better naming

gdsfactory/add_pins.py

@@ -531,7 +531,6 @@ def add_pins(
 
 add_pins_optical = partial(add_pins, select_ports=select_ports_optical)
 add_pins_electrical = partial(add_pins, select_ports=select_ports_electrical)
-add_pins_container = partial(container, function=add_pins)
 
 add_pins_triangle = partial(add_pins, function=add_pin_triangle)
 add_pins_center = partial(add_pins, function=add_pin_rectangle)
@@ -542,6 +541,10 @@ def add_pins(
 add_pins_inside1nm = partial(add_pins, function=add_pin_inside1nm)
 add_pins_inside2um = partial(add_pins, function=add_pin_inside2um)
 
+add_pins_container = partial(container, function=add_pins)
+add_pins_container_center = partial(container, function=add_pins_center)
+add_pins_container_siepic = partial(container, function=add_pins_siepic)
+
 
 def add_settings_label(
     component: Component,

gdsfactory/component.py

@@ -195,13 +195,28 @@
         with_uuid: bool = False,
         max_name_length: int | None = None,
     ) -> None:
-        """Initialize the Component object."""
+        """Initialize the Component object.
+
+        Args:
+            name: component_name. Use @cell decorator for auto-naming.
+            with_uuid: adds unique identifier.
+            max_name_length: maximum number of characters for component name.
+        """
 
         self.uid = str(uuid.uuid4())[:8]
-        if with_uuid or name == "Unnamed":
+
+        if with_uuid:
+            warnings.warn("with_uuid is deprecated. Use @cell decorator instead.")
             name += f"_{self.uid}"
 
-        self._cell = gdstk.Cell("Unnamed")
+        if name == "Unnamed":
+            name = f"Unnamed_{self.uid}"
+
+        name_counters[name] += 1
+        if name_counters[name] > 1:
+            name = f"{name}${name_counters[name]-1}"
+
+        self._cell = gdstk.Cell(name)
         self.rename(name, max_name_length=max_name_length)
         self.info: Info = Info()
 
@@ -1199,8 +1214,11 @@
         self.is_unlocked()
         self._cell.add(*polygons)
 
-    def copy(self) -> Component:
-        return copy(self)
+    def copy(self, name: str | None = None) -> Component:
+        c = copy(self)
+        if name:
+            c.rename(name)
+        return c
 
     def add_ref_container(self, component: Component) -> ComponentReference:
         """Add reference, ports and copy_child_info."""
@@ -1375,19 +1393,10 @@
         _cell = _cell.flatten()
         component_flat._cell = _cell
         if single_layer is not None:
-            from gdsfactory import get_layer
-
-            layer, datatype = get_layer(single_layer)
-            for polygon in _cell.polygons:
-                polygon.layer = layer
-                polygon.datatype = datatype
-            for path in _cell.paths:
-                path.set_layers(layer)
-                path.set_datatypes(datatype)
+            warnings.warn("flatten on single layer is deprecated")
 
         component_flat.copy_child_info(self)
         component_flat.add_ports(self.ports)
-        component_flat.child = self.child
         return component_flat
 
     def flatten_reference(self, ref: ComponentReference) -> None:
@@ -1403,7 +1412,7 @@
         from gdsfactory.functions import transformed
 
         self.remove(ref)
-        new_component = transformed(ref, decorator=None)
+        new_component = transformed(ref)
         self.add_ref(new_component, alias=ref.name)
 
     def flatten_invalid_refs(self, *args, **kwargs) -> Component:
@@ -1419,19 +1428,22 @@
         grid_size: float | None = None,
         updated_components=None,
         traversed_components=None,
+        keep_names: bool = False,
     ) -> Component:
         """Returns new component with flattened references so that they snap to grid.
 
         Args:
             grid_size: snap to grid size.
             updated_components: set of updated components.
             traversed_components: set of traversed components.
+            keep_names: True for writing to GDS, False for internal use.
         """
         return flatten_offgrid_references_recursive(
             self,
             grid_size=grid_size,
             updated_components=updated_components,
             traversed_components=traversed_components,
+            keep_names=keep_names,
         )
 
     def add_ref(
@@ -1870,7 +1882,7 @@
         )
 
         if write_settings.flatten_offgrid_references:
-            top_cell = flatten_offgrid_references_recursive(self)
+            top_cell = flatten_offgrid_references_recursive(self, keep_names=True)
         else:
             top_cell = self
             if not has_valid_transformations(self):
@@ -2732,6 +2744,7 @@
     grid_size: float | None = None,
     updated_components=None,
     traversed_components=None,
+    keep_names: bool = False,
 ) -> Component:
     """Recursively flattens component references which have invalid transformations
     (i.e. non-90 deg rotations or sub-grid translations)
@@ -2750,6 +2763,7 @@
             Should always be None, except for recursive.
         traversed_components: the set of component names which have been traversed.
             Should always be None, except for recursive invocations.
+        keep_names: True for writing to GDS, False for internal use.
     """
     from gdsfactory.decorators import is_invalid_ref
 
