本文整理汇总了Python中scrapy.downloadermiddlewares.httpproxy.HttpProxyMiddleware类的典型用法代码示例。如果您正苦于以下问题：Python HttpProxyMiddleware类的具体用法？Python HttpProxyMiddleware怎么用？Python HttpProxyMiddleware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HttpProxyMiddleware类的9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_proxy_auth_empty_passwd
def test_proxy_auth_empty_passwd(self):
os.environ['http_proxy'] = 'https://user:@proxy:3128'
mw = HttpProxyMiddleware()
req = Request('http://scrapytest.org')
assert mw.process_request(req, spider) is None
self.assertEquals(req.meta, {'proxy': 'https://proxy:3128'})
self.assertEquals(req.headers.get('Proxy-Authorization'), b'Basic dXNlcjo=')示例2: test_no_enviroment_proxies
def test_no_enviroment_proxies(self):
os.environ = {'dummy_proxy': 'reset_env_and_do_not_raise'}
mw = HttpProxyMiddleware()
for url in ('http://e.com', 'https://e.com', 'file:///tmp/a'):
req = Request(url)
assert mw.process_request(req, spider) is None
self.assertEquals(req.url, url)
self.assertEquals(req.meta, {})示例3: test_enviroment_proxies
def test_enviroment_proxies(self):
os.environ['http_proxy'] = http_proxy = 'https://proxy.for.http:3128'
os.environ['https_proxy'] = https_proxy = 'http://proxy.for.https:8080'
os.environ.pop('file_proxy', None)
mw = HttpProxyMiddleware()
for url, proxy in [('http://e.com', http_proxy),
('https://e.com', https_proxy), ('file://tmp/a', None)]:
req = Request(url)
assert mw.process_request(req, spider) is None
self.assertEquals(req.url, url)
self.assertEquals(req.meta.get('proxy'), proxy)示例4: test_proxy_auth
def test_proxy_auth(self):
os.environ['http_proxy'] = 'https://user:[email protected]:3128'
mw = HttpProxyMiddleware()
req = Request('http://scrapytest.org')
assert mw.process_request(req, spider) is None
self.assertEqual(req.meta, {'proxy': 'https://proxy:3128'})
self.assertEqual(req.headers.get('Proxy-Authorization'), b'Basic dXNlcjpwYXNz')
# proxy from request.meta
req = Request('http://scrapytest.org', meta={'proxy': 'https://username:[email protected]:3128'})
assert mw.process_request(req, spider) is None
self.assertEqual(req.meta, {'proxy': 'https://proxy:3128'})
self.assertEqual(req.headers.get('Proxy-Authorization'), b'Basic dXNlcm5hbWU6cGFzc3dvcmQ=')示例5: test_proxy_auth_encoding
def test_proxy_auth_encoding(self):
# utf-8 encoding
os.environ['http_proxy'] = u'https://m\u00E1n:[email protected]:3128'
mw = HttpProxyMiddleware(auth_encoding='utf-8')
req = Request('http://scrapytest.org')
assert mw.process_request(req, spider) is None
self.assertEquals(req.meta, {'proxy': 'https://proxy:3128'})
self.assertEquals(req.headers.get('Proxy-Authorization'), b'Basic bcOhbjpwYXNz')
# default latin-1 encoding
mw = HttpProxyMiddleware(auth_encoding='latin-1')
req = Request('http://scrapytest.org')
assert mw.process_request(req, spider) is None
self.assertEquals(req.meta, {'proxy': 'https://proxy:3128'})
self.assertEquals(req.headers.get('Proxy-Authorization'), b'Basic beFuOnBhc3M=')示例6: test_no_proxy
def test_no_proxy(self):
os.environ['http_proxy'] = http_proxy = 'https://proxy.for.http:3128'
mw = HttpProxyMiddleware()
os.environ['no_proxy'] = '*'
req = Request('http://noproxy.com')
assert mw.process_request(req, spider) is None
assert 'proxy' not in req.meta
os.environ['no_proxy'] = 'other.com'
req = Request('http://noproxy.com')
assert mw.process_request(req, spider) is None
assert 'proxy' in req.meta
os.environ['no_proxy'] = 'other.com,noproxy.com'
req = Request('http://noproxy.com')
assert mw.process_request(req, spider) is None
assert 'proxy' not in req.meta示例7: test_no_proxy
def test_no_proxy(self):
os.environ['http_proxy'] = 'https://proxy.for.http:3128'
mw = HttpProxyMiddleware()
os.environ['no_proxy'] = '*'
req = Request('http://noproxy.com')
assert mw.process_request(req, spider) is None
assert 'proxy' not in req.meta
os.environ['no_proxy'] = 'other.com'
req = Request('http://noproxy.com')
assert mw.process_request(req, spider) is None
assert 'proxy' in req.meta
os.environ['no_proxy'] = 'other.com,noproxy.com'
req = Request('http://noproxy.com')
assert mw.process_request(req, spider) is None
assert 'proxy' not in req.meta
# proxy from meta['proxy'] takes precedence
os.environ['no_proxy'] = '*'
req = Request('http://noproxy.com', meta={'proxy': 'http://proxy.com'})
assert mw.process_request(req, spider) is None
self.assertEqual(req.meta, {'proxy': 'http://proxy.com'})示例8: test_proxy_already_seted
def test_proxy_already_seted(self):
os.environ['http_proxy'] = http_proxy = 'https://proxy.for.http:3128'
mw = HttpProxyMiddleware()
req = Request('http://noproxy.com', meta={'proxy': None})
assert mw.process_request(req, spider) is None
assert 'proxy' in req.meta and req.meta['proxy'] is None示例9: test_proxy_precedence_meta
def test_proxy_precedence_meta(self):
os.environ['http_proxy'] = 'https://proxy.com'
mw = HttpProxyMiddleware()
req = Request('http://scrapytest.org', meta={'proxy': 'https://new.proxy:3128'})
assert mw.process_request(req, spider) is None
self.assertEqual(req.meta, {'proxy': 'https://new.proxy:3128'})