本文整理汇总了Python中scrapy.core.downloader.handlers.DownloadHandlers类的典型用法代码示例。如果您正苦于以下问题：Python DownloadHandlers类的具体用法？Python DownloadHandlers怎么用？Python DownloadHandlers使用的例子？那么恭喜您, 这里精选的类代码示例或许可以为您提供帮助。
在下文中一共展示了DownloadHandlers类的2个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的Python代码示例。
示例1: test_disabled_handler
def test_disabled_handler(self):
handlers = {"scheme": None}
crawler = get_crawler(settings_dict={"DOWNLOAD_HANDLERS": handlers})
dh = DownloadHandlers(crawler)
self.assertNotIn("scheme", dh._schemes)
for scheme in handlers: # force load handlers
dh._get_handler(scheme)
self.assertNotIn("scheme", dh._handlers)
self.assertIn("scheme", dh._notconfigured)示例2: test_not_configured_handler
def test_not_configured_handler(self):
handlers = {'scheme': 'tests.test_downloader_handlers.OffDH'}
crawler = get_crawler(settings_dict={'DOWNLOAD_HANDLERS': handlers})
dh = DownloadHandlers(crawler)
self.assertIn('scheme', dh._schemes)
for scheme in handlers: # force load handlers
dh._get_handler(scheme)
self.assertNotIn('scheme', dh._handlers)
self.assertIn('scheme', dh._notconfigured)