我在mac上做我的项目,我试着用BeagleBoneBlack(BBB)做同样的事情。 但是,我不能在BBB中使用urllib,所以我陷入了困境:我无法继续前进(在我的mac中它工作得很好)
我尝试了以下简单代码作为示例:
import urllib conn = urllib.urlopen('http://stackoverflow.com/questions/8479736/using-python-urllib-how-to-avoid-non-html-content')
然后出现此错误:
^{pr2}$我需要为我的项目获取一个html数据。 我怎样才能解决这个问题?你有什么想法吗? 谢谢您。在
当我尝试urllib2
我知道了:
>>> import urllib2
>>> conn = urllib2.urlopen('http://stackoverflow.com/questions/8479736/using-python-urllib-how-to-avoid-non-html-content')
Traceback (most recent call last):
File "<stdin>", line 1, in <module>
File "/usr/lib/python2.7/urllib2.py", line 126, in urlopen
return _opener.open(url, data, timeout)
File "/usr/lib/python2.7/urllib2.py", line 400, in open
response = self._open(req, data)
File "/usr/lib/python2.7/urllib2.py", line 418, in _open
'_open', req)
File "/usr/lib/python2.7/urllib2.py", line 378, in _call_chain
result = func(*args)
File "/usr/lib/python2.7/urllib2.py", line 1207, in http_open
return self.do_open(httplib.HTTPConnection, req)
File "/usr/lib/python2.7/urllib2.py", line 1180, in do_open
r = h.getresponse(buffering=True)
File "/usr/lib/python2.7/httplib.py", line 1030, in getresponse
response.begin()
File "/usr/lib/python2.7/httplib.py", line 407, in begin
version, status, reason = self._read_status()
File "/usr/lib/python2.7/httplib.py", line 371, in _read_status
raise BadStatusLine(line)
httplib.BadStatusLine: ''
我也试过了:
curl http://stackoverflow.com/questions/8479736/using-python-urllib-how-to-avoid-non-html-content
curl: (52) Empty reply from server
还有这个:
wget http://stackoverflow.com/questions/8479736/using-python-urllib-how-to-avoid-non-html-content
Connecting to stackoverflow.com (198.252.206.16:80)
wget: error getting response
但他们没用
在家里,我也尝试过,但失败了,但返回了一个不同的错误:
conn = urllib2.urlopen('http://stackoverflow.com/questions/8479736/using-python-urllib-how-to-avoid-non-html-content')
Traceback (most recent call last):
File "<stdin>", line 1, in <module>
File "/usr/lib/python2.7/urllib2.py", line 126, in urlopen
return _opener.open(url, data, timeout)
File "/usr/lib/python2.7/urllib2.py", line 400, in open
response = self._open(req, data)
File "/usr/lib/python2.7/urllib2.py", line 418, in _open
'_open', req)
File "/usr/lib/python2.7/urllib2.py", line 378, in _call_chain
result = func(*args)
File "/usr/lib/python2.7/urllib2.py", line 1215, in https_open
return self.do_open(httplib.HTTPSConnection, req)
File "/usr/lib/python2.7/urllib2.py", line 1177, in do_open
raise URLError(err)
urllib2.URLError: <urlopen error [Errno -2] Name or service not known>
环境
BBB: Linux beaglebone 3.8.13 #1 SMP Tue Jun 18 02:11:09 EDT 2013 armv7l GNU/Linux
python version: 2.7.3
我真的想推荐你
requests
lib:http://www.python-requests.org/en/latest/
安装方法:
sudo pip install requests
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