BeautifulSoup Installation Guide: Common Error Resolution

Hands-on solution BeautifulSoup installation those pitfalls

Recently, when helping people install BeautifulSoup, I found that a lot of newbies are stuck in the installation session either reporting red characters or not connecting to the Internet. Here we share a fewexploit an IP proxy to circumvent a pit (computing)The wildcard is especially suited to the unstable domestic network environment.

The Ultimate Solution to Installation Errors

The most common error "Connection refused" is probably a network jerk. Don't be a stickler for this, try hooking up a proxy to the pip command:

pip install beautifulsoup4 -proxy=http://用户名:密码@ipipgo provided IP:port

For example, if you use ipipgo's Dynamic Residential Proxy, remember to change the verification information to that of your own account. I used his Jiangsu node before, the download speed directly soared to 3MB/s, faster than the bare connection is not a half a star.

How to solve version conflict

The most outrageous error I've seen is that the bs4 and lxml versions don't work well together.quarantine (computing)::

1. First install the virtual environment python -m venv myenv
2. Activate the environment and then hook up the proxy installation
3. Maintaining network stability with ipipgo's static long-lasting IPs

First aid kit for missing parser libraries

After installing bs4, you find that you still lack html5lib dependencies? Teach you to rotate downloads with proxy pools:

QA First Aid Kit

Q: What should I do if I am always prompted with Permission denied?
A: Ninety percent is a permission problem, remember to set the proxy with root privileges when using the sudo command:
sudo pip -proxy=http://ipipgoIP:端口 install bs4

Q: How do I break the company intranet restrictions?
A: Recommended socks5 proxy for ipipgo, configure global proxy in ~/.pip/pip.conf:
[global]
proxy = socks5://ipipgo_user:pass@gateway address:port

Q: What does it mean to report an error after installing import?
A: It is likely that multiple python versions are fighting. Use which pip to confirm the current environment, it is recommended to use ipipgo's fixed IP to create a dedicated virtual environment.

Agent selection doorway

Having empirically tested a dozen vendors, ipipgo'sDynamic Residential IPBest suited for development environments:
1. Support for per-request billing without waste
2. With automatic failure retry mechanism
3. Small traffic packages are available specifically for developers

Before the use of other family's proxy often encountered IP was github blocked the situation, changed to ipipgo technology dedicated channel and then did not have a problem. Especially theIP Survival Detection FunctionIt's good for running automation scripts.

Encounter technical problems can be directly to his family of technical small brother, last time I was three o'clock in the morning feedback problem actually seconds back, this after-sales in the agent circle is really rare. Remember to use bs4 to engage in crawlers, there is no reliable agent is like riding a bicycle on the highway - sooner or later, something is going to happen.