Enhance file reading with error handling

- Wrapped the file reading functionality inside a `_run` method.
- Added error handling to return a descriptive error message if an exception occurs during file reading.

src/crewai_tools/tools/file_read_tool/file_read_tool.py

@@ -2,32 +2,45 @@ from typing import Optional, Type, Any
 from pydantic.v1 import BaseModel, Field
 from ..base_tool import BaseTool
 
+
 class FixedFileReadToolSchema(BaseModel):
-	"""Input for FileReadTool."""
+    """Input for FileReadTool."""
-	pass
+    pass
+
 
 class FileReadToolSchema(FixedFileReadToolSchema):
-	"""Input for FileReadTool."""
+    """Input for FileReadTool."""
-	file_path: str = Field(..., description="Mandatory file full path to read the file")
+    file_path: str = Field(
+        ...,
+        description="Mandatory file full path to read the file"
+    )
+
 
 class FileReadTool(BaseTool):
-	name: str = "Read a file's content"
+    name: str = "Read a file's content"
-	description: str = "A tool that can be used to read a file's content."
+    description: str = "A tool that can be used to read a file's content."
-	args_schema: Type[BaseModel] = FileReadToolSchema
+    args_schema: Type[BaseModel] = FileReadToolSchema
-	file_path: Optional[str] = None
+    file_path: Optional[str] = None
 
-	def __init__(self, file_path: Optional[str] = None, **kwargs):
+    def __init__(
-		super().__init__(**kwargs)
+        self,
-		if file_path is not None:
+        file_path: Optional[str] = None,
-			self.file_path = file_path
+        **kwargs
-			self.description = f"A tool that can be used to read {file_path}'s content."
+    ):
-			self.args_schema = FixedFileReadToolSchema
+        super().__init__(**kwargs)
-			self._generate_description()
+        if file_path is not None:
+            self.file_path = file_path
+            self.description = f"A tool that can be used to read {file_path}'s content."
+            self.args_schema = FixedFileReadToolSchema
+            self._generate_description()
 
-	def _run(
+    def _run(
-		self,
+        self,
-		**kwargs: Any,
+        **kwargs: Any,
-	) -> Any:
+    ) -> Any:
-		file_path = kwargs.get('file_path', self.file_path)
+        try:
-		with open(file_path, 'r') as file:
+            file_path = kwargs.get('file_path', self.file_path)
-			return file.read()
+            with open(file_path, 'r') as file:
+                return file.read()
+        except Exception as e:
+            return f"Fail to read the file {file_path}. Error: {e}"