feat: update legacy

legacy/dataset.py

@@ -1,6 +1,6 @@
 from typing import Iterable
 from pathlib import Path
-from .common import LcrConnException
+from common import LcrConnException
 
 
 class Dataset:

legacy/lcr_connector.py

@@ -1,36 +1,245 @@
-from .common import LcrConnException, Circuit, JointKind, to_human_readable_value
+import enum
+import argparse
+from dataclasses import dataclass
+from pathlib import Path
+from typing import TypeVar, cast
+from common import Circuit, CircuitDeviceScale, JointKind
+from dataset import (
+    DatasetCollection,
+    to_human_readable_value,
+    from_human_readable_value,
+)
+from query import Response
+from resolver import Resolver, LutResolver, AStarResolver
+
+_T = TypeVar("_T", bound=str)
 
 
-def _get_joint_kind_symbol(joint_kind: JointKind) -> str:
+class AppResolver(enum.StrEnum):
+    """
+    The resolver for the app.
+    """
+
+    LUT = "lut"
+    """The look-up table resolver."""
+    ASTAR = "astar"
+    """The A* resolver."""
+
+
+@dataclass
+class AppConfig:
+    """
+    The configuration for the app.
+    """
+
+    resolver: AppResolver
+    """The resolver for the app."""
+
+    resistor_dataset: Path
+    """The path to the resistor dataset file."""
+    capacitor_dataset: Path
+    """The path to the capacitor dataset file."""
+    inductor_dataset: Path
+    """The path to the inductor dataset file."""
+
+
+class App:
+    """
+    The app.
+    """
+
+    __config: AppConfig
+    """The configuration for the app."""
+    __dataset: DatasetCollection
+    """The dataset for the app."""
+    __resolver: Resolver
+    """The resolver for the app."""
+
+    def __init__(self, config: AppConfig) -> None:
+        self.__config = config
+        self.__dataset = DatasetCollection.from_file(
+            self.__config.resistor_dataset,
+            self.__config.capacitor_dataset,
+            self.__config.inductor_dataset,
+        )
+        match self.__config.resolver:
+            case AppResolver.LUT:
+                self.__resolver = LutResolver(self.__dataset)
+            case AppResolver.ASTAR:
+                self.__resolver = AStarResolver(self.__dataset)
+
+    def run(self) -> None:
+        """
+        Run the app.
+        """
+        print("LCR Connector")
+        print('Type "help" for more info. Type "exit" to quit.')
+        print("query: do a query.")
+        print("help: show all command.")
+        print("exit: exit this app.")
+
+        while True:
+            shit = self.__accept_command(("query", "help", "exit"))
+            match self.__accept_command(("query", "help", "exit")):
+                case "query":
+                    self.__op_query()
+                case "help":
+                    print("LCR Connector Help:")
+                    print("")
+                    print("query: do a query.")
+                    print("help: show all command.")
+                    print("exit: exit this app.")
+                case "exit":
+                    break
+
+    def __op_query(self) -> None:
+        pass
+
+    def __op_page_viewer(self, response: Response) -> None:
+        cnt = len(response)
+        if cnt == 0:
+            print("Sorry, no result!")
+            print("Please consider adjusting your requirements and try again.")
+            return
+
+        ITEMS_PER_PAGE: int = 10
+        all_page = cnt // ITEMS_PER_PAGE
+        current_page = 0
+
+        while True:
+            # print list
+            for i in range(ITEMS_PER_PAGE - 1):
+                # build index and check it
+                index = current_page * (ITEMS_PER_PAGE - 1) + i
+                if index >= cnt:
+                    continue
+                # fetch item and print it
+                item = response[index]
+                print(
+                    "Plan {0}\t{1}\t{2:.2%}".format(
+                        index + 1,
+                        to_human_readable_value(item.value),
+                        item.relative_difference,
+                    )
+                )
+            # print page footer
+            print("")
+            print("Page {} of {}.".format(current_page + 1, all_page + 1))
+            print("f: previous page. b: next page. q: quit this viewer.")
+            # check command
+            match self.__accept_command(("f", "b", "q")):
+                case "f":
+                    current_page = max(0, current_page - 1)
+                case "b":
+                    current_page = min(all_page, current_page + 1)
+                case "q":
+                    break
+
+    def __accept_command(self, valid_commands: tuple[_T, ...]) -> _T:
+        while True:
+            print("> ", end=None)
+            words = input()
+            words = words.strip()
+            if words in valid_commands:
+                return cast(_T, words)
+            print("Unknown command, please try again.")
+
+    def __accept_value_input(self) -> float:
+        while True:
+            words = input()
+
+            try:
+                pending = from_human_readable_value(words)
+            except ValueError:
+                print("Wrong value, please try again.")
+                continue
+
+            if pending > 0:
+                return pending
+            else:
+                print("Value out of range, please try again.")
+
+    def __get_joint_kind_symbol(self, joint_kind: JointKind) -> str:
         match joint_kind:
             case JointKind.SERIES:
                 return "S"
             case JointKind.PARALLEL:
                 return "P"
 
