打印一个百分进度

progress.py

import sys
import time

from termcolor import colored


class Progress(object):

    def __init__(self):
        size = 0
        description = ''

    def new(self, size=0, description=''):
        self.size = size
        self.description = description
        self.counter = 0
        self.text = None

    def check(self, text):
        self.counter += 1
        if self.text:
            sys.stdout.write("\r" + " " * (len(self.description) + 8 + len(self.text)))
        sys.stdout.write("\r")
        sys.stdout.write(self.description)
        sys.stdout.write(" [%3d%%]" % int(100 * self.counter / self.size))
        sys.stdout.write(" %s" % text)
        sys.stdout.flush()
        self.text = text


progress = Progress()

progress.new(size=120, description="Do sothing")

for i in range(10):
    progress.check(str(13-i))
    time.sleep(0.25)