Coverage for /pythoncovmergedfiles/medio/medio/usr/local/lib/python3.11/site-packages/xlsxwriter/chart_line.py: 15%

1############################################################################### 

2# 

3# ChartLine - A class for writing the Excel XLSX Line charts. 

4# 

5# SPDX-License-Identifier: BSD-2-Clause 

6# 

7# Copyright (c) 2013-2025, John McNamara, jmcnamara@cpan.org 

8# 

9 

10from . import chart 

11 

12 

13class ChartLine(chart.Chart): 

14 """ 

15 A class for writing the Excel XLSX Line charts. 

16 

17 

18 """ 

19 

20 ########################################################################### 

21 # 

22 # Public API. 

23 # 

24 ########################################################################### 

25 

26 def __init__(self, options=None): 

27 """ 

28 Constructor. 

29 

30 """ 

31 super().__init__() 

32 

33 if options is None: 

34 options = {} 

35 

36 self.subtype = options.get("subtype") 

37 

38 if not self.subtype: 

39 self.subtype = "standard" 

40 

41 self.default_marker = {"type": "none"} 

42 self.smooth_allowed = True 

43 

44 # Override and reset the default axis values. 

45 if self.subtype == "percent_stacked": 

46 self.y_axis["defaults"]["num_format"] = "0%" 

47 

48 # Set the available data label positions for this chart type. 

49 self.label_position_default = "right" 

50 self.label_positions = { 

51 "center": "ctr", 

52 "right": "r", 

53 "left": "l", 

54 "above": "t", 

55 "below": "b", 

56 # For backward compatibility. 

57 "top": "t", 

58 "bottom": "b", 

59 } 

60 

61 self.set_y_axis({}) 

62 

63 ########################################################################### 

64 # 

65 # Private API. 

66 # 

67 ########################################################################### 

68 

69 def _write_chart_type(self, args): 

70 # Override the virtual superclass method with a chart specific method. 

71 # Write the c:lineChart element. 

72 self._write_line_chart(args) 

73 

74 ########################################################################### 

75 # 

76 # XML methods. 

77 # 

78 ########################################################################### 

79 

80 def _write_line_chart(self, args): 

81 # Write the <c:lineChart> element. 

82 

83 if args["primary_axes"]: 

84 series = self._get_primary_axes_series() 

85 else: 

86 series = self._get_secondary_axes_series() 

87 

88 if not series: 

89 return 

90 

91 subtype = self.subtype 

92 

93 if subtype == "percent_stacked": 

94 subtype = "percentStacked" 

95 

96 self._xml_start_tag("c:lineChart") 

97 

98 # Write the c:grouping element. 

99 self._write_grouping(subtype) 

100 

101 # Write the series elements. 

102 for data in series: 

103 self._write_ser(data) 

104 

105 # Write the c:dropLines element. 

106 self._write_drop_lines() 

107 

108 # Write the c:hiLowLines element. 

109 self._write_hi_low_lines() 

110 

111 # Write the c:upDownBars element. 

112 self._write_up_down_bars() 

113 

114 # Write the c:marker element. 

115 self._write_marker_value() 

116 

117 # Write the c:axId elements 

118 self._write_axis_ids(args) 

119 

120 self._xml_end_tag("c:lineChart") 

121 

122 def _write_d_pt_point(self, index, point): 

123 # Write an individual <c:dPt> element. Override the parent method to 

124 # add markers. 

125 

126 self._xml_start_tag("c:dPt") 

127 

128 # Write the c:idx element. 

129 self._write_idx(index) 

130 

131 self._xml_start_tag("c:marker") 

132 

133 # Write the c:spPr element. 

134 self._write_sp_pr(point) 

135 

136 self._xml_end_tag("c:marker") 

137 

138 self._xml_end_tag("c:dPt") 

139 

140 def _write_marker_value(self): 

141 # Write the <c:marker> element without a sub-element. 

142 attributes = [("val", 1)] 

143 

144 self._xml_empty_tag("c:marker", attributes)