535,13 @@ func renderProgressBar(c config, s state) (int, error) {
Progress Bar format
Description % |------ | (kb/s) (iteration count) (iteration rate) (predict time)
*/
if c.ignoreLength || leftBrac == "" {
if c.ignoreLength {
str = fmt.Sprintf("\r%s %s %s ",
spinners[c.spinnerType][int(math.Mod(s.currentBytes, float64(len(spinners[c.spinnerType]))))],
c.description,
bytesString,
)
} else if leftBrac == "" {
str = fmt.Sprintf("\r%s%4d%% %s%s%s%s %s ",
c.description,
s.currentPercent,
Expand Down
22 changes: 20 additions & 2 deletions progressbar_test.go
Original file line number Diff line number Diff line change
Expand Up @@ -155,7 +155,25 @@ func ExampleIgnoreLength_WithIteration() {
bar.Add(5)

// Output:
// 50% | █ | (5/-, 5 it/s)
// / (5/-, 5 it/s)
}

func TestSpinnerType(t *testing.T) {
bar := NewOptions(-1,
OptionSetWidth(10),
OptionSetDescription("indeterminate spinner"),
OptionShowIts(),
OptionShowCount(),
OptionSpinnerType(1),
)
bar.Reset()
for i := 0; i < 10; i++ {
time.Sleep(100 * time.Millisecond)
bar.Add(1)
}
if false {
t.Errorf("error")
}
}

func ExampleIgnoreLength_WithSpeed() {
Expand All @@ -174,7 +192,7 @@ func ExampleIgnoreLength_WithSpeed() {
bar.Add(11)

// Output:
// 10% |█ | (0.011 kB/s)
// \ (0.011 kB/s)
}

func TestBar(t *testing.T) {
Expand Down
80 changes: 80 additions & 0 deletions spinners.go
Original file line number Diff line number Diff line change
@@ -0,0 +1,80 @@
package progressbar