@@ -2779,7 +2793,10 @@
     if invalid_refs or subcell_modified:
         # if the cell or subcells need to have references flattened, create an uncached copy of this cell for export
         new_component = component.copy()
-        new_component.rename(component.name, cache=False)
+        if keep_names:
+            new_component.rename(component.name, cache=False)
+        else:
+            new_component.rename(component.name + "_offgrid")
 
         # make sure all modified cells have their references updated
         new_refs = new_component.references.copy()
@@ -2824,8 +2841,13 @@
     # from functools import partial
     import gdsfactory as gf
 
-    c = gf.components.straight(length=1)
-    cc = gf.routing.add_fiber_array(c)
+    c1 = gf.Component()
+    c2 = gf.Component()
+    print(c1.name)
+    print(c2.name)
+
+    # c = gf.components.straight(length=1)
+    # cc = gf.routing.add_fiber_array(c)
     # print(c.hash_geometry())
     # c2 = c.flatten()
 

gdsfactory/samples/07_flattening_device.py

@@ -7,8 +7,6 @@
 
 The Component.flatten() method returns a new flatten Component with all the
 polygons inside the Component, and removes all the underlying references.
-Also, if you specify the `single_layer` argument it will move all of the
-polygons to that single layer.
 
 """
 from __future__ import annotations
@@ -27,7 +25,6 @@ def flatten_device() -> Component:
 
     assert len(c.references) == 3
     c2 = c.flatten()
-    # c2 = c.flatten(single_layer=(34, 0))
     assert len(c2.references) == 0
     return c2
 

gdsfactory/serialization.py

@@ -45,13 +45,14 @@ def clean_value_json(
     value: Any, fast_serialization: bool = False
 ) -> str | int | float | dict | list | bool | None:
     """Return JSON serializable object."""
+    from gdsfactory.component import Component
     from gdsfactory.path import Path
 
     if isinstance(value, pydantic.BaseModel):
         return clean_dict(value.model_dump())
 
-    elif fast_serialization and hasattr(value, "hash_geometry"):
-        return value.hash_geometry()
+    elif fast_serialization and isinstance(value, Component):
+        return value.name
 
     elif hasattr(value, "get_component_spec"):
         return value.get_component_spec()

test-data-regression/test_import_json_label.yml

@@ -65,7 +65,7 @@ cell_settings:
 doe: null
 measurement: null
 measurement_settings: {}
-name: add_fiber_single_rotate_d179bff8
+name: add_fiber_single_rotate_8549233d
 port_names:
 - opt_te_1530_15-straight_7688267d-loopback2
 - opt_te_1530_15-straight_7688267d-1-0

test-data-regression/test_import_ports_center.yml

@@ -1,5 +1,5 @@
 function: ''
 info: {}
 module: ''
-name: straight_4f1b76fe
+name: straight_container_2d36ef1e
 settings: {}

test-data-regression/test_import_ports_inside.yml

@@ -1,5 +1,5 @@
 function: ''
 info: {}
 module: ''
-name: straight_1514d1a3
+name: straight_container_ceeea98c
 settings: {}

test-data-regression/test_import_ports_siepic.yml

@@ -1,5 +1,5 @@
 function: ''
 info: {}
 module: ''
-name: straight_7688267d
+name: straight_container_53d36f90
 settings: {}

