[Scons-dev] That was easy…

Tim Jenness tjenness at lsst.org
Fri Dec 25 12:52:21 EST 2015


> On Dec 25, 2015, at 10:26 , Neal Becker <ndbecker2 at gmail.com> wrote:
> 
> Tim Jenness wrote:
>> 
>> I’m not really sure what you mean. future package doesn’t have any
>> dependencies as far as I can tell from the requirements.txt in the
>> package. There are some additional dependencies if you need the code to
>> work on python 2.6 but that’s not an issue here.
>> 
>> futurize -1 doesn’t inject dependencies into the code base itself.
>> 
>>> Haven't tried futurize with '-1', but I meant that if you pip install future 
> it installs many entries into site-packages, in a very intrusive manner.  If 
> you pip install future, it puts not only future and past into site-packages, 
> but such goodies as builtins, and many more.  The builtins caused me 
> conflicts which were very difficult to track down.
> 

builtins is meant to be a no-op on python3. It replaces python2 builtins with implementations that match the python3 spec (such as returning iterators instead of lists; and making strings look like python3 unicode).

— 
Tim Jenness


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