misc.py 1.9 KB

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  1. # -*- coding: utf-8 -*-
  2. # !/usr/bin/env python
  3. import json
  4. import requests
  5. class BankAPI(object):
  6. def _get(self, **kwargs):
  7. return self._request(
  8. method = 'get',
  9. **kwargs
  10. )
  11. def _decode_result(self, res):
  12. try:
  13. result = json.loads(res.content.decode('utf-8', 'ignore'), strict = False)
  14. except (TypeError, ValueError):
  15. return res
  16. return result
  17. def _handle_result(self, res):
  18. if not isinstance(res, dict):
  19. result = self._decode_result(res)
  20. else:
  21. result = res
  22. return result
  23. def _request(self, method, url, **kwargs):
  24. headers = {'Content-Type': 'application/json;charset=utf-8'}
  25. if isinstance(kwargs.get('data', ''), dict):
  26. body = json.dumps(kwargs['data'], ensure_ascii = False)
  27. body = body.encode('utf-8')
  28. kwargs['data'] = body
  29. kwargs['timeout'] = kwargs.get('timeout', 5)
  30. with requests.sessions.Session() as session:
  31. res = session.request(
  32. url = url,
  33. method = method,
  34. headers = headers,
  35. **kwargs
  36. )
  37. res.raise_for_status()
  38. return self._handle_result(res)
  39. def get_bank_card_info(self, card_no):
  40. url = 'https://ccdcapi.alipay.com/validateAndCacheCardInfo.json?_input_charset=utf-8&cardNo={}&cardBinCheck=true'.format(
  41. card_no)
  42. result = self._request('get', url, timeout = 5)
  43. # logger.debug(str(result))
  44. if result['stat'] != 'ok' or result['key'] != card_no:
  45. return None
  46. if result['validated']:
  47. return {
  48. 'bankAbbrevCode': result['bank'],
  49. 'cardType': result['cardType']
  50. }
  51. else:
  52. return None