Added UI and basic monitoring

mt5_correlation/config.py

@@ -0,0 +1,84 @@
+import yaml
+import definitions
+
+
+class Config(object):
+    """
+    Provides access to application configuration parameters stored in config.yaml.
+    """
+
+    _config = None
+    _path = None
+    _instance = None
+
+    def __init__(self):
+        """
+        Singleton. Raise runtime error
+        """
+        raise RuntimeError('Call instance() instead')
+
+    @classmethod
+    def instance(cls):
+        """
+        Singleton. Get instance of this class. Create if not already created.
+        :return:
+        """
+        if cls._instance is None:
+            cls._instance = cls.__new__(cls)
+        return cls._instance
+
+    def load(self, path):
+        """
+        Loads the applications config file
+        :param path: Path to config file
+        :return:
+        """
+        with open(path, 'r') as yamlfile:
+            self._config = yaml.safe_load(yamlfile)
+
+        # Store path so that we can save later
+        self._path = path
+
+    def save(self):
+        """
+        Saves config file
+        :return:
+        """
+
+        with open(self._path, 'w') as file:
+            file.write("---\n")
+            yaml.dump(self._config, file, sort_keys=False)
+            file.write("...")
+
+    def get(self, path):
+        """
+        Gets a config property value.
+        :param path: path to property. Path separated by .
+        :return: property value
+        """
+
+        elements = path.split('.')
+        last = None
+
+        for element in elements:
+            if last is None:
+                last = self._config[element]
+            else:
+                last = last[element]
+
+        return last
+
+    def set(self, path, value):
+        """
+        Sets a config property value
+        :param path: path to property. Path separated by .
+        :param value: Value to set property to
+        :return:
+        """
+        obj = self._config
+        key_list = path.split(".")
+
+        for k in key_list[:-1]:
+            obj = obj[k]
+
+        obj[key_list[-1]] = value