mirror of
https://github.com/thegeeklab/ansible-later.git
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150 lines
4.7 KiB
Python
150 lines
4.7 KiB
Python
# -*- coding: utf-8 -*-
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# Copyright (C) 2016 Adrien Vergé
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#
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# This program is free software: you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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"""
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Use this rule to set a limit to lines length.
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Note: with Python 2, the ``line-length`` rule may not work properly with
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unicode characters because of the way strings are represented in bytes. We
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recommend running yamllint with Python 3.
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.. rubric:: Options
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* ``max`` defines the maximal (inclusive) length of lines.
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* ``allow-non-breakable-words`` is used to allow non breakable words (without
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spaces inside) to overflow the limit. This is useful for long URLs, for
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instance. Use ``true`` to allow, ``false`` to forbid.
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* ``allow-non-breakable-inline-mappings`` implies ``allow-non-breakable-words``
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and extends it to also allow non-breakable words in inline mappings.
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.. rubric:: Examples
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#. With ``line-length: {max: 70}``
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the following code snippet would **PASS**:
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::
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long sentence:
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Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do
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eiusmod tempor incididunt ut labore et dolore magna aliqua.
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the following code snippet would **FAIL**:
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::
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long sentence:
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Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod
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tempor incididunt ut labore et dolore magna aliqua.
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#. With ``line-length: {max: 60, allow-non-breakable-words: true}``
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the following code snippet would **PASS**:
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::
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this:
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is:
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- a:
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http://localhost/very/very/very/very/very/very/very/very/long/url
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# this comment is too long,
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# but hard to split:
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# http://localhost/another/very/very/very/very/very/very/very/very/long/url
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the following code snippet would **FAIL**:
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::
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- this line is waaaaaaaaaaaaaay too long but could be easily split...
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and the following code snippet would also **FAIL**:
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::
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- foobar: http://localhost/very/very/very/very/very/very/very/very/long/url
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#. With ``line-length: {max: 60, allow-non-breakable-words: true,
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allow-non-breakable-inline-mappings: true}``
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the following code snippet would **PASS**:
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::
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- foobar: http://localhost/very/very/very/very/very/very/very/very/long/url
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#. With ``line-length: {max: 60, allow-non-breakable-words: false}``
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the following code snippet would **FAIL**:
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::
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this:
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is:
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- a:
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http://localhost/very/very/very/very/very/very/very/very/long/url
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"""
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import yaml
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from yamllint.linter import LintProblem
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ID = 'line-length'
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TYPE = 'line'
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CONF = {'max': int,
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'allow-non-breakable-words': bool,
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'allow-non-breakable-inline-mappings': bool}
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DEFAULT = {'max': 80,
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'allow-non-breakable-words': True,
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'allow-non-breakable-inline-mappings': False}
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def check_inline_mapping(line):
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loader = yaml.SafeLoader(line.content)
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try:
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while loader.peek_token():
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if isinstance(loader.get_token(), yaml.BlockMappingStartToken):
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while loader.peek_token():
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if isinstance(loader.get_token(), yaml.ValueToken):
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t = loader.get_token()
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if isinstance(t, yaml.ScalarToken):
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return (
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' ' not in line.content[t.start_mark.column:])
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except yaml.scanner.ScannerError:
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pass
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return False
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def check(conf, line):
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if line.end - line.start > conf['max']:
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conf['allow-non-breakable-words'] |= \
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conf['allow-non-breakable-inline-mappings']
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if conf['allow-non-breakable-words']:
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start = line.start
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while start < line.end and line.buffer[start] == ' ':
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start += 1
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if start != line.end:
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if line.buffer[start] in ('#', '-'):
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start += 2
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if line.buffer.find(' ', start, line.end) == -1:
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return
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if (conf['allow-non-breakable-inline-mappings'] and
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check_inline_mapping(line)):
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return
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yield LintProblem(line.line_no, conf['max'] + 1,
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'line too long (%d > %d characters)' %
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(line.end - line.start, conf['max']))
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