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Python Settings.CANONICAL_SOLVER方法代码示例

本文整理汇总了Python中frontera.settings.Settings.CANONICAL_SOLVER方法的典型用法代码示例。如果您正苦于以下问题:Python Settings.CANONICAL_SOLVER方法的具体用法?Python Settings.CANONICAL_SOLVER怎么用?Python Settings.CANONICAL_SOLVER使用的例子?那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在frontera.settings.Settings的用法示例。


在下文中一共展示了Settings.CANONICAL_SOLVER方法的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_blocking_middleware

# 需要导入模块: from frontera.settings import Settings [as 别名]
# 或者: from frontera.settings.Settings import CANONICAL_SOLVER [as 别名]
    def test_blocking_middleware(self):
        settings = Settings()
        settings.BACKEND = 'tests.mocks.components.FakeBackend'
        settings.MIDDLEWARES = ['tests.mocks.components.FakeMiddleware',
                                'tests.mocks.components.FakeMiddlewareModifySeeds',
                                'tests.mocks.components.FakeMiddlewareBlocking',
                                'tests.mocks.components.FakeMiddlewareModifyResponse',
                                'tests.mocks.components.FakeMiddlewareModifyLinks']
        settings.CANONICAL_SOLVER = 'tests.mocks.components.FakeCanonicalSolver'
        fm = FrontierManager.from_settings(settings)
        fm.add_seeds([r1, r2, r3])
        response = Response(r1.url, request=r1)
        fm.page_crawled(response)
        fm.links_extracted(r1, links=[r2])
        fm.request_error(r3, 'error')

        #the seeds, responses, links and errors have not reached the backend.
        assert [len(list) for list in fm.backend.lists] == [0]*4
        #the 3 seeds reach the first three middlewares.
        assert [len(fm.middlewares[i].seeds) for i in range(3)] == [3]*3
        #the error, response and link reached the first three middlewares.
        assert [[len(list) for list in fm.middlewares[i].lists[1:]] for i in range(3)] == [[1]*3]*3
        #the values do not reach the bottom 2 middlewares and the canonical solver.
        assert [[len(list) for list in fm.middlewares[i].lists] for i in range(3, 5)] == [[0]*4]*2
        assert [len(list) for list in fm.canonicalsolver.lists] == [0]*4
开发者ID:Preetwinder,项目名称:frontera,代码行数:27,代码来源:test_frontier_manager.py

示例2: test_blocking_middleware

# 需要导入模块: from frontera.settings import Settings [as 别名]
# 或者: from frontera.settings.Settings import CANONICAL_SOLVER [as 别名]
    def test_blocking_middleware(self):
        settings = Settings()
        settings.BACKEND = 'tests.mocks.components.FakeBackend'
        settings.MIDDLEWARES = ['frontera.contrib.middlewares.domain.DomainMiddleware',
                                'frontera.contrib.middlewares.fingerprint.UrlFingerprintMiddleware',
                                'tests.mocks.components.FakeMiddleware',
                                'tests.mocks.components.FakeMiddlewareModifySeeds',
                                'tests.mocks.components.FakeMiddlewareBlocking',
                                'tests.mocks.components.FakeMiddlewareModifyResponse',
                                'tests.mocks.components.FakeMiddlewareModifyLinks']
        settings.CANONICAL_SOLVER = 'tests.mocks.components.FakeCanonicalSolver'
        settings.STRATEGY = 'tests.mocks.components.CrawlingStrategy'
        fm = LocalFrontierManager.from_settings(settings)
        SEEDS_FILE.seek(0)
        fm.add_seeds(SEEDS_FILE)
        response = Response(r1.url, request=r1)
        fm.page_crawled(response)
        fm.links_extracted(r1, links=[r2])
        fm.request_error(r3, 'error')

        #the seeds, responses, links and errors have not reached the backend.
        assert [len(list) for list in fm.backend.lists] == [0]*4
        #the 3 seeds reach the first three middlewares.
        assert [len(fm.middlewares[i].requests) for i in range(2, 5)] == [3]*3
        #the error, response and link reached the first three middlewares.
        assert [[len(list) for list in fm.middlewares[i].lists[1:]] for i in range(2, 5)] == [[1]*3]*3
        #the values do not reach the bottom 2 middlewares and the canonical solver.
        assert [[len(list) for list in fm.middlewares[i].lists] for i in range(5, 7)] == [[0]*4]*2
        assert [len(list) for list in fm.canonicalsolver.lists] == [0]*4
开发者ID:scrapinghub,项目名称:frontera,代码行数:31,代码来源:test_frontier_manager.py


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