Merge branch '3.1' into mypy-agent

gns3server/agent/gns3_copilot/agent/context_manager.py

@@ -140,7 +140,7 @@ def estimate_tool_tokens(tools: list[Any]) -> int:
     for tool in tools:
         try:
             # Build tool schema in OpenAI format
-            tool_schema = {
+            tool_schema: dict[str, Any] = {
                 "type": "function",
                 "function": {
                     "name": tool.name,

gns3server/agent/gns3_copilot/agent/model_factory.py

@@ -110,7 +110,7 @@ def create_base_model(
 
     try:
         # Prepare parameters for init_chat_model
-        init_params = {
+        init_params: dict[str, Any] = {
             "model": config_vars["model_name"],
             "model_provider": config_vars["model_provider"],
             "api_key": config_vars["api_key"],
@@ -177,7 +177,7 @@ def create_title_model(
 
     try:
         # Prepare parameters for init_chat_model
-        init_params = {
+        init_params: dict[str, Any] = {
             "model": config_vars["model_name"],
             "model_provider": config_vars["model_provider"],
             "api_key": config_vars["api_key"],

gns3server/agent/gns3_copilot/gns3_client/connector_factory.py

@@ -347,7 +347,7 @@ def get_gns3_server_host() -> str:
         host = get_gns3_server_host()
         print(f"GNS3 server host: {host}")
     """
-    url = _detect_url_for_api()
+    url = _detect_url_for_api() or DEFAULT_GNS3_URL
 
     # Extract host from URL
     # URL format: protocol://host:port

gns3server/agent/gns3_copilot/gns3_client/project_inventory.py

@@ -49,7 +49,7 @@ def build_nodes_inventory(nodes: list[dict[str, Any]], server_host: str | None)
     """
     inventory: dict[str, Any] = {}
     for n in nodes:
-        inventory[n.get("name")] = {
+        inventory[n.get("name") or ""] = {
             "server": server_host,
             "name": n.get("name"),
             "node_id": n.get("node_id"),
@@ -68,7 +68,7 @@ def build_nodes_inventory(nodes: list[dict[str, Any]], server_host: str | None)
     return inventory
 
 
-def build_links_summary(nodes: list[dict[str, Any]], links: list[dict[str, Any]]) -> list[dict[str, str]]:
+def build_links_summary(nodes: list[dict[str, Any]], links: list[dict[str, Any]]) -> list[dict[str, Any]]:
     """
     Build a human/LLM-friendly link list resolving node and port names.
 
@@ -76,7 +76,7 @@ def build_links_summary(nodes: list[dict[str, Any]], links: list[dict[str, Any]]
     Links whose endpoints cannot be resolved are skipped, mirroring the
     original Project.links_summary behavior.
     """
-    summary: list[dict[str, str]] = []
+    summary: list[dict[str, Any]] = []
     for link in links:
         if not link.get("nodes"):
             continue

gns3server/agent/gns3_copilot/skills/loader.py

@@ -248,7 +248,7 @@ class SkillsLoader:
                     continue
                 # Use device_type from YAML content as the key
                 # Fallback to filename stem if device_type not present
-                skill_key = skill_data.get("device_type") if isinstance(skill_data, dict) else None
+                skill_key = skill_data.get("device_type")
                 if not skill_key:
                     skill_key = yaml_file.stem
                     logger.warning(f"No device_type in {yaml_file}, using filename '{skill_key}' as key")

gns3server/agent/gns3_copilot/skills/manager.py

@@ -37,8 +37,10 @@ from typing import Optional, Dict, Any
 
 try:
     import git
+
+    GIT_AVAILABLE = True
 except ImportError:
-    git = None
+    GIT_AVAILABLE = False
 
 from gns3server.config import Config
 from .loader import SkillsLoader
@@ -66,7 +68,7 @@ class SkillsManager:
     - Version tracking
     """
 
-    def __init__(self, repo_url: str = None, branch: str = "main", auto_update: bool = False):
+    def __init__(self, repo_url: Optional[str] = None, branch: str = "main", auto_update: bool = False):
         """
         Initialize the skills manager.
 
