viewsHeatMap.py

from datetime import datetime
import random
import time


def create_random_datetime(from_date, to_date, rand_type='uniform'):
    """
    Create random date within timeframe.

    Parameters
    ----------
    from_date : datetime object
    to_date : datetime object
    rand_type : {'uniform'}

    Examples
    --------
    >>> random.seed(28041990)
    >>> create_random_datetime(datetime(1990, 4, 28), datetime(2000, 12, 31))
    datetime.datetime(1998, 12, 13, 23, 38, 0, 121628)
    >>> create_random_datetime(datetime(1990, 4, 28), datetime(2000, 12, 31))
    datetime.datetime(2000, 3, 19, 19, 24, 31, 193940)
    """
    delta = to_date - from_date
    if rand_type == 'uniform':
        rand = random.random()
    else:
        raise NotImplementedError('Unknown random mode \'{}\''
                                  .format(rand_type))
    return from_date + rand * delta


d = [create_random_datetime(datetime(2018, 7, 1), datetime(2018, 8, 31)) for i in range(200)]



e = [i.date() for i in d]

data = [int(time.mktime(i.timetuple()) )for i in e]

data = sorted(data)

import collections
counter=collections.Counter(data)
counter = dict(counter)
print(counter)

datas = []
for key, value in enumerate(counter):
    datas.append({"date":value , "value":key})

import json
datas = json.dumps(counter)
print(datas)
# {date: 946702811, value: 15}

class HeatmapView(TemplateView):

    def get_context_data(self, **kwargs):
        context = super(
                    HeatmapView, self
                ).get_context_data(**kwargs)
        context['data'] = datas
        return context
    template_name = 'portail/heatmap.html'