Coverage for /pythoncovmergedfiles/medio/medio/usr/local/lib/python3.11/site-packages/pygments/lexers/promql.py: 100%

1""" 

2 pygments.lexers.promql 

3 ~~~~~~~~~~~~~~~~~~~~~~ 

4 

5 Lexer for Prometheus Query Language. 

6 

7 :copyright: Copyright 2006-2025 by the Pygments team, see AUTHORS. 

8 :license: BSD, see LICENSE for details. 

9""" 

10 

11from pygments.lexer import RegexLexer, bygroups, default, words 

12from pygments.token import Comment, Keyword, Name, Number, Operator, \ 

13 Punctuation, String, Whitespace 

14 

15__all__ = ["PromQLLexer"] 

16 

17 

18class PromQLLexer(RegexLexer): 

19 """ 

20 For PromQL queries. 

21 

22 For details about the grammar see: 

23 https://github.com/prometheus/prometheus/tree/master/promql/parser 

24 

25 .. versionadded: 2.7 

26 """ 

27 

28 name = "PromQL" 

29 url = 'https://prometheus.io/docs/prometheus/latest/querying/basics/' 

30 aliases = ["promql"] 

31 filenames = ["*.promql"] 

32 version_added = '' 

33 

34 base_keywords = ( 

35 words( 

36 ( 

37 "bool", 

38 "by", 

39 "group_left", 

40 "group_right", 

41 "ignoring", 

42 "offset", 

43 "on", 

44 "without", 

45 ), 

46 suffix=r"\b", 

47 ), 

48 Keyword, 

49 ) 

50 

51 aggregator_keywords = ( 

52 words( 

53 ( 

54 "sum", 

55 "min", 

56 "max", 

57 "avg", 

58 "group", 

59 "stddev", 

60 "stdvar", 

61 "count", 

62 "count_values", 

63 "bottomk", 

64 "topk", 

65 "quantile", 

66 ), 

67 suffix=r"\b", 

68 ), 

69 Keyword, 

70 ) 

71 

72 function_keywords = ( 

73 words( 

74 ( 

75 "abs", 

76 "absent", 

77 "absent_over_time", 

78 "avg_over_time", 

79 "ceil", 

80 "changes", 

81 "clamp_max", 

82 "clamp_min", 

83 "count_over_time", 

84 "day_of_month", 

85 "day_of_week", 

86 "days_in_month", 

87 "delta", 

88 "deriv", 

89 "exp", 

90 "floor", 

91 "histogram_quantile", 

92 "holt_winters", 

93 "hour", 

94 "idelta", 

95 "increase", 

96 "irate", 

97 "label_join", 

98 "label_replace", 

99 "ln", 

100 "log10", 

101 "log2", 

102 "max_over_time", 

103 "min_over_time", 

104 "minute", 

105 "month", 

106 "predict_linear", 

107 "quantile_over_time", 

108 "rate", 

109 "resets", 

110 "round", 

111 "scalar", 

112 "sort", 

113 "sort_desc", 

114 "sqrt", 

115 "stddev_over_time", 

116 "stdvar_over_time", 

117 "sum_over_time", 

118 "time", 

119 "timestamp", 

120 "vector", 

121 "year", 

122 ), 

123 suffix=r"\b", 

124 ), 

125 Keyword.Reserved, 

126 ) 

127 

128 tokens = { 

129 "root": [ 

130 (r"\n", Whitespace), 

131 (r"\s+", Whitespace), 

132 (r",", Punctuation), 

133 # Keywords 

134 base_keywords, 

135 aggregator_keywords, 

136 function_keywords, 

137 # Offsets 

138 (r"[1-9][0-9]*[smhdwy]", String), 

139 # Numbers 

140 (r"-?[0-9]+\.[0-9]+", Number.Float), 

141 (r"-?[0-9]+", Number.Integer), 

142 # Comments 

143 (r"#.*?$", Comment.Single), 

144 # Operators 

145 (r"(\+|\-|\*|\/|\%|\^)", Operator), 

146 (r"==|!=|>=|<=|<|>", Operator), 

147 (r"and|or|unless", Operator.Word), 

148 # Metrics 

149 (r"[_a-zA-Z][a-zA-Z0-9_]+", Name.Variable), 

150 # Params 

151 (r'(["\'])(.*?)(["\'])', bygroups(Punctuation, String, Punctuation)), 

152 # Other states 

153 (r"\(", Operator, "function"), 

154 (r"\)", Operator), 

155 (r"\{", Punctuation, "labels"), 

156 (r"\[", Punctuation, "range"), 

157 ], 

158 "labels": [ 

159 (r"\}", Punctuation, "#pop"), 

160 (r"\n", Whitespace), 

161 (r"\s+", Whitespace), 

162 (r",", Punctuation), 

163 (r'([_a-zA-Z][a-zA-Z0-9_]*?)(\s*?)(=~|!=|=|!~)(\s*?)("|\')(.*?)("|\')', 

164 bygroups(Name.Label, Whitespace, Operator, Whitespace, 

165 Punctuation, String, Punctuation)), 

166 ], 

167 "range": [ 

168 (r"\]", Punctuation, "#pop"), 

169 (r"[1-9][0-9]*[smhdwy]", String), 

170 ], 

171 "function": [ 

172 (r"\)", Operator, "#pop"), 

173 (r"\(", Operator, "#push"), 

174 default("#pop"), 

175 ], 

176 }