-
+    def __illustrate_circuit(self, circuit: Circuit) -> None:
-def _illustrate_circuit(circuit: Circuit) -> None:
+        match circuit.device_scale:
-    match circuit.len_devices():
+            case CircuitDeviceScale.ONE:
-        case 1:
+                dev1 = to_human_readable_value(circuit.first_device_value)
-            dev1 = to_human_readable_value(circuit.__first_device_value)
                 print(f"{dev1}")
-        case 2:
+            case CircuitDeviceScale.TWO:
-            dev1 = to_human_readable_value(circuit.__first_device_value)
+                dev1 = to_human_readable_value(circuit.first_device_value)
-            joint1 = circuit.joints[0]
+                j2 = self.__get_joint_kind_symbol(circuit.second_device_joint)
-            j1 = _get_joint_kind_symbol(joint1.__joint_kind)
+                dev2 = to_human_readable_value(circuit.second_device_value)
-            dev2 = to_human_readable_value(joint1.__device_value)
+                print(f"[{j2}] ┬ {dev1}")
-            print(f"[{j1}] ┬ {dev1}")
                 print(f"    └ {dev2}")
-        case 3:
+            case CircuitDeviceScale.THREE:
-            dev1 = to_human_readable_value(circuit.__first_device_value)
+                dev1 = to_human_readable_value(circuit.first_device_value)
-            joint1 = circuit.joints[0]
+                j2 = self.__get_joint_kind_symbol(circuit.second_device_joint)
-            j1 = _get_joint_kind_symbol(joint1.__joint_kind)
+                dev2 = to_human_readable_value(circuit.second_device_value)
-            dev2 = to_human_readable_value(joint1.__device_value)
+                j3 = self.__get_joint_kind_symbol(circuit.third_device_joint)
-            joint2 = circuit.joints[1]
+                dev3 = to_human_readable_value(circuit.third_device_value)
-            j2 = _get_joint_kind_symbol(joint2.__joint_kind)
+                print(f"[{j3}] ┬ [{j2}] ┬ {dev1}")
-            dev3 = to_human_readable_value(joint2.__device_value)
-            print(f"[{j2}] ┬ [{j1}] ┬ {dev1}")
                 print(f"    │     └ {dev2}")
                 print(f"    └ {dev3}")
-        case _:
+
-            raise LcrConnException("Circuit too complex to illustrate")
+
+if __name__ == "__main__":
+    parser = argparse.ArgumentParser(
+        prog="LCR Connector",
+        description="Get the resistor, capacitor, or inductor circuit which has the closest value for your given value within at most 3 devices.",
+    )
+    parser.add_argument(
+        "-s",
+        "--resolver",
+        dest="resolver",
+        action="store",
+        type=AppResolver,
+        choices=[resolver.value for resolver in AppResolver],
+        required=True,
+        help="The resolver you want to use",
+    )
+    parser.add_argument(
+        "-r",
+        "--resistor",
+        dest="resistor_dataset",
+        action="store",
+        type=Path,
+        required=True,
+        help="The path to the resistor dataset file",
+        metavar="RESISTOR.TXT",
+    )
+    parser.add_argument(
+        "-l",
+        "--inductor",
+        dest="inductor_dataset",
+        action="store",
+        type=Path,
+        required=True,
+        help="The path to the inductor dataset file",
+        metavar="INDUCTOR.TXT",
+    )
+    parser.add_argument(
+        "-c",
+        "--capacitor",
+        dest="capacitor_dataset",
+        action="store",
+        type=Path,
+        required=True,
+        help="The path to the capacitor dataset file",
+        metavar="CAPACITOR.TXT",
+    )
+
+    args = parser.parse_args()
+    app_config = AppConfig(
+        resolver=args.resolver,
+        resistor_dataset=args.resistor_dataset,
+        capacitor_dataset=args.capacitor_dataset,
+        inductor_dataset=args.inductor_dataset,
+    )
+    app = App(app_config)
+    app.run()

legacy/query.py

@@ -2,7 +2,7 @@ import enum
 from functools import cached_property
 from dataclasses import dataclass
 from typing import Iterator
-from .common import DeviceKind, Circuit
+from common import DeviceKind, Circuit
 
 
 class ResponsePriority(enum.Enum):
@@ -103,7 +103,9 @@ class Response:
     """
     The collection of possible solutions given by the resolver.
 
-    For getting the response items, please use the iterator protocol.
+    For getting the response items, please use `response[index]`.
+    For iterating the response items, please use the iterator protocol.
+    For getting the count of response items, please use the ``len`` function.
     """
 
     __sorted_items: list[ResponseItem]
@@ -125,5 +127,11 @@ class Response:
         # Cut item by limit
         self.__sorted_items = self.__sorted_items[:request.count_limit]
 
+    def __getitem__(self, index: int) -> ResponseItem:
+        return self.__sorted_items[index]
+
+    def __len__(self) -> int:
+        return len(self.__sorted_items)
+
     def __iter__(self) -> Iterator[ResponseItem]:
         return iter(self.__sorted_items)