Coverage for /pythoncovmergedfiles/medio/medio/usr/local/lib/python3.8/site-packages/pygments/lexers/promql.py: 100%

1""" 

2 pygments.lexers.promql 

3 ~~~~~~~~~~~~~~~~~~~~~~ 

4 

5 Lexer for Prometheus Query Language. 

6 

7 :copyright: Copyright 2006-2023 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 

33 base_keywords = ( 

34 words( 

35 ( 

36 "bool", 

37 "by", 

38 "group_left", 

39 "group_right", 

40 "ignoring", 

41 "offset", 

42 "on", 

43 "without", 

44 ), 

45 suffix=r"\b", 

46 ), 

47 Keyword, 

48 ) 

49 

50 aggregator_keywords = ( 

51 words( 

52 ( 

53 "sum", 

54 "min", 

55 "max", 

56 "avg", 

57 "group", 

58 "stddev", 

59 "stdvar", 

60 "count", 

61 "count_values", 

62 "bottomk", 

63 "topk", 

64 "quantile", 

65 ), 

66 suffix=r"\b", 

67 ), 

68 Keyword, 

69 ) 

70 

71 function_keywords = ( 

72 words( 

73 ( 

74 "abs", 

75 "absent", 

76 "absent_over_time", 

77 "avg_over_time", 

78 "ceil", 

79 "changes", 

80 "clamp_max", 

81 "clamp_min", 

82 "count_over_time", 

83 "day_of_month", 

84 "day_of_week", 

85 "days_in_month", 

86 "delta", 

87 "deriv", 

88 "exp", 

89 "floor", 

90 "histogram_quantile", 

91 "holt_winters", 

92 "hour", 

93 "idelta", 

94 "increase", 

95 "irate", 

96 "label_join", 

97 "label_replace", 

98 "ln", 

99 "log10", 

100 "log2", 

101 "max_over_time", 

102 "min_over_time", 

103 "minute", 

104 "month", 

105 "predict_linear", 

106 "quantile_over_time", 

107 "rate", 

108 "resets", 

109 "round", 

110 "scalar", 

111 "sort", 

112 "sort_desc", 

113 "sqrt", 

114 "stddev_over_time", 

115 "stdvar_over_time", 

116 "sum_over_time", 

117 "time", 

118 "timestamp", 

119 "vector", 

120 "year", 

121 ), 

122 suffix=r"\b", 

123 ), 

124 Keyword.Reserved, 

125 ) 

126 

127 tokens = { 

128 "root": [ 

129 (r"\n", Whitespace), 

130 (r"\s+", Whitespace), 

131 (r",", Punctuation), 

132 # Keywords 

133 base_keywords, 

134 aggregator_keywords, 

135 function_keywords, 

136 # Offsets 

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

138 # Numbers 

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

140 (r"-?[0-9]+", Number.Integer), 

141 # Comments 

142 (r"#.*?$", Comment.Single), 

143 # Operators 

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

145 (r"==|!=|>=|<=|<|>", Operator), 

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

147 # Metrics 

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

149 # Params 

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

151 # Other states 

152 (r"\(", Operator, "function"), 

153 (r"\)", Operator), 

154 (r"\{", Punctuation, "labels"), 

155 (r"\[", Punctuation, "range"), 

156 ], 

157 "labels": [ 

158 (r"\}", Punctuation, "#pop"), 

159 (r"\n", Whitespace), 

160 (r"\s+", Whitespace), 

161 (r",", Punctuation), 

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

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

164 Punctuation, String, Punctuation)), 

165 ], 

166 "range": [ 

167 (r"\]", Punctuation, "#pop"), 

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

169 ], 

170 "function": [ 

171 (r"\)", Operator, "#pop"), 

172 (r"\(", Operator, "#push"), 

173 default("#pop"), 

174 ], 

175 }