I've just applied this patch. Thanks for the very attached nice test and demonstration file.
Best, William Henney <when...@gmail.com> writes: > Dear Sacha, Ian, and Eric > > Thanks very much for your replies. Sacha's way is a clever idea and works > fine, but I think Eric's patch is the best solution in the long term. > Please see attached test file - the patch works perfectly. Although I did > have to study the manual carefully to work out how get it to work using the > #+call: syntax. The key is to use "inside header arguments". Ian's > solution with shebang works when tangling but not for direct evaluation of > the source block. > > Cheers > > Will > > > > > On Fri, Apr 25, 2014 at 10:27 AM, Eric Schulte <schulte.e...@gmail.com>wrote: > >> The attached patch should allow the specification of the python command >> through a new :python header argument. E.g., >> >> #+begin_src python :python /path/to/python2 >> return 1 + 2 >> #+end_src >> >> If someone who actually uses python could confirm that it works as >> expected then I'll be happy to apply it. >> >> >> >> Best, >> Eric >> >> William Henney <when...@gmail.com> writes: >> >> > Hi >> > >> > Is there an easy way to specify the python version to use for a >> particular >> > block or sub-tree? >> > >> > My use case is that I have mainly migrated to python 3, but there is >> still >> > the occasional library that has not been updated yet, so I need to fall >> > back to python 2.7 for some tasks. >> > >> > I can work around the problem by putting the python 2 code in a separate >> > org file and use >> > >> > # Local Variables: >> > # org-babel-python-command: "/path/to/python2" >> > # End: >> > >> > but keeping everything in the same file would be preferable. >> > >> > Thanks >> > >> > Will >> >> -- >> Eric Schulte >> https://cs.unm.edu/~eschulte >> PGP: 0x614CA05D >> >> -- Eric Schulte https://cs.unm.edu/~eschulte PGP: 0x614CA05D