Added cascade settings loading from ~/.maigret/settings.json and ./settings.json

maigret/settings.py

@@ -1,28 +1,57 @@
+import os
+import os.path as path
 import json
 
+SETTINGS_FILES_PATHS = [
+    path.join(path.dirname(path.realpath(__file__)), "resources/settings.json"),
+    '~/.maigret/settings.json',
+    path.join(os.getcwd(), 'settings.json'),
+]
+
 
 class Settings:
+    # main maigret setting
+    retries_count: int
+
+    # submit mode settings
     presence_strings: list
     supposed_usernames: list
 
-    def __init__(self, filename):
-        data = {}
+    def __init__(self):
+        pass
 
-        try:
-            with open(filename, "r", encoding="utf-8") as file:
-                try:
+    def load(self, paths=None):
+        was_inited = False
+
+        if not paths:
+            paths = SETTINGS_FILES_PATHS
+
+        for filename in paths:
+            data = {}
+
+            try:
+                with open(filename, "r", encoding="utf-8") as file:
                     data = json.load(file)
-                except Exception as error:
-                    raise ValueError(
-                        f"Problem with parsing json contents of "
-                        f"settings file '{filename}':  {str(error)}."
-                    )
-        except FileNotFoundError as error:
-            raise FileNotFoundError(
-                f"Problem while attempting to access settings file '{filename}'."
-            ) from error
+            except FileNotFoundError:
+                # treast as a normal situation
+                pass
+            except Exception as error:
+                return False, ValueError(
+                    f"Problem with parsing json contents of "
+                    f"settings file '{filename}':  {str(error)}."
+                )
 
-        self.__dict__.update(data)
+            self.__dict__.update(data)
+            import logging
+
+            logging.error(data)
+            if data:
+                was_inited = True
+
+        return (
+            was_inited,
+            f'None of the default settings files found: {", ".join(paths)}',
+        )
 
     @property
     def json(self):