diff options
author | Lars-Dominik Braun <lars@6xq.net> | 2021-01-03 10:30:29 +0100 |
---|---|---|
committer | Maxim Cournoyer <maxim.cournoyer@gmail.com> | 2021-02-01 11:53:43 -0500 |
commit | 09448c0994390697e876db235a3b773311795238 (patch) | |
tree | 158aef0eaa52de9de9711a9017ea3338aa8d8190 /gnu | |
parent | 8a15ecf0e3434f82194b8ccafbcfaafb5d323749 (diff) |
build/python: Add a sanity check phase.
Add a new phase validating the usability of installed Python packages.
* gnu/packages/aux-files/python/sanity-check.py: New file.
* Makefile.am (AUX_FILES): Register it.
* guix/build-system/python.scm (sanity-check.py): New variable.
(lower): Add the script as an implicit input.
* guix/build/python-build-system.scm: Remove trailing #t.
(sanity-check): New phase.
(%standard-phases): Use it.
* tests/builders.scm: (make-python-dummy)
(dummy-ok, dummy-dummy-nosetuptools, dummy-fail-requirements)
(dummy-fail-import, dummy-fail-console-script): New variables.
("python-build-system: dummy-ok")
("python-build-system: dummy-dummy-nosetuptools")
("python-build-system: dummy-fail-requirements")
("python-build-system: dummy-fail-import")
("python-build-system: dummy-fail-console-script"): Add tests.
Diffstat (limited to 'gnu')
-rw-r--r-- | gnu/packages/aux-files/python/sanity-check.py | 91 |
1 files changed, 91 insertions, 0 deletions
diff --git a/gnu/packages/aux-files/python/sanity-check.py b/gnu/packages/aux-files/python/sanity-check.py new file mode 100644 index 0000000000..355e55b240 --- /dev/null +++ b/gnu/packages/aux-files/python/sanity-check.py @@ -0,0 +1,91 @@ +# -*- coding: utf-8 -*- +# GNU Guix --- Functional package management for GNU +# Copyright © 2021 Lars-Dominik Braun <lars@6xq.net> +# +# This file is part of GNU Guix. +# +# GNU Guix is free software; you can redistribute it and/or modify it +# under the terms of the GNU General Public License as published by +# the Free Software Foundation; either version 3 of the License, or (at +# your option) any later version. +# +# GNU Guix is distributed in the hope that it will be useful, but +# WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU General Public License for more details. +# +# You should have received a copy of the GNU General Public License +# along with GNU Guix. If not, see <http://www.gnu.org/licenses/>. + +from __future__ import print_function # Python 2 support. +import importlib +import pkg_resources +import sys +import traceback + +try: + from importlib.machinery import PathFinder +except ImportError: + PathFinder = None + +ret = 0 + +# Only check site-packages installed by this package, but not dependencies +# (which pkg_resources.working_set would include). Path supplied via argv. +ws = pkg_resources.find_distributions(sys.argv[1]) + +for dist in ws: + print('validating', repr(dist.project_name), dist.location) + try: + print('...checking requirements: ', end='') + req = str(dist.as_requirement()) + # dist.activate() is not enough to actually check requirements, we + # have to .require() it. + pkg_resources.require(req) + print('OK') + except Exception as e: + print('ERROR:', req, e) + ret = 1 + continue + + # Try to load top level modules. This should not have any side-effects. + try: + metalines = dist.get_metadata_lines('top_level.txt') + except KeyError: + # distutils (i.e. #:use-setuptools? #f) will not install any metadata. + print('WARNING: cannot determine top-level modules') + continue + for name in metalines: + # Only available on Python 3. + if PathFinder and PathFinder.find_spec(name) is None: + # Ignore unavailable modules, often C modules, which were not + # installed at the top-level. Cannot use ModuleNotFoundError, + # because it is raised by failed imports too. + continue + try: + print('...trying to load module', name, end=': ') + importlib.import_module(name) + print('OK') + except Exception: + print('ERROR:') + traceback.print_exc(file=sys.stdout) + ret = 1 + continue + + # Try to load entry points of console scripts too, making sure they + # work. They should be removed if they don't. Other groups may not be + # safe, as they can depend on optional packages. + for group, v in dist.get_entry_map().items(): + if group not in {'console_scripts', 'gui_scripts'}: + continue + for name, ep in v.items(): + try: + print('...trying to load endpoint', group, name, end=': ') + ep.load() + print('OK') + except Exception: + print('ERROR:') + traceback.print_exc(file=sys.stdout) + ret = 1 + +sys.exit(ret) |