add rand_color

cq_editor/widgets/debugger.py

@@ -13,6 +13,7 @@ from logbook import info
 from path import Path
 from pyqtgraph.parametertree import Parameter
 from spyder.utils.icon_manager import icon
+from random import randrange as rrr, seed
 
 from ..cq_utils import find_cq_objects, reload_cq
 from ..mixins import ComponentMixin
@@ -207,8 +208,28 @@ class Debugger(QObject,ComponentMixin):
 
             _show_object(obj,name,options=dict(color='red',alpha=0.2))
 
+        def _rand_color(alpha = 0., cfloat=False):
+            #helper function to generate a random color dict
+            #for CQ-editor's show_object function
+            lower = 10
+            upper = 100 #not too high to keep color brightness in check
+            if cfloat: #for two output types depending on need
+                return (
+                        (rrr(lower,upper)/255),
+                        (rrr(lower,upper)/255),
+                        (rrr(lower,upper)/255),
+                        alpha,
+                        )
+            return {"alpha": alpha,
+                    "color": (
+                              rrr(lower,upper),
+                              rrr(lower,upper),
+                              rrr(lower,upper),
+                             )}
+
         module.__dict__['show_object'] = _show_object
         module.__dict__['debug'] = _debug
+        module.__dict__['rand_color'] = _rand_color
         module.__dict__['log'] = lambda x: info(str(x))
         module.__dict__['cq'] = cq
 
@@ -220,7 +241,7 @@ class Debugger(QObject,ComponentMixin):
 
     @pyqtSlot(bool)
     def render(self):
-
+        seed(371353) #reset the seed every time render is called (preserves colors run to run)
         if self.preferences['Reload CQ']:
             reload_cq()