Ubuntu scrapy development environment setup

My version is 14.04

1. Update the system

##If the system does not change the domestic download path, you need to change the system update download path

Sudo apt-get update Update system

sudo apt-get upgrade

2. Install pip Some packages of scrapy need to be installed using the pip command

1. <span class="pln">sudo apt<span class="pun">-<span class="kwd">get<span class="pln"> install python<span class="pun">-<span class="pln">pip Installation command</span></span></span></span></span></span>

2. ##pip <span class="pln">-<span class="pun">V This is the command to view pip version information<span class="pln"></span></span></span>

3. Install srapy related dependencies

　1.sudo apt-get install python-dev python-pip libxml2-dev libxslt1-dev zlib1g-dev libffi-dev libssl-dev

　2. If you also want to install scrapy in the python3 environment, you need to execute the following command

　　sudo apt-get install python3 python3-dev

#4. Install scrapy# sudo pip

install scrapy

scrapy environment installation completed

Check whether scrapy is installed successfully Enter in the console ：scrapy

If there is a prompt for the corresponding version information, it will be successful. No need to look at the following

## During the installation of scrapy, OP_NO_TLSv1_1 may appear, usually the twisted version is higher than,

1 .The easiest way is to uninstall twisted and then reinstall a lower version,

sudo pip install twisted==16.04 (here 16.04 is what we are using now) 2/There is another method, but there is no experiment, which is to delete pyopenssl and run sudo pip install scrapy again

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