Production of Python's progress bar

1 ImportSys,time2 #Import Module3 4  forIinchRange (50):5 #the length of the progress bar6Sys.stdout.write ("#")7 #the contents of the progress bar, it is important to note that Pycharm may not show the method of write8 Sys.stdout.flush ()9 #Refresh CacheTenTime.sleep (0.5) One #time interval, like the Shell's sleep.

Or

ImportSYSclassProgressBar (object):def __init__(Self, finalcount, block_char='.'): Self.finalcount=Finalcount Self.blockcount=0 Self.block=Block_char self.f=Sys.stdoutif  notSelf.finalcount:returnSelf.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')     defProgress (self, count): Count=min (count, Self.finalcount)ifSelf.finalcount:percentcomplete= Int (Round (100.0 * Count/self.finalcount))ifPercentComplete < 1: PercentComplete= 1Else: PercentComplete= 100Blockcount= Int (PercentComplete//2)        ifBlockcount <=Self.blockcount:return         forIinchRange (Self.blockcount, Blockcount): Self.f.write (Self.block) Self.f.flush () Self.blockcount =BlockcountifPercentComplete = = 100: Self.f.write ("\ n") if __name__=="__main__":     fromTimeImportSleep PB= ProgressBar (8,"*")     forCountinchRange (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)

Or:

#-*-coding:utf-8-*-ImportSys, timeclassshowprocess ():"""The class that displays the progress of the process calls the class-related function to enable the display of processing progress"""I= 0#Current Processing ProgressMax_steps = 0#total number of processes requiredMax_arrow = 50#the length of the progress bar    #initialization function, you need to know the total number of processing times    def __init__(self, max_steps): Self.max_steps=max_steps self.i=0#Display the function, according to the current processing progress I show progress    #effect is [>>>>>>>>>>>>>>>>>>>>>>>>> >>>>>>>>>>>>>>>>>>>>>>>>>]100.00%     defShow_process (Self, i=None):ifI is  notnone:self.i=IElse: self.i+ = 1Num_arrow= Int (SELF.I * self.max_arrow/self.max_steps)#calculation shows how many ' > 'Num_line = Self.max_arrow-num_arrow#calculation shows how many '-'Percent = SELF.I * 100.0/self.max_steps#Calculate completion progress, formatted as xx.xx%Process_bar ='['+'>'* Num_arrow +'-'* Num_line +']'                      +'%.2f'% percent +'%'+'\ r' #string with output, ' \ r ' means no line break back to the leftSys.stdout.write (Process_bar)#These two sentences print characters to the terminalSys.stdout.flush ()defClose (self, words=' Done'):        Print "'        Printwords self.i=0if __name__=='__main__': Max_steps= 100Process_bar=showprocess (max_steps) forIinchRange (Max_steps + 1): Process_bar.show_process () time.sleep (0.05) Process_bar.close ()

Or:

 fromTkinterImport*defResize (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 ()

Production of Python's progress bar