我的运行环境为: 硬件:树莓派3b 系统:ubuntu_meta_16.04.2 因为项目需要,我在树莓派上搭建了基于python编程的Django的web框架,需要从MySQL中读取树莓派以及传感器的数据,而Python3是不带PyMySQL的,所以就需要我们自行安装. 在安装过程中我一直卡在Building wheels for collected package:cryptography, cffi, pycparser 经过1天的各种查找问题,最后终于还是被幸运女神眷顾!!! 下面是我的

unbuntu 16.04 运行 pip install jupyter --upgrade 的时候出现了下面的错误 Failed building wheel for scandir Running setup.py clean for scandirFailed to build scandirInstalling collected packages: scandir, pathlib2, simplegeneric, pickleshare, ipython, Send2Trash, b

用64位windows10的CMD命令安装pip install scrapy出错: Running setup.py bdist_wheel for Twisted ... error Failed building wheel for Twisted Running setup.py clean for Twisted Failed to build Twisted Installing collected packages: pycparser, cffi, asn1crypto, cry

https://www.lfd.uci.edu/~gohlke/pythonlibs/#lxml Python安装scrapy库过程中出现“ Failed building wheel for xxx”的解决办法: 出现原因:缺失相应的whl文件. 解决办法:下载并安装对应的whl文件. 1.如何下载对应的whl文件:     点击下方链接,即可找到并下载相对应的whl文件:     Unofficial Windows Binaries for Python Extension Package

localhost:~ jerry$ Processing /var/www/git/python/tesserocr -bash: Processing: command not found localhost:~ jerry$ pip3 install tesserocr Collecting tesserocr Using cached https://files.pythonhosted.org/packages/f8/6d/4e81e041f33a4419e59edcb1dbdf3c5

目录 文章目录 目录 问题 解决 问题 安装 OpenStackClient 的时候发现问题: Failed building wheel for netifaces Running setup.py clean for netifaces Failed to build PyYAML netifaces ... 解决 需要找到和操作系统 PIP 环境兼容的 netifaces 软件包. 访问 https://www.lfd.uci.edu/~gohlke/pythonlibs/#netifac

2019独角兽企业重金招聘Python工程师标准>>> 当我使用 pip instlal cytoolz 时,  报以下错误: error: Microsoft Visual C++ 14.0 is required. Get it with "Microsoft Visual C++ Build Tools": https://visualstudio.microsoft.com/downloads/ --------------------------------

在安装scrapy框架的过程中,pip install scrapy 出现报错信息: building 'twisted.test.raiser' extension error: Microsoft Visual C++ 14.0 is required. Get it with "Microsoft Visual C++ Build Tools": http://landinghub.visualstudio.com/visual-cpp-build-tools 解决方法: 网址:

转到虚拟环境目录:yum install libxslt-devel libxml2-devel yum install python-devel pip install lxml

1.在这里下载对应的.whl文件,注意别改文件名! http://www.lfd.uci.edu/~gohlke/pythonlibs/#lxml Ctrl + F,输入lxml,找到下面这段 Lxml, a binding for the libxml2 and libxslt libraries.lxml‑3.4.4‑cp27‑none‑win32.whllxml‑3.4.4‑cp27‑none‑win_amd64.whllxml‑3.4.4‑cp33‑none‑win32.whllxml‑

本人第一安装python-docx很不幸就出现了,如下的错误:(如果你也遇到同样的错误,不要慌可以参考下面解决方案,由于第一次处理这种错误,如有不对欢迎大家多多批评指正) 问题所在是因为我们的setuptools版本太低了 解决办法: 1.首先进行升级 pip install -U setuptools 2.切换到扩展库的安装目录执行以下命令       pip install python-docx 3.验证 # ecoding=utf-8 from docx import Document

1,如果直接用 CMD命令:pip install mysqlclient ,会安装出错. 2,解决问题,参考了这个博友的帖子:https://blog.csdn.net/qq_29784441/article/details/80847771 在这个网站下载对应版本的mysqlclient, 下载连接:https://www.lfd.uci.edu/~gohlke/pythonlibs/#mysql-python 我下载的:mysqlclient1.3.13cp36cp36mwin_amd64

导入下列依赖包,搞定 sudo apt-get install python3 python-dev python3-dev build-essential libssl-dev libffi-dev libxml2-dev libxslt1-dev zlib1g-dev python-pip 上诉导入时报错,那就一条一条的导入安装.这里我是集中导入安装成功的.

参考 https://blog.csdn.net/pengzhisen123/article/details/79049834 https://www.lfd.uci.edu/~gohlke/pythonlibs/#lxml

安装Anaconda来安装一切 spyder是python科学计算IDE,类似matlab.这是一个基于Qt的软件,如果使用pip install安装,会出现各种bug.pip install spyder之后,双击运行spyder.exe会没反应,好像没执行一样.网上说依赖pyside(一个跟Qt关系密切的库).安装pyside过程中也报错 running build Python architecture is 64bit nmake not found. Trying to initial

pypy安装mysql 构建基于pypy的virtualenv pip install virtualenv pip install pypy virtualenv --no-site-packages -p pypy pypydev source pypydev/bin/activate 安装mysql的问题 ` _mysql.c:29:20: fatal error: Python.h: No such file or directory #include "Python.h" ^

Ubuntu16.04安装Scrapy(pip install Scrapy)时提示错误如下: Failed building wheel for cryptography Running setup.py clean for cryptography Failed to build cryptography error: command ---------------------------------------- Command in /tmp/pip-build-2wwgqS/crypt

Can't install mysql-python version 1.2.5 in Windows http://stackoverflow.com/questions/37092125/cant-install-mysql-python-version-1-2-5-in-windows   No problem. We won't show you that ad again. Why didn't you like it? Uninteresting Misleading Offensi

Ubuntu14.04在virtualenv下安装scrapy报错,Failed building wheel for cffi,lxml,cryptography 等. error: command 'x86_64-linux-gnu-gcc' failed with exit status 1 sudo apt-get build-dep python-lxml sudo pip install lxml --upgrade sudo apt-get install build-essent

这些天应朋友的要求抓取某个论坛帖子的信息,网上搜索了一下开源的爬虫资料,看了许多对于开源爬虫的比较发现开源爬虫scrapy比较好用.但是以前一直用的java和php,对python不熟悉,于是花一天时间粗略了解了一遍python的基础知识.然后就开干了,没想到的配置一个运行环境就花了我一天时间.下面记录下安装和配置scrapy踩过的那些坑吧. 运行环境:CentOS 6.0 虚拟机 开始上来先得安装python运行环境.然而我运行了一下python命令,发现已经自带了,窃(大)喜(坑).于是go

1. 安装使用 pip install pil 结果报如下错误 Collecting PIL Could not find a version that satisfies the requirement PIL (from versions: ) Some externally hosted files were ignored as access to them may be unreliable (use --allow-external PIL to allow). No matchin