Let's look at the following command, which behaves as expected: $ time guix environment --ad-hoc --pure python-pbr python-babel python-iso8601 python-debtcollector python-netaddr python-oslo.config python-oslo.i18n python-oslo.serialization python-oslo.utils python-prettytable python-requests python-six python-stevedore python-coverage python-discover python-fixtures python-keyring python-lxml python-mock python-oauthlib python-oslotest python-pycrypto python-requests-mock python-sphinx python-testrepository python-testresources python-testtools python-webob python-bandit python-setuptools python-pbr openssl python --exec="echo done" done
real 0m5.043s user 0m4.672s sys 0m0.148s Its Python2 counterpart is incredibly slow: $ time guix environment --ad-hoc --pure python2-pbr python2-babel python2-iso8601 python2-debtcollector python2-netaddr python2-oslo.config python2-oslo.i18n python2-oslo.serialization python2-oslo.utils python2-prettytable python2-requests python2-six python2-stevedore python2-coverage python2-discover python2-fixtures python2-keyring python2-lxml python2-mock python2-oauthlib python2-oslotest python2-pycrypto python2-requests-mock python2-sphinx python2-testrepository python2-testresources python2-testtools python2-webob python2-bandit python2-setuptools python2-pbr openssl python-2 --exec="echo done" warning: failed to install locale: Invalid argument done real 9m16.557s user 9m7.868s sys 0m8.128s This makes "guix environment" unusable with Python 2. Cyril.
