feat(async): add asynchronous CoinGeckoAPI implementation

README.md

@@ -594,7 +594,7 @@ cg.get_indexes_list()
 #### Installation
 Install required packages for testing using:
 ```bash
-pip install pytest responses
+pip install pytest-asyncio aioresponses responses
 ```
 
 #### Usage

pycoingecko/__init__.py

@@ -1,2 +1,3 @@
 from .api import CoinGeckoAPI
+from .api_async import AsyncCoinGeckoAPI
 from .version import __version__

pycoingecko/api.py

@@ -1,6 +1,5 @@
-import json
+import orjson
 import requests
-
 from requests.adapters import HTTPAdapter
 from requests.packages.urllib3.util.retry import Retry
 
@@ -48,15 +47,15 @@ def __request(self, url, params):
         try:
             response.raise_for_status()
             # self._headers = response.headers
-            content = json.loads(response.content.decode('utf-8'))
+            content = orjson.loads(response.content.decode('utf-8'))
             return content
         except Exception as e:
             # check if json (with error message) is returned
             try:
-                content = json.loads(response.content.decode('utf-8'))
+                content = orjson.loads(response.content.decode('utf-8'))
                 raise ValueError(content)
             # if no json
-            except json.decoder.JSONDecodeError:
+            except orjson.JSONDecodeError:
                 pass
 
             raise