old_contents: from django.template.defaultfilters import register
  from django.utils.safestring import mark_safe
  #from django.conf import settings
  #from django.utils.translation import ugettext_lazy as _
  #import datetime
  from nvd3 import lineWithFocusChart, lineChart, \
      multiBarChart, pieChart, stackedAreaChart, \
      multiBarHorizontalChart, linePlusBarChart, \
      cumulativeLineChart, discreteBarChart, scatterChart
  from nvd3.NVD3Chart import NVD3Chart
  
  
  @register.simple_tag(name='load_chart')
  def load_chart(chart_type, series, container, height=400, width=400, y_is_date=False, kwargs=None):
      """Loads the Chart objects in the container.
  
  
      **Arguments**:
  
      - **render_to** - id where the chart needs to be rendered to.
      """
      if chart_type == 'pieChart':
          chart = eval(chart_type)(name=container, height=height, width=width)
          xdata = series['x']
          ydata = series['y']
  
          chart.add_serie(y=ydata, x=xdata)
  
      else:
          chart = eval(chart_type)(name=container, date=y_is_date, height=height, width=width)
          xdata = series['x']
          y_axis_list = [d for d in series.keys() if 'y' in d]
          for key in y_axis_list:
              ydata = series[key]
              if chart_type == 'linePlusBarChart' and kwargs and key == 'y1':
                  chart.add_serie(y=ydata, x=xdata, **kwargs)
              else:
                  chart.add_serie(y=ydata, x=xdata)
  
      chart.buildhtml()
  
      html_string = chart.jschart + '\n'
      return mark_safe(html_string)
  
  
  @register.simple_tag(name='include_nvd3jscss')
  def include_nvd3jscss():
      """
      Include the javascript and css for nvd3
      This include :
          * d3.v2.js
          * nv.d3.js
          * nv.d3.css
      """
      chart = NVD3Chart()
      chart.buildhtmlheader()
      return mark_safe(chart.htmlheader + '\n')
  
  
  @register.simple_tag(name='include_container')
  def include_container(include_container, height=400, width=600):
      """
      Include the html for the chart container and css for nvd3
      This will include something similar as :
          <div id="containername"><svg style="height:400px;width:600px;"></svg></div>
      """
      chart = NVD3Chart()
      chart.buildhtmlheader()
      return mark_safe(chart.htmlheader + '\n')
  
  
  # Template usage
  # {% get_current_time "%Y-%m-%d %I:%M %p" as the_time %}
  # <p>The time is {{ the_time }}.</p>
  # @register.assignment_tag(name='get_current_time')
  # def get_current_time(format_string):
  #     return datetime.datetime.now().strftime(format_string)
  
new_contents: from django.template.defaultfilters import register
  from django.utils.safestring import mark_safe
  #from django.conf import settings
  #from django.utils.translation import ugettext_lazy as _
  #import datetime
  from nvd3 import lineWithFocusChart, lineChart, \
      multiBarChart, pieChart, stackedAreaChart, \
      multiBarHorizontalChart, linePlusBarChart, \
      cumulativeLineChart, discreteBarChart, scatterChart
  from nvd3.NVD3Chart import NVD3Chart
  
  
  @register.simple_tag(name='load_chart')
  def load_chart(chart_type, series, container, height=400, width=400, y_is_date=False, kwargs=None):
      """Loads the Chart objects in the container.
  
  
      **Arguments**:
  
      - **render_to** - id where the chart needs to be rendered to.
      """
      chart = eval(chart_type)(name=container, date=y_is_date, height=height, width=width)
      xdata = series['x']
      y_axis_list = [d for d in series.keys() if 'y' in d]
      for key in y_axis_list:
          ydata = series[key]
          if chart_type == 'linePlusBarChart' and kwargs and key == 'y1':
              chart.add_serie(y=ydata, x=xdata, **kwargs)
          else:
              chart.add_serie(y=ydata, x=xdata)
  
      chart.buildhtml()
  
      html_string = chart.jschart + '\n'
      return mark_safe(html_string)
  
  
  @register.simple_tag(name='include_nvd3jscss')
  def include_nvd3jscss():
      """
      Include the javascript and css for nvd3
      This include :
          * d3.v2.js
          * nv.d3.js
          * nv.d3.css
      """
      chart = NVD3Chart()
      chart.buildhtmlheader()
      return mark_safe(chart.htmlheader + '\n')
  
  
  @register.simple_tag(name='include_container')
  def include_container(include_container, height=400, width=600):
      """
      Include the html for the chart container and css for nvd3
      This will include something similar as :
          <div id="containername"><svg style="height:400px;width:600px;"></svg></div>
      """
      chart = NVD3Chart()
      chart.buildhtmlheader()
      return mark_safe(chart.htmlheader + '\n')
  
  
  # Template usage
  # {% get_current_time "%Y-%m-%d %I:%M %p" as the_time %}
  # <p>The time is {{ the_time }}.</p>
  # @register.assignment_tag(name='get_current_time')
  # def get_current_time(format_string):
  #     return datetime.datetime.now().strftime(format_string)
  
subject: update nvd3_tags