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Node.js virtual environment

nve (node.js virtual environment) is a tool to create isolated node.js environments.

It creates an environment that has its own installation directories, that doesn't share libraries with other node.js virtual environments.

Install

You can install nve with easy_install nodeenv, or from the git repository or from a tarball.

Usage

The basic usage is:

$ ./nve.py --without-ssl env
 * Creating: ~/nodeenv/env/src ... done.
 * Retrieve: http://nodejs.org/dist/node-v0.4.4.tar.gz ...
######################################################################## 100,0%
 * Retrieve: http://nodejs.org/dist/node-v0.4.4.tar.gz ... done.
 * Compile: ~/nodeenv/env/src/node-v0.4.4 ... done.
 * Writing env/bin/activate ... done.

$ . env/bin/activate

(env-0.4.4) $ node -v
v0.4.4

(env-0.4.4) $ deactivate

$ ./nve.py --list
0.0.1   0.0.2   0.0.3   0.0.4   0.0.5   0.0.6   0.1.0
0.1.2   0.1.3   0.1.4   0.1.5   0.1.6   0.1.7   0.1.8
0.1.10  0.1.11  0.1.12  0.1.13  0.1.14  0.1.15  0.1.16
0.1.18  0.1.19  0.1.20  0.1.21  0.1.22  0.1.23  0.1.24
0.1.26  0.1.27  0.1.28  0.1.29  0.1.30  0.1.31  0.1.32
0.1.90  0.1.91  0.1.92  0.1.93  0.1.94  0.1.95  0.1.96
0.1.98  0.1.99  0.1.100 0.1.101 0.1.102 0.1.103 0.1.104
0.2.1   0.2.2   0.2.3   0.2.4   0.2.5   0.2.6   0.3.0
0.3.2   0.3.3   0.3.4   0.3.5   0.3.6   0.3.7   0.3.8
0.4.1   0.4.2   0.4.3   0.4.4

$ ./nve.py --without-ssl --node "0.4.3" --with-npm env-4.3
 * Creating: ~/nodeenv/env-4.3/src ... done.
 * Retrieve: http://nodejs.org/dist/node-v0.4.3.tar.gz ...
######################################################################## 100,0%
 * Retrieve: http://nodejs.org/dist/node-v0.4.3.tar.gz ... done.
 * Compile: ~/nodeenv/env-4.3/src/node-v0.4.3 ... done.
 * Writing env-4.3/bin/activate ... done.
 * Install node.js package manager ... done.

$ . env-4.3/bin/activate

(env-0.4.3) $ node -v
v0.4.3

(env-0.4.3) $ npm -v
0.3.18

(env-0.4.3) $ deactivate

Alternatives

There are several alternatives that create isolated environments:

  • nave - Virtual Environments for Node. Nave stores all environments in one directory ~/.nave. Thus not possible to create different environments for one version of node.js. Can not pass additional arguments into configure (for example --without-ssl)
  • nvm - Node Version Manager. It is necessarily to do nvm sync for caching available node.js version. Can not pass additional arguments into configure (for example --without-ssl)
  • virtualenv Virtual Python Environment builder. For python only.