Update with enum support

Author: Jeroen van der Heijden

README.md

@@ -656,3 +656,20 @@ When adding a new brick, for example using the following code:
             color name: RED
             color value: #f00
 ```
+
+If you do not care about having defined the `Color` class, then you can drop this class and change the
+color specification to the plain string `"Enum"`. For example:
+
+```python
+class Brick(Thing):
+    color = 'Enum'
+
+    def on_init(self, *args, **kwars):
+        super().on_init(*args, **kwars)
+        print(f'''
+        Init Brick:
+            id: {self.id()}
+            color name: {self.color.name}
+            color value: {self.color.value}
+        ''')
+```

thingsdb/model/prop.py

@@ -72,9 +72,12 @@ def unpack(self, collection):
         if spec == 'Thing' and cb_type is None:
             spec, kwargs['watch'] = 'thing', True
 
-        self.vconv = self.get_conv(
-            spec, is_nillable, **kwargs
-            if spec == 'any' or spec == 'thing' else {})
+        if spec == 'Enum' and cb_type is None:
+            self.vconv = self.get_conv('enum', collection=collection)
+        else:
+            self.vconv = self.get_conv(
+                spec, is_nillable, **kwargs
+                if spec == 'any' or spec == 'thing' else {})
 
         if self.vconv is None:
             assert callable(cb_type), \

thingsdb/version.py

@@ -1 +1 @@
-__version__ = '0.5.3'
+__version__ = '0.6.0'