Prepare "graph" function reuse.

apachedex/__init__.py

@@ -674,12 +674,15 @@ def main():
       out.write('<tr><td>%s</td><td>%s</td></tr>' % (date, hit))
     out.write('</table>')
     def graph(title, data, options={}):
-      out.write('<h2>%s</h2><div class="graph" '
+      result = []
+      append = result.append
+      append('<h2>%s</h2><div class="graph" '
         'style="width:600px;height:300px" data-points="' % title)
-      out.write(escape(json.dumps(data), quote=True))
-      out.write('" data-options="')
-      out.write(escape(json.dumps(options), quote=True))
-      out.write('"></div>')
+      append(escape(json.dumps(data), quote=True))
+      append('" data-options="')
+      append(escape(json.dumps(options), quote=True))
+      append('"></div>')
+      return ''.join(result)
     for site_id, data in per_site.iteritems():
       out.write('<h1>Site: %s</h1>' % site_id)
       daily_data = data.getApdexData()
@@ -703,7 +706,7 @@ def main():
       # Guesstimation: 6px per digit. If only em were allowed...
       yLabelWidth = max(int(math.log10(max(x[2] for x in daily_data))) + 1,
         3) * 6
-      graph('apdex',
+      out.write(graph('apdex',
         [zip(date_list, (x[1] for x in daily_data))],
         {
           'xaxis': {
@@ -718,8 +721,8 @@ def main():
           },
           'lines': {'show': True},
         },
-      )
-      graph('Hits (per %s)' % graph_period,
+      ))
+      out.write(graph('Hits (per %s)' % graph_period,
         [zip(date_list, (x[2] for x in daily_data))],
         {
           'xaxis': {
@@ -734,7 +737,7 @@ def main():
           },
           'lines': {'show': True},
         },
-      )
+      ))
       out.write(data.asHTML(decimator))
     end_stat_time = time.time()
     if args.stats: