128 lines
4.5 KiB
Python
128 lines
4.5 KiB
Python
# Copyright (c) 2014 OpenStack Foundation.
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#
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# Licensed under the Apache License, Version 2.0 (the "License"); you may
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# not use this file except in compliance with the License. You may obtain
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# a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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# License for the specific language governing permissions and limitations
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# under the License.
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import re
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import pep8
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_all_log_levels = {
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'critical': '_LC',
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'error': '_LE',
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'exception': '_LE',
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'info': '_LI',
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'reserved': '_', # this should never be used with a log unless
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# it is a variable used for a log message and
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# a exception
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'warning': '_LW',
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}
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_all_hints = set(_all_log_levels.values())
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_log_warn = re.compile(
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r"(.)*LOG\.(warn)\(\s*('|\"|_)")
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def _regex_for_level(level, hint):
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return r".*LOG\.%(level)s\(\s*((%(wrong_hints)s)\(|'|\")" % {
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'level': level,
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'wrong_hints': '|'.join(_all_hints - set([hint])),
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}
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_log_translation_hint = re.compile(
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'|'.join('(?:%s)' % _regex_for_level(level, hint)
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for level, hint in _all_log_levels.items()))
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def _translation_is_not_expected(filename):
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# Do not do these validations on tests
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return any(pat in filename for pat in ["/tests/", "rally-jobs/plugins/"])
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def validate_log_translations(logical_line, physical_line, filename):
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"""N531 - Log messages require translation hints.
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:param logical_line: The logical line to check.
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:param physical_line: The physical line to check.
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:param filename: The file name where the logical line exists.
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:returns: None if the logical line passes the check, otherwise a tuple
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is yielded that contains the offending index in logical line and a
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message describe the check validation failure.
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"""
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if _translation_is_not_expected(filename):
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return
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if pep8.noqa(physical_line):
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return
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msg = "N531: Log messages require translation hints!"
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if _log_translation_hint.match(logical_line):
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yield (0, msg)
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def check_log_warn_deprecated(logical_line, filename):
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"""N532 - Use LOG.warning due to compatibility with py3.
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:param logical_line: The logical line to check.
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:param filename: The file name where the logical line exists.
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:returns: None if the logical line passes the check, otherwise a tuple
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is yielded that contains the offending index in logical line and a
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message describe the check validation failure.
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"""
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msg = "N532: Use LOG.warning due to compatibility with py3"
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if _log_warn.match(logical_line):
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yield (0, msg)
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def no_translate_debug_logs(logical_line, filename):
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"""N533 - Don't translate debug level logs.
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Check for 'LOG.debug(_(' and 'LOG.debug(_Lx('
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As per our translation policy,
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https://wiki.openstack.org/wiki/LoggingStandards#Log_Translation
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we shouldn't translate debug level logs.
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* This check assumes that 'LOG' is a logger.
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:param logical_line: The logical line to check.
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:param filename: The file name where the logical line exists.
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:returns: None if the logical line passes the check, otherwise a tuple
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is yielded that contains the offending index in logical line and a
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message describe the check validation failure.
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"""
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for hint in _all_hints:
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if logical_line.startswith("LOG.debug(%s(" % hint):
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yield(0, "N533 Don't translate debug level logs")
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def check_raised_localized_exceptions(logical_line, filename):
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"""N534 - Untranslated exception message.
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:param logical_line: The logical line to check.
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:param filename: The file name where the logical line exists.
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:returns: None if the logical line passes the check, otherwise a tuple
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is yielded that contains the offending index in logical line and a
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message describe the check validation failure.
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"""
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if _translation_is_not_expected(filename):
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return
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logical_line = logical_line.strip()
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raised_search = re.compile(
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r"raise (?:\w*)\((.*)\)").match(logical_line)
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if raised_search:
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exception_msg = raised_search.groups()[0]
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if exception_msg.startswith("\"") or exception_msg.startswith("\'"):
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msg = "N534: Untranslated exception message."
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yield (logical_line.index(exception_msg), msg)
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