make CORNERSTONE package support all the different pdks

.github/write_components_plot.py

@@ -1,7 +1,7 @@
 import inspect
 
-from cspdk import _cells as cells
-from cspdk.config import PATH
+from cspdk.si220 import _cells as cells
+from cspdk.si220.config import PATH
 
 filepath = PATH.repo / "docs" / "cells.rst"
 
@@ -15,10 +15,7 @@
     f.write(
         """
 
-Here are the components available in the PDK
-
-
-Cells
+Cells Si220
 =============================
 """
     )
@@ -43,7 +40,7 @@
 {name}
 ----------------------------------------------------
 
-.. autofunction:: cspdk.cells.{name}
+.. autofunction:: cspdk.si220.cells.{name}
 
 """
             )
@@ -54,14 +51,14 @@
 {name}
 ----------------------------------------------------
 
-.. autofunction:: cspdk.cells.{name}
+.. autofunction:: cspdk.si220.cells.{name}
 
 .. plot::
   :include-source:
 
   import cspdk
 
-  c = cspdk.cells.{name}({kwargs})
+  c = cspdk.si220.cells.{name}({kwargs})
   c.plot()
 
 """

cspdk/__init__.py

@@ -1,42 +0,0 @@
-from gdsfactory.cross_section import get_cross_sections
-from gdsfactory.get_factories import get_cells
-from gdsfactory.pdk import Pdk
-
-from cspdk import cells, config, tech
-from cspdk.cells import _bend, _straight, _taper
-from cspdk.config import PATH
-from cspdk.models import get_models
-from cspdk.tech import LAYER, LAYER_STACK, LAYER_VIEWS, routing_strategies
-
-_models = get_models()
-_cells = get_cells(cells)
-_cells.update(
-    {
-        "_straight": _straight,
-        "_bend": _bend,
-        "_taper": _taper,
-    }
-)
-_cross_sections = get_cross_sections(tech)
-PDK = Pdk(
-    name="cornerstone",
-    cells=_cells,
-    cross_sections=_cross_sections,
-    layers=dict(LAYER),
-    layer_stack=LAYER_STACK,
-    layer_views=LAYER_VIEWS,
-    models=_models,
-    routing_strategies=routing_strategies,
-)
-PDK.activate()
-
-__all__ = [
-    "LAYER",
-    "LAYER_STACK",
-    "LAYER_VIEWS",
-    "PATH",
-    "cells",
-    "config",
-    "tech",
-]
-__version__ = "0.7.0"

cspdk/si220/__init__.py

@@ -0,0 +1,42 @@
+from gdsfactory.cross_section import get_cross_sections
+from gdsfactory.get_factories import get_cells
+from gdsfactory.pdk import Pdk
+
+from cspdk.si220 import cells, config, tech
+from cspdk.si220.cells import _bend, _straight, _taper
+from cspdk.si220.config import PATH
+from cspdk.si220.models import get_models
+from cspdk.si220.tech import LAYER, LAYER_STACK, LAYER_VIEWS, routing_strategies
+
+_models = get_models()
+_cells = get_cells(cells)
+_cells.update(
+    {
+        "_straight": _straight,
+        "_bend": _bend,
+        "_taper": _taper,
+    }
+)
+_cross_sections = get_cross_sections(tech)
+PDK = Pdk(
+    name="cornerstone",
+    cells=_cells,
+    cross_sections=_cross_sections,
+    layers=dict(LAYER),
+    layer_stack=LAYER_STACK,
+    layer_views=LAYER_VIEWS,
+    models=_models,
+    routing_strategies=routing_strategies,
+)
+PDK.activate()
+
+__all__ = [
+    "LAYER",
+    "LAYER_STACK",
+    "LAYER_VIEWS",
+    "PATH",
+    "cells",
+    "config",
+    "tech",
+]
+__version__ = "0.7.0"

cspdk/cells.py → cspdk/si220/cells.py

@@ -4,8 +4,8 @@
 import gdsfactory as gf
 from gdsfactory.typings import ComponentSpec, CrossSectionSpec, LayerSpec
 
-from cspdk.config import PATH
-from cspdk.tech import LAYER, xs_nc, xs_no, xs_rc, xs_ro, xs_sc, xs_so
+from cspdk.si220.config import PATH
+from cspdk.si220.tech import LAYER, xs_nc, xs_no, xs_rc, xs_ro, xs_sc, xs_so
 
 ################
 # Straights

cspdk/config.py → cspdk/si220/config.py

@@ -7,7 +7,7 @@
 cwd = pathlib.Path.cwd()
 cwd_config = cwd / "config.yml"
 module = pathlib.Path(__file__).parent.absolute()
-repo = module.parent
+repo = module.parent.parent
 
 
 class Path:

cspdk/samples/circuit_simulations.py → cspdk/si220/samples/circuit_simulations.py

@@ -3,7 +3,7 @@
 import sax
 
 import cspdk
-from cspdk import PDK
+from cspdk.si220 import PDK
 
 if __name__ == "__main__":
     c = cspdk.cells.mzi_sc(delta_length=100)

cspdk/samples/circuit_simulations_with_routing.py → cspdk/si220/samples/circuit_simulations_with_routing.py

@@ -3,15 +3,14 @@
 import matplotlib.pyplot as plt
 import sax
 
-import cspdk
-from cspdk import PDK
+from cspdk.si220 import PDK, cells, tech
 
 if __name__ == "__main__":
     c = gf.Component()
-    mzi1 = c << cspdk.cells.mzi_sc(delta_length=10)
-    mzi2 = c << cspdk.cells.mzi_sc(delta_length=100)
+    mzi1 = c << cells.mzi_sc(delta_length=10)
+    mzi2 = c << cells.mzi_sc(delta_length=100)
     mzi2.move((200, 200))
-    route = cspdk.tech.get_route_sc(mzi1.ports["o2"], mzi2.ports["o1"])
+    route = tech.get_route_sc(mzi1.ports["o2"], mzi2.ports["o1"])
     c.add(route.references)
     c.add_port(name="o1", port=mzi1.ports["o1"])
     c.add_port(name="o2", port=mzi2.ports["o2"])

cspdk/samples/component_from_yaml.py → cspdk/si220/samples/component_from_yaml.py

@@ -1,6 +1,6 @@
 sample_pads = """
 name: pads
-pdk: cspdk
+pdk: cspdk.si220
 
 instances:
     bl:

cspdk/samples/get_route.py → cspdk/si220/samples/get_route.py

@@ -2,15 +2,15 @@
 
 import gdsfactory as gf
 
-import cspdk
+from cspdk.si220 import cells, tech
 
 if __name__ == "__main__":
     c = gf.Component("sample_connect")
-    mmi1 = c << cspdk.cells.mmi1x2_nc()
-    mmi2 = c << cspdk.cells.mmi1x2_nc()
+    mmi1 = c << cells.mmi1x2_nc()
+    mmi2 = c << cells.mmi1x2_nc()
     mmi2.move((500, 50))
 
-    route = cspdk.tech.get_route_nc(
+    route = tech.get_route_nc(
         mmi1.ports["o3"],
         mmi2.ports["o1"],
     )

cspdk/tech.py → cspdk/si220/tech.py

@@ -9,7 +9,7 @@
 from gdsfactory.technology import LayerLevel, LayerMap, LayerStack, LayerViews
 from gdsfactory.typings import ConnectivitySpec, Layer
 
-from cspdk.config import PATH
+from cspdk.si220.config import PATH
 
 nm = 1e-3