我尝试了web抓取引用https://datascienceplus.com/zomato-web-scraping-with-beautifulsoup-in-python/
刚刚复制&在网站上粘贴了代码，但在第二步出现错误。
import requests
from bs4 import BeautifulSoup
#Used headers/agent because the request was timed out and asking for an agent.
#Using following code we can fake the agent.
headers = {'User-Agent': 'Mozilla/5.0 (Macintosh; Intel Mac OS X 10_11_6) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/61.0.3163.100 Safari/537.36'}
response = requests.get("https://www.zomato.com/bangalore/top-restaurants",headers=headers)
下面是错误代码。我用的是木星笔记本。你知道我为什么得到这个吗？我对此完全陌生，甚至不完全理解这些变量(头、响应(的作用
---------------------------------------------------------------------------
RemoteDisconnected Traceback (most recent call last)
~/anaconda3/lib/python3.7/site-packages/urllib3/connectionpool.py in urlopen(self, method, url, body, headers, retries, redirect, assert_same_host, timeout, pool_timeout, release_conn, chunked, body_pos, **response_kw)
599 body=body, headers=headers,
--> 600 chunked=chunked)
601
~/anaconda3/lib/python3.7/site-packages/urllib3/connectionpool.py in _make_request(self, conn, method, url, timeout, chunked, **httplib_request_kw)
383 # otherwise it looks like a programming error was the cause.
--> 384 six.raise_from(e, None)
385 except (SocketTimeout, BaseSSLError, SocketError) as e:
~/anaconda3/lib/python3.7/site-packages/urllib3/packages/six.py in raise_from(value, from_value)
~/anaconda3/lib/python3.7/site-packages/urllib3/connectionpool.py in _make_request(self, conn, method, url, timeout, chunked, **httplib_request_kw)
379 try:
--> 380 httplib_response = conn.getresponse()
381 except Exception as e:
~/anaconda3/lib/python3.7/http/client.py in getresponse(self)
1320 try:
-> 1321 response.begin()
1322 except ConnectionError:
~/anaconda3/lib/python3.7/http/client.py in begin(self)
295 while True:
--> 296 version, status, reason = self._read_status()
297 if status != CONTINUE:
~/anaconda3/lib/python3.7/http/client.py in _read_status(self)
264 # sending a valid response.
--> 265 raise RemoteDisconnected("Remote end closed connection without"
266 " response")
RemoteDisconnected: Remote end closed connection without response
During handling of the above exception, another exception occurred:
ProtocolError Traceback (most recent call last)
~/anaconda3/lib/python3.7/site-packages/requests/adapters.py in send(self, request, stream, timeout, verify, cert, proxies)
448 retries=self.max_retries,
--> 449 timeout=timeout
450 )
~/anaconda3/lib/python3.7/site-packages/urllib3/connectionpool.py in urlopen(self, method, url, body, headers, retries, redirect, assert_same_host, timeout, pool_timeout, release_conn, chunked, body_pos, **response_kw)
637 retries = retries.increment(method, url, error=e, _pool=self,
--> 638 _stacktrace=sys.exc_info()[2])
639 retries.sleep()
~/anaconda3/lib/python3.7/site-packages/urllib3/util/retry.py in increment(self, method, url, response, error, _pool, _stacktrace)
367 if read is False or not self._is_method_retryable(method):
--> 368 raise six.reraise(type(error), error, _stacktrace)
369 elif read is not None:
~/anaconda3/lib/python3.7/site-packages/urllib3/packages/six.py in reraise(tp, value, tb)
684 if value.__traceback__ is not tb:
--> 685 raise value.with_traceback(tb)
686 raise value
~/anaconda3/lib/python3.7/site-packages/urllib3/connectionpool.py in urlopen(self, method, url, body, headers, retries, redirect, assert_same_host, timeout, pool_timeout, release_conn, chunked, body_pos, **response_kw)
599 body=body, headers=headers,
--> 600 chunked=chunked)
601
~/anaconda3/lib/python3.7/site-packages/urllib3/connectionpool.py in _make_request(self, conn, method, url, timeout, chunked, **httplib_request_kw)
383 # otherwise it looks like a programming error was the cause.
--> 384 six.raise_from(e, None)
385 except (SocketTimeout, BaseSSLError, SocketError) as e:
~/anaconda3/lib/python3.7/site-packages/urllib3/packages/six.py in raise_from(value, from_value)
~/anaconda3/lib/python3.7/site-packages/urllib3/connectionpool.py in _make_request(self, conn, method, url, timeout, chunked, **httplib_request_kw)
379 try:
--> 380 httplib_response = conn.getresponse()
381 except Exception as e:
~/anaconda3/lib/python3.7/http/client.py in getresponse(self)
1320 try:
-> 1321 response.begin()
1322 except ConnectionError:
~/anaconda3/lib/python3.7/http/client.py in begin(self)
295 while True:
--> 296 version, status, reason = self._read_status()
297 if status != CONTINUE:
~/anaconda3/lib/python3.7/http/client.py in _read_status(self)
264 # sending a valid response.
--> 265 raise RemoteDisconnected("Remote end closed connection without"
266 " response")
ProtocolError: ('Connection aborted.', RemoteDisconnected('Remote end closed connection without response'))
During handling of the above exception, another exception occurred:
ConnectionError Traceback (most recent call last)
<ipython-input-3-5f0caa95c89a> in <module>
2 #Using following code we can fake the agent.
3 headers = {'User-Agent': 'Mozilla/5.0 (Macintosh; Intel Mac OS X 10_11_6) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/61.0.3163.100 Safari/537.36'}
----> 4 response = requests.get("https://www.zomato.com/bangalore/top-restaurants",headers=headers)
~/anaconda3/lib/python3.7/site-packages/requests/api.py in get(url, params, **kwargs)
73
74 kwargs.setdefault('allow_redirects', True)
---> 75 return request('get', url, params=params, **kwargs)
76
77
~/anaconda3/lib/python3.7/site-packages/requests/api.py in request(method, url, **kwargs)
58 # cases, and look like a memory leak in others.
59 with sessions.Session() as session:
---> 60 return session.request(method=method, url=url, **kwargs)
61
62
~/anaconda3/lib/python3.7/site-packages/requests/sessions.py in request(self, method, url, params, data, headers, cookies, files, auth, timeout, allow_redirects, proxies, hooks, stream, verify, cert, json)
531 }
532 send_kwargs.update(settings)
--> 533 resp = self.send(prep, **send_kwargs)
534
535 return resp
~/anaconda3/lib/python3.7/site-packages/requests/sessions.py in send(self, request, **kwargs)
644
645 # Send the request
--> 646 r = adapter.send(request, **kwargs)
647
648 # Total elapsed time of the request (approximately)
~/anaconda3/lib/python3.7/site-packages/requests/adapters.py in send(self, request, stream, timeout, verify, cert, proxies)
496
497 except (ProtocolError, socket.error) as err:
--> 498 raise ConnectionError(err, request=request)
499
500 except MaxRetryError as e:
ConnectionError: ('Connection aborted.', RemoteDisconnected('Remote end closed connection without response'))
Server似乎不喜欢您提供的用户代理。您可以缩短如下：
import requests
headers = {'User-Agent': 'Mozilla/5.0'}
response = requests.get("https://www.zomato.com/bangalore/top-restaurants",headers=headers)