Baptism soul, practice python (58)-crawler-[reprinted] urllib3 module, pythonurllib3Urllib31. Overview
Compared with urllib and urlib2, urllib3 has some new functions to implement many things. This module is special and can also exist in python2 and python3 at the same time, but to be honest, it is rarely used.2. Methods/attributes
3. Common methods/attribute Par
PYTHON--URLLIB3 Library Detailed 1 URLLIB3 is a powerful, well-organized Python library for HTTP clients , many python Native systems have begun to use urllib3. Urllib3 provides a
URLLIB3 is a powerful, well-organized Python library for HTTP clients, and many Python native systems have started using URLLIB3. URLLIB3 provides a number of important features that are not available in the Python standard librar
requests\packages\urllib3\util\ssl_.py:100:insecureplatformwarning:A true Sslcontext object is not available. This prevents URLLIB3 from configuring SSL appropriately and may cause certain SSL connections to fail. For more information, see https://urllib3.readthedocs.org/en/latest/security.html#insecureplatformwarning.Recently, in writing a crawler, the front wit
Urllib3URLLIB3 is a powerful, sensible and friendly HTTP client program. Most of the python ecosystems are already in use and you should be urllib3. URLLIB3 brings many key features missing from the Python standard library:Thread safety.Connection pool.Client SSL/TLS authentication.Multiple encoded file uploads.The Ass
Release date: 2012-09-07Updated on:
Affected Systems:PythonDescription:--------------------------------------------------------------------------------Bugtraq id: 55458
Python is an object-oriented, literal translation computer programming language.
The 'urllib3' module of Python does not correctly verify the server's SSL Certificate, and there is a security r
You can download the relevant libraries and materials through the http://code.google.com/p/urllib3.
First, list the usage methods:
# Coding = utf8import urllib3import datetimeimport timeimport urllib # create a connection pool http_pool = urllib3.httpconnectionpool ('ent .qq.com ') to connect to a specific host # obtain the start time strstart = time. strftime ('% x % Z') for I in range (0,100, 1): print I
//////Install PIP//////[email protected] tools]# python get-pip.py/tmp/tmp4bepxg/pip.zip/pip/_vendor/requests/packages/urllib3/util/ssl_.py:90:insecureplatformwarning:a true Sslcontext object is not available. This prevents URLLIB3 from configuring SSL appropriately and may cause certain SSL connections to fail. For more information, see https://
expansion, packaging, called URLLIB3, Thankfully, this time I didn't join the standard library, but if the Python community is naming this new module for inclusion in the standard library is not so painful, I think URLLIB3 's existing functionality needs to be added to the standard library, and only one urllib is good. Fortunately, although the front said that g
Environment Use python3.5.2 urllib3-1.22Download installationwget https://www.python.org/ftp/python/3.5.2/Python-3.5.2.tgzTAR-ZXF python-3.5.2.tgzCD PYTHON-3.5.2/./configure--prefix=/usr/local/pythonMake make installmv/usr/bin/python
python version upgradeCentOS 6.3 comes with a python version of 2.6 and needs to be upgraded to version 2.7 first. Because older versions of Python are deeply dependent, you cannot uninstall the original Python, only the new installation.1. Download python-2.7.4.tgzwget http
When it comes to crawlers, a python crawler package is processed from the Internet. Python library that contains web page capture and data processing. if you need a Python library, refer to the following network
General
Urllib-Network Library (stdlib ).
Requests-Network Library.
Grab-Network Library (based on pycurl ).
Pycurl-Network Library (bound
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