test-data-regression/test_netlists_sample_doe_function_.yml

@@ -53,54 +53,54 @@ warnings:
     unconnected_ports:
     - message: 56 unconnected optical ports!
       ports:
-      - rings,ring_single_add_fiber_array_2d9b5d8c-o1
-      - rings,ring_single_add_fiber_array_2d9b5d8c-o2
-      - rings,ring_single_add_fiber_array_2d9b5d8c-loopback1
-      - rings,ring_single_add_fiber_array_2d9b5d8c-loopback2
-      - rings,ring_single_add_fiber_array_c9502bb8-o1
-      - rings,ring_single_add_fiber_array_c9502bb8-o2
-      - rings,ring_single_add_fiber_array_c9502bb8-loopback1
-      - rings,ring_single_add_fiber_array_c9502bb8-loopback2
-      - rings,ring_single_add_fiber_array_d77ef29b-o1
-      - rings,ring_single_add_fiber_array_d77ef29b-o2
-      - rings,ring_single_add_fiber_array_d77ef29b-loopback1
-      - rings,ring_single_add_fiber_array_d77ef29b-loopback2
-      - rings,ring_single_add_fiber_array_5275b32c-o1
-      - rings,ring_single_add_fiber_array_5275b32c-o2
-      - rings,ring_single_add_fiber_array_5275b32c-loopback1
-      - rings,ring_single_add_fiber_array_5275b32c-loopback2
-      - rings,ring_single_add_fiber_array_bdb5bd75-o1
-      - rings,ring_single_add_fiber_array_bdb5bd75-o2
-      - rings,ring_single_add_fiber_array_bdb5bd75-loopback1
-      - rings,ring_single_add_fiber_array_bdb5bd75-loopback2
-      - rings,ring_single_add_fiber_array_e8b42cfe-o1
-      - rings,ring_single_add_fiber_array_e8b42cfe-o2
-      - rings,ring_single_add_fiber_array_e8b42cfe-loopback1
-      - rings,ring_single_add_fiber_array_e8b42cfe-loopback2
-      - rings,ring_single_add_fiber_array_db95022f-o1
-      - rings,ring_single_add_fiber_array_db95022f-o2
-      - rings,ring_single_add_fiber_array_db95022f-loopback1
-      - rings,ring_single_add_fiber_array_db95022f-loopback2
-      - rings,ring_single_add_fiber_array_1b9122c6-o1
-      - rings,ring_single_add_fiber_array_1b9122c6-o2
-      - rings,ring_single_add_fiber_array_1b9122c6-loopback1
-      - rings,ring_single_add_fiber_array_1b9122c6-loopback2
-      - rings,ring_single_add_fiber_array_f6584048-o1
-      - rings,ring_single_add_fiber_array_f6584048-o2
-      - rings,ring_single_add_fiber_array_f6584048-loopback1
-      - rings,ring_single_add_fiber_array_f6584048-loopback2
-      - rings,ring_single_add_fiber_array_9171869a-o1
-      - rings,ring_single_add_fiber_array_9171869a-o2
-      - rings,ring_single_add_fiber_array_9171869a-loopback1
-      - rings,ring_single_add_fiber_array_9171869a-loopback2
-      - rings,ring_single_add_fiber_array_9a749ac3-o1
-      - rings,ring_single_add_fiber_array_9a749ac3-o2
-      - rings,ring_single_add_fiber_array_9a749ac3-loopback1
-      - rings,ring_single_add_fiber_array_9a749ac3-loopback2
-      - rings,ring_single_add_fiber_array_65354b69-o1
-      - rings,ring_single_add_fiber_array_65354b69-o2
-      - rings,ring_single_add_fiber_array_65354b69-loopback1
-      - rings,ring_single_add_fiber_array_65354b69-loopback2
+      - rings,ring_single_add_fiber_array_d51f0345-o1
+      - rings,ring_single_add_fiber_array_d51f0345-o2
+      - rings,ring_single_add_fiber_array_d51f0345-loopback1
+      - rings,ring_single_add_fiber_array_d51f0345-loopback2
+      - rings,ring_single_add_fiber_array_1a6e693e-o1
+      - rings,ring_single_add_fiber_array_1a6e693e-o2
+      - rings,ring_single_add_fiber_array_1a6e693e-loopback1
+      - rings,ring_single_add_fiber_array_1a6e693e-loopback2
+      - rings,ring_single_add_fiber_array_22fae60b-o1
+      - rings,ring_single_add_fiber_array_22fae60b-o2
+      - rings,ring_single_add_fiber_array_22fae60b-loopback1
+      - rings,ring_single_add_fiber_array_22fae60b-loopback2
+      - rings,ring_single_add_fiber_array_a3040416-o1
+      - rings,ring_single_add_fiber_array_a3040416-o2
+      - rings,ring_single_add_fiber_array_a3040416-loopback1
+      - rings,ring_single_add_fiber_array_a3040416-loopback2
+      - rings,ring_single_add_fiber_array_b4f08058-o1
+      - rings,ring_single_add_fiber_array_b4f08058-o2
+      - rings,ring_single_add_fiber_array_b4f08058-loopback1
+      - rings,ring_single_add_fiber_array_b4f08058-loopback2
+      - rings,ring_single_add_fiber_array_f5917333-o1
+      - rings,ring_single_add_fiber_array_f5917333-o2
+      - rings,ring_single_add_fiber_array_f5917333-loopback1
+      - rings,ring_single_add_fiber_array_f5917333-loopback2
+      - rings,ring_single_add_fiber_array_8370bce9-o1
+      - rings,ring_single_add_fiber_array_8370bce9-o2
+      - rings,ring_single_add_fiber_array_8370bce9-loopback1
+      - rings,ring_single_add_fiber_array_8370bce9-loopback2
+      - rings,ring_single_add_fiber_array_fb47609b-o1
+      - rings,ring_single_add_fiber_array_fb47609b-o2
+      - rings,ring_single_add_fiber_array_fb47609b-loopback1
+      - rings,ring_single_add_fiber_array_fb47609b-loopback2
+      - rings,ring_single_add_fiber_array_2a578449-o1
+      - rings,ring_single_add_fiber_array_2a578449-o2
+      - rings,ring_single_add_fiber_array_2a578449-loopback1
+      - rings,ring_single_add_fiber_array_2a578449-loopback2
+      - rings,ring_single_add_fiber_array_7514afdd-o1
+      - rings,ring_single_add_fiber_array_7514afdd-o2
+      - rings,ring_single_add_fiber_array_7514afdd-loopback1
+      - rings,ring_single_add_fiber_array_7514afdd-loopback2
+      - rings,ring_single_add_fiber_array_114579ae-o1
+      - rings,ring_single_add_fiber_array_114579ae-o2
+      - rings,ring_single_add_fiber_array_114579ae-loopback1
+      - rings,ring_single_add_fiber_array_114579ae-loopback2
+      - rings,ring_single_add_fiber_array_18bb78d9-o1
+      - rings,ring_single_add_fiber_array_18bb78d9-o2
+      - rings,ring_single_add_fiber_array_18bb78d9-loopback1
+      - rings,ring_single_add_fiber_array_18bb78d9-loopback2
       - mzis,0_0-o1
       - mzis,0_0-o2
       - mzis,0_0-loopback1

