export metadata as json

gdsfactory/component.py

@@ -20,6 +20,7 @@
 
 import gdstk
 import numpy as np
+import orjson
 import yaml
 from omegaconf import DictConfig
 
@@ -1811,6 +1812,7 @@
         logging: bool = True,
         with_oasis: bool = False,
         with_metadata: bool = False,
+        with_metadata_json: bool = False,
         with_netlist: bool = False,
         netlist_function: Callable | None = None,
         **kwargs,
@@ -1825,6 +1827,7 @@
             logging: disable GDS path logging, for example for showing it in KLayout.
             with_oasis: If True, file will be written to OASIS. Otherwise, file will be written to GDS.
             with_metadata: writes metadata in YAML format.
+            with_metadata_json: writes metadata in JSON format.
             with_netlist: writes netlist in JSON format.
             netlist_function: The netlist function to use. You can compose a partial function with the `get_netlist` function for example with your parameters.
 
@@ -1962,6 +1965,12 @@
             metadata = gdspath.with_suffix(".yml")
             metadata.write_text(self.to_dict_yaml(with_cells=True, with_ports=True))
             logger.info(f"Write YAML metadata to {str(metadata)!r}")
+        if with_metadata_json:
+            metadata = gdspath.with_suffix(".json")
+            metadata.write_bytes(
+                orjson.dumps(self.to_dict(with_cells=True, with_ports=True))
+            )
+            logger.info(f"Write JSON metadata to {str(metadata)!r}")
 
         if with_netlist:
             """

gdsfactory/read/import_gds.py

@@ -4,6 +4,7 @@
 
 import gdstk
 import numpy as np
+import orjson
 from omegaconf import OmegaConf
 
 from gdsfactory.cell import cell_import_gds
@@ -18,6 +19,7 @@
     cellname: str | None = None,
     gdsdir: str | Path | None = None,
     read_metadata: bool = False,
+    read_metadata_json: bool = False,
     keep_name_short: bool = False,
     unique_names: bool = True,
     max_name_length: int = 250,
@@ -32,6 +34,7 @@
         cellname: cell of the name to import. None imports top cell.
         gdsdir: optional GDS directory.
         read_metadata: loads metadata (ports, settings) if it exists in YAML format.
+        read_metadata_json: loads metadata (ports, settings) if it exists in JSON format.
         keep_name_short: appends a hash to a shortened component name.
         unique_names: appends $ with a number to the name if the cell name is on CACHE. \
                 This avoids name collisions when importing multiple times the same cell name.
@@ -43,6 +46,7 @@
         raise FileNotFoundError(f"No file {str(gdspath)!r} found")
 
     metadata_filepath = gdspath.with_suffix(".yml")
+    metadata_json_filepath = gdspath.with_suffix(".json")
 
     if gdspath.suffix.lower() == ".gds":
         gdsii_lib = gdstk.read_gds(str(gdspath))
@@ -138,6 +142,34 @@
                         port_type=port.port_type,
                     )
 
+    if read_metadata_json and metadata_json_filepath.exists():
+        logger.info(f"Read JSON metadata from {metadata_json_filepath}")
+        metadata = orjson.loads(open(metadata_json_filepath, "rb").read())
+
+        if "settings" in metadata:
+            if metadata.get("settings", {}):
+                component.settings = CellSettings(**metadata["settings"])
+
+        if "info" in metadata:
+            if metadata["info"]:
+                component.info = Info(**metadata["info"])
+        if "function" in metadata:
+            component.function_name = metadata["function"]
+        if "module" in metadata:
+            component.module = metadata["module"]
+
+        if "ports" in metadata:
+            for port_name, port in metadata["ports"].items():
+                if port_name not in component.ports:
+                    component.add_port(
+                        name=port_name,
+                        center=np.array(port["center"], dtype="float64"),
+                        width=port["width"],
+                        orientation=port["orientation"],
+                        layer=tuple(port["layer"]),
+                        port_type=port["port_type"],
+                    )
+
     for k, v in kwargs.items():
         component.info[k] = v
     component.imported_gds = True