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#!/usr/bin/python import os.path import pycurl import sys pycurl.global_init(pycurl.GLOBAL_DEFAULT) def write_cb(_): # this should cause pycurl.WRITEFUNCTION (without any range errors) return -1 # download the script itself through the file:// protocol into write_cb c = pycurl.Curl() c.setopt(pycurl.URL, 'file://' + os.path.abspath(sys.argv[0])) c.setopt(pycurl.WRITEFUNCTION, write_cb) try: c.perform() except pycurl.error, (err, msg): # we expect pycurl.E_WRITE_ERROR as the response assert pycurl.E_WRITE_ERROR == err # no additional errors should be reported assert not hasattr(sys, 'last_value') c.close() pycurl.global_cleanup()