feat: add preset for dataset

legacy/src/lcr_connector/dataset.py

@@ -72,6 +72,83 @@ class Dataset:
             legal_lines = filter(lambda line: line != "", (line.strip() for line in f))
             return Dataset.from_iterable(legal_lines)
 
+    @staticmethod
+    def resistor_preset() -> "Dataset":
+        return Dataset.from_iterable(
+            (
+                "100",
+                "220",
+                "270",
+                "390",
+                "470",
+                "680",
+                "1k",
+                "1.2k",
+                "1.5k",
+                "2.2k",
+                "3.3k",
+                "4.7k",
+                "6.8k",
+                "10k",
+                "47k",
+                "100k",
+                "1M",
+            )
+        )
+
+    @staticmethod
+    def capacitor_preset() -> "Dataset":
+        return Dataset.from_iterable(
+            (
+                "10p",
+                "22p",
+                "33p",
+                "47p",
+                "68p",
+                "100p",
+                "150p",
+                "220p",
+                "330p",
+                "470p",
+                "560p",
+                "1u",
+                "2.2u",
+                "3.3u",
+                "4.7u",
+                "10u",
+                "22u",
+                "47u",
+                "100u",
+                "220u",
+                "470u",
+            )
+        )
+
+    @staticmethod
+    def inductor_preset() -> "Dataset":
+        return Dataset.from_iterable(
+            (
+                "0.1u",
+                "0.15u",
+                "0.47u",
+                "0.68u",
+                "1u",
+                "1.5u",
+                "2.2u",
+                "3.3u",
+                "4.7u",
+                "6.8u",
+                "8.2u",
+                "10u",
+                "15u",
+                "22u",
+                "33u",
+                "47u",
+                "68u",
+                "100u",
+            )
+        )
+
     def __save(self) -> Iterator[str]:
         return map(lambda i: i.str_value, self.__values)
 
@@ -164,6 +241,14 @@ class DatasetCollection:
             Dataset.from_file(inductor),
         )
 
+    @staticmethod
+    def devices_preset() -> "DatasetCollection":
+        return DatasetCollection(
+            Dataset.resistor_preset(),
+            Dataset.capacitor_preset(),
+            Dataset.inductor_preset(),
+        )
+
     def save_iterator(self) -> tuple[Iterator[str], Iterator[str], Iterator[str]]:
         """
         Get the iterator of available standard values for resistor, capacitor and inductor respectively.