1 files changed, 110 insertions, 0 deletions
diff --git a/rss_to_gitea/config.py b/rss_to_gitea/config.py
new file mode 100644
index 0000000..1737a39
--- /dev/null
+++ b/rss_to_gitea/config.py
@@ -0,0 +1,110 @@
+'''
+'''
+
+
+from __future__ import annotations
+
+import typing
+import yaml
+
+
+STRUCTURE={
+    'url':str,
+    'token':str,
+    'owner':str,
+    'repo':str,
+    'feeds':list,
+    'label':str
+}
+
+STRUCTURE_DICT_LIST={
+        'feeds': {
+            'url':str,
+            'name':str,
+            'assign':str,
+            'exclude':list,
+            'include':list,
+        }
+}
+
+
+
+class ConfigError(Exception):
+    pass
+
+class Config:
+    '''
+    Imports and stores curvegenerator parameters
+
+    Example:
+        ```yaml
+        # test.yaml
+        ---
+        testval: 4
+        ```
+        ```python
+        conf = Config("test.yaml")
+        print(conf.testval)
+        ```
+    '''
+    def __init__(self, _file):
+        '''
+        Constructor
+
+        Args:
+            _file (str): Filename to yaml configfile
+        '''
+
+        if _file is None:
+            return
+
+        with open(_file, 'r') as f:
+            self.config = yaml.load(f.read(), Loader=yaml.FullLoader)
+
+        self._validate()
+
+    def __iter__(self):
+        self.n = 0
+        pass
+
+    def __next__(self):
+        pass
+
+    def __getitem__(self, _key):
+        self.config[_key]
+
+    @staticmethod
+    def _validate_dict(_dict, _spec, _context=''):
+        for e in _spec:
+            if e not in _dict:
+                if _spec[e] is not list:
+                    raise ConfigError(f'{_context}Key {e} is not set.')
+                else:
+                    pass
+            elif type(_dict[e]) is not _spec[e]:
+                raise ConfigError(f'{_context}Key {e} is {type(_dict[e])}. Should be {_spec[e]}')
+
+    def _validate(self):
+        Config._validate_dict(self.config, STRUCTURE)
+
+        for lst in STRUCTURE_DICT_LIST:
+            for e in self.config[lst]:
+                Config._validate_dict(e, STRUCTURE_DICT_LIST[lst], 'feeds: ')
+
+    def load(self, _dict):
+        self.config = _dict
+
+    def __getattr__(self, _attr) -> float | int | Config | None:
+        if _attr not in self.config:
+            return None
+
+        if isinstance(self.config[_attr], dict):
+            ret = Config(None)
+            ret.load(self.config[_attr])
+            return ret
+
+        return self.config[_attr]
+
+    def __str__(self):
+        return yaml.dump(self.config)
+