vim 配置python3环境_vim怎么运行python

# 可见vim版本为7.4
[root@drp-monitor-20210426165633-mojh ~]# vim --version
VIM - Vi IMproved 7.4 (2013 Aug 10, compiled Dec 15 2020 16:44:08)
Included patches: 1-207, 209-629
Modified by <bugzilla@redhat.com>
Compiled by <bugzilla@redhat.com>
……
+cryptv          +linebreak       +python/dyn      +viminfo
+cscope          +lispindent      -python3         +vreplace
……


[root@drp-monitor-20210426165633-mojh ~]# rpm -qa | grep vim 
vim-filesystem-7.4.160-5.el7.x86_64
vim-minimal-7.4.160-5.el7.x86_64
vim-enhanced-7.4.629-8.el7_9.x86_64
vim-common-7.4.629-8.el7_9.x86_64

cd /home/service/packages/vim
mkdir vim8.2
cd vim8.2
git clone git://github.com/vim/vim.git
cd vim/src
#make clean仅仅是清除之前编译的可执行文件及配置文件
make clean
./configure --prefix=/usr/local/vim/ --with-features=huge --enable-python3interp --enable-luainterp --enable-perlinterp --enable-multibyte --enable-cscope --with-python-config-dir=/usr/local/lib/python3.9/
make
# make distclean要清除所有生成的文件
make distclean  #如果make出错时执行，调整后再重新make。
make install
#删除老vim版本，如下是RPM安装的删除方式。如果是编译安装的直接删除安装目录即可。如果是yum安装的，则可以使用yum remove来删除老版本
# rpm -e vim-enhanced-2:7.4.629-8.el7_9.x86_64
# rpm -e vim-common-2:7.4.629-8.el7_9.x86_64
# rpm -e vim-filesystem-7.4.160-5.el7.x86_64
#最后在创建一个软连接
ln -s /usr/local/vim/bin/vim /usr/bin/vim
# 检查vim版本
[root@drp-monitor-20210426165633-mojh bin]# vim --version 
VIM - Vi IMproved 8.2 (2019 Dec 12, compiled Aug 24 2021 19:05:47)
Included patches: 1-3370
Compiled by root@drp-monitor-20210426165633-mojh
Huge version without GUI.  Features included (+) or not (-):
……
+cmdline_hist      +langmap           +python/dyn        +visual
+cmdline_info      +libcall           +python3/dyn       +visualextra
……

#如下/usr/lib64/python2.7 就是我们需要的python2路径
[root@drp-monitor-20210426165633-mojh bin]# python
Python 2.7.5 (default, Apr  2 2020, 13:16:51) 
[GCC 4.8.5 20150623 (Red Hat 4.8.5-39)] on linux2
Type "help", "copyright", "credits" or "license" for more information.
>>> import sys
>>> sys.path
['', '/usr/lib64/python27.zip', '/usr/lib64/python2.7', '/usr/lib64/python2.7/plat-linux2', '/usr/lib64/python2.7/lib-tk', '/usr/lib64/python2.7/lib-old', '/usr/lib64/python2.7/lib-dynload', '/usr/lib64/python2.7/site-packages', '/usr/lib64/python2.7/site-packages/gtk-2.0', '/usr/lib/python2.7/site-packages']
#如下/usr/local/lib/python3.9 就是我们需要的python3路径
[root@drp-monitor-20210426165633-mojh bin]# python 
Python 3.9.6 (default, Jul 21 2021, 17:15:57) 
[GCC 4.8.5 20150623 (Red Hat 4.8.5-36)] on linux
Type "help", "copyright", "credits" or "license" for more information.
>>> import sys
>>> sys.path
['', '/usr/local/lib/python39.zip', '/usr/local/lib/python3.9', '/usr/local/lib/python3.9/lib-dynload', '/root/.local/lib/python3.9/site-packages', '/usr/local/lib/python3.9/site-packages']

# mkdir /usr/local/vim/share/vim/bundle
cd /usr/local/vim/share/vim/bundle
# 下载vundle插件管理器到/usr/local/vim/share/vim/bundle/vundle.vim目录下
git clone git://github.com/VundleVim/Vundle.vim.git /usr/local/vim/share/vim/bundle/vundle.vim
# 拷贝一份vimrc样本配置文件
cp /usr/local/vim/share/vim/vim82/vimrc_example.vim /usr/local/vim/share/vim/vimrc
vim /usr/local/vim/share/vim/vimrc
#加入如下内容：
"去除VI一致性,必须 set nocompatible "必须             
filetype off                  
"设置Vundle的运行路径 set rtp+=/usr/local/vim/share/vim/bundle/vundle.vim "设置插件的安装路径,vundle插件起始标志，
"#begin …… #end 之间就是要安装的插件，插件文件放在rtp+对应路径下面 call vundle#begin('/usr/local/vim/share/vim/bundle') "让vundle管理插件版本
Plugin 'VundleVim/Vundle.vim'
"你的所有插件需要在下面这行之前 call vundle#end() "加载vim自带和插件相应的语法和文件类型相关脚本
filetype plugin indent on

