refactor: add config.py

this change adds self validation in __init__, allows to make config values with different types (not just string) and stores config values in classes for easier accessibility

Signed-off-by: mctaylors <cantsendmails@mctaylors.ru>

config.py

@@ -0,0 +1,43 @@
+import configparser
+from typing import Optional
+
+import requests
+
+_c = configparser.ConfigParser()
+_c.read("config.ini")
+
+
+class _General:
+    token: str
+    sourceurl: Optional[str]
+
+    def __init__(self):
+        self.token = _c.get('General', 'Token')
+        self.sourceurl = _c.get('General', 'SourceUrl')
+        if not self.sourceurl.startswith("http://") and not self.sourceurl.startswith("https://"):
+            self.sourceurl = None
+
+
+class _App:
+    name: str
+    host: str
+    hostname: str
+
+    def __init__(self):
+        self.name = _c.get('App', 'Name')
+        self.host = _c.get('App', 'Host')
+        # noinspection PyBroadException
+        try:
+            response = requests.get(f"http://{self.host}/status.json")
+            if response.status_code != 200:
+                raise
+        except:
+            print("Unable validate App.Host in config.ini.")
+            exit(1)
+        self.hostname = _c.get('App', 'HostName')
+        if not self.hostname:
+            self.hostname = self.host
+
+
+general = _General()
+app = _App()