gnu: Add python-levenshtein.
* gnu/packages/python.scm (python-levenshtein, python2-levenshtein):
New variables.
gnu: python-dateutil: Update to 2.6.0.
* gnu/packages/python.scm (python-dateutil, python2-dateutil): Update to 2.6.0.
gnu: Add python-elasticsearch.
* gnu/packages/python.scm (python-elasticsearch, python2-elasticsearch):
New variables.
gnu: Add python-nosexcover.
* gnu/packages/python.scm (python-nosexcover, python2-nosexcover): New variables.
gnu: Add python-dirsync.
* gnu/packages/python.scm (python-dirsync, python2-dirsync): New variables.
gnu: Add python-diff-match-patch.
* gnu/packages/python.scm (python-diff-match-patch, python2-diff-match-patch):
New variables.
gnu: Add python-cssmin.
* gnu/packages/python.scm (python-cssmin, python2-cssmin): New variables.
gnu: python-rq: Update to 0.7.1.
* gnu/packages/python.scm (python-rq, python2-rq): Update to 0.7.1.
[source]: Use pypi-uri.
gnu: Add python-sphinx-me.
* gnu/packages/python.scm (python-sphinx-me, python2-sphinx-me): New variables.
gnu: Add python-webassets.
* gnu/packages/python.scm (python-webassets, python2-webassets): New variables.
gnu: Add python-utils.
* gnu/packages/python.scm (python-utils, python2-utils): New variables.
gnu: Add python-pytest-catchlog.
* gnu/packages/python.scm (python-pytest-catchlog, python2-pytest-catchlog):
New variables.
gnu: Add python-pytest-warnings.
* gnu/packages/python.scm (python-pytest-warnings, python2-pytest-warnings):
New variables.
gnu: python-pytest-runner: Update to 2.11.1.
* gnu/packages/python.scm (python-pytest-runner)
(python2-pytest-runner): Update to 2.11.1.
gnu: emacs-smartparens: Update to 1.10.1.
* gnu/packages/emacs.scm (emacs-smartparens): Update to 1.10.1.
gnu: Add PRoot.
* gnu/packages/linux.scm (proot): New variable.
* gnu/packages/patches/proot-test-fhs.patch: New file.
* gnu/local.mk (dist_patch_DATA): Add it.
gnu: hwloc: Update to 1.11.7.
* gnu/packages/mpi.scm (hwloc): Update to 1.11.7.
substitute: Honor 'Cache-Control' on 404 responses.
* guix/scripts/substitute.scm (cached-narinfo): When VALUE is #f, use
the TTL that is read instead of %NARINFO-NEGATIVE-TTL.
(cached-narinfo-expiration-time): Likewise.
publish: Advertise a short TTL for "baking" 404s.
* guix/scripts/publish.scm (not-found): Add #:phrase and #:ttl
parameters and honor them.
* tests/publish.scm ("with cache"): Check the 'cache-control' header on
of the 404 response.