Add script file

Author: BrunoSilvaAndrade

jsonconfigparser.py

@@ -0,0 +1,55 @@
+import json
+from os import path
+from schema import Schema, SchemaError
+
+class Config(object):
+    
+    __instance = None
+
+    def __new__(cls,schema:dict = None, path_file:str = "config.json"):
+        if cls.__instance is None:
+            cls.__create_new_instace(schema, path_file)
+        return cls.__instance
+
+    @classmethod
+    def __create_new_instace(cls,schema:dict, path_file:str):
+        if not path.isfile(path_file):
+            raise ConfigException("Wasn't possible find the config file: {}".format(path_file))
+        
+        with  open(path_file, "r") as f:
+            file_buff = f.read()
+            f.close()
+
+        try:
+            config = Schema(schema).validate(json.loads(file_buff))
+            if not isinstance(config, dict):
+                raise ConfigException("The first element's config should be a Map")
+            cls.__instance = cls.__dict_2_obj(config)
+        except json.JSONDecodeError:
+            raise ConfigException("{}".format("Wasn't possible to decode the json file:{}".format(path_file)))
+        except SchemaError as e:
+            raise ConfigException(str(e))
+    
+    @classmethod
+    def __dict_2_obj(cls, data:dict):
+        _type = type(data)
+
+        if _type is dict:
+            obj = object.__new__(cls)
+            for key in data:
+                sub_data = data[key]
+                if type(sub_data) in (list, dict):
+                    setattr(obj, key, cls.__dict_2_obj(sub_data))
+                else:
+                    setattr(obj, key, sub_data)
+            return obj
+        if _type is list:
+            for i in range(len(data)):
+                data[i] = cls.__dict_2_obj(data[i])
+            return data
+        else:
+            return data
+
+class ConfigException(Exception):
+    def __init__(self, *args, **kwargs):
+        super().__init__(*args, **kwargs)