# US Energy Information Administration API Query Browser, Open Data Source
class EIA_Client():
api_key=None
def __init__(self, api_key=creds.eai_key, data='category', *args, **kwargs):
super().__init__(*args, **kwargs)
if api_key == None:
raise Exception('Api key is required')
self.api_key = api_key
self. eia_url = f"http://api.eia.gov/{data}/"
def category(self, cat = 1293027):
params = {'api_key': self.api_key, 'category_id':cat}
params_url = urlencode(params)
url = f"{self.eia_url}?{params_url}"
response = requests.get(url).json()
return response- PostgreSQL Data Import
SET search_path = countries
--Select two countries data by years (self join)
SELECT p1.year, SUM(p1.oil_production) as USA,
SUM(p2.oil_production) as RUSSIA
FROM production as p1
INNER JOIN production as p2 ON p1.year=p2.year
WHERE p1.country = 'United States of America' AND p2.country = 'Russia'
GROUP BY p1.year
ORDER BY p1.year DESC
