feat: typing for misc

Signed-off-by: exploreriii <133720349+exploreriii@users.noreply.github.com>

Author: exploreriii

examples/query_topic_message.py

@@ -3,7 +3,9 @@
 from datetime import datetime, timezone
 from dotenv import load_dotenv
 
-from hiero_sdk_python import Network, Client, TopicMessageQuery
+from hiero_sdk_python.client.network import Network
+from hiero_sdk_python.client.client import Client
+from hiero_sdk_python.query.topic_message_query import TopicMessageQuery
 
 load_dotenv()
 

src/hiero_sdk_python/__init__.py

@@ -163,7 +163,7 @@
     "TopicDeleteTransaction",
     "TopicId",
 
-    # Queries
+#     # Queries
     "TopicInfoQuery",
     "TopicMessageQuery",
     "TransactionGetReceiptQuery",
@@ -172,12 +172,12 @@
     "TokenNftInfoQuery",
     "TokenInfoQuery",
     "AccountInfoQuery",
-
-    # Address book
+    
+#     # Address book
     "Endpoint",
     "NodeAddress",
-
-    # Logger
+    
+#     # Logger
     "Logger",
     "LogLevel",
 

src/hiero_sdk_python/_deprecated.py

@@ -8,7 +8,7 @@ class _DeprecatedAliasesMixin:  # pylint: disable=too-few-public-methods
     emitting a FutureWarning at use.
     """
 
-    _ALIASES = {
+    _ALIASES: dict[str, str] = {
         "tokenId": "token_id",
         "totalSupply": "total_supply",
         "isDeleted": "is_deleted",
@@ -34,7 +34,7 @@ class _DeprecatedAliasesMixin:  # pylint: disable=too-few-public-methods
         "fileId": "file_id"
     }
 
-    def __getattr__(self, name):
+    def __getattr__(self, name: str) -> object:
         try:
             snake = self._ALIASES[name]
         except KeyError as exc:
@@ -49,7 +49,7 @@ def __getattr__(self, name):
         )
         return getattr(self, snake)
 
-    def __setattr__(self, name, value):
+    def __setattr__(self, name: str, value: object) -> None:
         # intercept legacy writes
         if name in self._ALIASES:
             snake = self._ALIASES[name]

src/hiero_sdk_python/client/network.py

@@ -1,6 +1,6 @@
 """Network module for managing Hedera SDK connections."""
 import secrets
-from typing import Dict, List
+from typing import Dict, List, Optional, Any
 
 import requests
 
@@ -64,9 +64,9 @@ class Network:
     def __init__(
         self,
         network: str = 'testnet',
-        nodes: list[_Node] = None,
-        mirror_address: str = None,
-    ):
+        nodes: Optional[List[_Node]] = None,
+        mirror_address: Optional[str] = None,
+    ) -> None:
         """
         Initializes the Network with the specified network name or custom config.
 
@@ -85,16 +85,20 @@ def __init__(
         )
 
         if nodes is not None:
-            self.nodes: List[_Node] = nodes
+            final_nodes = nodes
         elif self.network in ('solo', 'localhost', 'local'):
-            self.nodes: List[_Node] = self._fetch_nodes_from_default_nodes()
+            final_nodes = self._fetch_nodes_from_default_nodes()
         else:
-            self.nodes: List[_Node] = self._fetch_nodes_from_mirror_node()
-            if not self.nodes and self.network in self.DEFAULT_NODES:
-                self.nodes = self._fetch_nodes_from_default_nodes()
-            elif not self.nodes:
+            fetched = self._fetch_nodes_from_mirror_node()
+            if not fetched and self.network in self.DEFAULT_NODES:
+                final_nodes = self._fetch_nodes_from_default_nodes()
+            elif fetched:
+                final_nodes = fetched
+            else:
                 raise ValueError(f"No default nodes for network='{self.network}'")
 
+        self.nodes: List[_Node] = final_nodes
+
         self._node_index: int = secrets.randbelow(len(self.nodes))
         self.current_node: _Node = self.nodes[self._node_index]
 
@@ -104,7 +108,7 @@ def _fetch_nodes_from_mirror_node(self) -> List[_Node]:
         Returns:
             list: A list of _Node objects.
         """
-        base_url: str = self.MIRROR_NODE_URLS.get(self.network)
+        base_url: Optional[str] = self.MIRROR_NODE_URLS.get(self.network)
         if not base_url:
             print(f"No known mirror node URL for network='{self.network}'. Skipping fetch.")
             return []
@@ -114,7 +118,7 @@ def _fetch_nodes_from_mirror_node(self) -> List[_Node]:
         try:
             response: requests.Response = requests.get(url, timeout=30) # Add 30 second timeout
             response.raise_for_status()
-            data: dict = response.json()
+            data: Dict[str, Any] = response.json()
 
             nodes: List[_Node] = []
             # Process each node from the mirror node API response

src/hiero_sdk_python/executable.py

@@ -28,7 +28,7 @@ class _Method:
 
     def __init__(
         self,
-        query_func: Callable = None,
+        query_func: Optional[Callable[..., Any]] = None,
         transaction_func: Optional[Callable[..., Any]] = None,
     ):
         """

src/hiero_sdk_python/response_code.py

@@ -350,18 +350,21 @@ class ResponseCode(IntEnum):
     MAX_CUSTOM_FEES_IS_NOT_SUPPORTED = 387
 
     @classmethod
-    def _missing_(cls,value):
+    def _missing_(cls, value: object) -> "ResponseCode":
         """
         Handles cases where an integer value does not match any ResponseCode member
         and returns 'UNKNOWN_CODE_<value>'.
         """
-        unknown = int.__new__(cls,value)
+        if not isinstance(value, int):
+            raise ValueError(f"{value!r} is not a valid {cls.__name__}")
+
+        unknown = int.__new__(cls, value)
         unknown._name_ = f'UNKNOWN_CODE_{value}'
         unknown._value_ = value
         return unknown
 
     @classmethod
-    def get_name(cls,code):
+    def get_name(cls,code: int) -> str:
         """
         Returns the name of the response code.
         """