使用pip安装Scrapy出错
2024-10-18 10:02:35
安装Scrapy出错
安装
使用pip安装(Ubuntu)
# 安装pip
sudo apt install python-pip # python2
sudo apt install python3-pip # python3
# python3
sudo pip3 install Scrapy
# python2
sudo pip install Scrapy
错误信息
使用pip安装Scrapy时:
...
...
Requirement already satisfied: pycparser in /usr/local/lib/python3.5/dist-packages (from cffi>=1.4.1->cryptography>=1.3.4->pyOpenSSL->Scrapy)
Installing collected packages: cryptography, pyOpenSSL, service-identity, Scrapy
Found existing installation: cryptography 1.2.3
Uninstalling cryptography-1.2.3:
Successfully uninstalled cryptography-1.2.3
Running setup.py install for cryptography ... error
Complete output from command /usr/bin/python3 -u -c "import setuptools, tokenize;__file__='/tmp/pip-build-cye1ome_/cryptography/setup.py';f=getattr(tokenize, 'open', open)(__file__);code=f.read().replace('\r\n', '\n');f.close();exec(compile(code, __file__, 'exec'))" install --record /tmp/pip-q_y00_ho-record/install-record.txt --single-version-externally-managed --compile:
running install
running build
running build_py
creating build
creating build/lib.linux-x86_64-3.5
creating build/lib.linux-x86_64-3.5/cryptography
copying src/cryptography/exceptions.py -> build/lib.linux-x86_64-3.5/cryptography
copying src/cryptography/__init__.py -> build/lib.linux-x86_64-3.5/cryptography
copying src/cryptography/fernet.py -> build/lib.linux-x86_64-3.5/cryptography
...
...
解决方法
可能的原因: 缺少依赖库.
for Ubuntu
python2
sudo apt-get install build-essential libssl-dev libffi-dev python-dev
python3
sudo apt-get install build-essential libssl-dev libffi-dev python3-dev
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