[3D] Added option to enable the colored R cache

CHANGELOG.md

@@ -10,6 +10,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
   - `colored_tht_resistors` to disable the 3D colored resistors.
   - `field_tolerance` field/s to look for resistor tolerance.
   - `default_resistor_tolerance` which tolerance to use when none found.
+  - `cache_3d_resistors` to avoid generating them all the time.
 - 3D: colored 3D models for THT resistors
 
 ### Fixed

kibot/globals.py

@@ -274,6 +274,9 @@ class Globals(FiltersOptions):
             """ When no tolerance is specified we use this value.
                 Note that I know 5% is a common default, but technically speaking 20% is the default.
                 Used while creating colored resistors """
+            self.cache_3d_resistors = False
+            """ Use a cache for the generated 3D models of colored resistors.
+                Will save time, but you could need to remove the cache if you need to regenerate them """
         self.set_doc('filters', " [list(dict)] KiBot warnings to be ignored ")
         self._filter_what = 'KiBot warnings'
         self.filters = FilterOptionsKiBot

kibot/gs.py

@@ -122,6 +122,7 @@ class GS(object):
     def_global_output = '%f-%i%I%v.%x'
     # The class that controls the global options
     class_for_global_opts = None
+    global_cache_3d_resistors = None
     global_castellated_pads = None
     global_colored_tht_resistors = None
     global_copper_thickness = None

kibot/out_base_3d.py

@@ -405,7 +405,7 @@ class Base3DOptions(VariantOptions):
             self.widths = self.widths[:-2]
         # Create the name in the cache
         cache_name = self.colored_tht_resistor_name(name, bars)
-        if os.path.isfile(cache_name):
+        if os.path.isfile(cache_name) and GS.global_cache_3d_resistors:
             status = 'cached'
         else:
             status = 'created'