Update cloudinary to 1.20.0

lib/cloudinary/http_client.py

@@ -0,0 +1,43 @@
+import json
+import socket
+
+import certifi
+from urllib3 import PoolManager
+from urllib3.exceptions import HTTPError
+
+from cloudinary.exceptions import GeneralError
+
+
+class HttpClient:
+    DEFAULT_HTTP_TIMEOUT = 60
+
+    def __init__(self, **options):
+        # Lazy initialization of the client, to improve performance when HttpClient is initialized but not used
+        self._http_client_instance = None
+        self.timeout = options.get("timeout", self.DEFAULT_HTTP_TIMEOUT)
+
+    @property
+    def _http_client(self):
+        if self._http_client_instance is None:
+            self._http_client_instance = PoolManager(cert_reqs='CERT_REQUIRED', ca_certs=certifi.where())
+        return self._http_client_instance
+
+    def get_json(self, url):
+        try:
+            response = self._http_client.request("GET", url, timeout=self.timeout)
+            body = response.data
+        except HTTPError as e:
+            raise GeneralError("Unexpected error %s" % str(e))
+        except socket.error as e:
+            raise GeneralError("Socket Error: %s" % str(e))
+
+        if response.status != 200:
+            raise GeneralError("Server returned unexpected status code - {} - {}".format(response.status,
+                                                                                         response.data))
+        try:
+            result = json.loads(body.decode('utf-8'))
+        except Exception as e:
+            # Error is parsing json
+            raise GeneralError("Error parsing server response (%d) - %s. Got - %s" % (response.status, body, e))
+
+        return result