- class progressbarClass:
- def __init__(self, finalcount, progresschar=None):
- import sys
- self.finalcount=finalcount
- self.blockcount=0
- #
- # See if caller passed me a character to use on the
- # progress bar (like "*"). If not use the block
- # character that makes it look like a real progress
- # bar.
- #
- if not progresschar: self.block=chr(178)
- else: self.block=progresschar
- #
- # Get pointer to sys.stdout so I can use the write/flush
- # methods to display the progress bar.
- #
- self.f=sys.stdout
- #
- # If the final count is zero, don't start the progress gauge
- #
- 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')
- return
- def progress(self, count):
- #
- # Make sure I don't try to go off the end (e.g. >100%)
- #
- count=min(count, self.finalcount)
- #
- # If finalcount is zero, I'm done
- #
- if self.finalcount:
- percentcomplete=int(round(100*count/self.finalcount))
- if percentcomplete < 1: percentcomplete=1
- else:
- percentcomplete=100
- #print "percentcomplete=",percentcomplete
- blockcount=int(percentcomplete/2)
- #print "blockcount=",blockcount
- if blockcount > self.blockcount:
- for i in range(self.blockcount,blockcount):
- self.f.write(self.block)
- self.f.flush()
- if percentcomplete == 100: self.f.write("\n")
- self.blockcount=blockcount
- return
- if __name__ == "__main__":
- from time import sleep
- pb=progressbarClass(8,"*")
- count=0
- while count<9:
- count+=1
- pb.progress(count)
- sleep(0.2)
- pb=progressbarClass(100)
- pb.progress(20)
- sleep(0.2)
- pb.progress(47)
- sleep(0.2)
- pb.progress(90)
- sleep(0.2)
- pb.progress(100)
- print "testing 1:"
- pb=progressbarClass(1)
- pb.progress(1)
本文转自阿汐 51CTO博客,原文链接:http://blog.51cto.com/axiii/301207,如需转载请自行联系原作者