[Idle-dev] Source code of IDLE

[Terry Reedy]

On 9/30/2017 9:50 AM, Александр wrote:
> Tell me, please, can I use some of the IDLE source code in my program?

The official answer is "Read the license", in particular, the PYTHON 
SOFTWARE FOUNDATION LICENSE VERSION 2.  You can access it on the online 
docs or by entering 'license()' at a >>> prompt or in IDLE, Help => 
About IDLE => License.  In general, the license is generous in giving 
permissions, so long as one gives credit and takes responsibility for 
the result.

I do not know the legal definition of 'derivative work' as used in the 
license, and you did not say how much is 'some'.  If you use all or most 
of a module, include the the copyright notice of clause 2 and the 'brief 
summary of changes' of clause 3.

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-- 
Terry Jan Reedy