On 18/11/2018 17:59, Michael wrote: > On 2018-11-18, at 9:55 AM, Russell Jones <russell.jo...@physics.ox.ac.uk> > wrote: > >> On 18/11/2018 17:41, Michael wrote: >>> Which port actually installs pip? >>> >>> keybounceMBP:js-beautify michael$ port select --summary >>> Name Selected Options >>> ==== ======== ======= >>> cython none cython27 none >>> db none db46 db48 none >>> llvm none mp-llvm-3.5 mp-llvm-3.7 mp-llvm-4.0 mp-llvm-5.0 >>> mp-llvm-6.0 none >>> nosetests none nosetests27 none >>> pip none pip36 none >>> pygments none py36-pygments none >>> python python36 python25-apple python26 python26-apple python27 >>> python27-apple python36 none >>> python2 none python25-apple python26 python26-apple python27 >>> python27-apple none >>> python3 none python36 none >>> keybounceMBP:js-beautify michael$ ls /opt/local/bin/pip* >>> 4 /opt/local/bin/pip-3.6@ >>> keybounceMBP:js-beautify michael$ >>> >>> >>> --- >>> Entertaining minecraft videos >>> http://YouTube.com/keybounce >>> >> In python 3.4+, the pip module is built in. So in python3.7, for >> instance, you can use python3.7 -m pip. Alternatively, use the port >> select system, so pip and pip3 are set to pip3.6 >> >> In python2, you need py27-pip, and I guess it shows up in port select >> similarly. >> >> Russell > Aha. So, > > keybounceMBP:js-beautify michael$ port select pip pip36 > Selecting 'pip36' for 'pip' failed: could not create new link > "/opt/local/bin/pip" pointing to > "/opt/local/Library/Frameworks/Python.framework/Versions/3.6/bin/pip": > permission denied > keybounceMBP:js-beautify michael$ sudo !! > sudo port select pip pip36 > Password: > Selecting 'pip36' for 'pip' succeeded. 'pip36' is now active. > keybounceMBP:js-beautify michael$ > > While installing pip36 does result in "port select --summary" showing that it > is active, it actually is NOT until you run the port select command. Odd. > > (Equally odd -- installing python36 in the first place did not install a pip > if it is part of the python system). > > Side question: Why is there not just a "python3", why do we have to > specifically select one of several versions? > > --- > Entertaining minecraft videos > http://YouTube.com/keybounce > I think pip-3.6, etc, are always available.
I guess the Python 3 port file (python3.6, etc, are sub-ports, IIRC) can't tell if a python3 is already installed, so it doesn't try to guess for you which you want. Similarly pip/pip3, etc. Russell
