ubuntu上跑python连接pg，报错 ImportError: No module named psycopg2 root@pgproxy1:~# python /home/zxw/PGWriterTest_m.py Traceback (most recent call last): File "/home/zxw/PGWriterTest_m.py", line 4, in <module> import psycopg2 ImportError: No module named psycopg2 例如以下安装： 1 root@pgproxy1:~# apt-cache search psycopg2 python-psycopg2 - Python module for PostgreSQL python-psycopg2-dbg -...
从师兄那里拷贝了一个python文件，运行报错ImportError: No module named python_util.util，python小白上网搜，并没有搜到有价值的答案。。。经过摸索，最后解决。其实这就是缺少python_util.util，到这个网址https://pypi.python.org/pypi/python-util/2.0.0#downloads下载，如下图所示，选第一个就可以，下载之后解压缩，里面有一个setup.py输入命令python setup.py，华丽丽地报错error: no commands supplied。借鉴了这位博主的...
因为下载的HTMLTestRunner是Python2版本的，Python3的话要修改一下：第94行，将import StringIO 修改为 import io第539行，将self.outputBuffer = StringIO.StringIO() 修改为 self.outputBuffer= io.StringIO()第642行，将if not rmap.has_key(cls): 修改为 if not cls in rmap:第766行，将uo = o.decode(‘latin-1‘) 改为 uo = e第773行，将ue = e.decode(‘latin-1‘) 修改为 ue = e第631行的 print >> sys.stderr, ‘\nTime E...
XML 文件：xmlparse.xml<?xml version="1.0" encoding="UTF-8" standalone="no"?><!DOCTYPE Model SYSTEM "/var/company/user/etc/user2017.dtd"><Model version="1" importVersion="16.2"><Create><Company name="Google.inc"><Division sourceType="Personnel"><UserName string="John Smith"/><Sex string="Male"/><Age int="30"/><HireDate string="2009-07-01"/><Station sting="Manager"/><isMarry boolen="True"/></Divisio...
AttributeError: module ‘django.db.models‘ has no attribute ‘SubfieldBase‘ http://www.guanggua.com/question/35166085-How-to-deal-with-SubfieldBase-has-been-deprecated-Use-Fieldfrom_db_value-instead.html说的很详细，后期会整理' has no attribute 'SubfieldBase'' ref='nofollow'>Python 报错 AttributeError: module 'django.db.models' has no attribute 'SubfieldBase'原文：https://www.cnblogs.com/yun1108/...
sudo apt-get install ros-indigo-kdl-parser-pyhttp://debian.2.n7.nabble.com/Bug-913803-python3-pykdl-PyKDL-fails-to-import-tp4418454.htmlhttps://github.com/EAIBOT/dashgo/blob/master/dashgo_bringup/scripts/get_angular.pyhttps://www.programcreek.com/python/example/99836/sensor_msgs.msg.Imu原文：https://www.cnblogs.com/sea-stream/p/11159638.html
原文https://blog.csdn.net/qq_27921205/article/details/102976824主要是tensorflow和keras的版本不对应的问题import keras的时候，提示：“No module named ‘‘tensorflow.python.eager”."明明昨天用还没问题。 而且网上竟然没有解决方案。就考虑了一下tf和keras的版本，我用的tf1.3,keras2.3.1，就把keras卸载，重装了2.1.2，就没有问题了。 成功： 详细的版本对应参考下面网页：tensorflow和keras对应的版本 "' ref='nofol...
本文实例讲述了python开发中module模块用法。分享给大家供大家参考，具体如下：在python中，我们可以把一些功能模块化，就有一点类似于java中，把一些功能相关或者相同的代码放到一起，这样我们需要用的时候，就可以直接调用了这样做的好处：1,只要写好了一个功能模块，就可以在以后调用，代码的重用就可以体现出来了2,功能写好了以后，不会发生错误。如果一个相同的功能，我们在一个模块中写了一遍，在另外的模块中又写了一遍.......
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