本文整理匯總了Python中scrapy.core.downloader.handlers.DownloadHandlers類的典型用法代碼示例。如果您正苦於以下問題：Python DownloadHandlers類的具體用法？Python DownloadHandlers怎麽用？Python DownloadHandlers使用的例子？那麽, 這裏精選的類代碼示例或許可以為您提供幫助。
在下文中一共展示了DownloadHandlers類的2個代碼示例，這些例子默認根據受歡迎程度排序。您可以為喜歡或者感覺有用的代碼點讚，您的評價將有助於係統推薦出更棒的Python代碼示例。
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)