@@ -90,7 +92,7 @@ class SkillsManager:
         self._repo: Optional["git.Repo"] = None
         self._prompt_count = 0
 
-        if git is None:
+        if not GIT_AVAILABLE:
             logger.warning("GitPython is not installed. Skills management features will be limited.")
 
     def initialize(self) -> bool:
@@ -134,7 +136,7 @@ class SkillsManager:
         - Up to date → nothing
         - Network error → use existing files, log warning
         """
-        if git is None or self._repo is None:
+        if not GIT_AVAILABLE or self._repo is None:
             return
 
         # Check for uncommitted changes
@@ -173,7 +175,7 @@ class SkillsManager:
         Returns:
             True if successful, False otherwise
         """
-        if git is None:
+        if not GIT_AVAILABLE:
             logger.error("GitPython is not installed. Cannot clone repository.")
             return False
 
@@ -347,7 +349,7 @@ class SkillsManager:
         Returns:
             Commit hash as string, or empty string if not available
         """
-        if git is None or self._repo is None:
+        if not GIT_AVAILABLE or self._repo is None:
             try:
                 self._repo = git.Repo(self.local_path)
             except Exception:
@@ -409,7 +411,7 @@ class SkillsManager:
         Returns:
             True if successful, False otherwise
         """
-        if git is None:
+        if not GIT_AVAILABLE:
             logger.error("GitPython is not installed. Cannot rollback.")
             return False
 
@@ -436,7 +438,7 @@ class SkillsManager:
         Returns:
             List of commit information dictionaries
         """
-        if git is None:
+        if not GIT_AVAILABLE:
             return []
 
         try:

gns3server/agent/gns3_copilot/tools_v2/config_tools_nornir.py

@@ -78,7 +78,7 @@ try:
     # so we use importlib to get the actual module
     import importlib
 
-    sd = importlib.import_module("netmiko.ssh_dispatcher")
+    sd: Any = importlib.import_module("netmiko.ssh_dispatcher")
 
     # Recalculate platforms lists to include custom device types
     sd.platforms = list(sd.CLASS_MAPPER.keys())
@@ -196,7 +196,7 @@ class ExecuteMultipleDeviceConfigCommands(BaseTool):
 
         # Validate input
         device_configs_list, project_id = self._validate_tool_input(tool_input)
-        if isinstance(device_configs_list, list) and len(device_configs_list) > 0 and "error" in device_configs_list[0]:
+        if len(device_configs_list) > 0 and "error" in device_configs_list[0]:
             return device_configs_list
 
         # Filter forbidden commands and store blocked commands info

gns3server/agent/gns3_copilot/tools_v2/display_tools_nornir.py

@@ -78,7 +78,7 @@ try:
     # so we use importlib to get the actual module
     import importlib
 
-    sd = importlib.import_module("netmiko.ssh_dispatcher")
+    sd: Any = importlib.import_module("netmiko.ssh_dispatcher")
 
     # Recalculate platforms lists to include custom device types
     sd.platforms = list(sd.CLASS_MAPPER.keys())
@@ -199,7 +199,7 @@ class ExecuteMultipleDeviceCommands(BaseTool):
 
         # Validate input
         device_configs_list, project_id = self._validate_tool_input(tool_input)
-        if isinstance(device_configs_list, list) and len(device_configs_list) > 0 and "error" in device_configs_list[0]:
+        if len(device_configs_list) > 0 and "error" in device_configs_list[0]:
             return device_configs_list
 
         # Filter forbidden commands and store blocked commands info

gns3server/agent/gns3_copilot/tools_v2/gns3_packet_filter.py

@@ -286,7 +286,7 @@ class GNS3PacketFilterTool(BaseTool):
 
