example network visualisation

core/elements.py

@@ -0,0 +1,25 @@
+#!/usr/bin/env python
+from collections import namedtuple
+
+class City(namedtuple('City', 'id city region latitude longitude')):
+    def __call__(self, spectral_info):
+        return spectral_info.copy()
+
+class Fiber:
+    UNITS = {'m': 1, 'km': 1e3}
+    def __init__(self, id, length, units, latitude, longitude):
+        self.id = id
+        self._length = length
+        self._units = units
+        self.latitude = latitude
+        self.longitude = longitude
+
+    def __repr__(self):
+        return f'{type(self).__name__}(id={self.id}, length={self.length})'
+
+    @property
+    def length(self):
+        return self._length * self.UNITS[self._units]
+
+    def __call__(self, spectral_info):
+        return spectral_info.copy()