Wiki source code of VirtualEnv

Version 6.1 by David De La Harpe Golden on 2026/05/17 16:14

version	line-number	content
1.1	1	While historically I use python virtualenv helpers like
	2
	3	* [[vex>>https://pypi.org/project/vex/]]
	4	* [[virtualenvwrapper>>https://pypi.org/project/virtualenvwrapper/]]
	5	* [[virtualenvwrapper-win>>https://pypi.org/project/virtualenvwrapper-win/]]
	6
	7	...since virtualenv is now in the python stdlib, I have lately pared it down to two little helpers
	8
	9	* ##mkve## - makes a new basic virtualenv.
6.1	10	* ##ve## - launches a subshell with the virtualenv active - in contrast to the weird way official activate does within the current shell i.e like ##vex## but less fancy.
1.1	11
	12	{{code language="bash"}}
5.1	13	$ mkve BlahVenv
	14	$ ve BlahVenv
	15	$ pip install av
	16	$ exit
	17	{{/code}}
1.1	18
	19
	20	== mkve ==
	21
	22	{{code language="bash"}}
	23	#!/bin/bash
	24
	25	if [ -e "$1" ] ; then
	26	echo >&2 "Already exists. Use python -m venv ... directly for complex args."
	27	else
	28	exec python -m venv "$1"
	29	fi
	30
3.1	31	{{/code}}
	32
1.1	33
5.1	34	== ve ==
4.1	35
1.1	36	{{code language="bash"}}
3.1	37
1.1	38	#!/bin/bash
	39
	40	if [ -f "$1/bin/activate" ]; then
	41	exec bash --rcfile <(cat ~/.bashrc $1/bin/activate)
	42	else
	43	echo >&2 "Missing Python Virtual Env (should have venv/bin/activate script)"
	44	fi
	45
3.1	46	{{/code}}
1.1	47
	48
3.1	49