optz

py-client/sdk/models.py

@@ -1,7 +1,10 @@
-from __future__ import annotations
 from datetime import datetime
 from dataclasses import dataclass, field
 from typing import Any
+from functools import lru_cache
+
+
+_SIDES = {"23": "BUY", "24": "SELL", "48": "BUY", "49": "SELL"}
 
 
 def _number(value: Any, kind: type = float) -> Any:
@@ -40,6 +43,9 @@ class OrderItem:
     def get_local_order_id(self) -> str:
         return self.remark.split("|", 1)[0]
 
+    # Keep the existing property name available to SDK callers.
+    local_order_id = get_local_order_id
+
     @property
     def created_at(self) -> datetime | None:
         return _parse_datetime(self.insert_date, self.insert_time)
@@ -71,6 +77,8 @@ class DealItem:
     def get_local_order_id(self) -> str:
         return self.remark.split("|", 1)[0]
 
+    local_order_id = get_local_order_id
+
 
 @dataclass(slots=True)
 class PositionItem:
@@ -111,9 +119,10 @@ class Portfolio:
 
 
 def _side(offset_flag: int) -> str:
-    return {"23": "BUY", "24": "SELL", "48": "BUY", "49": "SELL"}.get(str(offset_flag), "")
+    return _SIDES.get(str(offset_flag), "")
 
 
+@lru_cache(maxsize=4096)
 def _parse_datetime(date: str, clock: str) -> datetime | None:
     clock = clock.replace(":", "").zfill(6)
     try:
@@ -129,7 +138,7 @@ class Tick:
     raw: dict[str, Any] = field(default_factory=dict)
 
     @classmethod
-    def from_dict(cls, data: Any) -> "Tick":
+    def from_dict(cls, data: Any) -> Tick:
         if not isinstance(data, dict):
             return cls()
         return cls(