pluto/handler/sinks/nordigen.py

66 lines
2.0 KiB
Python

# Twisted/Klein imports
from twisted.logger import Logger
# Other library imports
import requests
from json import dumps
from simplejson.errors import JSONDecodeError
# Project imports
from settings import settings
class Nordigen(object):
"""
Class to manage calls to Open Banking APIs through Nordigen.
"""
def __init__(self):
self.log = Logger("nordigen")
self.token = None
self.get_access_token()
def get_access_token(self):
"""
Get an access token.
:return: True or False
:rtype: bool
"""
headers = {"accept": "application/json", "Content-Type": "application/json"}
data = {
"secret_id": settings.Nordigen.ID,
"secret_key": settings.Nordigen.Key,
}
path = f"{settings.Nordigen.Base}/token/new/"
r = requests.post(path, headers=headers, data=dumps(data))
try:
parsed = r.json()
except JSONDecodeError:
self.log.error("Error parsing access token response: {content}", content=r.content)
return False
if "access" in parsed:
self.token = parsed["access"]
self.log.info("Refreshed access token - Nordigen")
def get_institutions(self, country, filter_name=None):
"""
Get a list of supported institutions.
"""
if not len(country) == 2:
return False
headers = {"accept": "application/json", "Authorization": f"Bearer {self.token}"}
path = f"{settings.Nordigen.Base}/institutions/?country={country}"
r = requests.get(path, headers=headers)
try:
parsed = r.json()
except JSONDecodeError:
self.log.error("Error parsing institutions response: {content}", content=r.content)
return False
new_list = []
if filter_name:
for i in parsed:
if filter_name in i["name"]:
new_list.append(i)
return new_list
return parsed