Support no warnings in config

tests/test_cli.py

@@ -614,6 +614,16 @@ def test_run_no_warnings(self):
             cli.run((path, '--no-warnings', '-f', 'auto'))
         self.assertEqual(ctx.returncode, 0)
 
+    def test_run_no_warnings_from_config(self):
+        with open(os.path.join(self.wd, 'config'), 'w') as f:
+            f.write('no-warnings: true')
+
+        path = os.path.join(self.wd, 'warn.yaml')
+
+        with RunContext(self) as ctx:
+            cli.run((path, '-c', f.name, '-f', 'auto'))
+        self.assertEqual(ctx.returncode, 0)
+
     def test_run_no_warnings_and_strict(self):
         path = os.path.join(self.wd, 'warn.yaml')
 

tests/test_config.py

@@ -28,6 +28,21 @@
 
 
 class SimpleConfigTestCase(unittest.TestCase):
+    def test_no_warnings_config(self):
+        new = config.YamlLintConfig('extends: default')
+        self.assertFalse(new.no_warnings)
+
+        new = config.YamlLintConfig('no-warnings: false')
+        self.assertFalse(new.no_warnings)
+
+        new = config.YamlLintConfig('no-warnings: true')
+        self.assertTrue(new.no_warnings)
+
+        with self.assertRaisesRegex(
+                config.YamlLintConfigError,
+                'invalid config: no-warnings should be a bool'):
+            config.YamlLintConfig('no-warnings: foobar')
+
     def test_parse_config(self):
         new = config.YamlLintConfig('rules:\n'
                                     '  colons:\n'

yamllint/cli.py

@@ -198,6 +198,7 @@ def run(argv=None):
         locale.setlocale(locale.LC_ALL, conf.locale)
 
     max_level = 0
+    no_warnings = args.no_warnings or conf.no_warnings
 
     for file in find_files_recursively(args.files, conf):
         filepath = file[2:] if file.startswith('./') else file
@@ -208,7 +209,7 @@ def run(argv=None):
             print(e, file=sys.stderr)
             sys.exit(-1)
         prob_level = show_problems(problems, file, args_format=args.format,
-                                   no_warn=args.no_warnings)
+                                   no_warn=no_warnings)
         max_level = max(max_level, prob_level)
 
     # read yaml from stdin
@@ -219,7 +220,7 @@ def run(argv=None):
             print(e, file=sys.stderr)
             sys.exit(-1)
         prob_level = show_problems(problems, 'stdin', args_format=args.format,
-                                   no_warn=args.no_warnings)
+                                   no_warn=no_warnings)
         max_level = max(max_level, prob_level)
 
     if max_level == PROBLEM_LEVELS['error']:

yamllint/config.py

@@ -36,6 +36,7 @@ def __init__(self, content=None, file=None):
             'gitwildmatch', ['*.yaml', '*.yml', '.yamllint'])
 
         self.locale = None
+        self.no_warnings = False
 
         if file is not None:
             with open(file) as f:
@@ -119,6 +120,12 @@ def parse(self, raw_content):
                     'invalid config: locale should be a string')
             self.locale = conf['locale']
 
+        if 'no-warnings' in conf:
+            if not isinstance(conf['no-warnings'], bool):
+                raise YamlLintConfigError(
+                    'invalid config: no-warnings should be a bool')
+            self.no_warnings = bool(conf['no-warnings'])
+
     def validate(self):
         for id in self.rules:
             try: