Add the json parameter for post requests: (#10)

* Add the json parameter for post requests:
The purpose here is to be iso "requests" in order
to accept empty json body.

Some "black" formatting too.

* change flake8 max line length (100 -> 120)

Author: kirby81

flake8

@@ -1,2 +1,2 @@
 [flake8]
-max-line-length = 100
+max-line-length = 120

scrapingbee/__version__.py

@@ -1 +1 @@
-__version__ = '1.1.7'
+__version__ = '1.1.8'

scrapingbee/client.py

@@ -5,43 +5,58 @@
 
 
 class ScrapingBeeClient:
-    api_url = 'https://app.scrapingbee.com/api/v1/'
+    api_url = "https://app.scrapingbee.com/api/v1/"
 
     def __init__(self, api_key: str):
         self.api_key = api_key
 
-    def request(self, method: str, url: str, params: dict = None, data: dict = None,
-                headers: dict = None, cookies: dict = None, **kwargs
-                ) -> Response:
+    def request(
+        self,
+        method: str,
+        url: str,
+        params: dict = None,
+        data: dict = None,
+        json: dict = None,
+        headers: dict = None,
+        cookies: dict = None,
+        **kwargs
+    ) -> Response:
         if not params:
             params = {}
 
         # Process headers and set forward_headers
         if headers:
             headers = process_headers(headers)
-            params['forward_headers'] = True
+            params["forward_headers"] = True
         else:
             headers = {}
         headers.update(default_headers)
 
         # Add cookies to params
         if cookies:
             # ScrapingBee reads cookies from url parameters
-            params['cookies'] = cookies
+            params["cookies"] = cookies
 
         # Get ScrapingBee API URL
-        spb_url = get_scrapingbee_url(
-            self.api_url, self.api_key, url, params)
+        spb_url = get_scrapingbee_url(self.api_url, self.api_key, url, params)
 
+        if not data and json is not None:
+            return request(method, spb_url, json=json, headers=headers, **kwargs)
         return request(method, spb_url, data=data, headers=headers, **kwargs)
 
-    def get(self, url: str, params: dict = None, headers: dict = None, cookies: dict = None,
-            **kwargs
-            ) -> Response:
-        return self.request('GET', url, params=params, headers=headers, cookies=cookies, **kwargs)
-
-    def post(self, url: str, params: dict = None, data: dict = None, headers: dict = None,
-             cookies: dict = None, **kwargs
-             ) -> Response:
-        return self.request('POST', url, params=params, data=data, headers=headers,
-                            cookies=cookies, **kwargs)
+    def get(self, url: str, params: dict = None, headers: dict = None, cookies: dict = None, **kwargs) -> Response:
+        return self.request("GET", url, params=params, headers=headers, cookies=cookies, **kwargs)
+
+    def post(
+        self,
+        url: str,
+        params: dict = None,
+        data: dict = None,
+        json: dict = None,
+        headers: dict = None,
+        cookies: dict = None,
+        **kwargs
+    ) -> Response:
+        return self.request(
+            "POST", url, params=params, data=data, json=json, headers=headers, cookies=cookies, **kwargs
+        )