implement setup.py

mymuell2caldav/databinding/LocalDataStorage.py

@@ -0,0 +1,75 @@
+from appdirs import *
+import json
+import os
+import re
+import copy
+from cryptography.fernet import Fernet
+
+class LocalDataStorage(object):
+    def __init__(self):
+        self.appname = "MyMuellDav"
+        self.appauthor = "Av3m"
+        self.__fernet = Fernet(b'kWUFurHmtMWX6nOMhpFR45DpuNVPckSQ9t95_ADG2dA=')
+
+        if not os.path.exists(self.user_data_dir):
+            os.makedirs(self.user_data_dir)
+
+    DefaultSettings = {
+        'url': '',
+        'user': '',
+        'password': '',
+        'calendar': '',
+        'mymuellcity': '',
+    }
+
+    @property
+    def user_data_dir(self):
+        return user_data_dir(self.appname, self.appauthor)
+
+    @property
+    def file_settings(self):
+        return os.path.join(self.user_data_dir, "settings.json")
+    @property
+    def file_city_data(self):
+        return os.path.join(self.user_data_dir, "city_data.json")
+
+    @property
+    def settings(self):
+        if os.path.exists(self.file_settings):
+            with open(self.file_settings, "r") as f:
+                j = json.load(f)
+                j["password"] = str(self.__fernet.decrypt(bytes(j["password"], encoding="utf-8")), encoding="utf-8")
+                return j
+        else:
+            return LocalDataStorage.DefaultSettings
+
+    @settings.setter
+    def settings(self, val):
+        if val is None and os.path.exists(self.file_settings):
+            os.remove(self.file_settings)
+            return
+
+        with open(self.file_settings, "w+") as f:
+            v = copy.copy(val)
+            v["password"] = str(self.__fernet.encrypt(bytes(v["password"], encoding="utf-8")), encoding="utf-8")
+            json.dump(v, f)
+
+        os.chmod(self.file_settings, 0o0600)
+
+    @property
+    def city_data(self):
+        if os.path.exists(self.file_city_data):
+            with open(self.file_city_data, "r") as f:
+                return json.load(f)
+        else:
+            return None
+
+    @city_data.setter
+    def city_data(self, val):
+        if val is None and os.path.exists(self.file_city_data):
+            os.remove(self.file_city_data)
+            return
+
+        with open(self.file_city_data, "w+") as f:
+            json.dump(val, f)
+