实现如下所示的状态栏:
[========== ] 45%
[================ ] 60%
[==========================] 100%
我想把这个打印到标准输出,并保持刷新,而不是打印到另一行。如何做到这一点?
实现如下所示的状态栏:
[========== ] 45%
[================ ] 60%
[==========================] 100%
我想把这个打印到标准输出,并保持刷新,而不是打印到另一行。如何做到这一点?
当前回答
import progressbar
import time
# Function to create
def animated_marker():
widgets = ['Loading: ', progressbar.Bar('=', '[', ']', '-'), progressbar.Percentage()]
bar = progressbar.ProgressBar(max_value=200,widgets=widgets).start()
for i in range(200):
time.sleep(0.1)
bar.update(i+1)
bar.finish()
# Driver's code
animated_marker()
其他回答
在这里你可以使用以下代码作为函数:
def drawProgressBar(percent, barLen = 20):
sys.stdout.write("\r")
progress = ""
for i in range(barLen):
if i < int(barLen * percent):
progress += "="
else:
progress += " "
sys.stdout.write("[ %s ] %.2f%%" % (progress, percent * 100))
sys.stdout.flush()
使用.format:
def drawProgressBar(percent, barLen = 20):
# percent float from 0 to 1.
sys.stdout.write("\r")
sys.stdout.write("[{:<{}}] {:.0f}%".format("=" * int(barLen * percent), barLen, percent * 100))
sys.stdout.flush()
在这里和其他地方的一些答案的基础上,我编写了这个简单的函数,它显示一个进度条和经过/估计的剩余时间。应该在大多数基于unix的机器上运行。
import time
import sys
percent = 50.0
start = time.time()
draw_progress_bar(percent, start)
def draw_progress_bar(percent, start, barLen=20):
sys.stdout.write("\r")
progress = ""
for i in range(barLen):
if i < int(barLen * percent):
progress += "="
else:
progress += " "
elapsedTime = time.time() - start;
estimatedRemaining = int(elapsedTime * (1.0/percent) - elapsedTime)
if (percent == 1.0):
sys.stdout.write("[ %s ] %.1f%% Elapsed: %im %02is ETA: Done!\n" %
(progress, percent * 100, int(elapsedTime)/60, int(elapsedTime)%60))
sys.stdout.flush()
return
else:
sys.stdout.write("[ %s ] %.1f%% Elapsed: %im %02is ETA: %im%02is " %
(progress, percent * 100, int(elapsedTime)/60, int(elapsedTime)%60,
estimatedRemaining/60, estimatedRemaining%60))
sys.stdout.flush()
return
def printProgressBar(value,label):
n_bar = 40 #size of progress bar
max = 100
j= value/max
sys.stdout.write('\r')
bar = '█' * int(n_bar * j)
bar = bar + '-' * int(n_bar * (1-j))
sys.stdout.write(f"{label.ljust(10)} | [{bar:{n_bar}s}] {int(100 * j)}% ")
sys.stdout.flush()
电话:
printProgressBar(30,"IP")
知识产权 |[██████████████----------------------------] 30%
你可以使用\r(回车)。演示:
import sys
total = 10000000
point = total / 100
increment = total / 20
for i in xrange(total):
if(i % (5 * point) == 0):
sys.stdout.write("\r[" + "=" * (i / increment) + " " * ((total - i)/ increment) + "]" + str(i / point) + "%")
sys.stdout.flush()
根据上面的答案和其他类似的关于CLI进度条的问题,我想我得到了一个普遍的答案。请登录https://stackoverflow.com/a/15860757/2254146查看。
下面是这个函数的一个副本,但是为了适合你的风格进行了修改:
import time, sys
# update_progress() : Displays or updates a console progress bar
## Accepts a float between 0 and 1. Any int will be converted to a float.
## A value under 0 represents a 'halt'.
## A value at 1 or bigger represents 100%
def update_progress(progress):
barLength = 20 # Modify this to change the length of the progress bar
status = ""
if isinstance(progress, int):
progress = float(progress)
if not isinstance(progress, float):
progress = 0
status = "error: progress var must be float\r\n"
if progress < 0:
progress = 0
status = "Halt...\r\n"
if progress >= 1:
progress = 1
status = "Done...\r\n"
block = int(round(barLength*progress))
text = "\rPercent: [{0}] {1}% {2}".format( "="*block + " "*(barLength-block), progress*100, status)
sys.stdout.write(text)
sys.stdout.flush()
看起来像
百分比:[====================]99.0%