def _lookup_cache_or_invoke_API(self, cache, API_full_url, timeout):
cached = cache.get(API_full_url)
if cached:
return cached
else:
try:
try:
from urllib.request import urlopen
except ImportError:
from urllib2 import urlopen
response = urlopen(API_full_url, None, timeout)
except HTTPError as e:
if '401' in str(e):
raise unauthorized_error.UnauthorizedError('Invalid API key')
if '404' in str(e):
raise not_found_error.NotFoundError('The resource was not found')
if '502' in str(e):
raise api_call_error.BadGatewayError(str(e), e)
raise api_call_error.APICallError(str(e), e)
except URLError as e:
raise api_call_error.APICallError(str(e), e)
else:
data = response.read().decode('utf-8')
cache.set(API_full_url, data)
return data
def check_status_code(cls, status_code, payload):
if status_code < 400:
return
if status_code == 400:
raise api_call_error.APICallError(payload)
elif status_code == 401:
raise api_response_error.UnauthorizedError('Invalid API Key provided')
elif status_code == 404:
raise api_response_error.NotFoundError('Unable to find the resource')
elif status_code == 502:
raise api_call_error.BadGatewayError('Unable to contact the upstream server')
else:
raise api_call_error.APICallError(payload)