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| 1 | +# |
| 2 | +# linter.py |
| 3 | +# Linter for SublimeLinter3, a code checking framework for Sublime Text 3 |
| 4 | +# |
| 5 | +# Written by Markus Liljedahl |
| 6 | +# Copyright (c) 2017 Markus Liljedahl |
| 7 | +# |
| 8 | +# License: MIT |
| 9 | +# |
| 10 | + |
| 11 | +from SublimeLinter.lint import Linter, util |
| 12 | + |
| 13 | +import re |
| 14 | + |
| 15 | +class CfnLint(Linter): |
| 16 | + """Provides an interface to cfn-lint.""" |
| 17 | + |
| 18 | + cmd = ('cfn-lint', '--template', '${file}', '--format', 'parseable') |
| 19 | + executable = None |
| 20 | + version_args = '--version' |
| 21 | + version_re = r'(?P<version>\d+\.\d+\.\d+)' |
| 22 | + version_requirement = '>= 3.0.1' |
| 23 | + regex = r'^.+?:(?P<line>\d+):(?P<col>\d+):\d+:\d+:((?P<warning>W)|(?P<error>E))(?P<code>.{4}):(?P<message>.+)' |
| 24 | + multiline = True |
| 25 | + line_col_base = (1, 1) |
| 26 | + tempfile_suffix = '-' |
| 27 | + error_stream = util.STREAM_STDOUT |
| 28 | + word_re = None |
| 29 | + comment_re = r'\s*#' |
| 30 | + |
| 31 | + defaults = { |
| 32 | + 'selector': 'source.yaml, source.json', |
| 33 | + 'strict': True |
| 34 | + } |
| 35 | + |
| 36 | + def communicate(self, cmd, code=None): |
| 37 | + """Run an external executable using stdin to pass code and return its output.""" |
| 38 | + relfilename = self.filename |
| 39 | + |
| 40 | + is_cfn = False; |
| 41 | + |
| 42 | + # Check if we're processing a CloudFormation file |
| 43 | + with open(relfilename, 'r', encoding='utf8') as file: |
| 44 | + content = file.read() |
| 45 | + regex = re.compile(r'"?AWSTemplateFormatVersion"?\s*') |
| 46 | + |
| 47 | + if regex.search(content): |
| 48 | + is_cfn = True; |
| 49 | + |
| 50 | + if is_cfn: |
| 51 | + settings = self.get_view_settings() |
| 52 | + |
| 53 | + # Add ignore rules |
| 54 | + ignore_rules = settings.get('ignore_rules', []) |
| 55 | + if len(ignore_rules) > 0: |
| 56 | + |
| 57 | + cmd.append('--ignore-checks') |
| 58 | + |
| 59 | + for ignore_rule in ignore_rules: |
| 60 | + cmd.append(ignore_rule) |
| 61 | + |
| 62 | + # Add apprent rules paths |
| 63 | + append_rules = settings.get('append_rules', []) |
| 64 | + if len(append_rules) > 0: |
| 65 | + |
| 66 | + cmd.append('--append-rules') |
| 67 | + |
| 68 | + for append_rule in append_rules: |
| 69 | + cmd.append(append_rule) |
| 70 | + |
| 71 | + # Add override spdcificaton file |
| 72 | + override_spec = settings.get('override_spec') |
| 73 | + |
| 74 | + if override_spec: |
| 75 | + cmd.append('--override-spec') |
| 76 | + cmd.append(override_spec) |
| 77 | + |
| 78 | + return super().communicate(cmd, code) |
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