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#! /usr/bin/env python
# -*- coding: utf-8 -*-
# vi:ts=4:et
import os.path
import pycurl
import unittest
import urllib.request
class UnsetRangeTest(unittest.TestCase):
def setUp(self):
self.curl = pycurl.Curl()
def tearDown(self):
self.curl.close()
def test_unset_range(self):
def write_cb(data):
self.read += len(data)
return None
# download bytes 0-9 of the script itself through the file:// protocol
self.read = 0
url = 'file:' + urllib.request.pathname2url(os.path.abspath(__file__))
self.curl.setopt(pycurl.URL, url)
self.curl.setopt(pycurl.WRITEFUNCTION, write_cb)
self.curl.setopt(pycurl.RANGE, '0-9')
self.curl.perform()
assert 10 == self.read
# the RANGE setting should be preserved from the previous transfer
self.read = 0
self.curl.perform()
assert 10 == self.read
# drop the RANGE setting using unsetopt() and download entire script
self.read = 0
self.curl.unsetopt(pycurl.RANGE)
self.curl.perform()
assert 10 < self.read
# now set the RANGE again and check that pycurl takes it into account
self.read = 0
self.curl.setopt(pycurl.RANGE, '0-9')
self.curl.perform()
assert 10 == self.read
# now drop the RANGE setting using setopt(..., None)
self.read = 0
self.curl.setopt(pycurl.RANGE, None)
self.curl.perform()
assert 10 < self.read
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