test-data-regression/test_settings_add_electrical_pads_shortest_.yml

@@ -1,7 +1,7 @@
 function: add_electrical_pads_shortest
 info: {}
 module: gdsfactory.routing.add_electrical_pads_shortest
-name: mzi_add_electrical_pads_shortest_735a9dd9
+name: mzi_add_electrical_pads_shortest_componentmzi_2e88f57c
 settings:
   component:
     function: mzi

test-data-regression/test_settings_add_electrical_pads_top_.yml

@@ -1,7 +1,7 @@
 function: add_electrical_pads_top
 info: {}
 module: gdsfactory.routing.add_electrical_pads_top
-name: mzi_add_electrical_pads_top_735a9dd9
+name: mzi_add_electrical_pads_top_componentmzi_2e88f57c
 settings:
   component:
     function: mzi

test-data-regression/test_settings_add_fiber_single_.yml

@@ -1,7 +1,7 @@
 function: add_fiber_single
 info: {}
 module: gdsfactory.routing.add_fiber_single
-name: mzi_add_fiber_single_735a9dd9
+name: mzi_add_fiber_single_componentmzi_2e88f57c
 settings:
   bend:
     function: bend_euler

test-data-regression/test_settings_add_padding_container_.yml

@@ -1,7 +1,7 @@
 function: container
 info: {}
 module: gdsfactory.cell
-name: mzi_container_af4e3ad7
+name: mzi_container_f93074c0
 settings:
   component:
     function: mzi

test-data-regression/test_settings_add_pads_bot_.yml

@@ -1,7 +1,7 @@
 function: add_pads_bot
 info: {}
 module: gdsfactory.routing.add_pads
-name: mzi_add_pads_bot_735a9dd9
+name: mzi_add_pads_bot_componentmzi_2e88f57c
 settings:
   bend: wire_corner
   component:

test-data-regression/test_settings_add_pads_top_.yml

@@ -1,7 +1,7 @@
 function: add_pads_top
 info: {}
 module: gdsfactory.routing.add_pads
-name: add_pads_bot_add_pads_top_735a9dd9
+name: add_pads_bot_add_pads_top_componentmzi_2e88f57c
 settings:
   component:
     function: mzi