other_scripts.py

# update the leave_duration function like this to return holidays and number_of_leave_days

def leave_duration(date_from, date_to):
  with open('outfile', 'rb') as fp:
    holidays = pickle.load(fp)
  return number_of_holidays(holidays, date_from,  date_to), holidays

template.html

<-- All the other stuff !-->
{% block content %}
  {% for holiday in holidays %}
    {{holiday.name}}
    // All the other properties here, styling etc
  {% empty %}
    <p> No holidays </p>
  {% endfor %}
{% endblock %}
<-- All the other stuff !-->
// The part you are using obj is going to reference the model you've specified in the HolidayView class. You might want not
// to do that if you're not interested in the model

views.py

class HolidayView(TemplateView):
  template_name = "weka jina"
  model = Holiday # Essentially, have the model here
  
  def get_context(self, **kwargs):
    context = super(HolidayView, self).get_context(**kwargs)
    
    # get the date_from and date_to from the request. depends with how you get the values. Bora zikuwe. If from request do this
    date_from = self.request.GET.get('date_from', None) # self.request.GET is the method loading this view. GET/POST
    date_to = self.request.GET.get('date_to', None)
    
    # get all the holidays and number of days
    number_of_leave_days, holidays = leave_duration(date_from, date_to)
    
    # inject holidays and number_of_leave_days into context
    context['number_of_leave_days'] = number_of_leave_days
    context['holidays'] = holidays
    
    # TODO: any other things you want in context add here
    return context