✨ add kline chart

Author: chfw

docs/source/charts.rst

@@ -17,6 +17,24 @@ Here is the source code using pyexcel
          title=title, width=800, height=600, embed=True, legend_top='bottom')
 
 
+Kline chart
+********************************************************************************
+
+.. pyexcel-table:: data/kline.csv
+   :width: 400
+   :height: 350
+
+Here is the source code using pyexcel
+
+.. pyexcel-code::
+
+    title = 'Daily K Line'
+    sheet = pyexcel.get_sheet(file_name='data/kline.csv')
+    chart = sheet.plot(chart_type='kline', file_type='echarts.html',
+         title=title, legend='daily k',
+		 width=800, height=400, embed=True, legend_top='bottom')
+
+
 Radar chart
 ********************************************************************************
 

docs/source/data/kline.csv

@@ -0,0 +1,32 @@
+,open,close,highest,lowest
+2017/7/1,2320.26,2320.26,2287.3,2362.94
+2017/7/2,2300,2291.3,2288.26,2308.38
+2017/7/3,2295.35,2346.5,2295.35,2345.92
+2017/7/4,2347.22,2358.98,2337.35,2363.8
+2017/7/5,2360.75,2382.48,2347.89,2383.76
+2017/7/6,2383.43,2385.42,2371.23,2391.82
+2017/7/7,2377.41,2419.02,2369.57,2421.15
+2017/7/8,2425.92,2428.15,2417.58,2440.38
+2017/7/9,2411,2433.13,2403.3,2437.42
+2017/7/10,2432.68,2334.48,2427.7,2441.73
+2017/7/11,2430.69,2418.53,2394.22,2433.89
+2017/7/12,2416.62,2432.4,2414.4,2443.03
+2017/7/13,2441.91,2421.56,2418.43,2444.8
+2017/7/14,2420.26,2382.91,2373.53,2427.07
+2017/7/15,2383.49,2397.18,2370.61,2397.94
+2017/7/16,2378.82,2325.95,2309.17,2378.82
+2017/7/17,2322.94,2314.16,2308.76,2330.88
+2017/7/18,2320.62,2325.82,2315.01,2338.78
+2017/7/19,2313.74,2293.34,2289.89,2340.71
+2017/7/20,2297.77,2313.22,2292.03,2324.63
+2017/7/21,2322.32,2365.59,2308.92,2366.16
+2017/7/22,2364.54,2359.51,2330.86,2369.65
+2017/7/23,2332.08,2273.4,2259.25,2333.54
+2017/7/24,2274.81,2326.31,2270.1,2328.14
+2017/7/25,2333.61,2347.18,2321.6,2351.44
+2017/7/26,2340.44,2324.29,2304.27,2352.02
+2017/7/27,2326.42,2318.61,2314.59,2333.67
+2017/7/28,2314.68,2310.59,2296.58,2320.96
+2017/7/29,2309.16,2286.6,2264.83,2333.29
+2017/7/30,2282.17,2263.97,2253.25,2286.33
+2017/7/31,2255.77,2270.28,2253.31,2276.22

pyexcel_echarts/options.py

@@ -21,7 +21,8 @@
     xy='XY',
     histogram='Histogram',
     scatter3d='Scatter3D',
-    bar3d='Bar3D'
+    bar3d='Bar3D',
+    kline='Kline'
 )
 
 
@@ -69,7 +70,22 @@ def render_sheet(self, sheet,
                      label_y_in_row=0,
                      value_x_in_row=1,
                      **keywords):
-        self.instance.add("", sheet.row[0], sheet.row[1], **keywords)
+        self.instance.add("", sheet.row[label_y_in_row],
+                          sheet.row[value_x_in_row], **keywords)
+
+
+@PluginInfo('chart', tags=['kline'])
+class KlineLayout(Chart):
+
+    def render_sheet(self, sheet,
+                     label_x_in_column=0, label_y_in_row=0, legend="",
+                     **keywords):
+        if len(sheet.colnames) == 0:
+            sheet.name_columns_by_row(label_y_in_row)
+        if len(sheet.rownames) == 0:
+            sheet.name_rows_by_column(label_x_in_column)
+        self.instance.add(legend, sheet.rownames,
+                          list(sheet.rows()), **keywords)
 
 
 @PluginInfo('chart', tags=['scatter3d'])

tests/test_echarts.py

@@ -11,6 +11,11 @@ def test_pie_chart():
     s.save_as('pie.echarts.html', chart_type='pie')
 
 
+def test_kline_chart():
+    s = p.get_sheet(file_name=get_fixtures('kline.csv'))
+    s.save_as('kline.echarts.html', chart_type='kline', legend='daily k')
+
+
 def test_radar_chart():
     s = p.get_sheet(file_name=get_fixtures('radar.csv'))
     s.save_as('radar.echarts.html', chart_type='radar')