Add bom ignore option for cables and connectors

src/wireviz/DataClasses.py

@@ -65,6 +65,7 @@ class Connector:
     hide_disconnected_pins: bool = False
     autogenerate: bool = False
     loops: List[Any] = field(default_factory=list)
+    ignore_in_bom: bool = False
 
     def __post_init__(self):
 
@@ -139,6 +140,7 @@ class Cable:
     color_code: Optional[str] = None
     show_name: bool = True
     show_wirecount: bool = True
+    ignore_in_bom: bool = False
 
     def __post_init__(self):
 

src/wireviz/Harness.py

@@ -336,7 +336,7 @@ class Harness:
         bom_extra = []
         # connectors
         connector_group = lambda c: (c.type, c.subtype, c.pincount, c.manufacturer, c.mpn, c.pn)
-        for group in Counter([connector_group(v) for v in self.connectors.values()]):
+        for group in Counter([connector_group(v) for v in self.connectors.values() if v.ignore_in_bom is not True]):
             items = {k: v for k, v in self.connectors.items() if connector_group(v) == group}
             shared = next(iter(items.values()))
             designators = list(items.keys())
@@ -355,7 +355,7 @@ class Harness:
         # TODO: If category can have other non-empty values than 'bundle', maybe it should be part of item name?
         # The category needs to be included in cable_group to keep the bundles excluded.
         cable_group = lambda c: (c.category, c.type, c.gauge, c.gauge_unit, c.wirecount, c.shield, c.manufacturer, c.mpn, c.pn)
-        for group in Counter([cable_group(v) for v in self.cables.values() if v.category != 'bundle']):
+        for group in Counter([cable_group(v) for v in self.cables.values() if v.category != 'bundle' and v.ignore_in_bom is not True]):
             items = {k: v for k, v in self.cables.items() if cable_group(v) == group}
             shared = next(iter(items.values()))
             designators = list(items.keys())