115 lines
3.0 KiB
Python
115 lines
3.0 KiB
Python
from dataclasses import dataclass
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import dotenv
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import json
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import nordigen
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import os
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import requests
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import time
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import uuid
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from .exceptions import CredentialsError, DownloadError
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dotenv.load_dotenv()
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@dataclass
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class NordigenCredentials:
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id: str
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key: str
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token: str = ""
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def valid(self) -> bool:
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return self.id and self.key
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class NordigenClient:
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redirect_url = "https://murta.dev"
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def __init__(self, credentials: NordigenCredentials):
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super().__init__()
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if not credentials.valid():
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raise CredentialsError
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self._client = nordigen.NordigenClient(
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secret_key=credentials.key, secret_id=credentials.id, timeout=5
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)
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if credentials.token:
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self._client.token = credentials.token
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def download(self, requisition_id):
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try:
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requisition = self._client.requisition.get_requisition_by_id(requisition_id)
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print(requisition)
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except requests.HTTPError as e:
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raise DownloadError(e)
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transactions = {}
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for acc in requisition["accounts"]:
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account = self._client.account_api(acc)
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retries = 0
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while retries < 3:
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try:
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downloaded = account.get_transactions()
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break
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except requests.ReadTimeout:
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retries += 1
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print(f"Request #{retries} timed-out, retrying in 1s")
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time.sleep(1)
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if not downloaded:
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print(f"Couldn't download transactions for {account}")
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continue
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transactions.update(downloaded)
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return transactions
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def dump(self, bank, downloaded):
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with open("json/" + bank.name + ".json", "w") as f:
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json.dump(downloaded, f)
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def generate_token(self):
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self.token = self._client.generate_token()
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print(f"New access token: {self.token}")
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return self.token
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def requisition(self, id: str, country: str = "PT"):
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requisition = self._client.initialize_session(
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redirect_uri=self.redirect_url,
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institution_id=id,
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reference_id=str(uuid.uuid4()),
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)
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return requisition.link, requisition.requisition_id
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def country_banks(self, country: str):
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return self._client.institution.get_institutions(country)
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# def __token(self):
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# if token := os.environ.get("TOKEN"):
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# return token
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# else:
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# token = self._client.generate_token()
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# print(f"New access token: {token}")
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# return token["access"]
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@property
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def token(self):
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return self._token
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@token.setter
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def token(self, value):
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if self._token:
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print("Replacing existing token with {value}")
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self._token = value
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class NordigenCredentialsManager:
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default = NordigenCredentials(
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os.environ.get("SECRET_ID"),
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os.environ.get("SECRET_KEY"),
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os.environ.get("TOKEN"),
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)
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