qutebrowser/scripts/dev/pylint_checkers/qute_pylint/config.py
2017-07-02 22:17:33 +02:00

83 lines
2.9 KiB
Python

# vim: ft=python fileencoding=utf-8 sts=4 sw=4 et:
# Copyright 2014-2017 Florian Bruhin (The Compiler) <mail@qutebrowser.org>
#
# This file is part of qutebrowser.
#
# qutebrowser 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.
#
# qutebrowser 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 qutebrowser. If not, see <http://www.gnu.org/licenses/>.
"""Custom astroid checker for config calls."""
import sys
import os
import os.path
import yaml
import astroid
from pylint import interfaces, checkers
from pylint.checkers import utils
class ConfigChecker(checkers.BaseChecker):
"""Custom astroid checker for config calls."""
__implements__ = interfaces.IAstroidChecker
name = 'config'
msgs = {
'E0000': ('%s is no valid config option.', # flake8: disable=S001
'bad-config-call',
None),
'E0001': ('old config call', # flake8: disable=S001
'old-config-call',
None),
}
priority = -1
@utils.check_messages('bad-config-call')
def visit_call(self, node):
"""Visit a Call node."""
if hasattr(node, 'func'):
infer = utils.safe_infer(node.func)
if infer and infer.root().name == 'qutebrowser.config.config':
if getattr(node.func, 'attrname', None) in ['get', 'set']:
self._check_config(node)
def _check_config(self, node):
"""Check that the arguments to config.get(...) are valid."""
# try:
# sect_arg = utils.get_argument_from_call(node, position=0,
# keyword='sectname')
# opt_arg = utils.get_argument_from_call(node, position=1,
# keyword='optname')
# except utils.NoSuchArgumentError:
# return
# sect_arg = utils.safe_infer(sect_arg)
# opt_arg = utils.safe_infer(opt_arg)
# if not (isinstance(sect_arg, astroid.Const) and
# isinstance(opt_arg, astroid.Const)):
# return
# try:
# configdata.DATA[sect_arg.value][opt_arg.value]
# except KeyError:
# self.add_message('bad-config-call', node=node,
# args=(sect_arg.value, opt_arg.value))
self.add_message('old-config-call', node=node)
def register(linter):
"""Register this checker."""
linter.register_checker(ConfigChecker(linter))