import sys,time

 #导入模块

 for i in range(50):

 #进度条的长度

     sys.stdout.write("#")

 #进度条的内容，这里要注意了，pycharm有可能不显示write的方法

     sys.stdout.flush()

 #刷新缓存

     time.sleep(0.5)

 #间隔时间，和shell的sleep差不多吧

import sys

class progressbar(object):

    def __init__(self, finalcount, block_char='.'):

        self.finalcount = finalcount

        self.blockcount = 0

        self.block = block_char

        self.f = sys.stdout

        if not self.finalcount:

            return

        self.f.write('\n------------------ % Progress -------------------1\n')

        self.f.write('  1  2  3  4  5  6  7  8  9  0\n')

        self.f.write('----0----0----0----0----0----0----0----0----0----0\n')

    def progress(self, count):

        count = min(count, self.finalcount)

        if self.finalcount:

            percentcomplete = int(round(100.0 * count / self.finalcount))

            if percentcomplete < 1:

                percentcomplete = 1

        else:

            percentcomplete = 100

        blockcount = int(percentcomplete // 2)

        if blockcount <= self.blockcount:

            return

        for i in range(self.blockcount, blockcount):

            self.f.write(self.block)

        self.f.flush()

        self.blockcount = blockcount

        if percentcomplete == 100:

            self.f.write("\n")

if __name__ == "__main__":

    from time import sleep

    pb = progressbar(8, "*")

    for count in range(1, 9):

        pb.progress(count)

        sleep(0.2)

    pb = progressbar(100)

    pb.progress(20)

    sleep(0.3)

    pb.progress(47)

    sleep(0.3)

    pb.progress(90)

    sleep(0.3)

    pb.progress(100)

    print "testing 1:"

    pb = progressbar(1)

    pb.progress(1)

# -*- coding: UTF-8 -*-

import sys, time

class ShowProcess():

    """

    显示处理进度的类

    调用该类相关函数即可实现处理进度的显示

    """

    i = 0 # 当前的处理进度

    max_steps = 0 # 总共需要处理的次数

    max_arrow = 50 #进度条的长度

    # 初始化函数，需要知道总共的处理次数

    def __init__(self, max_steps):

        self.max_steps = max_steps

        self.i = 0

    # 显示函数，根据当前的处理进度i显示进度

    # 效果为[>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>]100.00%

    def show_process(self, i=None):

        if i is not None:

            self.i = i

        else：

            self.i += 1

        num_arrow = int(self.i * self.max_arrow / self.max_steps) #计算显示多少个'>'

        num_line = self.max_arrow - num_arrow #计算显示多少个'-'

        percent = self.i * 100.0 / self.max_steps #计算完成进度，格式为xx.xx%

        process_bar = '[' + '>' * num_arrow + '-' * num_line + ']'\

                      + '%.2f' % percent + '%' + '\r' #带输出的字符串，'\r'表示不换行回到最左边

        sys.stdout.write(process_bar) #这两句打印字符到终端

        sys.stdout.flush()

    def close(self, words='done'):

        print ''

        print words

        self.i = 0

if __name__=='__main__':

    max_steps = 100

    process_bar = ShowProcess(max_steps)

    for i in range(max_steps + 1):

        process_bar.show_process()

        time.sleep(0.05)

    process_bar.close()

from Tkinter import *

def resize(ev=None):

    label.config(font='Helvetica -%d bold' % scale.get())

top = Tk()

top.geometry()

label = Label(top, text = 'hello world!', font = 'Helvetica -12 bold')

label.pack(fill=Y,expand=1)

scale = Scale(top, from_=10, to=40, orient=HORIZONTAL, command=resize)

scale.set(12)

scale.pack(fill=X, expand=1)

quit = Button(top, text="QUIT", command=top.quit, activeforeground='white', activebackground='red')

quit.pack()

mainloop()