var spinners = map[int][]string{
0: {"←", "↖", "↑", "↗", "→", "↘", "↓", "↙"},
1: {"▁", "▃", "▄", "▅", "▆", "▇", "█", "▇", "▆", "▅", "▄", "▃", "▁"},
2: {"▖", "▘", "▝", "▗"},
3: {"┤", "┘", "┴", "└", "├", "┌", "┬", "┐"},
4: {"◢", "◣", "◤", "◥"},
5: {"◰", "◳", "◲", "◱"},
6: {"◴", "◷", "◶", "◵"},
7: {"◐", "◓", "◑", "◒"},
8: {".", "o", "O", "@", "*"},
9: {"|", "/", "-", "\\"},
10: {"◡◡", "⊙⊙", "◠◠"},
11: {"⣾", "⣽", "⣻", "⢿", "⡿", "⣟", "⣯", "⣷"},
12: {">))'>", " >))'>", " >))'>", " >))'>", " >))'>", " <'((<", " <'((<", " <'((<"},
13: {"⠁", "⠂", "⠄", "⡀", "⢀", "⠠", "⠐", "⠈"},
14: {"⠋", "⠙", "⠹", "⠸", "⠼", "⠴", "⠦", "⠧", "⠇", "⠏"},
15: {"a", "b", "c", "d", "e", "f", "g", "h", "i", "j", "k", "l", "m", "n", "o", "p", "q", "r", "s", "t", "u", "v", "w", "x", "y", "z"},
16: {"▉", "▊", "▋", "▌", "▍", "▎", "▏", "▎", "▍", "▌", "▋", "▊", "▉"},
17: {"■", "□", "▪", "▫"},
18: {"←", "↑", "→", "↓"},
19: {"╫", "╪"},
20: {"⇐", "⇖", "⇑", "⇗", "⇒", "⇘", "⇓", "⇙"},
21: {"⠁", "⠁", "⠉", "⠙", "⠚", "⠒", "⠂", "⠂", "⠒", "⠲", "⠴", "⠤", "⠄", "⠄", "⠤", "⠠", "⠠", "⠤", "⠦", "⠖", "⠒", "⠐", "⠐", "⠒", "⠓", "⠋", "⠉", "⠈", "⠈"},
22: {"⠈", "⠉", "⠋", "⠓", "⠒", "⠐", "⠐", "⠒", "⠖", "⠦", "⠤", "⠠", "⠠", "⠤", "⠦", "⠖", "⠒", "⠐", "⠐", "⠒", "⠓", "⠋", "⠉", "⠈"},
23: {"⠁", "⠉", "⠙", "⠚", "⠒", "⠂", "⠂", "⠒", "⠲", "⠴", "⠤", "⠄", "⠄", "⠤", "⠴", "⠲", "⠒", "⠂", "⠂", "⠒", "⠚", "⠙", "⠉", "⠁"},
24: {"⠋", "⠙", "⠚", "⠒", "⠂", "⠂", "⠒", "⠲", "⠴", "⠦", "⠖", "⠒", "⠐", "⠐", "⠒", "⠓", "⠋"},
25: {"ヲ", "ァ", "ィ", "ゥ", "ェ", "ォ", "ャ", "ュ", "ョ", "ッ", "ア", "イ", "ウ", "エ", "オ", "カ", "キ", "ク", "ケ", "コ", "サ", "シ", "ス", "セ", "ソ", "タ", "チ", "ツ", "テ", "ト", "ナ", "ニ", "ヌ", "ネ", "ノ", "ハ", "ヒ", "フ", "ヘ", "ホ", "マ", "ミ", "ム", "メ", "モ", "ヤ", "ユ", "ヨ", "ラ", "リ", "ル", "レ", "ロ", "ワ", "ン"},
26: {".", "..", "..."},
27: {"▁", "▂", "▃", "▄", "▅", "▆", "▇", "█", "▉", "▊", "▋", "▌", "▍", "▎", "▏", "▏", "▎", "▍", "▌", "▋", "▊", "▉", "█", "▇", "▆", "▅", "▄", "▃", "▂", "▁"},
28: {".", "o", "O", "°", "O", "o", "."},
29: {"+", "x"},
30: {"v", "<", "^", ">"},
31: {">>--->", " >>--->", " >>--->", " >>--->", " >>--->", " <---<<", " <---<<", " <---<<", " <---<<", "<---<<"},
32: {"|", "||", "|||", "||||", "|||||", "|||||||", "||||||||", "|||||||", "||||||", "|||||", "||||", "|||", "||", "|"},
33: {"[ ]", "[= ]", "[== ]", "[=== ]", "[==== ]", "[===== ]", "[====== ]", "[======= ]", "[======== ]", "[========= ]", "[==========]"},
34: {"(*---------)", "(-*--------)", "(--*-------)", "(---*------)", "(----*-----)", "(-----*----)", "(------*---)", "(-------*--)", "(--------*-)", "(---------*)"},
