Re: [Matplotlib-users] more demos of mpl with wxPython

[eliben <el...@gm...>]

JonathansCorner.com wrote:
> 
> I personally regard viral licenses with caution: that is, if the copyright
> says, "Don't build on or extend this unless you want your work to be
> covered
> by my chosen license," I will be extremely cautious about building off of
> them. Under the LGPV, if I incorporate one of your demos into my own 2000
> line program, your requirements of fairness require me to place my entire
> 2000 line program under the terms of the license you chose.
> 
> This is a significant deterrent to some programmers.
> 

I think you're mixing up GPL and LGPL here. LGPL was born especially for the
purpose of being copyleft but not viral. With LGPL, if you link my module
into your code, you won't have to release your code, only my module's. With
GPL, you'd have to open both.

While http://www.scipy.org/License_Compatibility is convincing, it also
speaks about GPL in this manner, giving LGPL only a short after-thought in
the end. 

I will however consider lowering the license bar for my demo code, since it
relies too much on BSD-licensed MPL stuff.

Eli

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