Combined pydantic model with parameters and request body

This commit is contained in:
2025-02-13 16:38:18 +00:00
parent 8f3f5048a0
commit 98c1486f56
7 changed files with 134 additions and 163 deletions

View File

@@ -1,10 +1,11 @@
import logging
from typing import Any
from pydantic import BaseModel, ValidationError
from airflow_mcp_server.client.airflow_client import AirflowClient
from airflow_mcp_server.parser.operation_parser import OperationDetails
from airflow_mcp_server.tools.base_tools import BaseTools
from pydantic import BaseModel, ValidationError
logger = logging.getLogger(__name__)
@@ -48,108 +49,82 @@ class AirflowTool(BaseTools):
self.operation = operation_details
self.client = client
def _validate_parameters(
def _validate_input(
self,
path_params: dict[str, Any] | None = None,
query_params: dict[str, Any] | None = None,
body: dict[str, Any] | None = None,
) -> tuple[dict[str, Any] | None, dict[str, Any] | None, dict[str, Any] | None]:
"""Validate input parameters against operation schemas.
) -> dict[str, Any]:
"""Validate input parameters using unified input model.
Args:
path_params: URL path parameters
query_params: URL query parameters
body: Request body data
path_params: Path parameters
query_params: Query parameters
body: Body parameters
Returns:
Tuple of validated (path_params, query_params, body)
Raises:
ValidationError: If parameters fail validation
dict[str, Any]: Validated input parameters
"""
validated_params: dict[str, dict[str, Any] | None] = {
"path": None,
"query": None,
"body": None,
}
try:
# Validate path parameters
if path_params and "path" in self.operation.parameters:
path_schema = self.operation.parameters["path"]
for name, value in path_params.items():
if name in path_schema:
param_type = path_schema[name]["type"]
if not isinstance(value, param_type):
raise create_validation_error(
field=name,
message=f"Path parameter {name} must be of type {param_type.__name__}",
)
validated_params["path"] = path_params
input_data = {}
# Validate query parameters
if query_params and "query" in self.operation.parameters:
query_schema = self.operation.parameters["query"]
for name, value in query_params.items():
if name in query_schema:
param_type = query_schema[name]["type"]
if not isinstance(value, param_type):
raise create_validation_error(
field=name,
message=f"Query parameter {name} must be of type {param_type.__name__}",
)
validated_params["query"] = query_params
if path_params:
input_data.update({f"path_{k}": v for k, v in path_params.items()})
# Validate request body
if body and self.operation.request_body:
try:
model: type[BaseModel] = self.operation.request_body
validated_body = model(**body)
validated_params["body"] = validated_body.model_dump()
except ValidationError as e:
# Re-raise Pydantic validation errors directly
raise e
if query_params:
input_data.update({f"query_{k}": v for k, v in query_params.items()})
return (
validated_params["path"],
validated_params["query"],
validated_params["body"],
)
if body:
input_data.update({f"body_{k}": v for k, v in body.items()})
except Exception as e:
logger.error("Parameter validation failed: %s", e)
validated = self.operation.input_model(**input_data)
return validated.model_dump()
except ValidationError as e:
logger.error("Input validation failed: %s", e)
raise
def _extract_parameters(self, validated_input: dict[str, Any]) -> tuple[dict[str, Any], dict[str, Any], dict[str, Any]]:
"""Extract validated parameters by type."""
path_params = {}
query_params = {}
body = {}
# Extract parameters based on operation definition
for key, value in validated_input.items():
# Remove prefix from key if present
param_key = key
if key.startswith(("path_", "query_", "body_")):
param_key = key.split("_", 1)[1]
if key.startswith("path_"):
path_params[param_key] = value
elif key.startswith("query_"):
query_params[param_key] = value
elif key.startswith("body_"):
body[param_key] = value
else:
body[key] = value
return path_params, query_params, body
async def run(
self,
path_params: dict[str, Any] | None = None,
query_params: dict[str, Any] | None = None,
body: dict[str, Any] | None = None,
) -> Any:
"""Execute the operation with provided parameters.
Args:
path_params: URL path parameters
query_params: URL query parameters
body: Request body data
Returns:
API response data
Raises:
ValidationError: If parameters fail validation
RuntimeError: If client execution fails
"""
"""Execute the operation with provided parameters."""
try:
# Validate parameters
validated_path_params, validated_query_params, validated_body = self._validate_parameters(path_params, query_params, body)
validated_input = self._validate_input(path_params, query_params, body)
path_params, query_params, body = self._extract_parameters(validated_input)
# Execute operation
response = await self.client.execute(
operation_id=self.operation.operation_id,
path_params=validated_path_params,
query_params=validated_query_params,
body=validated_body,
path_params=path_params,
query_params=query_params,
body=body,
)
# Validate response if model exists