add structure for objects

models/channel.py

@@ -0,0 +1,18 @@
+class Channel:
+    def __init__(self, name: str) -> None:
+        self.name = name
+
+
+class _ChannelManager:
+    def __init__(self):
+        self.channels = {}
+
+    def get_or_create(self, name: str):
+        if name in self.channels.keys():
+            return self.channels[name]
+        new_channel = Channel(name)
+        self.channels[name] = new_channel
+        return new_channel
+
+
+ChannelManager = _ChannelManager()

models/programme.py

@@ -0,0 +1,20 @@
+from datetime import datetime
+from typing import Dict
+
+from .channel import Channel, ChannelManager
+
+
+class Programme:
+    def __init__(self, channel: Channel, start: datetime, stop: datetime):
+        self.channel: Channel = channel
+        self.start: datetime = start
+        self.stop: datetime = stop
+
+    @classmethod
+    def from_dict(cls, input_dict: Dict) -> 'Programme':
+        date_format = "%Y%m%d%H%M%S %z"
+        return cls(
+            ChannelManager.get_or_create(input_dict['channel']),
+            datetime.strptime(input_dict['start'], date_format),
+            datetime.strptime(input_dict['stop'], date_format)
+        )