feat: enhance Obsidian API configuration with path support and implement async lifespan for server

src/mcp_obsidian/obsidian.py

@@ -11,6 +11,7 @@ class Obsidian():
             protocol: str = os.getenv('OBSIDIAN_PROTOCOL', 'https').lower(),
             host: str = str(os.getenv('OBSIDIAN_HOST', '127.0.0.1')),
             port: int = int(os.getenv('OBSIDIAN_PORT', '27124')),
+            path: str = '',
             verify_ssl: bool = False,
         ):
         self.api_key = api_key
@@ -22,6 +23,7 @@ class Obsidian():
 
         self.host = host
         self.port = port
+        self.path = path.rstrip('/')
         self.verify_ssl = verify_ssl
         self.timeout = (3, 6)
 
@@ -52,6 +54,7 @@ class Obsidian():
             protocol = parsed.scheme
             host = parsed.hostname
             port = parsed.port
+            path = parsed.path
             
             # Set default ports based on protocol if not specified
             if port is None:
@@ -62,20 +65,21 @@ class Obsidian():
                 protocol=protocol,
                 host=host,
                 port=port,
+                path=path,
                 verify_ssl=verify_ssl
             )
         except Exception as e:
             raise ValueError(f"Failed to parse OBSIDIAN_HOST URL '{url}': {str(e)}")
 
     @staticmethod
-    def parse_host_config(host_config: str) -> Tuple[str, str, int]:
+    def parse_host_config(host_config: str) -> Tuple[str, str, int, str]:
         """Parse host configuration string.
         
         Args:
             host_config: Either a full URL (http://host:port) or just hostname/IP
             
         Returns:
-            Tuple of (protocol, host, port)
+            Tuple of (protocol, host, port, path)
         """
         if '://' in host_config:
             # Full URL format
@@ -83,6 +87,7 @@ class Obsidian():
             protocol = parsed.scheme or 'https'
             host = parsed.hostname or '127.0.0.1'
             port = parsed.port or (27124 if protocol == 'https' else 27123)
+            path = parsed.path
         else:
             # Support legacy formats
             # 1) hostname/IP only
@@ -93,15 +98,17 @@ class Obsidian():
                 protocol = 'https'
                 host = parsed.hostname or '127.0.0.1'
                 port = parsed.port or 27124
+                path = ''
             else:
                 protocol = 'https'
                 host = host_config
                 port = 27124
+                path = ''
             
-        return protocol, host, port
+        return protocol, host, port, path
 
     def get_base_url(self) -> str:
-        return f'{self.protocol}://{self.host}:{self.port}'
+        return f'{self.protocol}://{self.host}:{self.port}{self.path}'
     
     def _get_headers(self) -> dict:
         headers = {

src/mcp_obsidian/server.py

@@ -5,7 +5,8 @@ from functools import lru_cache
 from typing import Any
 import os
 from dotenv import load_dotenv
-from mcp.server import Server
+from mcp.server import Server as MCPServer
+from contextlib import asynccontextmanager
 from mcp.types import (
     Tool,
     TextContent,
@@ -15,6 +16,7 @@ from mcp.types import (
 
 load_dotenv()
 
+from . import obsidian
 from . import tools
 
 # Load environment variables
@@ -23,11 +25,17 @@ from . import tools
 logging.basicConfig(level=logging.INFO)
 logger = logging.getLogger("mcp-obsidian")
 
-api_key = os.getenv("OBSIDIAN_API_KEY")
+@asynccontextmanager
-if not api_key:
+async def lifespan(app: MCPServer):
-    raise ValueError(f"OBSIDIAN_API_KEY environment variable required. Working directory: {os.getcwd()}")
+    api_key = os.getenv("OBSIDIAN_API_KEY")
+    if not api_key:
+        raise ValueError(f"OBSIDSIAN_API_KEY environment variable required. Working directory: {os.getcwd()}")
+    yield
 
-app = Server("mcp-obsidian")
+app = MCPServer(
+    "mcp-obsidian",
+    lifespan=lifespan,
+)
 
 tool_handlers = {}
 def add_tool_handler(tool_class: tools.ToolHandler):

src/mcp_obsidian/tools.py

@@ -9,19 +9,6 @@ import json
 import os
 from . import obsidian
 
-# Load environment variables
-api_key = os.getenv("OBSIDIAN_API_KEY", "")
-obsidian_host = os.getenv("OBSIDIAN_HOST", "https://127.0.0.1:27124")
-
-if api_key == "":
-    raise ValueError(f"OBSIDIAN_API_KEY environment variable required. Working directory: {os.getcwd()}")
-
-# Parse the OBSIDIAN_HOST configuration at module level for validation
-try:
-    protocol, host, port = obsidian.Obsidian.parse_host_config(obsidian_host)
-except ValueError as e:
-    raise ValueError(f"Invalid OBSIDIAN_HOST configuration: {str(e)}")
-
 def create_obsidian_api() -> obsidian.Obsidian:
     """Factory function to create Obsidian API instances.
     
@@ -34,12 +21,26 @@ def create_obsidian_api() -> obsidian.Obsidian:
     Raises:
         Exception: If configuration is invalid or instance creation fails
     """
+    # Load environment variables
+    api_key = os.getenv("OBSIDIAN_API_KEY", "")
+    obsidian_host = os.getenv("OBSIDIAN_HOST", "https://127.0.0.1:27124")
+
+    if api_key == "":
+        raise ValueError(f"OBSIDIAN_API_KEY environment variable required. Working directory: {os.getcwd()}")
+
+    # Parse the OBSIDIAN_HOST configuration at module level for validation
+    try:
+        protocol, host, port, path = obsidian.Obsidian.parse_host_config(obsidian_host)
+    except ValueError as e:
+        raise ValueError(f"Invalid OBSIDIAN_HOST configuration: {str(e)}")
+    
     try:
         return obsidian.Obsidian(
             api_key=api_key,
             protocol=protocol,
             host=host,
             port=port,
+            path=path,
             verify_ssl=False  # Default to False for local development
         )
     except Exception as e:

tests/integration_test.py

@@ -0,0 +1,40 @@
+import os
+import sys
+import unittest
+
+# Add the src directory to the Python path
+sys.path.insert(0, os.path.abspath(os.path.join(os.path.dirname(__file__), '../src')))
+
+from mcp_obsidian import obsidian
+
+class TestObsidianIntegration(unittest.TestCase):
+    def setUp(self):
+        """Set up the environment variables for the test."""
+        os.environ['OBSIDIAN_API_KEY'] = 'REDACTED_API_KEY'
+        os.environ['OBSIDIAN_HOST'] = 'http://obsidian.obsidian.svc.cluster.local:27123'
+
+    def test_connection(self):
+        """Test the connection to the Obsidian API."""
+        try:
+            protocol, host, port, path = obsidian.Obsidian.parse_host_config(os.environ['OBSIDIAN_HOST'])
+            
+            api = obsidian.Obsidian(
+                api_key=os.environ['OBSIDIAN_API_KEY'],
+                protocol=protocol,
+                host=host,
+                port=port,
+                path=path,
+                verify_ssl=False
+            )
+            
+            # Use a basic API call to verify the connection
+            files = api.list_files_in_vault()
+            
+            self.assertIsNotNone(files)
+            print("Successfully connected to Obsidian API and listed files.")
+            
+        except Exception as e:
+            self.fail(f"Failed to connect to Obsidian API: {e}")
+
+if __name__ == '__main__':
+    unittest.main()