# 1）vim命令进入vim程序
# vim
# 2）命令模式下执行:PluginList列出你所有的插件
:PluginList
# 3) 命令模式下执行:PluginInstall安装插件
:PluginInstall

#删除插件只需要在vimrc配置文件中注释掉对应的插件，在vim中用:PluginClean命令就会清理掉注释掉的插件
注意：
删除插件从磁盘删除对应的插件相关文件

cd /usr/local/vim/share/vim/bundle
git clone git://github.com/preservim/nerdtree.git
vim ../vimrc
#编辑vimrc配置文件，在#begin……#end之间，添加如下内容：
"添加nerdtree插件 Plugin 'preservim/nerdtree' "设置按F2启动NerdTree
map <F2> :NERDTreeToggle<CR>
"隐藏目录树中的.pyc文件 let NERDTreeIgnore=['\.pyc$', '\~$'] "ignore files in NERDTree
在PluginList，PluginInstall来安装该插件

cd /usr/local/vim/share/vim/bundle
git clone git://github.com/ycm-core/YouCompleteMe.git
cd /usr/local/vim/share/vim/bundle/YouCompleteMe
git submodule update --init --recursive  #可能报错见“报错1”
python install.py --clang-completer     #可能报错见“报错2”

#Q1: 报错1--git submodule报错
[root@drp-monitor-20210426165633-mojh YouCompleteMe]# git submodule update --init --recursive
Cloning into 'third_party/bottle'...
fatal: unable to access 'https://github.com/defnull/bottle/': Failed connect to 127.0.0.1:1080; Connection refused
Clone of 'https://github.com/defnull/bottle' into submodule path 'third_party/bottle' failed
Failed to recurse into submodule path 'third_party/ycmd'
#A1： 需要修改访问github的协议
1) 需要将报错的模块对应的https:// 协议改成 git:// 
cd /usr/local/vim/share/vim/bundle/YouCompleteMe
如上报错中提示‘https://github.com/defnull/bottle’ 找不到，
grep -ri "https://github.com/defnull/bottle"  查看哪些文件配置了这个，如下：
sed -i s#https://#git://# third_party/ycmd/.gitmodules
sed -i s#https://#git://# .git/modules/third_party/ycmd/config
注意：非github地址，可以可能需要保持使用https://协议
#补充：
查看git配置：
git config --global -l
配置代理：
git config --global http.proxy http://127.0.0.1:1080
git config --global https.proxy http://127.0.0.1:1080
取消代理：
git config --global --unset http.proxy
git config --global --unset https.proxy
#Q2:报错2--正式安装YouCompleteMe插件时报错
[root@drp-monitor-20210426165633-mojh YouCompleteMe]# python install.py --clang-completer
File /usr/local/vim/share/vim/bundle/YouCompleteMe/third_party/ycmd/build.py does not exist; you probably forgot to run:
git submodule update --init --recursive
#A2:
修改.gitmodules 将“https://"  改成 ”git://"    # 因为可能https协议可能无法访问。
git submodule sync
git submodule update --init --recursive
#Q3:报错3--缺少动态链接库
#A3:下载python源码包，重新编译，并复制到指定目录
1）下载（www.python.org）
2）./configure --prefix=/usr/local --enable-shared CFLAGS=-fPIC
3)make
4)makeinstall
5)复制到指定目录
cp libpython3.6m.so.1.0 /usr/local/lib64/
cp libpython3.6m.so.1.0 /usr/lib/ 
cp libpython3.6m.so.1.0 /usr/lib64/
#Q4：报错4：缺少devtoolset-8
-- NOTE: You appear to be on CentOS. In order to use this application, you require a more modern compiler than the default compiler on this platform. Please install the devtoolset-8 or greater. For example, see this link: https://www.softwarecollections.org/en/scls/rhscl/devtoolset-8/
CMake Error at CMakeLists.txt:232 (message):
Your C++ compiler does NOT fully support C++17.
-- Configuring incomplete, errors occurred!
See also "/tmp/ycm_build_s84e_jbz/CMakeFiles/CMakeOutput.log".
ERROR: the build failed.
#A4:参考如下：
1）. Install a package with repository for your system:
# On CentOS, install package centos-release-scl available in CentOS repository:
$ sudo yum install centos-release-scl
# On RHEL, enable RHSCL repository for you system:
$ sudo yum-config-manager --enable rhel-server-rhscl-7-rpms
2）. Install the collection:
$ sudo yum install devtoolset-8
3）. Start using software collections:
$ scl enable devtoolset-8 bash
#Q5:报错5：
[root@drp-monitor-20210426165633-mojh vim]# vim 
YouCompleteMe unavailable: unable to load Python.
Press ENTER or type command to continue
#A5:原因：vim8不能同时python和python3，需要关闭python2的配置开关--enable-pythoninterp
#重新编译vim
cd vim源码包
make uninstall
./configure --prefix=/usr/local/vim/ --with-features=huge  --enable-python3interp --enable-luainterp --enable-perlinterp --enable-multibyte --enable-cscope --with-python-config-dir=/usr/local/lib/python3.9
make
make install

#查看日志
:YcmToggleLogs ycmd_49353_stderr_hfxb354_.log
#重启ycmd server
:YcmRestartServer
#ycmd命令自动补全
:Ycm(按tab键选择，按enter确定)