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Wiki source code of VirtualEnv

Version 6.1 by David De La Harpe Golden on 2026/05/17 16:14
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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.
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.
11
12 {{code language="bash"}}
13 $ mkve BlahVenv
14 $ ve BlahVenv
15 $ pip install av
16 $ exit
17 {{/code}}
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
31 {{/code}}
32
33
34 == ve ==
35
36 {{code language="bash"}}
37
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
46 {{/code}}