+from __future__ import print_function
+
+import json
+import pkg_resources
+
+
+class ChartJS(object):
+ JSLIB = 'https://cdnjs.cloudflare.com/ajax/libs/canvasjs/1.7.0/canvasjs.js'
+
+ def __init__(self, label, tasks):
+ self.label = label
+ self.tasks = tasks
+
+ def html(self):
+ return '''<!doctype html><html><head>
+ <title>{} stats</title>
+ <script type="text/javascript" src="{}"></script>
+ <script type="text/javascript">{}</script>
+ </head><body></body></html>
+ '''.format(self.label, self.JSLIB, self.js())
+
+ def js(self):
+ return 'var chartData = {};\n{}'.format(
+ json.dumps(self.chartData()),
+ pkg_resources.resource_string('crunchstat_summary', 'chartjs.js'))
+
+ def chartData(self):
+ maxpts = 0
+ for task in self.tasks.itervalues():
+ for series in task.series.itervalues():
+ maxpts = max(maxpts, len(series))
+ return [
+ {
+ 'title': {
+ 'text': '{}: {} {}'.format(self.label, stat[0], stat[1]),
+ },
+ 'data': [
+ {
+ 'type': 'line',
+ 'dataPoints': [
+ {'x': pt[0].total_seconds(), 'y': pt[1]}
+ for pt in task.series[stat]]
+ }
+ for label, task in self.tasks.iteritems()
+ ],
+ }
+ for stat in (('cpu', 'user+sys__rate'),
+ ('net:eth0', 'tx+rx__rate'),
+ ('mem', 'rss'))
+ ]