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quoted-strings: Fix only-when-needed in flow maps and sequences
Flow maps and sequences need quotes if the values contain any of the flow tokens ({}, [], ','). However, yamllint generates false positives in these cases: $ yamllint -d 'rules: {quoted-strings: {required: only-when-needed}}' - <<<'field: ["string[bracket]"]' 1:9 error string value is redundantly quoted with any quotes (quoted-strings) To fix this, track when inside a flow map/sequence and skip the quoting checks except for the quoting type. Closes #516
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@ -57,9 +57,14 @@ class QuotedTestCase(RuleTestCase):
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' - foo\n' # fails
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' - "foo"\n'
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'flow-seq: [foo, "foo"]\n' # fails
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'flow-map: {a: foo, b: "foo"}\n', # fails
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conf, problem1=(4, 10), problem2=(17, 5),
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problem3=(19, 12), problem4=(20, 15))
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'flow-map: {a: foo, b: "foo"}\n' # fails
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'flow-seq2: [foo, "foo,bar", "foo[bar]", "foo{bar}"]\n'
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'flow-map2: {a: foo, b: "foo,bar"}\n'
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'nested-flow1: {a: foo, b: [foo, "foo,bar"]}\n'
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'nested-flow2: [{a: foo}, {b: "foo,bar", c: ["d[e]"]}]\n',
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conf, problem1=(4, 10), problem2=(17, 5), problem3=(19, 12),
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problem4=(20, 15), problem5=(21, 13), problem6=(22, 16),
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problem7=(23, 19), problem8=(23, 28), problem9=(24, 20))
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self.check('---\n'
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'multiline string 1: |\n'
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' line 1\n'
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@ -97,11 +102,19 @@ class QuotedTestCase(RuleTestCase):
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' - foo\n' # fails
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' - "foo"\n' # fails
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'flow-seq: [foo, "foo"]\n' # fails
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'flow-map: {a: foo, b: "foo"}\n', # fails
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'flow-map: {a: foo, b: "foo"}\n' # fails
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'flow-seq2: [foo, "foo,bar", "foo[bar]", "foo{bar}"]\n'
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'flow-map2: {a: foo, b: "foo,bar"}\n'
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'nested-flow1: {a: foo, b: [foo, "foo,bar"]}\n'
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'nested-flow2: [{a: foo}, {b: "foo,bar", c: ["d[e]"]}]\n',
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conf, problem1=(4, 10), problem2=(5, 10), problem3=(6, 10),
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problem4=(7, 10), problem5=(17, 5), problem6=(18, 5),
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problem7=(19, 12), problem8=(19, 17), problem9=(20, 15),
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problem10=(20, 23))
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problem10=(20, 23), problem11=(21, 13), problem12=(21, 18),
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problem13=(21, 29), problem14=(21, 41), problem15=(22, 16),
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problem16=(22, 24), problem17=(23, 19), problem18=(23, 28),
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problem19=(23, 33), problem20=(24, 20), problem21=(24, 30),
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problem22=(24, 45))
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self.check('---\n'
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'multiline string 1: |\n'
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' line 1\n'
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@ -139,9 +152,15 @@ class QuotedTestCase(RuleTestCase):
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' - foo\n' # fails
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' - "foo"\n'
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'flow-seq: [foo, "foo"]\n' # fails
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'flow-map: {a: foo, b: "foo"}\n', # fails
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'flow-map: {a: foo, b: "foo"}\n' # fails
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'flow-seq2: [foo, "foo,bar", "foo[bar]", "foo{bar}"]\n'
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'flow-map2: {a: foo, b: "foo,bar"}\n'
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'nested-flow1: {a: foo, b: [foo, "foo,bar"]}\n'
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'nested-flow2: [{a: foo}, {b: "foo,bar", c: ["d[e]"]}]\n',
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conf, problem1=(4, 10), problem2=(8, 10), problem3=(17, 5),
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problem4=(19, 12), problem5=(20, 15))
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problem4=(19, 12), problem5=(20, 15), problem6=(21, 13),
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problem7=(22, 16), problem8=(23, 19), problem9=(23, 28),
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problem10=(24, 20))
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self.check('---\n'
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'multiline string 1: |\n'
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' line 1\n'
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@ -179,7 +198,11 @@ class QuotedTestCase(RuleTestCase):
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' - foo\n' # fails
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' - "foo"\n'
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'flow-seq: [foo, "foo"]\n' # fails
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'flow-map: {a: foo, b: "foo"}\n', # fails
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'flow-map: {a: foo, b: "foo"}\n' # fails
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'flow-seq2: [foo, "foo,bar", "foo[bar]", "foo{bar}"]\n'
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'flow-map2: {a: foo, b: "foo,bar"}\n'
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'nested-flow1: {a: foo, b: [foo, "foo,bar"]}\n'
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'nested-flow2: [{a: foo}, {b: "foo,bar", c: ["d[e]"]}]\n',
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conf)
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self.check('---\n'
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'multiline string 1: |\n'
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@ -218,9 +241,16 @@ class QuotedTestCase(RuleTestCase):
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' - foo\n' # fails
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' - "foo"\n'
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'flow-seq: [foo, "foo"]\n' # fails
