virtualenv question: include just a few site packages
jeanmichel at sequans.com
Thu Oct 9 15:19:29 CEST 2014
----- Original Message -----
> From: "Gelonida N" <gelonida at gmail.com>
> To: python-list at python.org
> Sent: Thursday, 9 October, 2014 12:09:50 AM
> Subject: virtualenv question: include just a few site packages
> virtualenv has the switch
> --system-site-packages (including all system site pacgaes)
> and the switch
> --no-site-packages (to expclude all site packages)
> Does anyone know an easy way to include just a few site-packages?
> for example (PySide, but not PyQt)
> The reason I'm asking is following.
> Some site packages are sometimes raher huge or sometimes refuse to
> compile on certain hosts.
> as these packages are already part of the site packages I'd like to
> include them.
> You might wonder why I care whether I have more site packages than I
> need. As long as I don't import them, I shouldn't care about it.
> If I really wanted to replace a version I could use pip install -U.
> However sometimes I'd like to have a test environment where want to
> sure, that no module can find certain other modules. so they should
> be visible.
> at the moment I make some experiments with pyinstaller and the module
> pythonqtbindings. and there I'd like to be sure that no PuQt files
> up in the generated code.
> The only idea, that I have so far is to
> run virutalanv with --system-side-packages and to manually remove
> modules I don't want or to
> run virtualenv without this switch and to manually add links for site
> packages, taht I want. both options don't really feel right for me.
> Is there any other way?
You could build a virtual machine, installing only your VIP modules, and create virtual environment on this virtual machine, using the system site packages.
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