             # Check if output contains "Invalid" indicating syntax error
             if "Invalid" in result.stdout or "Invalid" in result.stderr:
-                error_lines = []
+                error_lines: list[str] = []
                 if "Invalid" in result.stderr:
                     error_lines.extend(line for line in result.stderr.split("\n") if "Invalid" in line)
                 if "Invalid" in result.stdout:

gns3server/agent/gns3_copilot/tools_v2/packet_analysis_tool.py

@@ -143,7 +143,8 @@ class PacketAnalysisTool(BaseTool):
                 stderr=subprocess.DEVNULL,
                 text=True,
             )
-            tshark.stdout.close()
+            if tshark.stdout is not None:
+                tshark.stdout.close()
             stdout, _ = grep.communicate(timeout=30)
             tshark.wait(timeout=5)
         except Exception as e:

gns3server/agent/gns3_copilot/tools_v2/vpcs_tools_netmiko.py

@@ -68,7 +68,7 @@ try:
     # CRITICAL: Update netmiko.ssh_dispatcher platforms lists
     import importlib
 
-    sd = importlib.import_module("netmiko.ssh_dispatcher")
+    sd: Any = importlib.import_module("netmiko.ssh_dispatcher")
 
     # Recalculate platforms lists to include custom device types
     sd.platforms = list(sd.CLASS_MAPPER.keys())
@@ -179,7 +179,7 @@ class VPCSCommands(BaseTool):
 
         # Validate input
         device_configs_list, project_id = self._validate_tool_input(tool_input)
-        if isinstance(device_configs_list, list) and len(device_configs_list) > 0 and "error" in device_configs_list[0]:
+        if len(device_configs_list) > 0 and "error" in device_configs_list[0]:
             return device_configs_list
 
         # Create a mapping of device names to their commands
@@ -386,7 +386,7 @@ class VPCSCommands(BaseTool):
     def _prepare_device_hosts_data(
         self,
         device_configs_list: list[dict[str, Any]],
-        project_id: str,
+        project_id: str | None,
         jwt_token: str | None = None,
         url: str | None = None,
     ) -> dict[str, dict[str, Any]]:
@@ -415,7 +415,7 @@ class VPCSCommands(BaseTool):
         device_ports = get_device_ports_from_topology(device_names, project_id=project_id, jwt_token=jwt_token, url=url)
 
         # Build Nornir inventory hosts data
-        hosts_data = {}
+        hosts_data: dict[str, Any] = {}
         for device_name in device_names:
             if device_name not in device_ports:
                 logger.error("Device '%s' not found in topology", device_name)

gns3server/agent/gns3_copilot/utils/message_converters.py

@@ -37,6 +37,7 @@ from typing import Dict
 from langchain_core.messages import AIMessage
 from langchain_core.messages import HumanMessage
 from langchain_core.messages import SystemMessage
+from langchain_core.messages import ToolCall
 from langchain_core.messages import ToolMessage
 
 
@@ -86,7 +87,7 @@ def convert_langchain_to_openai(lc_message) -> Dict[str, Any]:
             tool_calls = []
             for tc in lc_message.tool_calls:
                 # Convert to dict if it's an object
-                tc_dict = tc if isinstance(tc, dict) else tc.model_dump()
+                tc_dict = tc
                 tool_calls.append(
                     {
                         "id": tc_dict.get("id", str(uuid.uuid4())),
@@ -139,7 +140,7 @@ def convert_openai_to_langchain(msg: Dict[str, Any]):
 
         # Restore tool calls if present
         if "tool_calls" in msg and msg["tool_calls"]:
-            tool_calls = []
+            tool_calls: list[ToolCall] = []
             for tc in msg["tool_calls"]:
                 tool_calls.append(
                     {

gns3server/agent/gns3_copilot/utils/parse_tool_content.py

@@ -214,9 +214,7 @@ def parse_tool_content(
         return content
 
     # Handle unsupported types
-    error_msg = (  # type: ignore[unreachable]
-        f"Content must be str, dict, list, int, float, bool, or None, got {type(content).__name__}"
-    )
+    error_msg = f"Content must be str, dict, list, int, float, bool, or None, got {type(content).__name__}"
     logger.error(error_msg)
 
     if strict_mode: