93 lines
3.3 KiB
Python
93 lines
3.3 KiB
Python
# -*- 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, EnvironmentError):
|
|
# distutils (i.e. #:use-setuptools? #f) will not install any metadata.
|
|
# This file is also missing for packages built using a PEP 517 builder
|
|
# such as poetry.
|
|
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
|
|
|
|
# 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)
|