reportlab是什么?是一个处理PDF和画图的python开源库. 初次安装:pip install reportlab重新安装:pip install --upgrade --force-reinstall reportlab卸载:pip uninstall reportlab 参考文档:1. https://stackoverflow.com/questions/38711221/installation-reportlab-importerror-no-module-named-reportlab-lib2. https://pypi.org/project/reportlab/原文:https://www.cnblogs.com/dylancao/p/10098602.html
1.准备安装环境yum groupinstall ‘Development Tools‘
yum install zlib-devel bzip2-devel openssl-devel ncurses-devel2.安装python3去官网下载编译安装包或者直接执行以下命令下载wget https://www.python.org/ftp/python/3.6.2/Python-3.6.2.tar.xz解压tar -xvJf Python-3.6.2.tar.xz切换进入cd Python-3.6.2编译安装./configure prefix=/usr/local/python3make && make install安装完毕,/usr/local/目录下就会有python3了...
本地编译Open vSwitch时报错Traceback (most recent call last):
File "./ovsdb/ovsdb-idlc.in", line 8, in <module>
import ovs.json
File "/root/rpmbuild/BUILD/openvswitch-2.6.0/python/ovs/json.py", line 21, in <module>
import six
ImportError: No module named six
Traceback (most recent call last):
File "./ovsdb/ovsdb-idlc.in", line 8, in <module>
import ovs.json
File "/root/rpmbuild/...
笔者在 centos6.5 安装 python3.7 碰到此问题,安装好以后,执行 python3.7 命令行,import ssl 出现错误 ImportError: No module named _ssl 。 该错误表现在 pip install 时会报 pip is configured with locations that require TLS/SSL, however the ssl module in Python is not available.在网上找了很多资料,经过验证,在编译前修改 python 源码的方式(Modules/Setup.dist)是不奏效的。 升级 openssl 到 1.1.x之后的版本是有...
Dive into RE in PythonStandard re module in python is powerful to handle text manipulation,such as searching,matching,splitting etc, and it is necessary to learn about it when tasks above appears.Since official document of re is a bit obscure, I refer to book 《Mastering Regular Expression》 written by Felix Lopez mainly to depict the whole picture of regular expression and help anyone who desires...
解压版本Python,手动安装pip报错 λ pip
Traceback (most recent call last):File "runpy.py", line 193, in _run_module_as_mainFile "runpy.py", line 86, in _run_codeFile "D:\tools\python-3.8.1-embed-amd64\Scripts\pip.exe\__main__.py", line 4, in <module>
ModuleNotFoundError: No module named ‘pip‘ 解决办法:1、安装pip的时候,路径切换到python目录2、安装后,查看目录下是否有Lib\site-packages目录3、在 pyt...
os.getcwd() 获取当前工作目录,即当前python脚本工作的目录路径
任何Python程序都可以作为模块导入;在导入自己的模块时,需要添加路径: import syssys.path.append(‘absolute-path‘); (__pycache__是执行main.py时创建的) hello.py内容:def sayHello():print(‘hello,world‘) main.py内容import sys sys.path.append("/home/icode0410/Documents/code/python/module/modules") import hellohello.sayHello() 运行main.py$python3 main.py hello,world 注意到,目录__pycache__...
终端下//返回pip3所在位置$ which pip3
//返回pip3安装模块位置
$ pip3 --version python下import sys#显示python环境变量print(sys.path) 检查地址中是否包含pip3模块安装地址,若没有,进行下面的操作:#添加环境变量
sys.path.append(‘/usr/lib/python3.8/site-packages‘)#删除环境变量
sys.path.remove(‘/usr/lib/python3.8/site-packages‘) 原文:https://www.cnblogs.com/Leeny/p/13530790.html
It‘s simple.1sudoyum -y install tkinterJust want to say, "I‘m back".原文:http://www.cnblogs.com/loadofleaf/p/6110720.html
在编译安装新的python3.7的时候报错 ModuleNotFoundError: No module named ‘_ctypes‘,其实是缺少了一个新需要的开发包libffi-devel,安装后即可 yum install libffi-devel -y (包在base) 最终显示Installing collected packages: setuptools, pipSuccessfully installed pip-10.0.1 setuptools-39.0.1 我想在主机上保留原来的py2所以我需要修改一下原来的python PATHmv /usr/bin/python /usr/bin/python2mv /usr/bin/...
程序中代码如下: 报错: 根据链接( http://www.pianshen.com/article/6871295514/ )中指导,解决过程如下:File --> Settings --> Project ( Project Interpreter ) --> 点击其中加号 --> 搜索 pandas ,然后点击安装。 '' ref='nofollow'>python_执行报错_No module named 'pandas'原文:https://www.cnblogs.com/lyj0123/p/11773733.html
linux 执行django(python manage.py runserver),报错No module named _sqlite3,需要安装sqlite-devel,再重新编译安装python。1、安装sqlite-devel yum install sqlite-devel 2、重新安装pythontar -zxf Python-2.7.3.tgz
cd Python-2.7.3
./configure
make && make install然后就可以了。原文:http://www.cnblogs.com/BlueBreeze/p/4234364.html
假设想使用非当前模块中的代码,须要使用Import。这个大家都知道。 假设你要使用的模块(py文件)和当前模块在同一文件夹。仅仅要import对应的文件名称就好,比方在a.py中使用b.py: import b 可是假设要import一个不同文件夹的文件(比如b.py)该怎么做呢? 首先须要使用sys.path.append方法将b.py所在文件夹增加到搜素文件夹中。然后进行import就可以,比如 import sys sys.path.append(‘c:\xxxx\b.py‘) # 这个样例针对 windows ...
MySQL-python是Python访问MySQL数据库的第三方模块库;在安装过程中出现如下错误:[root@localhost MySQL-python-1.2.5]# python setup.py installTraceback (most recent call last):File "setup.py", line 7, in <module>import setuptoolsImportError: No module named setuptools字面意思是:没有setuptools的模块,说明python缺少这个模块;解决方法如下:下载setuptools包# wget http://pypi.python.org/packages/source/s/...