/usr/lib/python3/dist-packages/muranopkgcheck/manager.py is in python3-murano-pkg-check 0.3.0-0ubuntu4.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 | # Copyright (c) 2016 Mirantis, Inc.
#
# Licensed under the Apache License, Version 2.0 (the "License"); you may
# not use this file except in compliance with the License. You may obtain
# a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
# License for the specific language governing permissions and limitations
# under the License.
import abc
import itertools
import pprint
import sys
import types
import six
import stevedore
from muranopkgcheck import error
from muranopkgcheck.i18n import _
from muranopkgcheck.i18n import _LE
from muranopkgcheck import log
from muranopkgcheck import pkg_loader
from muranopkgcheck.validators import VALIDATORS
LOG = log.getLogger(__name__)
error.register.E000(description='Check failed')
@six.add_metaclass(abc.ABCMeta)
class Formatter(object):
@abc.abstractmethod
def format(self, error):
pass # pragma: no cover
class PlainTextFormatter(Formatter):
def format(self, errors):
lines = []
for e in errors:
if e.filename:
lines.append('{filename}:{line}:{column}: {code} {message}'
''.format(**e.to_dict()))
else:
lines.append('{code} {message}'
''.format(**e.to_dict()))
return '\n'.join(lines)
class Manager(object):
def __init__(self, pkg_path, quiet_load=False, loader=None):
if loader:
self.pkg = loader(pkg_path)
else:
self.pkg = pkg_loader.load_package(pkg_path, quiet=quiet_load)
self.validators = list(VALIDATORS)
self.plugins = None
def _to_list(self, error_chain, select=None, ignore=None):
errors = []
while True:
try:
e = next(error_chain)
except StopIteration:
break
except Exception:
exc_info = sys.exc_info()
tb = exc_info[2]
while tb.tb_next:
tb = tb.tb_next
validator_class = tb.tb_frame.f_locals.get('self')
check_name = tb.tb_frame.f_code.co_name
check_locals = tb.tb_frame.f_locals.copy()
check_locals.pop('self', None)
if validator_class:
msg = (_('Checker {} from {} failed!'
'').format(check_name,
validator_class.__class__.__name__))
else:
msg = (_('Checker {} failed!'
'').format(check_name))
LOG.error('{} {}\n{}'.format(msg,
_('Checker locals:'),
pprint.pformat(check_locals)),
exc_info=exc_info)
e = error.report.E000(
msg + _(' See more information in logs.'))
if isinstance(e, types.GeneratorType):
errors.extend(self._to_list(e, select, ignore))
else:
if ((select and e.code not in select) or
(ignore and e.code in ignore)):
LOG.debug('Skipped: {code} {message}'
''.format(**e.to_dict()))
continue
LOG.debug('Reported: {code} {message}'
''.format(**e.to_dict()))
errors.append(e)
return sorted(errors, key=lambda err: err.code)
def load_plugins(self):
if self.plugins is not None:
return
self.plugins = stevedore.ExtensionManager(
'muranopkgcheck.plugins', invoke_on_load=True,
propagate_map_exceptions=True,
on_load_failure_callback=self.failure_hook)
plugin_validators = list(itertools.chain(
*(p.obj.validators() for p in self.plugins)
))
self.validators += plugin_validators
@staticmethod
def failure_hook(_, ep, err):
LOG.error(_LE('Could not load {plugin}: {error}'
'').format(plugin=ep.name, error=err))
raise err
def validate(self, validators=None, select=None, ignore=None,
only_errors=False):
validators = validators or self.validators
report_chains = []
for validator in validators:
v = validator(self.pkg)
report_chains.append(v.run())
issues = self._to_list(itertools.chain(*report_chains), select, ignore)
if only_errors:
return [err for err in issues if err.is_error()]
else:
return issues
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