f8c25dd2aa
Added hacking check to ensure that _ is imported and allows multiple imports from i18n module per line. Change-Id: Ieffabd6f2fe866000c5dc1d9ce83acd2f9ab0450
71 lines
2.6 KiB
Python
71 lines
2.6 KiB
Python
# Copyright (c) 2017, NTT Data
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# All Rights Reserved.
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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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"""
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Guidelines for writing new hacking checks
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- Use only for masakarimonitors specific tests. OpenStack general tests
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should be submitted to the common 'hacking' module.
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- Pick numbers in the range M3xx. Find the current test with
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the highest allocated number and then pick the next value.
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- Keep the test method code in the source file ordered based
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on the M3xx value.
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- List the new rule in the top level HACKING.rst file
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- Add test cases for each new rule to masakarimonitors/tests/unit/
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test_hacking.py
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"""
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UNDERSCORE_IMPORT_FILES = []
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translated_log = re.compile(
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r"(.)*LOG\.(audit|error|info|critical|exception)"
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"\(\s*_\(\s*('|\")")
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string_translation = re.compile(r"[^_]*_\(\s*('|\")")
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underscore_import_check = re.compile(r"(.)*import _(.)*")
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underscore_import_check_multi = re.compile(r"(.)*i18n\s+import(.)* _, (.)*")
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# We need this for cases where they have created their own _ function.
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custom_underscore_check = re.compile(r"(.)*_\s*=\s*(.)*")
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def check_explicit_underscore_import(logical_line, filename):
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"""Check for explicit import of the _ function
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We need to ensure that any files that are using the _() function
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to translate logs are explicitly importing the _ function. We
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can't trust unit test to catch whether the import has been
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added so we need to check for it here.
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"""
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# Build a list of the files that have _ imported. No further
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# checking needed once it is found.
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for file in UNDERSCORE_IMPORT_FILES:
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if file in filename:
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return
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if (underscore_import_check.match(logical_line) or
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underscore_import_check_multi.match(logical_line) or
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custom_underscore_check.match(logical_line)):
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UNDERSCORE_IMPORT_FILES.append(filename)
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elif(translated_log.match(logical_line) or
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string_translation.match(logical_line)):
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yield(0, "M301: Found use of _() without explicit import of _ !")
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def factory(register):
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register(check_explicit_underscore_import)
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