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96 lines
2.7 KiB
Python
96 lines
2.7 KiB
Python
# -*- coding: utf-8 -*-
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# Copyright (C) 2017 ScienJus
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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 prevent values with octal numbers. In YAML, numbers that
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start with ``0`` are interpreted as octal, but this is not always wanted.
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For instance ``010`` is the city code of Beijing, and should not be
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converted to ``8``.
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.. rubric:: Examples
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#. With ``octal-values: {forbid-implicit-octal: true}``
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the following code snippets would **PASS**:
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::
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user:
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city-code: '010'
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the following code snippets would **PASS**:
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::
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user:
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city-code: 010,021
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the following code snippets would **FAIL**:
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::
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user:
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city-code: 010
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#. With ``octal-values: {forbid-explicit-octal: true}``
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the following code snippets would **PASS**:
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::
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user:
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city-code: '0o10'
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the following code snippets would **FAIL**:
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::
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user:
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city-code: 0o10
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"""
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import yaml
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from yamllint.linter import LintProblem
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ID = 'octal-values'
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TYPE = 'token'
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CONF = {'forbid-implicit-octal': bool,
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'forbid-explicit-octal': bool}
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DEFAULT = {'forbid-implicit-octal': False,
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'forbid-explicit-octal': False}
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def check(conf, token, prev, next, nextnext, context):
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if prev and isinstance(prev, yaml.tokens.TagToken):
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return
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if conf['forbid-implicit-octal']:
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if isinstance(token, yaml.tokens.ScalarToken):
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if not token.style:
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val = token.value
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if val.isdigit() and len(val) > 1 and val[0] == '0':
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yield LintProblem(
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token.start_mark.line + 1, token.end_mark.column + 1,
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'forbidden implicit octal value "%s"' %
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token.value)
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if conf['forbid-explicit-octal']:
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if isinstance(token, yaml.tokens.ScalarToken):
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if not token.style:
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val = token.value
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if len(val) > 2 and val[:2] == '0o' and val[2:].isdigit():
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yield LintProblem(
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token.start_mark.line + 1, token.end_mark.column + 1,
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'forbidden explicit octal value "%s"' %
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token.value)
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