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'flow-map: {a: foo, b: "foo"}\n', # fails
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'flow-map: {a: foo, b: "foo"}\n' # fails
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'flow-seq2: [foo, "foo,bar", "foo[bar]", "foo{bar}"]\n'
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'flow-map2: {a: foo, b: "foo,bar"}\n'
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'nested-flow1: {a: foo, b: [foo, "foo,bar"]}\n'
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'nested-flow2: [{a: foo}, {b: "foo,bar", c: ["d[e]"]}]\n',
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conf, problem1=(5, 10), problem2=(6, 10), problem3=(7, 10),
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problem4=(18, 5), problem5=(19, 17), problem6=(20, 23))
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problem4=(18, 5), problem5=(19, 17), problem6=(20, 23),
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problem7=(21, 18), problem8=(21, 29), problem9=(21, 41),
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problem10=(22, 24), problem11=(23, 33), problem12=(24, 30),
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problem13=(24, 45))
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self.check('---\n'
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'multiline string 1: |\n'
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' line 1\n'
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@ -258,7 +288,11 @@ class QuotedTestCase(RuleTestCase):
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' - foo\n'
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' - "foo"\n' # fails
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'flow-seq: [foo, "foo"]\n' # fails
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'flow-map: {a: foo, b: "foo"}\n', # fails
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'flow-map: {a: foo, b: "foo"}\n' # fails
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'flow-seq2: [foo, "foo,bar", "foo[bar]", "foo{bar}"]\n'
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'flow-map2: {a: foo, b: "foo,bar"}\n'
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'nested-flow1: {a: foo, b: [foo, "foo,bar"]}\n'
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'nested-flow2: [{a: foo}, {b: "foo,bar", c: ["d[e]"]}]\n',
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conf, problem1=(5, 10), problem2=(8, 10), problem3=(18, 5),
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problem4=(19, 17), problem5=(20, 23))
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self.check('---\n'
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@ -299,10 +333,15 @@ class QuotedTestCase(RuleTestCase):
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' - foo\n'
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' - "foo"\n' # fails
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'flow-seq: [foo, "foo"]\n' # fails
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'flow-map: {a: foo, b: "foo"}\n', # fails
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'flow-map: {a: foo, b: "foo"}\n' # fails
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'flow-seq2: [foo, "foo,bar"]\n' # fails
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'flow-map2: {a: foo, b: "foo,bar"}\n' # fails
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'nested-flow1: {a: foo, b: [foo, "foo,bar"]}\n'
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'nested-flow2: [{a: foo}, {b: "foo,bar", c: ["d[e]"]}]\n',
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conf, problem1=(5, 10), problem2=(6, 10), problem3=(7, 10),
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problem4=(8, 10), problem5=(18, 5), problem6=(19, 17),
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problem7=(20, 23))
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problem7=(20, 23), problem8=(21, 18), problem9=(22, 24),
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problem10=(23, 33), problem11=(24, 30), problem12=(24, 45))
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self.check('---\n'
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'multiline string 1: |\n'
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' line 1\n'
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@ -186,7 +186,11 @@ def _quote_match(quote_type, token_style):
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(quote_type == 'double' and token_style == '"'))
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def _quotes_are_needed(string):
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def _quotes_are_needed(string, is_inside_a_flow):
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# Quotes needed on strings containing flow tokens
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if is_inside_a_flow and set(string) & {',', '[', ']', '{', '}'}:
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return True
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loader = yaml.BaseLoader('key: ' + string)
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# Remove the 5 first tokens corresponding to 'key: ' (StreamStartToken,
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# BlockMappingStartToken, KeyToken, ScalarToken(value=key), ValueToken)
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@ -209,6 +213,16 @@ def _has_quoted_quotes(token):
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def check(conf, token, prev, next, nextnext, context):
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if 'flow_nest_count' not in context:
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context['flow_nest_count'] = 0
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if isinstance(token, (yaml.FlowMappingStartToken,
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yaml.FlowSequenceStartToken)):
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context['flow_nest_count'] += 1
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elif isinstance(token, (yaml.FlowMappingEndToken,
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yaml.FlowSequenceEndToken)):
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context['flow_nest_count'] -= 1
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if not (isinstance(token, yaml.tokens.ScalarToken) and
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isinstance(prev, (yaml.BlockEntryToken, yaml.FlowEntryToken,
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yaml.FlowSequenceStartToken, yaml.TagToken,
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@ -261,7 +275,8 @@ def check(conf, token, prev, next, nextnext, context):
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# Quotes are not strictly needed here
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if (token.style and tag == DEFAULT_SCALAR_TAG and token.value and
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not _quotes_are_needed(token.value)):
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not _quotes_are_needed(token.value,
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context['flow_nest_count'] > 0)):
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is_extra_required = any(re.search(r, token.value)
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for r in conf['extra-required'])
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is_extra_allowed = any(re.search(r, token.value)
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