some class examples

new_code/classes.py

@@ -0,0 +1,91 @@
+class BaseA(object):
+    """
+    hello A
+    """
+    def __init__(self, x, y):
+        self.x = x  # self.__dict__["x"] = x
+        self.y = y
+
+    def sum(self):
+        return self.x + self.y
+
+
+class B(BaseA):
+    pass
+
+
+
+class BaseTimeSlot(object):
+
+    def __init__(self, min_time, max_time):
+        if min_time > max_time:
+            min_time, max_time = max_time, min_time
+        self.min_time = min_time
+        self.max_time = max_time
+
+    def __eq__(self, other):
+        if type(self) is not type(other):
+            return False
+        return self.min_time == other.min_time and self.max_time == other.max_time
+
+    def __ne__(self, other):
+        return not (self == other)
+
+    def overlapping(self, other):
+        return not (self.min_time >= other.max_time or self.max_time < other.min_time)
+
+
+class Calendar(BaseTimeSlot):
+
+    def __init__(self, owner, name, events, **kwargs):
+        super().__init__(**kwargs)
+        self.owner = owner
+        self.name = name
+        self.events = events
+
+    def __len__(self):
+        return len(self.events)
+
+    def __iter__(self):
+        return iter(self.events)
+
+    def __contains__(self, item):
+        return item in self.events
+
+    def fits(self, event):
+        pass
+
+
+
+class Event(BaseTimeSlot):
+
+    def __init__(self, min_time, max_time, status="attending"):
+        super().__init__(min_time=min_time, max_time=max_time)
+        self.status = status
+
+    def __contains__(self, other):
+        return self.min_time <= other < self.max_time
+
+    def __str__(self):
+        return f"{self.__class__.__name__}(min_time={self.min_time}, max_time={self.max_time}, status={self.status})"
+
+
+if __name__ == "__main__":
+    event = Event(0, 1, "happy")
+    e1 = Event(2, 5)
+    e2 = Event(3, 4)
+    print(e1.overlapping(e2))
+    print(3.5 in e1)
+    e = Event(2,1)
+    print(e.__dict__)
+
+    print(e1 == e2)
+    print(e1 != e2)
+
+    cal = Calendar(min_time=0, max_time=24, owner=None, name="yes", events=[e, e1, e2])
+    print(len(cal))
+    min_times = [c.min_time for c in cal]
+    print(min_times)
+    print(e in cal)
+
+