feat: Add deprecation warning on reload() and done() (#378)

stock_indicators/indicators/common/results.py

@@ -1,5 +1,6 @@
 from datetime import datetime as PyDateTime
 from typing import Callable, Iterable, List, Optional, Type, TypeVar
+from warnings import warn
 
 from stock_indicators._cslib import CsResultBase
 from stock_indicators._cstypes import DateTime as CsDateTime
@@ -35,8 +36,10 @@ def __init__(self, data: Iterable, wrapper_class: Type[_T]):
     def reload(self):
         """
         Reload a C# array of the results to perform more operations.
-        It is usually called after `done()`
+        It is usually called after `done()`.
+        This method is deprecated. It will be removed in the next version.
         """
+        warn('This method is deprecated.', DeprecationWarning, stacklevel=2)
         if self._csdata is None:
             self._csdata = [ _._csdata for _ in self ]
         return self
@@ -45,7 +48,9 @@ def done(self):
         """
         Remove a C# array of the results after finishing all operations.
         It is not necessary but saves memory.
+        This method is deprecated. It will be removed in the next version.
         """
+        warn('This method is deprecated.', DeprecationWarning, stacklevel=2)
         self._csdata = None
         return self
 

stock_indicators/indicators/gator.py

@@ -32,8 +32,7 @@ def get_gator(quotes):
         results = CsIndicator.GetGator[Quote](CsList(Quote, quotes))
     else:
         # Get C# objects.
-        if isinstance(quotes, IndicatorResults):
-            quotes.reload()
+        if isinstance(quotes, IndicatorResults) and quotes._csdata is not None:
             cs_results = quotes._csdata
         else:
             cs_results = [ q._csdata for q in quotes ]