Test: Add python based json-rpc client able to call any pEp-API function

Out parameters and data structures are still TODO

test/rpc-test.py

@@ -0,0 +1,53 @@
+#!/usr/bin/env python3
+
+import requests
+import json
+import pprint as pp
+
+
+def server_info() -> (str, str):
+    json_token = open('../server/.pEp/json-token')
+    json_server = json.load(json_token)
+    url = 'http://{}:{}{}'.format(json_server['address'], json_server['port'], json_server['path'])
+    rpc_url = url + 'callFunction'
+    return (rpc_url, json_server['security_token'])
+
+
+def json_rpc_request(func_name: str, params: dict) -> dict:
+    params_val = []
+    if len(params) > 0:
+        params_val = [params]
+
+
+    request = {
+        'id': 1001,
+        'jsonrpc': '2.0',
+        'security_token': server_info()[1],
+        'method': func_name,
+        'params': params_val}
+    pp.pprint('REQUEST:')
+    pp.pprint(request)
+    return request
+
+
+def generic(*args, **kwargs):
+    print("-------------------------------------------------------")
+    function_name: str = args[0]
+    params: dict = kwargs
+    request: dict = json_rpc_request(function_name, params)
+
+    pp.pprint('RESPONSE:')
+    response: requests.Response = requests.post(server_info()[0], json=request)
+    pp.pprint(response.json())
+
+
+def main():
+    print(server_info()[0])
+    print(server_info()[1])
+
+
+if __name__ == '__main__':
+    main()
+    generic('myself', username='alice', address='alice@peptest.org')
+    generic('startSync')
+    # generic('stopSync')