windows下虚拟python环境

Windows虚拟环境

cd %HOMEDRIVE%%HOMEPATH%\Desktop

python3  -m  venv venv

环境变量修改脚本bat，把脚本放到%HOMEDRIVE%%HOMEPATH%\Desktop\venv\Scripts执行

@echo off
::设置要永久加入到path环境变量中的路径
set vnv_PATH=%cd%
set PATH=%PATH%;%vnv_PATH%
reg add "HKLM\SYSTEM\CurrentControlSet\Control\Session Manager\Environment" /v "Path" /t REG_EXPAND_SZ /d "%PATH%" /f
exit

启动脚本bat

@echo off 
cmd /k %HOMEDRIVE%%HOMEPATH%\Desktop\venv\Scripts\activate

py_venv.txt里的内容为：

asn1crypto==0.24.0
backcall==0.1.0
bcrypt==3.1.6
cffi==1.12.3
colorama==0.4.1
cryptography==2.6.1
decorator==4.4.0
Django==2.2
ipython==7.4.0
ipython-genutils==0.2.0
jedi==0.13.3
paramiko==2.4.2
parso==0.4.0
pexpect==4.7.0
pickleshare==0.7.5
prompt-toolkit==2.0.9
ptyprocess==0.6.0
pyasn1==0.4.5
pycparser==2.19
pygame==1.9.5
Pygments==2.3.1
PyMySQL==0.9.3
PyNaCl==1.3.0
PyQt5==5.12.1
PyQt5-sip==4.19.15
pytz==2019.1
pywin32==224
six==1.12.0
sqlparse==0.3.0
traitlets==4.3.2
wcwidth==0.1.7

PyInstaller==3.4

python -m pip install --upgrade pip
pip install -r pippytxt