new: Auto retry on HTTP requests

pyvulnerabilitylookup/api.py

@@ -13,6 +13,9 @@
 
 import requests
 
+from urllib3.util import Retry
+from requests.adapters import HTTPAdapter
+
 
 def enable_full_debug() -> None:
     import http.client as http_client
@@ -47,7 +50,8 @@ def __init__(self, root_url: str='https://vulnerability.circl.lu', useragent: st
         self.session.headers['Content-Type'] = 'application/json'
         if proxies:
             self.session.proxies.update(proxies)
-        self.session.request = functools.partial(self.session.request, timeout=10)
+        retries = Retry(total=5, backoff_factor=1, status_forcelist=[500, 502, 503, 504])
+        self.session.mount('https://', HTTPAdapter(max_retries=retries))
 
     def set_apikey(self, apikey: str) -> None:
         '''Set the API key to use for the requests'''