historical_case_analysis.py

import json
import pygal
from requests_oauthlib import OAuth1Session

desk = OAuth1Session('client',
                            client_secret='XXX',
                            resource_owner_key='XXX',
                            resource_owner_secret='XXX')
url = 'https://yourdomain.desk.com/api/v2/insights3/reports'
data = '{"fields": ["case_creates", "case_resolves"], "time": {"min": "2015-01-01T00:00:00-08:00", "max": "2017-01-15T00:00:00-08:00", "window_size": "month"}}'

r = desk.post(url, data=data)
x = r.json()
dx = x['data']

date = []
created_data = []
resolve_data = []

for item in dx:
	date.append(item[0])

for item in dx:
	created_data.append(item[3])

for item in dx:
	resolve_data.append(item[4])

line_chart = pygal.Line()
line_chart.title = 'Cases and Resolved over time'
line_chart.x_labels = map(str, date)
line_chart.add('Created', created_data)
line_chart.add('Resolved', resolve_data)
line_chart.render_in_browser()

print('Completed!')