35: {"█▒▒▒▒▒▒▒▒▒", "███▒▒▒▒▒▒▒", "█████▒▒▒▒▒", "███████▒▒▒", "██████████"},
36: {"[ ]", "[=> ]", "[===> ]", "[=====> ]", "[======> ]", "[========> ]", "[==========> ]", "[============> ]", "[==============> ]", "[================> ]", "[==================> ]", "[===================>]"},
37: {"ဝ", "၀"},
38: {"▌", "▀", "▐▄"},
39: {"🌍", "🌎", "🌏"},
40: {"◜", "◝", "◞", "◟"},
41: {"⬒", "⬔", "⬓", "⬕"},
42: {"⬖", "⬘", "⬗", "⬙"},
43: {"[>>> >]", "[]>>>> []", "[] >>>> []", "[] >>>> []", "[] >>>> []", "[] >>>>[]", "[>> >>]"},
44: {"♠", "♣", "♥", "♦"},
45: {"➞", "➟", "➠", "➡", "➠", "➟"},
46: {" | ", ` \ `, "_ ", ` \ `, " | ", " / ", " _", " / "},
47: {" . . . .", ". . . .", ". . . .", ". . . .", ". . . . ", ". . . . ."},
48: {" | ", " / ", " _ ", ` \ `, " | ", ` \ `, " _ ", " / "},
49: {"⎺", "⎻", "⎼", "⎽", "⎼", "⎻"},
50: {"▹▹▹▹▹", "▸▹▹▹▹", "▹▸▹▹▹", "▹▹▸▹▹", "▹▹▹▸▹", "▹▹▹▹▸"},
51: {"[ ]", "[ =]", "[ ==]", "[ ===]", "[====]", "[=== ]", "[== ]", "[= ]"},
52: {"( ● )", "( ● )", "( ● )", "( ● )", "( ●)", "( ● )", "( ● )", "( ● )", "( ● )"},
53: {"✶", "✸", "✹", "✺", "✹", "✷"},
54: {"▐|\\____________▌", "▐_|\\___________▌", "▐__|\\__________▌", "▐___|\\_________▌", "▐____|\\________▌", "▐_____|\\_______▌", "▐______|\\______▌", "▐_______|\\_____▌", "▐________|\\____▌", "▐_________|\\___▌", "▐__________|\\__▌", "▐___________|\\_▌", "▐____________|\\▌", "▐____________/|▌", "▐___________/|_▌", "▐__________/|__▌", "▐_________/|___▌", "▐________/|____▌", "▐_______/|_____▌", "▐______/|______▌", "▐_____/|_______▌", "▐____/|________▌", "▐___/|_________▌", "▐__/|__________▌", "▐_/|___________▌", "▐/|____________▌"},
55: {"▐⠂ ▌", "▐⠈ ▌", "▐ ⠂ ▌", "▐ ⠠ ▌", "▐ ⡀ ▌", "▐ ⠠ ▌", "▐ ⠂ ▌", "▐ ⠈ ▌", "▐ ⠂ ▌", "▐ ⠠ ▌", "▐ ⡀ ▌", "▐ ⠠ ▌", "▐ ⠂ ▌", "▐ ⠈ ▌", "▐ ⠂▌", "▐ ⠠▌", "▐ ⡀▌", "▐ ⠠ ▌", "▐ ⠂ ▌", "▐ ⠈ ▌", "▐ ⠂ ▌", "▐ ⠠ ▌", "▐ ⡀ ▌", "▐ ⠠ ▌", "▐ ⠂ ▌", "▐ ⠈ ▌", "▐ ⠂ ▌", "▐ ⠠ ▌", "▐ ⡀ ▌", "▐⠠ ▌"},
56: {"¿", "?"},
57: {"⢹", "⢺", "⢼", "⣸", "⣇", "⡧", "⡗", "⡏"},
58: {"⢄", "⢂", "⢁", "⡁", "⡈", "⡐", "⡠"},
59: {". ", ".. ", "...", " ..", " .", " "},
60: {".", "o", "O", "°", "O", "o", "."},
61: {"▓", "▒", "░"},
62: {"▌", "▀", "▐", "▄"},
63: {"⊶", "⊷"},
64: {"▪", "▫"},
65: {"□", "■"},
66: {"▮", "▯"},
67: {"-", "=", "≡"},
68: {"d", "q", "p", "b"},
69: {"∙∙∙", "●∙∙", "∙●∙", "∙∙●", "∙∙∙"},
70: {"🌑 ", "🌒 ", "🌓 ", "🌔 ", "🌕 ", "🌖 ", "🌗 ", "🌘 "},
71: {"☗", "☖"},
72: {"⧇", "⧆"},
73: {"◉", "◎"},
74: {"㊂", "㊀", "㊁"},
75: {"⦾", "⦿"},
}

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