Coverage for /pythoncovmergedfiles/medio/medio/usr/local/lib/python3.8/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# Copyright 2013-2024, John McNamara, jmcnamara@cpan.org 

7# 

8 

9from . import chart 

10 

11 

12class ChartLine(chart.Chart): 

13 """ 

14 A class for writing the Excel XLSX Line charts. 

15 

16 

17 """ 

18 

19 ########################################################################### 

20 # 

21 # Public API. 

22 # 

23 ########################################################################### 

24 

25 def __init__(self, options=None): 

26 """ 

27 Constructor. 

28 

29 """ 

30 super(ChartLine, self).__init__() 

31 

32 if options is None: 

33 options = {} 

34 

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

36 

37 if not self.subtype: 

38 self.subtype = "standard" 

39 

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

41 self.smooth_allowed = True 

42 

43 # Override and reset the default axis values. 

44 if self.subtype == "percent_stacked": 

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

46 

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

48 self.label_position_default = "right" 

49 self.label_positions = { 

50 "center": "ctr", 

51 "right": "r", 

52 "left": "l", 

53 "above": "t", 

54 "below": "b", 

55 # For backward compatibility. 

56 "top": "t", 

57 "bottom": "b", 

58 } 

59 

60 self.set_y_axis({}) 

61 

62 ########################################################################### 

63 # 

64 # Private API. 

65 # 

66 ########################################################################### 

67 

68 def _write_chart_type(self, args): 

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

70 # Write the c:lineChart element. 

71 self._write_line_chart(args) 

72 

73 ########################################################################### 

74 # 

75 # XML methods. 

76 # 

77 ########################################################################### 

78 

79 def _write_line_chart(self, args): 

80 # Write the <c:lineChart> element. 

81 

82 if args["primary_axes"]: 

83 series = self._get_primary_axes_series() 

84 else: 

85 series = self._get_secondary_axes_series() 

86 

87 if not len(series): 

88 return 

89 

90 subtype = self.subtype 

91 

92 if subtype == "percent_stacked": 

93 subtype = "percentStacked" 

94 

95 self._xml_start_tag("c:lineChart") 

96 

97 # Write the c:grouping element. 

98 self._write_grouping(subtype) 

99 

100 # Write the series elements. 

101 for data in series: 

102 self._write_ser(data) 

103 

104 # Write the c:dropLines element. 

105 self._write_drop_lines() 

106 

107 # Write the c:hiLowLines element. 

108 self._write_hi_low_lines() 

109 

110 # Write the c:upDownBars element. 

111 self._write_up_down_bars() 

112 

113 # Write the c:marker element. 

114 self._write_marker_value() 

115 

116 # Write the c:axId elements 

117 self._write_axis_ids(args) 

118 

119 self._xml_end_tag("c:lineChart") 

120 

121 def _write_d_pt_point(self, index, point): 

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

123 # add markers. 

124 

125 self._xml_start_tag("c:dPt") 

126 

127 # Write the c:idx element. 

128 self._write_idx(index) 

129 

130 self._xml_start_tag("c:marker") 

131 

132 # Write the c:spPr element. 

133 self._write_sp_pr(point) 

134 

135 self._xml_end_tag("c:marker") 

136 

137 self._xml_end_tag("c:dPt") 

138 

139 def _write_marker_value(self): 

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

141 attributes = [("val", 1)] 

142 

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