python通过定义一个类实例作为ftp回调方法

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Release: 2016-06-06 11:15:22
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本文实例讲述了python通过定义一个类实例作为ftp回调方法。分享给大家供大家参考。具体实现方法如下:

class Writer:
  def __init__(self, file):
    self.f = open(file, "w")
  def __call__(self, data):
    self.f.write(data)
    self.f.write('\n')
    print data
FILENAME = "AutoIndent.py"
writer = Writer(FILENAME)
import ftplib
ftp = ftplib.FTP('127.0.0.1', 'book', 'bookpw')
ftp.retrlines("RETR %s" % FILENAME, writer)
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希望本文所述对大家的Python程序设计有所帮助。

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