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"Highstock Demos\n",
"================\n",
"Flags marking events: http://www.highcharts.com/stock/demo/flags-general\n",
"--------------------------------------------------------------------\n",
"\n",
"This example generates the same chart as flags-general.py\n",
"But instead of copying from the website, the dataset is queried direcly using jsonp_loader\n",
"The json doc from the url is not in the correct format (lack of quotes), so the sub_d and sub_by parameters\n",
"are used to fix the problem."
]
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""
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"source": [
"import datetime\n",
"from highcharts import Highstock\n",
"from highcharts.highstock.highstock_helper import jsonp_loader\n",
"H = Highstock()\n",
"\n",
"data_url = 'http://www.highcharts.com/samples/data/jsonp.php?filename=usdeur.json&callback=?'\n",
"data = jsonp_loader(data_url, \n",
" sub_d = r'(Date\\.UTC\\(([0-9]+,[0-9]+,[0-9]+)(,[0-9]+,[0-9]+,[0-9]+)?(,[0-9]+)?\\))', \n",
" sub_by = r'\"\\1\"') # data from url is not in right json format\n",
"\n",
"data2 = [{\n",
" 'x' : datetime.datetime(2015, 6, 8),\n",
" 'title' : 'C',\n",
" 'text' : 'Stocks fall on Greece, rate concerns; US dollar dips'\n",
" }, {\n",
" 'x' : datetime.datetime(2015, 6, 12),\n",
" 'title' : 'D',\n",
" 'text' : 'Zimbabwe ditches \\'worthless\\' currency for the US dollar '\n",
" }, {\n",
" 'x' : datetime.datetime(2015, 6, 19),\n",
" 'title' : 'E',\n",
" 'text' : 'US Dollar Declines Over the Week on Rate Timeline'\n",
" }, {\n",
" 'x' : datetime.datetime(2015, 6, 26),\n",
" 'title' : 'F',\n",
" 'text' : 'Greek Negotiations Take Sharp Turn for Worse, US Dollar set to Rally '\n",
" }, {\n",
" 'x' : datetime.datetime(2015, 6, 29),\n",
" 'title' : 'G',\n",
" 'text' : 'Euro records stunning reversal against dollar'\n",
" }, {\n",
" 'x' : datetime.datetime(2015, 6, 30),\n",
" 'title' : 'H',\n",
" 'text' : 'Surging US dollar curbs global IT spend'\n",
" }]\n",
"\n",
"H.add_data_set(data, 'line', 'USD to EUR', id = 'dataseries')\n",
"H.add_data_set(data2, 'flags', onSeries = 'dataseries',\n",
" shape = 'circlepin',\n",
" width = 16)\n",
"\n",
"options = {\n",
" 'rangeSelector' : {\n",
" 'selected' : 0\n",
" },\n",
"\n",
" 'title' : {\n",
" 'text' : 'USD to EUR exchange rate'\n",
" },\n",
" 'tooltip': {\n",
" 'style': {\n",
" 'width': '200px'\n",
" },\n",
" 'valueDecimals': 4,\n",
" 'shared' : True\n",
" },\n",
"\n",
" 'yAxis' : {\n",
" 'title' : {\n",
" 'text' : 'Exchange rate'\n",
" }\n",
" },\n",
"\n",
"}\n",
"\n",
"H.set_dict_options(options)\n",
"\n",
"H"
]
}
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