技术资料-Scrapy安装详解.pdf

Scrapy ScrapyPython2.7Python3.3Python3 ScrapyTwisted 14.0 lxml 3.4pyOpenSSL 0.14 Windows Anaconda ScrapyWindows AnacondaPython https://www.continuum.io/downloads conda Scrapy conda install Scrapy Windows lxml wheel/~gohlke/pythonlibs/ lxmlPython3.5WIndows 64 lxml‑3.7.2‑cp35‑cp35m‑win_amd64.whl pip pip3 install wheel pip3 install lxml‑3.7.2‑cp35‑cp35m‑win_amd64.whl lxml pyOpenSSL wheel/pypi/pyOpenSSL#downloads pyOpenSSL-16.2.0-py2.py3-none-any.whl pip3 install pyOpenSSL-16.2.0-py2.py3-none-any.whl Twisted /~gohlke/pythonlibs/#twistedwheelpip Python 3.5Windows 64 Twisted‑17.1.0‑cp35‑cp35m‑win_amd64.whl pip pip3 install Twisted‑17.1.0‑cp35‑cp35m‑win_amd64.whl pywin32 /projects/pywin32/files/pywin32/Build%20220/ Scrapy Scrapypip pip3 install Scrapy CentOSRedHatFedora sudo yum groupinstall development tools sudo yum install python34-devel epel-release libxslt-devel libxml2-devel openssl- devel Scrapy pipScrapy pip3 install Scrapy UbuntuDebianDeepin sudo apt-get install build-essential python3-dev libssl-dev libffi-dev libxml2 libxml2-dev libxslt1-dev zlib1g-dev Scrapy pipScrapy pip3 install Scrapy Mac OS MacScrapyCXcode xcode-select --install Scrapy pipScrapy pip3 install Scrapy scrapy Scrapy pkg_resources.VersionConflict: (six 1.5.2 (/usr/lib/python3/dist-packages), Requirement.parse(six=1.6.0)) sixsixPython2Python3six sudo pip3 install -U six c/_cffi_backend.c:15:17: fatal error: ffi.h: No such file or directory Libffilibffi“FFI” Foreign Function Interface Libffi”FFI” UbuntuDebian sudo apt-get install build-essential libssl-dev libffi-dev python3-dev CentOSRedHat: sudo yum install gcc libffi-devel python-devel openssl-devel ImportError: No module named cryptography pip sudo pip3 install cryptography ImportError: No module named packaging packagingPythonpip sudo pip