Pyhton2中的urllib2工具包,在Python3中分拆成了urllib.request和urllib.error两个包。就导致找不到包,同时也没办法安装。 所以需要install urllib.request和install urllib.error 两个包,然后将import urllib2修改为import urllib.request 和import urllib.error。 同时代码中的方法函数也需要修改,基本就是将urllib2.xxx修改为urllib.request.xxx。 官方介绍:https:/...
pip install [options] <requirement specifier> [package-index-options] ... pip install [options] ...
response = urllib2.urlopen(self.get_request(url)) File "/usr/lib/python2.7/urllib2.py", line 127, in urlopen return _opener.open(url, data, timeout) File "/usr/lib/python2.7/urllib2.py", line 401, in open response = self._open(req, data) File "/usr/lib/python2.7/urllib2.py"...
C:\Users\Administrator>pip install requests WARNING: Retrying (Retry(total=4, connect=None, read=None, redirect=None, status =None)) after connection broken by 'NewConnectionError('<pip._vendor.urllib3.con nection.VerifiedHTTPSConnection object at 0x0354AE90>: Failed to establish a new connect...
使用pip安装RIDE时失败,下载很慢最终超时,报错: raise ReadTimeoutError(self._pool, None, "Read timed out.") pip._vendor.urllib3.exceptions.ReadTimeoutError: HTTPSConnectionPool(host='files.pythonhosted.org', port=443): Read timed out.
[global]index-url=https://pypi.tuna.tsinghua.edu.cn/simple[install]trusted-host=pypi.tuna.tsinghua.edu.cn disable-pip-version-check=truetimeout=6000 linux修改:在用户的家目录下面创建名为.pip文件夹,在创建好的.pip文件夹中创建名为pip.conf的文件,修改 ~/.pip/pip.conf (没有就创建一个), 内容...
先用pip install pymysql安装: 总是出现错误:Retrying (Retry(total=4, connect=None, read=None, redirect=None, status=None)) after connection broken by 'ConnectTimeoutError(<pip._vendor.urllib3.connection.VerifiedHTTPSConnection object at 0x00000238CE8677B8>, 'Connection to pypi.org timed out. ...
(url) File "/System/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/urllib2.py", line 154, in urlopen return opener.open(url, data, timeout) File "/System/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/urllib2.py", line 437, in open response = meth(req, ...
pip install-i https://pypi.tuna.tsinghua.edu.cn/simple pyspider 这样就会从清华这边的镜像去安装pyspider库。 二、windows下永久更换镜像源 (1):在windows文件管理器中,输入%APPDATA% (2):会定位到一个新的目录下,在该目录下新建pip文件夹,然后到pip文件夹里面去新建个pip.ini文件 ...