Fetching systems

models/agent.py

@@ -5,7 +5,7 @@ class Agent(Base):
   credits: int = 0
   
   def update(self, d):
-    self.seta(d, 'credits')
+    self.seta('credits', d)
     
   def path(self):
     return f'{self.symbol}.{self.ext()}'

models/base.py

@@ -1,6 +1,6 @@
 from copy import deepcopy
 from dataclasses import dataclass
-
+from util import sg
 @dataclass
 class Base:
   symbol: str
@@ -11,9 +11,12 @@ class Base:
     self.store = store
     self.dirty = True
   
-  def seta(self, d, name):
-    if name in d:
-      setattr(self, name, d[name])
+  def seta(self, attr,  d, name=None):
+    if name is None:
+      name = attr
+    val = sg(d, name)
+    if val is not None:
+      setattr(self, attr, val)
       
   def __setattr__(self, name, value):
     if name != 'dirty':

models/system.py

@@ -3,6 +3,15 @@ from .base import Base
 
 
 class System(Base):
+  x:int = 0
+  y:int = 0
+  type:str = 'unknown'
+  
+  def update(self, d):
+    self.seta('x', d)
+    self.seta('y', d)
+    self.seta('type', d)
+    
   @classmethod
   def ext(self):
     return 'stm'